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Targeting CTLA-4: a possible solution for microsatellite-stable colorectal cancer 靶向 CTLA-4:微卫星稳定型结直肠癌的可能解决方案
IF 5 3区 医学 Q1 Medicine Pub Date : 2023-12-08 DOI: 10.1038/s41435-023-00223-w
François Ghiringhelli, Marion Thibaudin
Checkpoint blockade immunotherapy is a therapeutic revolution in cancer treatment. However, only 5% of patients with metastatic colorectal cancer benefit from these therapies, and these tumors genetically harbored microsatellite instability status. In contrast, tumors with stable microsatellites are considered resistant to immunotherapy, and standard treatment with chemotherapies is standard of care, with few chances of curative intent. In a recent clinical trial, we demonstrated that the combination of two chemotherapies with two immunotherapies promotes the recruitment and activation of the adaptive immune system at the tumor level, resulting in clinical benefit in a significant number of patients. In parallel, a biological study revealed biomarkers of response, including CTLA-4 expression and induction of a tumor-specific immune response.
检查点阻断免疫疗法是癌症治疗领域的一场革命。然而,只有5%的转移性结直肠癌患者能从这些疗法中获益,而这些肿瘤在基因上具有微卫星不稳定性。相比之下,具有稳定微卫星的肿瘤被认为对免疫疗法具有抗药性,而化疗是标准治疗方法,治愈的机会很少。在最近的一项临床试验中,我们证实了两种化疗药与两种免疫疗法的联合使用可促进适应性免疫系统在肿瘤水平的招募和激活,从而使大量患者获得临床获益。与此同时,一项生物学研究揭示了反应的生物标志物,包括 CTLA-4 的表达和肿瘤特异性免疫反应的诱导。
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引用次数: 0
Interleukin-3 gets a fresh start in the brain 白细胞介素-3在大脑中重获新生
IF 5 3区 医学 Q1 Medicine Pub Date : 2023-12-08 DOI: 10.1038/s41435-023-00231-w
Abi G. Yates, Annie Khamhoung, Cameron S. McAlpine
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引用次数: 0
To whom B cells toll extrafollicular responses B 细胞对哪些人产生了滤泡外反应
IF 5 3区 医学 Q1 Medicine Pub Date : 2023-12-08 DOI: 10.1038/s41435-023-00226-7
Jonathan H. Lam, Nicole Baumgarth
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引用次数: 0
RNA modifications—a regulatory dimension yet to be deciphered in immunity RNA修饰——免疫系统中尚待破解的调控维度。
IF 5 3区 医学 Q1 Medicine Pub Date : 2023-11-20 DOI: 10.1038/s41435-023-00228-5
Cuong Thi Pham, Laurie Rangan, Susan Schlenner
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引用次数: 0
Genetic variants of interferon-response factor 5 are associated with the incidence of chronic kidney disease: the D.E.S.I.R. study 干扰素反应因子5的遗传变异与慢性肾脏疾病的发病率相关:D.E.S.I.R.研究
IF 5 3区 医学 Q1 Medicine Pub Date : 2023-11-17 DOI: 10.1038/s41435-023-00229-4
Frédéric Fumeron, Gilberto Velho, Fawaz Alzaid, Ray El Boustany, Claire Vandiedonck, Amélie Bonnefond, Philippe Froguel, Louis Potier, Michel Marre, Beverley Balkau, Ronan Roussel, Nicolas Venteclef
Inflammation has been associated with renal diseases. The Interferon Regulatory Factor (IRF)-5 is a key transcription factor in the pro-inflammatory polarization of M1-like macrophages. GWAS have reported that the IRF5 locus is associated with autoimmune diseases and with the estimated glomerular filtration rate (eGFR). We study whether allelic variations in IRF5 are associated with the incidence of chronic kidney disease (CKD) in a general population. We genotyped eleven IRF5 SNPs in the French D.E.S.I.R. cohort from the general population (n = 4820). Associations of SNPs with baseline renal parameters were assessed. Data were analyzed for three endpoints during a 9-year follow-up, incidence of:at least stage 3 CKD, the KDIGO criterion “certain drop in eGFR”, and incidence of micro/macro albuminuria. In the cross-sectional analysis, rs10954213 and rs10954214 were associated with eGFR and rs1874328 with urinary albumin/creatinine ratio (ACR). Rs3807306, rs11761199, rs78658945, rs1874328, rs10954213 and rs11770589 were associated with the incidence of stage 3 CKD in multi-adjusted models. Rs4731532, rs3807306, and rs11761199 were associated with the incidence of CKD defined by the KDIGO. Rs4731532, rs3807306, rs11761199 and rs79288514 were associated with the incidence of micro/macro albuminuria. Our results support the hypothesis of the importance of IRF5 mediated macrophage polarization in the etiology of CKD.
