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Gene-environment “amplification” of liver stiffness requires more clinically meaningful analytic approaches 肝脏硬度的基因-环境“扩增”需要更多有临床意义的分析方法。
IF 7.5 1区 医学 Q1 GASTROENTEROLOGY & HEPATOLOGY Pub Date : 2026-03-01 Epub Date: 2025-11-26 DOI: 10.1016/j.jhepr.2025.101690
Yiran Zhang , Qing Xie , Zhujun Cao
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引用次数: 0
Mycobiome dysbiosis and genetic predisposition to elevated IL-17A contribute to fibrosis in MASLD 真菌群落失调和IL-17A升高的遗传易感性有助于MASLD的纤维化。
IF 7.5 1区 医学 Q1 GASTROENTEROLOGY & HEPATOLOGY Pub Date : 2026-03-01 Epub Date: 2025-12-23 DOI: 10.1016/j.jhepr.2025.101721
Nadja Thielemann , Sara Leal Siliceo , Monika Rau , Annika Schöninger , Nathalie Reus , Alexander M. Aldejohann , Aia Shehata , Isabell S. Behr , Natalie E. Nieuwenhuizen , Michaela Herz , Heike M. Hermanns , Mohammad Mirhakkak , Jürgen Löffler , Thomas Dandekar , Kerstin Hünniger-Ast , Ronny Martin , Gianni Panagiotou , Andreas Geier , Oliver Kurzai

Background & Aims

Metabolic dysfunction-associated steatotic liver disease (MASLD) is the leading cause of chronic liver disease in Western countries. Progression to metabolic dysfunction-associated steatohepatitis (MASH) occurs when fat accumulation in the liver triggers inflammatory processes including T helper 17 cell (Th17) activation. We aimed to investigate the role of intestinal fungi in MASH-mediating Th17-signaling.

Methods

Blood samples from patients with MASLD (n = 451), including 141 with histology-proven MASH, were genotyped for IL17A rs2275913. Microbiome composition was assessed by ITS1 and 16S rRNA sequencing of stool samples from patients with MASLD (n = 221), including 79 with histology-proven MASH, as well as 25 healthy controls. Highly abundant fungal species identified in patients with MASH were used to stimulate IL17A rs2275913–genotyped T cells ex vivo, and cytokine levels were measured (n = 9 per genotype). Th17/resting regulatory T cell (Th17/rTreg) ratios were analyzed in relation to IL17A rs2275913 genotype in patients with MASLD (n = 58), including 31 with histology-proven MASH, and 28 healthy controls.

Results

We identified the IL17A rs2275913 minor allele variant as a risk factor for fibrosis progression in patients with MASLD. In patients with advanced fibrosis, we also observed an increased abundance of fungal CTG species, including Candida albicans and Debaryomyces hansenii, which are potent triggers of Th17 responses. Integrating genetic predisposition with mycobiome composition, ex vivo T-cell stimulation assays demonstrated that donors carrying the IL17A rs2275913 minor allele secreted significantly higher levels of IL-17A in response to CTG species. Additionally, patients with MASH carrying the IL17A rs2275913 risk allele had elevated Th17/Treg ratios in peripheral blood.

Conclusions

Genetic predisposition to enhanced Th17 responses, in the context of mycobiome dysbiosis, may promote MASH progression and liver fibrosis.

Impact and implications

Liver inflammation and fibrosis are key drivers of the transition from bland steatosis to metabolic dysfunction-associated steatohepatitis (MASH). Our findings identify a combinatorial mechanism in which genetic predisposition to enhanced IL-17A signaling, together with gut mycobiome dysbiosis, promotes MASH development and fibrosis progression. This work highlights the importance of host–mycobiome interactions in shaping inflammatory liver disease and supports further investigation into targeted strategies aimed at modulating IL-17A–mediated immune responses in patients with MASLD. Such approaches may offer novel opportunities for risk stratification and therapeutic intervention.
背景与目的:代谢功能障碍相关的脂肪变性肝病(MASLD)是西方国家慢性肝病的主要原因。当肝脏中的脂肪积累引发包括辅助性T - 17细胞(Th17)激活在内的炎症过程时,就会发展为代谢功能障碍相关的脂肪性肝炎(MASH)。我们的目的是研究肠道真菌在mash介导的th17相关信号传导中的作用。方法:对451例MASLD患者(包括141例经组织学证实的MASH患者)的血液样本进行IL17A rs2275913基因分型。通过对MASLD患者粪便样本(n = 221)的ITS1和16S rRNA测序来评估微生物组组成,其中包括79例组织学证实的MASH患者,以及25例健康对照。利用在MASH患者中鉴定出的高度丰富的真菌物种体外刺激IL17A rs2275913基因型T细胞,并测量细胞因子水平(每个基因型n = 9)。我们分析了MASLD患者(n = 58)中Th17/静息调节性T细胞(Th17/rTreg)比率与IL17A rs2275913基因型的关系,其中31例为组织学证实的MASH患者,28例为健康对照。结果:我们发现IL17A rs2275913小等位基因变异是MASLD患者纤维化进展的一个危险因素。在晚期纤维化患者中,我们还观察到真菌CTG种类的丰度增加,包括白色念珠菌和汉斯氏debbaryomyces hansenii,它们是Th17反应的有效触发器。结合遗传易感性和真菌组组成,体外t细胞刺激试验表明,携带IL17A rs2275913小等位基因的供体在对CTG物种的反应中分泌了显著更高水平的IL-17A。此外,携带IL17A rs2275913风险等位基因的MASH患者外周血中Th17/Treg比率升高。结论:在真菌菌群失调的情况下,Th17反应增强的遗传易感性可能促进MASH进展和肝纤维化。影响和启示:肝脏炎症和纤维化是从温和脂肪变性到代谢功能障碍相关脂肪性肝炎(MASH)转变的关键驱动因素。我们的研究结果确定了一种组合机制,其中IL-17A信号增强的遗传易感性,以及肠道菌群失调,促进了MASH的发展和纤维化进展。这项工作强调了宿主-真菌组相互作用在炎症性肝病形成中的重要性,并支持进一步研究旨在调节MASLD患者il - 17a介导的免疫反应的靶向策略。这些方法可能为风险分层和治疗干预提供新的机会。
{"title":"Mycobiome dysbiosis and genetic predisposition to elevated IL-17A contribute to fibrosis in MASLD","authors":"Nadja Thielemann ,&nbsp;Sara Leal Siliceo ,&nbsp;Monika Rau ,&nbsp;Annika Schöninger ,&nbsp;Nathalie Reus ,&nbsp;Alexander M. Aldejohann ,&nbsp;Aia Shehata ,&nbsp;Isabell S. Behr ,&nbsp;Natalie E. Nieuwenhuizen ,&nbsp;Michaela Herz ,&nbsp;Heike M. Hermanns ,&nbsp;Mohammad Mirhakkak ,&nbsp;Jürgen Löffler ,&nbsp;Thomas Dandekar ,&nbsp;Kerstin Hünniger-Ast ,&nbsp;Ronny Martin ,&nbsp;Gianni Panagiotou ,&nbsp;Andreas Geier ,&nbsp;Oliver Kurzai","doi":"10.1016/j.jhepr.2025.101721","DOIUrl":"10.1016/j.jhepr.2025.101721","url":null,"abstract":"<div><h3>Background &amp; Aims</h3><div>Metabolic dysfunction-associated steatotic liver disease (MASLD) is the leading cause of chronic liver disease in Western countries. Progression to metabolic dysfunction-associated steatohepatitis (MASH) occurs when fat accumulation in the liver triggers inflammatory processes including T helper 17 cell (Th17) activation. We aimed to investigate the role of intestinal fungi in MASH-mediating Th17-signaling.</div></div><div><h3>Methods</h3><div>Blood samples from patients with MASLD (n = 451), including 141 with histology-proven MASH, were genotyped for <em>IL17A</em> rs2275913. Microbiome composition was assessed by ITS1 and 16S rRNA sequencing of stool samples from patients with MASLD (n = 221), including 79 with histology-proven MASH, as well as 25 healthy controls. Highly abundant fungal species identified in patients with MASH were used to stimulate <em>IL17A</em> rs2275913–genotyped T cells <em>ex vivo</em>, and cytokine levels were measured (n = 9 per genotype). Th17/resting regulatory T cell (Th17/rTreg) ratios were analyzed in relation to <em>IL17A</em> rs2275913 genotype in patients with MASLD (n = 58), including 31 with histology-proven MASH, and 28 healthy controls.</div></div><div><h3>Results</h3><div>We identified the <em>IL17A</em> rs2275913 minor allele variant as a risk factor for fibrosis progression in patients with MASLD. In patients with advanced fibrosis, we also observed an increased abundance of fungal CTG species, including <em>Candida albicans</em> and <em>Debaryomyces hansenii</em>, which are potent triggers of Th17 responses. Integrating genetic predisposition with mycobiome composition, <em>ex vivo</em> T-cell stimulation assays demonstrated that donors carrying the <em>IL17A</em> rs2275913 minor allele secreted significantly higher levels of IL-17A in response to CTG species. Additionally, patients with MASH carrying the <em>IL17A</em> rs2275913 risk allele had elevated Th17/Treg ratios in peripheral blood.</div></div><div><h3>Conclusions</h3><div>Genetic predisposition to enhanced Th17 responses, in the context of mycobiome dysbiosis, may promote MASH progression and liver fibrosis.</div></div><div><h3>Impact and implications</h3><div>Liver inflammation and fibrosis are key drivers of the transition from bland steatosis to metabolic dysfunction-associated steatohepatitis (MASH). Our findings identify a combinatorial mechanism in which genetic predisposition to enhanced IL-17A signaling, together with gut mycobiome dysbiosis, promotes MASH development and fibrosis progression. This work highlights the importance of host–mycobiome interactions in shaping inflammatory liver disease and supports further investigation into targeted strategies aimed at modulating IL-17A–mediated immune responses in patients with MASLD. Such approaches may offer novel opportunities for risk stratification and therapeutic intervention.</div></div>","PeriodicalId":14764,"journal":{"name":"JHEP Reports","volume":"8 3","pages":"Article 101721"},"PeriodicalIF":7.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146226819","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multidrug-resistant colonization in decompensated cirrhosis outside the ICU predicts infection and poor outcomes ICU外失代偿期肝硬化多药耐药定植可预测感染和不良预后。
IF 7.5 1区 医学 Q1 GASTROENTEROLOGY & HEPATOLOGY Pub Date : 2026-03-01 Epub Date: 2025-12-08 DOI: 10.1016/j.jhepr.2025.101707
María Hernández-Tejero , Marco Pavesi , Fátima Aziz , Nini Johana Bustos , Santiago Ortiz , Foix Vallès , Berta López-Sáez , Juan Manuel Díaz , Cristina Pitart , Ester López , Mary Torrance , Alex Soriano , Jordi Vila , José Antonio Martínez , Francesc Marco , Javier Fernández
<div><h3>Background & Aims</h3><div>Infections caused by multidrug- (MDROs) or extensively drug- (XDROs) resistant organisms are an increasing global concern in cirrhosis. While MDRO colonization is a recognized risk factor for infection in critical care settings, evidence in ward-based patients with decompensated cirrhosis is limited. This study aimed to determine the prevalence, dynamics, and clinical impact of MDRO colonization outside the intensive care unit (ICU) and to identify predictors of colonization and infection.</div></div><div><h3>Methods</h3><div>We conducted a single-center prospective study (2017–2020) enrolling 408 patients with decompensated cirrhosis consecutively admitted to the ward (n = 272) or ICU (n = 136). Rectal and nasal swabs were obtained at admission and weekly for up to 12 months. Colonization dynamics, resistance profiles, infection rates, and outcomes were analyzed in ward patients, with the ICU cohort serving as a comparator.</div></div><div><h3>Results</h3><div>Baseline rectal MDRO colonization was common in both the ward and ICU (23% <em>vs.</em> 17%; <em>p =</em> 0.38) and increased over time, reaching similar rates at 1 year (39% <em>vs.</em> 43%; <em>p =</em> 0.13). XDROs emerged during follow-up in both settings. In ward patients, baseline (52% <em>vs.</em> 19%; <em>p <</em>0.0001) or follow-up (55% <em>vs.</em> 11%; <em>p <</em>0.0001) colonization was associated with MDRO infection by the colonizing strain and with higher mortality (60% <em>vs.</em> 22%; <em>p <</em>0.0001). Baseline (hazard ratio [HR] 9.6; <em>p <</em>0.0001) and follow-up colonization (HR 4.4; <em>p <</em>0.0001) independently predicted infection, and colonization at either time point predicted mortality (HR 2.07; <em>p <</em>0.0001). Recent acute-on-chronic liver failure predicted colonization (HR 2.5; <em>p <</em>0.0001) and infection (HR 2.8; <em>p =</em> 0.0003).</div></div><div><h3>Conclusion</h3><div>MDRO colonization is frequent and clinically significant outside the ICU in patients with cirrhosis, predicting both infection and mortality. Extending targeted surveillance and antibiotic stewardship beyond critical care may help reduce infection-related morbidity and mortality.</div></div><div><h3>Impact and implications</h3><div>This study demonstrates that rectal colonization with multidrug-resistant organisms is both common and clinically significant in patients with decompensated cirrhosis outside the intensive care unit. These findings are highly relevant for hepatologists, infectious disease clinicians, and epidemiologists, as colonized ward patients faced a substantially increased risk of developing infections from their colonizing strain and experienced worse outcomes, particularly those with recent acute-on-chronic liver failure. Practically, incorporating colonization status into empirical antibiotic decision-making and evaluating targeted multidrug-resistant organism surveillance strategies beyon
背景与目的:多药耐药(MDROs)或广泛耐药(XDROs)耐药菌引起的感染在肝硬化中日益受到全球关注。虽然MDRO定植是重症监护环境中公认的感染危险因素,但在失代偿性肝硬化病房患者中的证据有限。本研究旨在确定重症监护病房(ICU)外MDRO定植的患病率、动态和临床影响,并确定定植和感染的预测因素。方法:我们进行了一项单中心前瞻性研究(2017-2020),纳入408例连续入住病房(n = 272)或ICU (n = 136)的失代偿性肝硬化患者。入院时取直肠和鼻腔拭子,每周取一次,持续12个月。以ICU队列作为比较,分析了病房患者的定植动态、耐药性、感染率和结果。结果:基线直肠MDRO定植在病房和ICU中都很常见(23%对17%,p = 0.38),并且随着时间的推移而增加,在1年后达到相似的比率(39%对43%,p = 0.13)。在这两种情况下的随访期间都出现了xro。在病房患者中,基线定殖(52% vs. 19%; p 0.0001)或随访定殖(55% vs. 11%; p 0.0001)与定殖菌株的MDRO感染和更高的死亡率相关(60% vs. 22%; p 0.0001)。基线(危险比[HR] 9.6; p 0.0001)和随访定殖(HR 4.4; p 0.0001)独立预测感染,两个时间点的定殖预测死亡率(HR 2.07; p 0.0001)。近期急性/慢性肝衰竭可预测定植(HR 2.5; p = 0.0001)和感染(HR 2.8; p = 0.0003)。结论:肝硬化患者在ICU外MDRO定植频繁且具有临床意义,可预测感染和死亡率。将目标监测和抗生素管理扩展到重症监护之外可能有助于降低感染相关的发病率和死亡率。影响和意义:本研究表明,在重症监护病房外失代偿期肝硬化患者中,直肠定植多药耐药菌既常见又具有临床意义。这些发现与肝病学家、传染病临床医生和流行病学家高度相关,因为定植的病房患者面临着由其定植菌株引起感染的显著增加的风险,并且经历了更糟糕的结果,特别是那些最近发生急性慢性肝衰竭的患者。实际上,将定植状态纳入经验性抗生素决策和评估重症监护病房以外的靶向多药耐药生物监测策略可以加强早期管理并改善风险分层。虽然需要进一步的工作来评估可行性和成本效益,但我们的研究结果为肝硬化常规护理中监测驱动方法的发展提供了强有力的证据基础。
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引用次数: 0
Fibrosis activity vs. disease stage: Complementary and independent predictors of outcomes in alcohol-related liver disease 纤维化活动与疾病分期:酒精相关性肝病结局的补充和独立预测因素
IF 7.5 1区 医学 Q1 GASTROENTEROLOGY & HEPATOLOGY Pub Date : 2026-03-01 Epub Date: 2026-01-22 DOI: 10.1016/j.jhepr.2026.101746
Stine Johansen , Mads Israelsen , Katrine Holtz Thorhauge , Johanne Kragh Hansen , Camilla Dalby Hansen , Helle Lindholm Schnefeld , Peter Andersen , Ida Villesen , Katrine Tholstrup Bech , Sönke Detlefsen , Nikolaj Torp , Diana Leeming , Maja Thiele , Aleksander Krag , Morten Karsdal , GALAXY consortia

Background & Aims

Excessive alcohol consumption accelerates fibrosis progression in steatotic liver disease. Disease activity can be described by fibrogenic activity, of which collagen formation is a central process. Type III collagen formation (PRO-C3) is a biomarker of fibrosis activity. We aimed to evaluate whether PRO-C3 predicts clinical outcomes in alcohol-related liver disease (ALD) independent of fibrosis stage.

Methods

We conducted a prospective cohort study including patients with prior or current excessive alcohol intake (men: ≥36 g/day; women: ≥24 g/day for >1 year) and no prior decompensation. At baseline, liver biopsies, clinical investigations, and non-invasive blood tests were performed. During follow-up, patients’ electronic healthcare records were manually reviewed for decompensation events and all-cause mortality. Decompensation was defined according to Baveno VII recommendations.

Results

We followed 458 patients with ALD (76% male; mean age 57 ± 10 years) for a median of 5.9 years (IQR 4.5–7.8). At baseline, fibrosis stages were F0–1 (n = 260), F2 (n = 107), and F3-4 (n = 91). During follow-up, 67 patients experienced decompensation and 100 died. PRO-C3 provided prognostic value beyond fibrosis stage as a predictor of decompensation, both in patients with no to moderate fibrosis (F0-2; subhazard ratio per unit increase in PRO-C3 1.05; 95% CI 1.03–1.07; p <0.001) and in patients with cirrhosis (F4; subhazard ratio 1.01; 95% CI 1.00–1.03; p = 0.048).

Conclusions

In ALD, prognosis is determined by both baseline fibrosis stage and markers of fibrosis activity. PRO-C3, a biomarker of fibrosis activity, was more strongly associated with the risk of decompensation than Kleiner fibrosis stage and predicted decompensation across fibrosis stages.