炎症与肾脏疾病有关。干扰素调节因子(IRF)-5是m1样巨噬细胞促炎极化的关键转录因子。GWAS报道了IRF5位点与自身免疫性疾病和估计的肾小球滤过率(eGFR)相关。我们研究IRF5的等位基因变异是否与普通人群中慢性肾脏疾病(CKD)的发病率相关。我们从法国D.E.S.I.R.人群中对11个IRF5 snp进行了基因分型(n = 4820)。评估snp与基线肾脏参数的关系。数据分析了9年随访期间的三个终点,至少3期CKD的发生率,KDIGO标准“eGFR一定下降”和微/宏蛋白尿的发生率。在横断面分析中,rs10954213和rs10954214与eGFR相关,rs1874328与尿白蛋白/肌酐比值(ACR)相关。在多重校正模型中,Rs3807306、rs11761199、rs78658945、rs1874328、rs10954213和rs11770589与3期CKD的发生率相关。Rs4731532、rs3807306和rs11761199与KDIGO定义的CKD发病率相关。Rs4731532、rs3807306、rs11761199和rs79288514与微/宏蛋白尿发生率相关。我们的研究结果支持IRF5介导的巨噬细胞极化在CKD病因学中的重要性的假设。
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引用次数: 0
Evolutionary immuno-genetics of endoplasmic reticulum aminopeptidase II (ERAP2) 内质网氨肽酶II(ERAP2)的进化免疫遗传学。
IF 5 3区 医学 Q1 Medicine Pub Date : 2023-11-04 DOI: 10.1038/s41435-023-00225-8
Aroosha Raja, Jonas J. W. Kuiper
Endoplasmic reticulum aminopeptidase 2 (ERAP2) is a proteolytic enzyme involved in adaptive immunity. The ERAP2 gene is highly polymorphic and encodes haplotypes that confer resistance against lethal infectious diseases, but also increase the risk for autoimmune disorders. Identifying how ERAP2 influences susceptibility to these traits requires an understanding of the selective pressures that shaped and maintained allelic variation throughout human evolution. Our review discusses the genetic regulation of haplotypes and diversity in naturally occurring ERAP2 allotypes in the global population. We outline how these ERAP2 haplotypes evolved during human history and highlight the presence of Neanderthal DNA sequences in ERAP2 of modern humans. Recent evidence suggests that human adaptation during the last ~10,000 years and historic pandemics left a significant mark on the ERAP2 gene that determines susceptibility to infectious and inflammatory diseases today.
内质网氨基肽酶2(ERAP2)是一种参与适应性免疫的蛋白水解酶。ERAP2基因具有高度多态性,编码的单倍型赋予了对致命传染病的抵抗力,但也增加了自身免疫性疾病的风险。要确定ERAP2如何影响对这些特征的易感性,需要了解在整个人类进化过程中塑造和维持等位基因变异的选择压力。我们的综述讨论了全球人群中自然发生的ERAP2同种型的单倍型和多样性的遗传调控。我们概述了这些ERAP2单倍型在人类历史上是如何进化的,并强调了现代人类ERAP2中尼安德特人DNA序列的存在。最近的证据表明,人类在过去约10000年的适应和历史性的流行病在ERAP2基因上留下了重要的印记,ERAP2基因决定了今天对传染病和炎症疾病的易感性。
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引用次数: 0
Circulating biomarkers at diagnosis correlate with distant metastases of early luminal-like breast cancer 诊断中的循环生物标志物与早期腔样乳腺癌癌症的远处转移相关。
IF 5 3区 医学 Q1 Medicine Pub Date : 2023-09-27 DOI: 10.1038/s41435-023-00220-z
Yentl Lambrechts, Abhishek D. Garg, Giuseppe Floris, Kevin Punie, Patrick Neven, Ines Nevelsteen, Jannes Govaerts, François Richard, Annouschka Laenen, Christine Desmedt, Hans Wildiers, Sigrid Hatse
There is an urgent need for new and better biomarker modalities to estimate the risk of recurrence within the luminal-like breast cancer (BC) population. Molecular diagnostic tests used in the clinic lack accuracy in identifying patients with early luminal BC who are likely to develop metastases. This study provides proof of concept that various liquid biopsy read-outs could serve as valuable candidates to build a multi-modal biomarker model distinguishing, already at diagnosis, between early metastasizing and non-metastasizing patients. All these blood biomarkers (chemokines, microRNAs, leukemia inhibitory factor, osteopontin, and serum-induced functional myeloid signaling responses) can be measured in baseline plasma/serum samples and could be added to the existing prognostic factors to improve risk stratification and more patient-tailored treatment in early luminal BC.