Impact and implications

This study shows that fibrosis activity measured by PRO-C3 captures dynamic disease processes in alcohol-related liver disease that are not fully reflected by histological fibrosis stage. These findings are important for clinicians and patients because PRO-C3 independently predicts decompensation and supports stratifying risk by fibrosis activity in addition to stage. Practically, incorporating fibrosis-activity biomarkers could guide earlier monitoring and interventions aimed at modulating fibrogenic activity.
背景与目的:过度饮酒加速脂肪变性肝病纤维化进展。疾病活动性可以用纤维原活性来描述,其中胶原形成是中心过程。III型胶原形成(PRO-C3)是纤维化活性的生物标志物。我们的目的是评估PRO-C3是否能独立于纤维化分期预测酒精相关性肝病(ALD)的临床结果。方法:我们进行了一项前瞻性队列研究,纳入了既往或目前过量饮酒的患者(男性:≥36 g/天;女性:≥24 g/天,持续10 ~ 10年),既往无代偿。基线时,进行肝活检、临床检查和非侵入性血液检查。在随访期间,人工检查患者的电子医疗记录,以查找失代偿事件和全因死亡率。失代偿是根据《巴韦诺VII》的建议定义的。结果:我们随访了458例ALD患者(76%为男性,平均年龄57±10岁),中位随访5.9年(IQR 4.5-7.8)。在基线时,纤维化分期为F0-1 (n = 260)、F2 (n = 107)和F3-4 (n = 91)。随访期间,67例患者出现代偿失代偿,100例死亡。在无纤维化至中度纤维化的患者中,PRO-C3作为失代偿的预测因子提供了纤维化期后的预后价值(F0-2; PRO-C3每单位增加的亚危险比1.05;95% CI 1.03-1.07; p = 0.048)。结论:ALD的预后是由基线纤维化分期和纤维化活动标志物决定的。PRO-C3是一种纤维化活性的生物标志物,与Kleiner纤维化阶段相比,它与失代偿风险的相关性更强,并预测了各个纤维化阶段的失代偿。影响和意义:本研究表明,PRO-C3测量的纤维化活性捕获了酒精相关肝病的动态疾病过程,而组织学纤维化阶段不能完全反映这一过程。这些发现对临床医生和患者都很重要,因为PRO-C3独立地预测失代偿,并通过纤维化活动和分期来支持风险分层。实际上,结合纤维化活性生物标志物可以指导旨在调节纤维化活性的早期监测和干预。
{"title":"Fibrosis activity vs. disease stage: Complementary and independent predictors of outcomes in alcohol-related liver disease","authors":"Stine Johansen ,&nbsp;Mads Israelsen ,&nbsp;Katrine Holtz Thorhauge ,&nbsp;Johanne Kragh Hansen ,&nbsp;Camilla Dalby Hansen ,&nbsp;Helle Lindholm Schnefeld ,&nbsp;Peter Andersen ,&nbsp;Ida Villesen ,&nbsp;Katrine Tholstrup Bech ,&nbsp;Sönke Detlefsen ,&nbsp;Nikolaj Torp ,&nbsp;Diana Leeming ,&nbsp;Maja Thiele ,&nbsp;Aleksander Krag ,&nbsp;Morten Karsdal ,&nbsp;GALAXY consortia","doi":"10.1016/j.jhepr.2026.101746","DOIUrl":"10.1016/j.jhepr.2026.101746","url":null,"abstract":"<div><h3>Background &amp; Aims</h3><div>Excessive alcohol consumption accelerates fibrosis progression in steatotic liver disease. Disease activity can be described by fibrogenic activity, of which collagen formation is a central process. Type III collagen formation (PRO-C3) is a biomarker of fibrosis activity. We aimed to evaluate whether PRO-C3 predicts clinical outcomes in alcohol-related liver disease (ALD) independent of fibrosis stage.</div></div><div><h3>Methods</h3><div>We conducted a prospective cohort study including patients with prior or current excessive alcohol intake (men: ≥36 g/day; women: ≥24 g/day for &gt;1 year) and no prior decompensation. At baseline, liver biopsies, clinical investigations, and non-invasive blood tests were performed. During follow-up, patients’ electronic healthcare records were manually reviewed for decompensation events and all-cause mortality. Decompensation was defined according to Baveno VII recommendations.</div></div><div><h3>Results</h3><div>We followed 458 patients with ALD (76% male; mean age 57 ± 10 years) for a median of 5.9 years (IQR 4.5–7.8). At baseline, fibrosis stages were F0–1 (n = 260), F2 (n = 107), and F3-4 (n = 91). During follow-up, 67 patients experienced decompensation and 100 died. PRO-C3 provided prognostic value beyond fibrosis stage as a predictor of decompensation, both in patients with no to moderate fibrosis (F0-2; subhazard ratio per unit increase in PRO-C3 1.05; 95% CI 1.03–1.07; <em>p</em> &lt;0.001) and in patients with cirrhosis (F4; subhazard ratio 1.01; 95% CI 1.00–1.03; <em>p</em> = 0.048).</div></div><div><h3>Conclusions</h3><div>In ALD, prognosis is determined by both baseline fibrosis stage and markers of fibrosis activity. PRO-C3, a biomarker of fibrosis activity, was more strongly associated with the risk of decompensation than Kleiner fibrosis stage and predicted decompensation across fibrosis stages.</div></div><div><h3>Impact and implications</h3><div>This study shows that fibrosis activity measured by PRO-C3 captures dynamic disease processes in alcohol-related liver disease that are not fully reflected by histological fibrosis stage. These findings are important for clinicians and patients because PRO-C3 independently predicts decompensation and supports stratifying risk by fibrosis activity in addition to stage. Practically, incorporating fibrosis-activity biomarkers could guide earlier monitoring and interventions aimed at modulating fibrogenic activity.</div></div>","PeriodicalId":14764,"journal":{"name":"JHEP Reports","volume":"8 3","pages":"Article 101746"},"PeriodicalIF":7.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147283620","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Factors associated with protection from MASLD in type 2 diabetes: A prospective study integrating longitudinal MRI/MRE and stable isotope tracing 2型糖尿病患者MASLD保护相关因素:一项整合纵向MRI/MRE和稳定同位素示踪的前瞻性研究
IF 7.5 1区 医学 Q1 GASTROENTEROLOGY & HEPATOLOGY Pub Date : 2026-03-01 Epub Date: 2026-01-08 DOI: 10.1016/j.jhepr.2026.101733
Federica Tavaglione , Veeral Ajmera , Luis Antonio Díaz , Kelvin Li , Egbert Madamba , Ricki Bettencourt , Lisa Richards , Marc Hellerstein , Rohit Loomba

Background & Aims

Type 2 diabetes is one of the strongest risk factors for the development and progression of metabolic dysfunction-associated steatotic liver disease (MASLD). In this study, we aimed to identify factors associated with protection from MASLD in a prospective cohort of individuals with type 2 diabetes.

Methods

This prospective study included 148 individuals with type 2 diabetes who underwent advanced liver phenotyping using MRI and MRE techniques at baseline and 2-year follow-up. Protection from MASLD was defined as the absence of hepatic steatosis (MRI-proton density fat fraction <5%) and significant fibrosis (MRE <3 kPa) at both time points. Factors associated with protection from MASLD were assessed using Firth’s penalized logistic regression. Regularized logistic regression models were fitted as complementary analyses.

Results

The mean (SD) age and BMI were 65 (8) years and 30.4 (4.3) kg/m2, respectively. After a median follow-up of 2 (1.5–2.4) years, 27 (18%) individuals demonstrated an absence of MASLD. Across all modeling approaches, lower BMI (odds ratio [OR] 0.81, 95% CI 0.64–0.98; p = 0.029), lower HOMA-IR (OR 0.59, 95% CI 0.39–0.83; p = 8.6e-4), and lower circulating triglycerides (OR 0.986, 95% CI 0.973–0.997; p = 0.011) emerged as the strongest predictors of protection from MASLD. An exploratory analysis of 11 individuals with type 2 diabetes from an independent cohort, with hepatic de novo lipogenesis quantified by stable isotope tracing, revealed lower hepatic de novo lipogenesis in those free from MASLD.

Conclusions

Managing modifiable risk factors, such as body weight and lipid profile, may be critical for preventing MASLD development in individuals with type 2 diabetes.