迫切需要新的更好的生物标志物模式来估计癌症(BC)人群中的复发风险。临床上使用的分子诊断测试在识别可能发生转移的早期管腔BC患者方面缺乏准确性。这项研究提供了概念证明,即各种液体活检读数可以作为建立多模式生物标志物模型的有价值的候选者,该模型已经在诊断中区分早期转移和非转移患者。所有这些血液生物标志物(趋化因子、微小RNA、白血病抑制因子、骨桥蛋白和血清诱导的功能性骨髓细胞信号反应)都可以在基线血浆/血清样本中进行测量,并可以添加到现有的预后因素中,以改善早期管腔BC的风险分层和更适合患者的治疗。
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引用次数: 0
IL-2 immunotherapy for targeting regulatory T cells in autoimmunity “针对自身免疫中调节性T细胞的IL-2免疫疗法”。
IF 5 3区 医学 Q1 Medicine Pub Date : 2023-09-23 DOI: 10.1038/s41435-023-00221-y
Valentina Lykhopiy, Vanshika Malviya, Stephanie Humblet-Baron, Susan M. Schlenner
FOXP3+ regulatory T cells (Treg) are indispensable for immune homoeostasis and for the prevention of autoimmune diseases. Interleukin-2 (IL-2) signalling is critical in all aspects of Treg biology. Consequences of defective IL-2 signalling are insufficient numbers or dysfunction of Treg and hence autoimmune disorders in human and mouse. The restoration and maintenance of immune homoeostasis remain central therapeutic aims in the field of autoimmunity. Historically, broadly immunosuppressive drugs with serious side-effects have been used for the treatment of autoimmune diseases or prevention of organ-transplant rejection. More recently, ex vivo expanded or in vivo stimulated Treg have been shown to induce effective tolerance in clinical trials supporting the clinical benefit of targeting natural immunosuppressive mechanisms. Given the central role of exogenous IL-2 in Treg homoeostasis, a new and promising focus in drug development are IL-2-based approaches for in vivo targeted expansion of Treg or for enhancement of their suppressive activity. In this review, we summarise the role of IL-2 in Treg biology and consequences of dysfunctional IL-2 signalling pathways. We then examine evidence of efficacy of IL-2-based biological drugs targeting Treg with specific focus on therapeutic candidates in clinical trials and discuss their limitations.