Impact and implications

Understanding factors conferring protection from metabolic dysfunction-associated steatotic liver disease (MASLD) in individuals with type 2 diabetes represents a novel research avenue which has not been systematically explored. In this prospective cohort of 148 individuals with type 2 diabetes undergoing advanced liver phenotyping at baseline and 2-year follow-up, we identified lower BMI, lower HOMA-IR, and lower circulating triglycerides as the strongest predictors of remaining free of MASLD. Additionally, by performing an exploratory analysis in an independent cohort of 11 individuals with type 2 diabetes with tracer data, we found that lower hepatic de novo lipogenesis may underlie this protective phenotype. These findings suggest that managing modifiable risk factors, such as body weight and lipid profile, may be critical for preventing MASLD development and progression in individuals with type 2 diabetes.
背景与目的:2型糖尿病是代谢功能障碍相关脂肪变性肝病(MASLD)发生和发展的最强危险因素之一。在这项研究中,我们的目的是在一组前瞻性2型糖尿病患者中确定与MASLD保护相关的因素。方法:这项前瞻性研究包括148名2型糖尿病患者,他们在基线和2年随访期间使用MRI和MRE技术进行了晚期肝脏表型分析。对MASLD的保护被定义为没有肝脂肪变性(mri质子密度脂肪分数)。结果:平均(SD)年龄为65(8)岁,BMI为30.4 (4.3)kg/m2。中位随访2年(1.5-2.4年)后,27例(18%)患者无MASLD。在所有建模方法中,较低的BMI(比值比[OR] 0.81, 95% CI 0.64-0.98; p = 0.029)、较低的HOMA-IR(比值比[OR] 0.59, 95% CI 0.39-0.83; p = 8.6e-4)和较低的循环甘油三酯(比值比[OR] 0.986, 95% CI 0.973-0.997; p = 0.011)成为MASLD保护的最强预测因子。一项对来自独立队列的11名2型糖尿病患者的探索性分析,通过稳定同位素示踪量化了肝脏新生脂肪生成,发现无MASLD患者的肝脏新生脂肪生成较低。结论:控制可改变的危险因素,如体重和血脂,可能是预防2型糖尿病患者发生MASLD的关键。影响和意义:了解2型糖尿病患者代谢功能障碍相关脂肪变性肝病(MASLD)的保护因素是一个尚未系统探索的新研究途径。在这项前瞻性队列研究中,148名2型糖尿病患者在基线和2年随访时进行了晚期肝脏表型分析,我们发现较低的BMI、较低的HOMA-IR和较低的循环甘油三酯是保持无MASLD的最强预测因子。此外,通过对11名2型糖尿病患者的独立队列进行探索性分析,我们发现肝脏新生脂肪生成较低可能是这种保护性表型的基础。这些发现表明,控制可改变的风险因素,如体重和血脂,可能是预防2型糖尿病患者MASLD发生和进展的关键。
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引用次数: 0
Carvedilol decreases hepatic vascular resistance by reducing fibrogenesis and reversing endothelial dysfunction in cirrhotic rats 卡维地洛通过减少肝硬化大鼠的纤维化和逆转内皮功能障碍来降低肝血管阻力
IF 7.5 1区 医学 Q1 GASTROENTEROLOGY & HEPATOLOGY Pub Date : 2026-03-01 Epub Date: 2025-11-20 DOI: 10.1016/j.jhepr.2025.101681
Yeldos Nulan , Eric Felli , Sonia-Emilia Selicean , Manuel Prampolini , Annalisa Berzigotti , Jordi Gracia-Sancho , Jaume Bosch
<div><h3>Background & Aims</h3><div>Cirrhosis increases hepatic vascular resistance (IHVR) by disrupting liver architecture due to fibrosis, and by elevating hepatic vascular tone due to hepatic endothelial dysfunction. IHVR increases portal pressure (PP), later aggravated by increased portal blood inflow. Carvedilol, a third-generation non-selective β-blocker with anti-α1-adrenergic activity, reduces PP more than propranolol, likely decreasing IHVR. However, its intrahepatic effects remain largely unexplored. This study aimed to address these issues.</div></div><div><h3>Methods</h3><div>Human cell lines (LX2 and HUVECs) and primary liver sinusoidal endothelial cells (LSECs) and hepatic stellate cells (HSCs) isolated from cirrhotic rats (12-week thioacetamide [TAA] model) were treated with vehicle, carvedilol (10 μM), or propranolol (10 μM). Nitric oxide release, oxidative stress, and cell contraction were assessed. Cirrhotic rats were treated with vehicle, carvedilol (10 mg/kg/day for 2 weeks), or propranolol (30 mg/kg/day for 2 weeks) at early and advanced stages of cirrhosis (9 and 12 weeks of TAA). Hepatic hemodynamics, liver fibrosis, antioxidant activity, and inflammatory biomarkers were evaluated.</div></div><div><h3>Results</h3><div>Carvedilol increased nitric oxide release in LSECs and HUVECs and significantly reduced contraction of HSCs and LX2 cells in cirrhotic conditions. <em>In vivo</em>, carvedilol significantly reduced PP in both early and advanced cirrhosis (12-week TAA: −22%, <em>p =</em> 0.0008; 9-week TAA: −17%, <em>p =</em> 0.0038), decreased liver fibrosis area (−26.8%, <em>p =</em> 0.0013 <em>vs.</em> −23.1%, <em>p =</em> 0.0047), and reduced α-SMA expression (−22.7%, <em>p =</em> 0.0018 <em>vs.</em> −17.4%, <em>p =</em> 0.0455). Additionally, carvedilol improved endothelial dysfunction and reduced oxidative stress and inflammation. Propranolol did not exert these beneficial effects and produced a smaller, non-significant reduction in PP (−7%, <em>p =</em> 0.4029).</div></div><div><h3>Conclusions</h3><div>The greater reduction in PP achieved with carvedilol is mediated not only by its non-selective β-blocker effects but, more importantly, by its ability to reverse hepatic endothelial dysfunction, reduce fibrosis, enhance antioxidant activity, and exert moderate anti-inflammatory effects. These findings support extending the use of carvedilol even to patients without overt signs of portal hypertension.</div></div><div><h3>Impact and implications</h3><div>Carvedilol is considered the best β-blocker for treating portal hypertension. In this study we show that carvedilol, unlike traditional β-blockers such as propranolol, downregulates the factors that lead to increased portal pressure in cirrhosis: it lowers the hepatic vascular tone by counteracting hepatic sinusoidal endothelial dysfunction, and decreases liver fibrosis by deactivating hepatic stellate cells and inhibiting their proliferation. On top of decreasing portal
肝硬化通过肝纤维化破坏肝脏结构,以及肝内皮功能障碍导致肝血管张力升高,从而增加肝血管阻力(IHVR)。IHVR增加门静脉压力(PP),随后因门静脉血流增加而加重。卡维地洛是第三代非选择性β受体阻滞剂,具有抗α1-肾上腺素能活性,比心得安更能降低PP,可能降低IHVR。然而,其肝内作用仍未得到充分研究。本研究旨在解决这些问题。方法将肝硬化大鼠(12周硫乙酰胺[TAA]模型)中分离的人LX2和HUVECs细胞系、原代肝窦内皮细胞(LSECs)和肝星状细胞(hsc)分别用载药、卡维地洛(10 μM)或普萘洛尔(10 μM)处理。评估一氧化氮释放、氧化应激和细胞收缩。肝硬化大鼠在肝硬化早期和晚期(TAA治疗9周和12周)分别接受载药、卡维地洛(10 mg/kg/天,持续2周)或心得安(30 mg/kg/天,持续2周)治疗。评估肝脏血流动力学、肝纤维化、抗氧化活性和炎症生物标志物。结果scarvedirol增加了LSECs和HUVECs中一氧化氮的释放,并显著减少了肝硬化条件下hsc和LX2细胞的收缩。在体内,卡维地洛显著降低早期和晚期肝硬化患者的PP(12周TAA: - 22%, p = 0.0008; 9周TAA: - 17%, p = 0.0038),减少肝纤维化面积(- 26.8%,p = 0.0013 vs. - 23.1%, p = 0.0047),降低α-SMA表达(- 22.7%,p = 0.0018 vs. - 17.4%, p = 0.0455)。此外,卡维地洛改善内皮功能障碍,减少氧化应激和炎症。心得安没有发挥这些有益作用,并产生较小的、不显著的PP降低(- 7%,p = 0.4029)。结论卡维地洛对PP的显著降低不仅是通过其非选择性β阻断作用,更重要的是通过其逆转肝内皮功能障碍、减少纤维化、增强抗氧化活性和适度抗炎作用。这些发现支持扩展卡维地洛的使用,甚至对没有门静脉高压明显迹象的患者。影响和意义scarvedilol被认为是治疗门静脉高压症的最佳β受体阻滞剂。在这项研究中,我们发现卡维地洛与传统的β受体阻滞剂如心得安不同,卡维地洛下调了导致肝硬化门静脉压力增加的因素:它通过抵消肝窦内皮功能障碍来降低肝血管张力,并通过使肝星状细胞失活并抑制其增殖来减少肝纤维化。通过其非选择性β阻滞剂作用减少门静脉流入。此外,通过其抗氧化和抗炎活性,它可能有助于改善肝功能。这些作用在早期和晚期肝硬化中都可以注意到,这表明当与病因学治疗相结合时,它可以有效地减缓/逆转疾病进展。
{"title":"Carvedilol decreases hepatic vascular resistance by reducing fibrogenesis and reversing endothelial dysfunction in cirrhotic rats","authors":"Yeldos Nulan ,&nbsp;Eric Felli ,&nbsp;Sonia-Emilia Selicean ,&nbsp;Manuel Prampolini ,&nbsp;Annalisa Berzigotti ,&nbsp;Jordi Gracia-Sancho ,&nbsp;Jaume Bosch","doi":"10.1016/j.jhepr.2025.101681","DOIUrl":"10.1016/j.jhepr.2025.101681","url":null,"abstract":"&lt;div&gt;&lt;h3&gt;Background &amp; Aims&lt;/h3&gt;&lt;div&gt;Cirrhosis increases hepatic vascular resistance (IHVR) by disrupting liver architecture due to fibrosis, and by elevating hepatic vascular tone due to hepatic endothelial dysfunction. IHVR increases portal pressure (PP), later aggravated by increased portal blood inflow. Carvedilol, a third-generation non-selective β-blocker with anti-α1-adrenergic activity, reduces PP more than propranolol, likely decreasing IHVR. However, its intrahepatic effects remain largely unexplored. This study aimed to address these issues.&lt;/div&gt;&lt;/div&gt;&lt;div&gt;&lt;h3&gt;Methods&lt;/h3&gt;&lt;div&gt;Human cell lines (LX2 and HUVECs) and primary liver sinusoidal endothelial cells (LSECs) and hepatic stellate cells (HSCs) isolated from cirrhotic rats (12-week thioacetamide [TAA] model) were treated with vehicle, carvedilol (10 μM), or propranolol (10 μM). Nitric oxide release, oxidative stress, and cell contraction were assessed. Cirrhotic rats were treated with vehicle, carvedilol (10 mg/kg/day for 2 weeks), or propranolol (30 mg/kg/day for 2 weeks) at early and advanced stages of cirrhosis (9 and 12 weeks of TAA). Hepatic hemodynamics, liver fibrosis, antioxidant activity, and inflammatory biomarkers were evaluated.&lt;/div&gt;&lt;/div&gt;&lt;div&gt;&lt;h3&gt;Results&lt;/h3&gt;&lt;div&gt;Carvedilol increased nitric oxide release in LSECs and HUVECs and significantly reduced contraction of HSCs and LX2 cells in cirrhotic conditions. &lt;em&gt;In vivo&lt;/em&gt;, carvedilol significantly reduced PP in both early and advanced cirrhosis (12-week TAA: −22%, &lt;em&gt;p =&lt;/em&gt; 0.0008; 9-week TAA: −17%, &lt;em&gt;p =&lt;/em&gt; 0.0038), decreased liver fibrosis area (−26.8%, &lt;em&gt;p =&lt;/em&gt; 0.0013 &lt;em&gt;vs.&lt;/em&gt; −23.1%, &lt;em&gt;p =&lt;/em&gt; 0.0047), and reduced α-SMA expression (−22.7%, &lt;em&gt;p =&lt;/em&gt; 0.0018 &lt;em&gt;vs.&lt;/em&gt; −17.4%, &lt;em&gt;p =&lt;/em&gt; 0.0455). Additionally, carvedilol improved endothelial dysfunction and reduced oxidative stress and inflammation. Propranolol did not exert these beneficial effects and produced a smaller, non-significant reduction in PP (−7%, &lt;em&gt;p =&lt;/em&gt; 0.4029).&lt;/div&gt;&lt;/div&gt;&lt;div&gt;&lt;h3&gt;Conclusions&lt;/h3&gt;&lt;div&gt;The greater reduction in PP achieved with carvedilol is mediated not only by its non-selective β-blocker effects but, more importantly, by its ability to reverse hepatic endothelial dysfunction, reduce fibrosis, enhance antioxidant activity, and exert moderate anti-inflammatory effects. These findings support extending the use of carvedilol even to patients without overt signs of portal hypertension.&lt;/div&gt;&lt;/div&gt;&lt;div&gt;&lt;h3&gt;Impact and implications&lt;/h3&gt;&lt;div&gt;Carvedilol is considered the best β-blocker for treating portal hypertension. In this study we show that carvedilol, unlike traditional β-blockers such as propranolol, downregulates the factors that lead to increased portal pressure in cirrhosis: it lowers the hepatic vascular tone by counteracting hepatic sinusoidal endothelial dysfunction, and decreases liver fibrosis by deactivating hepatic stellate cells and inhibiting their proliferation. On top of decreasing portal","PeriodicalId":14764,"journal":{"name":"JHEP Reports","volume":"8 3","pages":"Article 101681"},"PeriodicalIF":7.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146077000","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reproducible safety and efficacy of durvalumab with or without tremelimumab for hepatocellular carcinoma in clinical practice: Results of the DT-real study 临床实践中durvalumab联合或不联合tremelimumab治疗肝细胞癌的可重复安全性和有效性:DT-real研究的结果
IF 7.5 1区 医学 Q1 GASTROENTEROLOGY & HEPATOLOGY Pub Date : 2026-03-01 Epub Date: 2025-11-20 DOI: 10.1016/j.jhepr.2025.101685
Ciro Celsa , Tiziana Pressiani , Naoshi Nishida , Shadi Mohamad Chamseddine , Ashwini Arvind , Michael Li , Marta Fortuny , Najib Ben Khaled , Massimo Iavarone , Hidenori Toyoda , Ilario Giovanni Rapposelli , Andrea Casadei-Gardini , Caterina Vivaldi , Susanna Ulahannan , Haripriya Andanamala , Bernhard Scheiner , Matthias Pinter , Elena Orlandi , Claudia A.M. Fulgenzi , Giulia F. Manfredi , David James Pinato
<div><h3>Background & Aims</h3><div>Durvalumab plus tremelimumab (STRIDE) has emerged as a first-line systemic treatment option for unresectable hepatocellular carcinoma (HCC). This international multicentre study aimed to evaluate the efficacy and tolerability of STRIDE or durvalumab monotherapy in routine clinical practice, comparing outcomes between patients within and outside key eligibility criteria for the HIMALAYA trial.</div></div><div><h3>Methods</h3><div>From a database of 1,423 patients with advanced/unresectable HCC treated with immunotherapy across 35 centres, we analysed 233 patients receiving STRIDE or durvalumab monotherapy. Patients were categorized as HIMALAYA-IN or HIMALAYA-OUT based on key trial eligibility criteria (no prior systemic therapy, ECOG-PS 0–1, Child-Pugh class A, no Vp4 thrombosis). Baseline characteristics were assessed for overall survival (OS) and hepatic decompensation using a multivariable Cox model and competing-risk analysis, respectively. Objective response rates and treatment-related adverse events were recorded.</div></div><div><h3>Results</h3><div>Of the 233 patients, 123 (53%) were HIMALAYA-IN and 110 (47%) were HIMALAYA-OUT. STRIDE was given in 95% of HIMALAYA-IN patients. After median follow-up of 6.0 months, median OS was 20.4 months (95% CI 11.7-NR) in the overall population. HIMALAYA-IN patients achieved significantly longer OS than HIMALAYA-OUT patients (23.0 <em>vs.</em> 12.2 months; hazard ratio 0.61; 95% CI 0.39-0.96; <em>p</em> = 0.03). Macrovascular invasion and hepatic decompensation were independent negative prognostic factors in the whole cohort. Hepatic decompensation occurred in 10.5% of patients within 12 months from treatment start. Objective response rate was 23.7% and 17.8% of HIMALAYA-IN and -OUT patients, respectively. Patients achieving disease control (whole cohort: 59.4%) demonstrated 24-month OS of 58.2% in HIMALAYA-IN and 44.8% in HIMALAYA-OUT groups. Grade 3-4 treatment-related adverse events occurred in 16.3% of patients.</div></div><div><h3>Conclusions</h3><div>STRIDE shows reproducible effectiveness and an acceptable safety profile in real-world practice. Achieving disease control and maintaining liver function emerged as key determinants of long-term survival benefit.</div></div><div><h3>Impact and implications</h3><div>The DT-real study validates the efficacy and safety of STRIDE (durvalumab plus tremelimumab) in routine clinical practice, with HIMALAYA trial-eligible patients achieving 23-month median survival, and showing a safety profile comparable to that observed in the pivotal trial. Nearly half of real-world patients received treatment despite not meeting original trial criteria, reflecting urgent clinical need in this population with limited therapeutic options. As for other immunotherapy-based combinations, hepatic decompensation is a critical determinant of survival. Patients achieving disease control demonstrated substantially improved 24-month overall su
背景与目的:Durvalumab + tremelimumab (STRIDE)已成为不可切除肝细胞癌(HCC)的一线全身治疗选择。这项国际多中心研究旨在评估STRIDE或durvalumab单药治疗在常规临床实践中的疗效和耐受性,比较符合和不符合喜马拉雅试验关键资格标准的患者的结果。方法:来自35个中心的1423例接受免疫治疗的晚期/不可切除HCC患者的数据库中,我们分析了233例接受STRIDE或durvalumab单药治疗的患者。根据关键的试验资格标准(无既往全身治疗、ECOG-PS 0-1、Child-Pugh A级、无Vp4血栓形成),将患者分为喜马拉雅- in或喜马拉雅- out。分别使用多变量Cox模型和竞争风险分析评估总生存期(OS)和肝失代偿的基线特征。记录客观有效率和治疗相关不良事件。结果:233例患者中,123例(53%)为喜马拉雅- in, 110例(47%)为喜马拉雅- out。95%的喜马拉雅- in患者给予STRIDE。中位随访6.0个月后,总体中位OS为20.4个月(95% CI 11.7-NR)。喜马拉雅- in患者的生存期明显长于喜马拉雅- out患者(23.0个月vs 12.2个月;风险比0.61;95% CI 0.39-0.96; p = 0.03)。在整个队列中,大血管侵犯和肝脏失代偿是独立的不良预后因素。10.5%的患者在治疗开始后12个月内出现肝功能失代偿。客观缓解率分别为23.7%和17.8%的喜马拉雅- in和out患者。获得疾病控制的患者(整个队列:59.4%)在喜马拉雅- in组和喜马拉雅- out组的24个月生存率分别为58.2%和44.8%。16.3%的患者发生3-4级治疗相关不良事件。结论:STRIDE在实际应用中显示出可重复的有效性和可接受的安全性。实现疾病控制和维持肝功能成为长期生存获益的关键决定因素。影响和意义:DT-real研究在常规临床实践中验证了STRIDE (durvalumab + tremelimumab)的有效性和安全性,符合HIMALAYA试验条件的患者达到了23个月的中位生存期,并且显示出与关键试验中观察到的安全性相当。尽管不符合最初的试验标准,但近一半的现实世界患者接受了治疗,这反映了在治疗选择有限的人群中迫切的临床需求。至于其他基于免疫疗法的联合治疗,肝失代偿是生存的关键决定因素。与进展性疾病患者相比,获得疾病控制的患者24个月总生存率显著提高,证实了喜马拉雅试验探索性分析的结果。
{"title":"Reproducible safety and efficacy of durvalumab with or without tremelimumab for hepatocellular carcinoma in clinical practice: Results of the DT-real study","authors":"Ciro Celsa ,&nbsp;Tiziana Pressiani ,&nbsp;Naoshi Nishida ,&nbsp;Shadi Mohamad Chamseddine ,&nbsp;Ashwini Arvind ,&nbsp;Michael Li ,&nbsp;Marta Fortuny ,&nbsp;Najib Ben Khaled ,&nbsp;Massimo Iavarone ,&nbsp;Hidenori Toyoda ,&nbsp;Ilario Giovanni Rapposelli ,&nbsp;Andrea Casadei-Gardini ,&nbsp;Caterina Vivaldi ,&nbsp;Susanna Ulahannan ,&nbsp;Haripriya Andanamala ,&nbsp;Bernhard Scheiner ,&nbsp;Matthias Pinter ,&nbsp;Elena Orlandi ,&nbsp;Claudia A.M. Fulgenzi ,&nbsp;Giulia F. Manfredi ,&nbsp;David James Pinato","doi":"10.1016/j.jhepr.2025.101685","DOIUrl":"10.1016/j.jhepr.2025.101685","url":null,"abstract":"&lt;div&gt;&lt;h3&gt;Background &amp; Aims&lt;/h3&gt;&lt;div&gt;Durvalumab plus tremelimumab (STRIDE) has emerged as a first-line systemic treatment option for unresectable hepatocellular carcinoma (HCC). This international multicentre study aimed to evaluate the efficacy and tolerability of STRIDE or durvalumab monotherapy in routine clinical practice, comparing outcomes between patients within and outside key eligibility criteria for the HIMALAYA trial.&lt;/div&gt;&lt;/div&gt;&lt;div&gt;&lt;h3&gt;Methods&lt;/h3&gt;&lt;div&gt;From a database of 1,423 patients with advanced/unresectable HCC treated with immunotherapy across 35 centres, we analysed 233 patients receiving STRIDE or durvalumab monotherapy. Patients were categorized as HIMALAYA-IN or HIMALAYA-OUT based on key trial eligibility criteria (no prior systemic therapy, ECOG-PS 0–1, Child-Pugh class A, no Vp4 thrombosis). Baseline characteristics were assessed for overall survival (OS) and hepatic decompensation using a multivariable Cox model and competing-risk analysis, respectively. Objective response rates and treatment-related adverse events were recorded.&lt;/div&gt;&lt;/div&gt;&lt;div&gt;&lt;h3&gt;Results&lt;/h3&gt;&lt;div&gt;Of the 233 patients, 123 (53%) were HIMALAYA-IN and 110 (47%) were HIMALAYA-OUT. STRIDE was given in 95% of HIMALAYA-IN patients. After median follow-up of 6.0 months, median OS was 20.4 months (95% CI 11.7-NR) in the overall population. HIMALAYA-IN patients achieved significantly longer OS than HIMALAYA-OUT patients (23.0 &lt;em&gt;vs.&lt;/em&gt; 12.2 months; hazard ratio 0.61; 95% CI 0.39-0.96; &lt;em&gt;p&lt;/em&gt; = 0.03). Macrovascular invasion and hepatic decompensation were independent negative prognostic factors in the whole cohort. Hepatic decompensation occurred in 10.5% of patients within 12 months from treatment start. Objective response rate was 23.7% and 17.8% of HIMALAYA-IN and -OUT patients, respectively. Patients achieving disease control (whole cohort: 59.4%) demonstrated 24-month OS of 58.2% in HIMALAYA-IN and 44.8% in HIMALAYA-OUT groups. Grade 3-4 treatment-related adverse events occurred in 16.3% of patients.&lt;/div&gt;&lt;/div&gt;&lt;div&gt;&lt;h3&gt;Conclusions&lt;/h3&gt;&lt;div&gt;STRIDE shows reproducible effectiveness and an acceptable safety profile in real-world practice. Achieving disease control and maintaining liver function emerged as key determinants of long-term survival benefit.&lt;/div&gt;&lt;/div&gt;&lt;div&gt;&lt;h3&gt;Impact and implications&lt;/h3&gt;&lt;div&gt;The DT-real study validates the efficacy and safety of STRIDE (durvalumab plus tremelimumab) in routine clinical practice, with HIMALAYA trial-eligible patients achieving 23-month median survival, and showing a safety profile comparable to that observed in the pivotal trial. Nearly half of real-world patients received treatment despite not meeting original trial criteria, reflecting urgent clinical need in this population with limited therapeutic options. As for other immunotherapy-based combinations, hepatic decompensation is a critical determinant of survival. Patients achieving disease control demonstrated substantially improved 24-month overall su","PeriodicalId":14764,"journal":{"name":"JHEP Reports","volume":"8 3","pages":"Article 101685"},"PeriodicalIF":7.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146165369","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Animal naming test at discharge is associated with hepatic encephalopathy after elective TIPS 出院时动物命名试验与选择性TIPS术后肝性脑病相关。
IF 7.5 1区 医学 Q1 GASTROENTEROLOGY & HEPATOLOGY Pub Date : 2026-03-01 Epub Date: 2025-11-29 DOI: 10.1016/j.jhepr.2025.101701
Melisande Jorus , Philippe Sultanik , Charlotte Bouzbib , Sarah Mouri , Lyes Kheloufi , Maxime Gasperment , Nicolas Weiss , Charles Roux , Dominique Thabut , Marika Rudler