FOXP3+调节性T细胞(Treg)对于免疫稳态和自身免疫性疾病的预防是必不可少的。白细胞介素-2(IL-2)信号传导在Treg生物学的各个方面都至关重要。IL-2信号传导缺陷的后果是Treg数量不足或功能障碍,从而导致人类和小鼠的自身免疫性疾病。免疫稳态的恢复和维持仍然是自身免疫领域的中心治疗目标。历史上,具有严重副作用的广泛免疫抑制药物已被用于治疗自身免疫性疾病或预防器官移植排斥反应。最近,在支持靶向天然免疫抑制机制的临床益处的临床试验中,离体扩增或体内刺激的Treg已被证明可诱导有效耐受。鉴于外源性IL-2在Treg稳态中的核心作用,药物开发中一个新的和有前景的焦点是基于IL-2的方法,用于体内靶向扩增Treg或增强其抑制活性。在这篇综述中,我们总结了IL-2在Treg生物学中的作用以及功能失调的IL-2信号通路的后果。然后,我们在临床试验中检查了基于IL-2的生物药物靶向Treg的疗效证据,特别关注候选治疗药物,并讨论了它们的局限性。
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引用次数: 0
Disentangling the complexity of psoriasis in the post-genome-wide association era 解开后全基因组关联时代银屑病的复杂性。
IF 5 3区 医学 Q1 Medicine Pub Date : 2023-09-16 DOI: 10.1038/s41435-023-00222-x
Charalabos Antonatos, Katerina Grafanaki, Sophia Georgiou, Evangelos Evangelou, Yiannis Vasilopoulos
In recent years, genome-wide association studies (GWAS) have been instrumental in unraveling the genetic architecture of complex diseases, including psoriasis. The application of large-scale GWA studies in psoriasis has illustrated several associated loci that participate in the cutaneous inflammation, however explaining a fraction of the disease heritability. With the advent of high-throughput sequencing technologies and functional genomics approaches, the post-GWAS era aims to unravel the functional mechanisms underlying the inter-individual variability in psoriasis patients. In this review, we present the key advances of psoriasis GWAS in under-represented populations, rare, non-coding and structural variants and epistatic phenomena that orchestrate the interplay between different cell types. We further review the gene-gene and gene-environment interactions contributing to the disease predisposition and development of comorbidities through Mendelian randomization studies and pleiotropic effects of psoriasis-associated loci. We finally examine the holistic approaches conducted in psoriasis through system genetics and state-of-the-art transcriptomic analyses, discussing their potential implication in the expanding field of precision medicine and characterization of comorbidities.
近年来,全基因组关联研究(GWAS)在揭示包括银屑病在内的复杂疾病的遗传结构方面发挥了重要作用。大规模GWA研究在银屑病中的应用表明了几个参与皮肤炎症的相关基因座,但解释了疾病遗传性的一小部分。随着高通量测序技术和功能基因组学方法的出现,后GWAS时代旨在揭示银屑病患者个体间变异的功能机制。在这篇综述中,我们介绍了银屑病GWAS在代表性不足的人群、罕见的非编码和结构变异以及协调不同细胞类型之间相互作用的上位现象中的关键进展。我们通过孟德尔随机化研究和银屑病相关基因座的多效性效应,进一步综述了基因-基因和基因-环境相互作用对疾病易感性和合并症发展的影响。最后,我们通过系统遗传学和最先进的转录组分析,研究了银屑病的整体治疗方法,讨论了它们在精准医学和合并症表征领域的潜在意义。
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引用次数: 0
Reverse translation: the key to increasing the clinical success of immunotherapy? 反向翻译:提高免疫疗法临床成功率的关键?
IF 5 3区 医学 Q1 Medicine Pub Date : 2023-09-11 DOI: 10.1038/s41435-023-00217-8
Isaure Vanmeerbeek, Stefan Naulaerts, Abhishek D. Garg
Therapeutic testing in animal models has been the cornerstone of translational medicine. However, this trend is starting to change in favour of non-animal alternatives. Considering the high failure rates of forward translation from animal models to human application, the above paradigm shift is definitely welcome. But the enthusiasm toward this progress should not become the basis for completely replacing animal testing because the reliability and representativeness of non-animal alternatives still needs more investigation. And this particularly applies to analyses of the immune system and validation of immunotherapies. In this editorial, we discuss the application of reverse translation as a possible key to robustly connecting human immune data with animal testing to increase the benefit-to-risk ratio of translating immunotherapies toward prospective clinical trials.
动物模型治疗试验一直是转化医学的基石。然而,这一趋势正开始向非动物模型转变。考虑到从动物模型到人体应用的前瞻性转化的高失败率,上述模式转变无疑是值得欢迎的。但对这一进展的热情不应成为完全取代动物试验的基础,因为非动物替代方法的可靠性和代表性仍需更多研究。这一点尤其适用于免疫系统的分析和免疫疗法的验证。在这篇社论中,我们讨论了逆向转化的应用,它是将人类免疫数据与动物试验紧密联系起来的关键,从而提高免疫疗法转化为前瞻性临床试验的收益风险比。
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引用次数: 0
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Genes and immunity
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