Backgrounds & Aims

Overt hepatic encephalopathy (OHE) is the most feared complication after transjugular intrahepatic portosystemic shunt (TIPS) placement. We aimed to evaluate the usefulness of the animal naming test (ANT) in predicting the occurrence of OHE after elective TIPS placement.

Methods

The ANT (1 min) was evaluated before TIPS, at discharge, and at 1, 3, and 6 months in all patients treated with elective TIPS between September 2019 and November 2024.

Results

We included 100 consecutive patients (80% men; median age 59 years; median MELD score 11). Indications for TIPS were ascites, secondary prophylaxis, hydrothorax, and pre-surgery in 63%, 19%, 5%, 13%, respectively; 24% had a history of OHE. The median ANT before TIPS was 21 (IQR 17–27). The cumulative incidence of OHE was 30%, considering death and liver transplantation as competing events. In multivariate analysis, independent predictors of OHE development were age (hazard ratio [HR] 1.04; 95% CI 1.00-1.09; p = 0.02), pre-TIPS ammonia level (HR 1.01; 95% CI 1.00-1.03; p = 0.02), ammonia level at discharge (HR 1.01; 95% CI 1.01-1.03; p = 0.04), and ANT at discharge (HR 0.89; 95% CI 0.81-0.97; p = 0.005), but not ANT before TIPS. After discharge, the predictive value of ANT was stable for the diagnosis of subsequent OHE.

Conclusion

ANT at discharge may be useful in identifying patients at higher risk of OHE after TIPS.

Impact and implications

Overt hepatic encephalopathy (OHE) remains a major limitation of transjugular intrahepatic portosystemic shunt (TIPS) placement. While the animal naming test (ANT) before TIPS could not accurately predict the development of OHE, both ANT and ammonia after TIPS were predictive of OHE. Each decrease of ANT of 1 point was associated with an increased risk of OHE of 8%. Incorporating this test into routine post-procedural assessment could improve early identification of high-risk patients, guide preventive strategies, and optimize follow-up.
背景与目的:显性肝性脑病(OHE)是经颈静脉肝内门静脉分流术(TIPS)置入后最可怕的并发症。我们的目的是评估动物命名试验(ANT)在预测选择性TIPS放置后OHE发生方面的有用性。方法:在2019年9月至2024年11月期间,对所有接受选择性TIPS治疗的患者在TIPS前、出院时、1个月、3个月和6个月时的ANT(1分钟)进行评估。结果:我们纳入了100例连续患者(80%为男性,中位年龄59岁,中位MELD评分11)。TIPS的适应症为腹水、二级预防、胸水和术前,分别占63%、19%、5%和13%;24%有OHE病史。TIPS前的中位ANT为21 (IQR 17-27)。考虑到死亡和肝移植是相互竞争的事件,OHE的累积发生率为30%。在多因素分析中,OHE发展的独立预测因子为年龄(风险比[HR] 1.04; 95% CI 1.00-1.09; p = 0.02)、TIPS前氨水平(HR 1.01; 95% CI 1.00-1.03; p = 0.02)、出院时氨水平(HR 1.01; 95% CI 1.01-1.03; p = 0.04)和出院时ANT (HR 0.89; 95% CI 0.81-0.97; p = 0.005),但TIPS前ANT不存在。出院后,ANT对后续OHE诊断的预测价值稳定。结论:出院时ANT检测可用于鉴别TIPS术后OHE高危患者。影响和意义:显性肝性脑病(OHE)仍然是经颈静脉肝内门静脉系统分流术(TIPS)放置的主要限制。TIPS前的动物命名试验(ANT)不能准确预测OHE的发展,TIPS后的蚂蚁命名试验(ANT)和氨氮命名试验(氨氮)均可预测OHE的发展。ANT每降低1点,OHE风险增加8%。将该检测纳入常规术后评估可提高高危患者的早期识别,指导预防策略,优化随访。
{"title":"Animal naming test at discharge is associated with hepatic encephalopathy after elective TIPS","authors":"Melisande Jorus ,&nbsp;Philippe Sultanik ,&nbsp;Charlotte Bouzbib ,&nbsp;Sarah Mouri ,&nbsp;Lyes Kheloufi ,&nbsp;Maxime Gasperment ,&nbsp;Nicolas Weiss ,&nbsp;Charles Roux ,&nbsp;Dominique Thabut ,&nbsp;Marika Rudler","doi":"10.1016/j.jhepr.2025.101701","DOIUrl":"10.1016/j.jhepr.2025.101701","url":null,"abstract":"<div><h3>Backgrounds &amp; Aims</h3><div>Overt hepatic encephalopathy (OHE) is the most feared complication after transjugular intrahepatic portosystemic shunt (TIPS) placement. We aimed to evaluate the usefulness of the animal naming test (ANT) in predicting the occurrence of OHE after elective TIPS placement.</div></div><div><h3>Methods</h3><div>The ANT (1 min) was evaluated before TIPS, at discharge, and at 1, 3, and 6 months in all patients treated with elective TIPS between September 2019 and November 2024.</div></div><div><h3>Results</h3><div>We included 100 consecutive patients (80% men; median age 59 years; median MELD score 11). Indications for TIPS were ascites, secondary prophylaxis, hydrothorax, and pre-surgery in 63%, 19%, 5%, 13%, respectively; 24% had a history of OHE. The median ANT before TIPS was 21 (IQR 17–27). The cumulative incidence of OHE was 30%, considering death and liver transplantation as competing events. In multivariate analysis, independent predictors of OHE development were age (hazard ratio [HR] 1.04; 95% CI 1.00-1.09; <em>p</em> = 0.02), pre-TIPS ammonia level (HR 1.01; 95% CI 1.00-1.03; <em>p</em> = 0.02), ammonia level at discharge (HR 1.01; 95% CI 1.01-1.03; <em>p</em> = 0.04), and ANT at discharge (HR 0.89; 95% CI 0.81-0.97; <em>p</em> = 0.005), but not ANT before TIPS. After discharge, the predictive value of ANT was stable for the diagnosis of subsequent OHE.</div></div><div><h3>Conclusion</h3><div>ANT at discharge may be useful in identifying patients at higher risk of OHE after TIPS.</div></div><div><h3>Impact and implications</h3><div>Overt hepatic encephalopathy (OHE) remains a major limitation of transjugular intrahepatic portosystemic shunt (TIPS) placement. While the animal naming test (ANT) before TIPS could not accurately predict the development of OHE, both ANT and ammonia after TIPS were predictive of OHE. Each decrease of ANT of 1 point was associated with an increased risk of OHE of 8%. Incorporating this test into routine post-procedural assessment could improve early identification of high-risk patients, guide preventive strategies, and optimize follow-up.</div></div>","PeriodicalId":14764,"journal":{"name":"JHEP Reports","volume":"8 3","pages":"Article 101701"},"PeriodicalIF":7.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146179672","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Soluble urokinase plasminogen activator receptor is a prognostic biomarker in decompensated cirrhosis 可溶性尿激酶纤溶酶原激活物受体是失代偿肝硬化的预后生物标志物。
IF 7.5 1区 医学 Q1 GASTROENTEROLOGY & HEPATOLOGY Pub Date : 2026-03-01 Epub Date: 2025-11-11 DOI: 10.1016/j.jhepr.2025.101677
Sven Lamatsch , Mohsin Hassan , Kai Kappert , Hilmar Berger , Qingquan Bai , Zhengyang Zhao , Nirbaanjot Walia , Carlos De La Peña-Ramirez , Raphael Mohr , Münevver Demir , Juan Wang , Fabian Artusa , Richard Sittner , Fausto Andreola , Rhea Veelken , Florian van Boemmel , Jonas Schumacher , Niklas Aehling , Janett Fischer , Rajeshwar Mookerjee , Cornelius Engelmann
<div><h3>Background & Aims</h3><div>Cirrhosis poses a significant healthcare burden, with decompensation and acute-on-chronic liver failure (ACLF) resulting in high morbidity and mortality. Reliable biomarkers of disease progression are urgently needed. Urokinase plasminogen activator receptor (uPAR) and its soluble form (suPAR) are linked to systemic inflammation in liver disease. This study aims to evaluate suPAR as a prognostic marker and its role in chronic liver disease.</div></div><div><h3>Methods</h3><div>SuPAR levels were measured in a derivation cohort (n = 178) and a validation cohort (n = 197) from two centers, including healthy controls and patients with cirrhosis, acute decompensation, and ACLF. In a mouse model using carbon tetrachloride and lipopolysaccharide, suPAR levels correlated with liver uPAR expression. Single-cell RNA sequencing was used to analyze uPAR expression in immune cells from healthy controls and from patients with HBV-related cirrhosis.</div></div><div><h3>Results</h3><div>SuPAR levels correlated with disease severity markers, including creatinine, bilirubin, albumin, international normalized ratio, MELD score, and hospitalization duration (all <em>p <</em>0.001). They were associated with higher in-hospital mortality (<em>p =</em> 0.02), intensive care unit treatment (<em>p <</em>0.001), 90-day mortality (<em>p =</em> 0.003), and ACLF progression (<em>p =</em> 0.014). SuPAR levels ≥14.0 ng/ml independently predicted 90-day mortality in decompensated cirrhosis (hazard ratio [HR] 5.295, <em>p =</em> 0.015). The validation cohort confirmed these correlations, with increased 28-day (HR 9.589, <em>p <</em>0.001) and 90-day (HR 7.899, <em>p <</em>0.001) mortality. In mice, suPAR and liver uPAR expression were significantly higher in acute-on-chronic injury compared with chronic injury and control groups. Single-cell RNA sequencing in human liver immune cells revealed increased PLAUR expression in monocytes, macrophages, and dendritic cells in HBV-induced cirrhosis.</div></div><div><h3>Conclusions</h3><div>SuPAR is a potential biomarker for predicting outcomes in acute decompensation, reflecting both systemic and liver-specific inflammation. Further studies are needed to clarify the role of uPAR-expressing cells in disease progression.</div></div><div><h3>Impact and implications</h3><div>Our study identifies soluble urokinase plasminogen activator receptor (suPAR) as a biomarker of liver-derived systemic inflammation that is clinically relevant for predicting adverse outcomes in decompensated cirrhosis and is associated with disease progression, organ dysfunction, and mortality. Systemic suPAR levels ≥14.0 ng/ml independently predicted 90-day mortality in patients with decompensated cirrhosis across two independent cohorts. Accurate outcome prediction is crucial for developing tailored, personalized treatments in advanced chronic liver disease, and suPAR, as an independent predictor of short-term mortal
背景与目的:肝硬化是一个重要的医疗负担,代偿失代偿和急性慢性肝衰竭(ACLF)导致高发病率和死亡率。目前迫切需要可靠的疾病进展生物标志物。尿激酶纤溶酶原激活剂受体(uPAR)及其可溶性形式(suPAR)与肝脏疾病的全身性炎症有关。本研究旨在评估suPAR作为一种预后标志物及其在慢性肝病中的作用。方法:在两个中心的衍生队列(n = 178)和验证队列(n = 197)中测量SuPAR水平,包括健康对照和肝硬化、急性代偿失代偿和ACLF患者。在使用四氯化碳和脂多糖的小鼠模型中,suPAR水平与肝脏uPAR表达相关。使用单细胞RNA测序分析来自健康对照和hbv相关肝硬化患者的免疫细胞中的uPAR表达。结果:SuPAR水平与疾病严重程度标志物相关,包括肌酐、胆红素、白蛋白、国际标准化比值、MELD评分和住院时间(均p 0.001)。它们与较高的住院死亡率(p = 0.02)、重症监护病房治疗(p = 0.001)、90天死亡率(p = 0.003)和ACLF进展(p = 0.014)相关。SuPAR水平≥14.0 ng/ml独立预测失代偿期肝硬化患者90天死亡率(危险比[HR] 5.295, p = 0.015)。验证队列证实了这些相关性,28天(HR 9.589, p 0.001)和90天(HR 7.899, p 0.001)死亡率增加。在小鼠中,与慢性损伤组和对照组相比,急性慢性损伤组的suPAR和肝脏uPAR表达显著升高。人肝免疫细胞的单细胞RNA测序显示,hbv诱导肝硬化的单核细胞、巨噬细胞和树突状细胞中PLAUR表达增加。结论:SuPAR是预测急性失代偿结局的潜在生物标志物,反映了全身性和肝脏特异性炎症。需要进一步的研究来阐明表达upar的细胞在疾病进展中的作用。影响和意义:我们的研究确定了可溶性尿激酶纤溶酶原激活物受体(suPAR)作为肝源性全身性炎症的生物标志物,在临床上与预测失代偿肝硬化的不良结局相关,并与疾病进展、器官功能障碍和死亡率相关。在两个独立队列中,系统性suPAR水平≥14.0 ng/ml独立预测失代偿性肝硬化患者90天死亡率。准确的预后预测对于开发针对晚期慢性肝病的量身定制的个性化治疗至关重要,而suPAR作为短期死亡率和疾病进展的独立预测指标,可以补充MELD等已建立的评分系统。
{"title":"Soluble urokinase plasminogen activator receptor is a prognostic biomarker in decompensated cirrhosis","authors":"Sven Lamatsch ,&nbsp;Mohsin Hassan ,&nbsp;Kai Kappert ,&nbsp;Hilmar Berger ,&nbsp;Qingquan Bai ,&nbsp;Zhengyang Zhao ,&nbsp;Nirbaanjot Walia ,&nbsp;Carlos De La Peña-Ramirez ,&nbsp;Raphael Mohr ,&nbsp;Münevver Demir ,&nbsp;Juan Wang ,&nbsp;Fabian Artusa ,&nbsp;Richard Sittner ,&nbsp;Fausto Andreola ,&nbsp;Rhea Veelken ,&nbsp;Florian van Boemmel ,&nbsp;Jonas Schumacher ,&nbsp;Niklas Aehling ,&nbsp;Janett Fischer ,&nbsp;Rajeshwar Mookerjee ,&nbsp;Cornelius Engelmann","doi":"10.1016/j.jhepr.2025.101677","DOIUrl":"10.1016/j.jhepr.2025.101677","url":null,"abstract":"&lt;div&gt;&lt;h3&gt;Background &amp; Aims&lt;/h3&gt;&lt;div&gt;Cirrhosis poses a significant healthcare burden, with decompensation and acute-on-chronic liver failure (ACLF) resulting in high morbidity and mortality. Reliable biomarkers of disease progression are urgently needed. Urokinase plasminogen activator receptor (uPAR) and its soluble form (suPAR) are linked to systemic inflammation in liver disease. This study aims to evaluate suPAR as a prognostic marker and its role in chronic liver disease.&lt;/div&gt;&lt;/div&gt;&lt;div&gt;&lt;h3&gt;Methods&lt;/h3&gt;&lt;div&gt;SuPAR levels were measured in a derivation cohort (n = 178) and a validation cohort (n = 197) from two centers, including healthy controls and patients with cirrhosis, acute decompensation, and ACLF. In a mouse model using carbon tetrachloride and lipopolysaccharide, suPAR levels correlated with liver uPAR expression. Single-cell RNA sequencing was used to analyze uPAR expression in immune cells from healthy controls and from patients with HBV-related cirrhosis.&lt;/div&gt;&lt;/div&gt;&lt;div&gt;&lt;h3&gt;Results&lt;/h3&gt;&lt;div&gt;SuPAR levels correlated with disease severity markers, including creatinine, bilirubin, albumin, international normalized ratio, MELD score, and hospitalization duration (all &lt;em&gt;p &lt;&lt;/em&gt;0.001). They were associated with higher in-hospital mortality (&lt;em&gt;p =&lt;/em&gt; 0.02), intensive care unit treatment (&lt;em&gt;p &lt;&lt;/em&gt;0.001), 90-day mortality (&lt;em&gt;p =&lt;/em&gt; 0.003), and ACLF progression (&lt;em&gt;p =&lt;/em&gt; 0.014). SuPAR levels ≥14.0 ng/ml independently predicted 90-day mortality in decompensated cirrhosis (hazard ratio [HR] 5.295, &lt;em&gt;p =&lt;/em&gt; 0.015). The validation cohort confirmed these correlations, with increased 28-day (HR 9.589, &lt;em&gt;p &lt;&lt;/em&gt;0.001) and 90-day (HR 7.899, &lt;em&gt;p &lt;&lt;/em&gt;0.001) mortality. In mice, suPAR and liver uPAR expression were significantly higher in acute-on-chronic injury compared with chronic injury and control groups. Single-cell RNA sequencing in human liver immune cells revealed increased PLAUR expression in monocytes, macrophages, and dendritic cells in HBV-induced cirrhosis.&lt;/div&gt;&lt;/div&gt;&lt;div&gt;&lt;h3&gt;Conclusions&lt;/h3&gt;&lt;div&gt;SuPAR is a potential biomarker for predicting outcomes in acute decompensation, reflecting both systemic and liver-specific inflammation. Further studies are needed to clarify the role of uPAR-expressing cells in disease progression.&lt;/div&gt;&lt;/div&gt;&lt;div&gt;&lt;h3&gt;Impact and implications&lt;/h3&gt;&lt;div&gt;Our study identifies soluble urokinase plasminogen activator receptor (suPAR) as a biomarker of liver-derived systemic inflammation that is clinically relevant for predicting adverse outcomes in decompensated cirrhosis and is associated with disease progression, organ dysfunction, and mortality. Systemic suPAR levels ≥14.0 ng/ml independently predicted 90-day mortality in patients with decompensated cirrhosis across two independent cohorts. Accurate outcome prediction is crucial for developing tailored, personalized treatments in advanced chronic liver disease, and suPAR, as an independent predictor of short-term mortal","PeriodicalId":14764,"journal":{"name":"JHEP Reports","volume":"8 3","pages":"Article 101677"},"PeriodicalIF":7.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146213174","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Proteome-scale autoantibody profiling in PSC: Associations with clinical phenotypes and evidence for neuroendocrine deregulations PSC的蛋白质组级自身抗体谱分析:与临床表型和神经内分泌失调的证据相关。
IF 7.5 1区 医学 Q1 GASTROENTEROLOGY & HEPATOLOGY Pub Date : 2026-03-01 Epub Date: 2025-12-23 DOI: 10.1016/j.jhepr.2025.101719
Martin Cornillet , Aiva Lundberg Båve , Dan Sun , Ghada Nouairia , Christina Villard , Aristeidis Grigoriadis , Erik von Seth , Hannes Jansson , María Bueno Álvez , Sofia Bergström , Peter Nilsson , Mathias Uhlén , Fredrik Edfors , Per Stål

Background & Aims

Primary sclerosing cholangitis (PSC) is a rare cholestatic liver disease with heterogeneous phenotypes and progression. Autoimmune traits, such as the presence of autoantibodies, are suspected to drive its heterogeneity.

Methods

We performed a proteome-scale autoantibody screen of IgG and IgA isotypes using >42,100 protein fragments. This was followed by a validation of 1,153 selected autoantibodies, in serum samples from 466 patients with PSC in a longitudinal setting using the SUPRIM cohort and 214 controls.

Results

We identified autoantibodies associated with clinical phenotypes, biochemical and clinical severity, comorbidities, and disease progression (e.g. alkaline phosphatase and albumin level p <e-10, presence of hepatobiliary malignancies p <0.001, seroconversion before transplantation p <0.001). Rather than a single universal autoantibody marker, small patient subgroups were positive for various autoantibodies with variable specificity. Global analysis of autoantigen targets revealed an overrepresentation of proteins normally expressed in immune-privileged sites, including the brain, testis, and retina. When interrogating tissue-specific autoantigen co-expression linked to expression and splicing quantitative trait loci of PSC risk variants, the thyroid emerged as an additional relevant tissue. We also detected increased autoantibody diversity associated with PSC duration and end-stage disease, already observable several years before liver transplantation. Multiomics analysis across body compartments confirmed neuroendocrine dysregulation in PSC. Our results are provided as a resource for further studies.

Conclusions

Overall, our data support the cryptic antigen and epitope-drifting autoimmune theories and indicate that neuroendocrine dysregulation may contribute to PSC pathogenesis.

Impact and implications

From a proteome-scale profiling of the SUPRIM cohort, we provide a short list of autoantibodies associated with clinical phenotypes and progression, along with the peptide sequences used to capture them. We identify across multiple datasets neuroendocrine deregulations in primary sclerosing cholangitis and provide a short list of related key plasma proteins. These data and technical details should facilitate validation studies, investigations of related pathophysiological mechanisms and development of low-cost tools for diagnostic or prognostic purposes.
背景与目的:原发性硬化性胆管炎(PSC)是一种罕见的胆汁淤积性肝病,具有异质性的表型和进展。自身免疫特征,如自身抗体的存在,被怀疑是导致其异质性的原因。方法:我们使用bbb42,100个蛋白片段对IgG和IgA同型进行了蛋白质组级自身抗体筛选。随后,对466名PSC患者的血清样本进行了1,153个选定的自身抗体的验证,这些血清样本使用SUPRIM队列和214名对照组进行纵向设置。结果:我们确定了与临床表型、生化和临床严重程度、合并症和疾病进展相关的自身抗体(例如,碱性磷酸酶和白蛋白水平pe -10,肝胆恶性肿瘤的存在p0.001,移植前血清转化p0.001)。而不是单一的通用自身抗体标记,小患者亚组对各种不同特异性的自身抗体呈阳性。对自身抗原靶点的整体分析显示,在免疫特权部位(包括大脑、睾丸和视网膜)正常表达的蛋白质过度表达。当询问与PSC风险变异的表达和剪接数量性状位点相关的组织特异性自身抗原共表达时,甲状腺作为一个额外的相关组织出现。我们还检测到与PSC持续时间和终末期疾病相关的自身抗体多样性增加,这在肝移植前几年就已经观察到。多组学分析证实PSC存在神经内分泌失调。我们的研究结果为进一步的研究提供了资源。结论:总的来说,我们的数据支持隐抗原和表位漂移的自身免疫理论,并表明神经内分泌失调可能参与PSC的发病机制。影响和启示:从SUPRIM队列的蛋白质组级分析中,我们提供了与临床表型和进展相关的自身抗体的简短列表,以及用于捕获它们的肽序列。我们在多个数据集中识别原发性硬化性胆管炎的神经内分泌失调,并提供相关关键血浆蛋白的简短列表。这些数据和技术细节应有助于验证研究、相关病理生理机制的调查以及用于诊断或预后目的的低成本工具的开发。
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引用次数: 0
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