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Clonal hematopoiesis in apparent treatment-resistant hypertension, insights from multiple medical centers and community-based cohorts 克隆造血在明显的难治性高血压,来自多个医疗中心和社区队列的见解。
IF 19.4 Q1 CELL BIOLOGY Pub Date : 2025-11-24 DOI: 10.1038/s43587-025-01017-7
Cheng Lv, Haiyue Wang, Liang Yu, Pengyan Hu, Xiao Xiao, Ruofei Li, Xiayidan Alimu, Yushan Tang, Na Lu, Cunjin Wu, Jun Zheng, Yu Zhang, Rutai Hui, Yibo Wang
Clonal hematopoiesis of indeterminate potential (CHIP) increases with age and has been linked to cardiovascular disease. Apparent treatment-resistant hypertension (aTRH) is a severe, age-associated form of hypertension with poor response to therapy. Here we show that CHIP is enriched in patients with aTRH and is independently associated with poorer treatment response and adverse cardiac remodeling. In a multicenter discovery cohort and two community-based validation cohorts, CHIP was detected in ~23% of patients with aTRH versus ~7% of matched controlled-hypertension controls. CHIP carriers exhibited larger left ventricular dimensions, lower ejection fraction, elevated proinflammatory cytokines, smaller reductions in systolic and diastolic blood pressure after medication intensification and a substantially lower likelihood of achieving clinically controlled aTRH. Higher variant allele fraction and loss-of-function variants were linked to worse outcomes. These results identify CHIP as a common, clinically relevant biomarker in aTRH and suggest that targeting CHIP-related inflammation could improve antihypertensive treatment efficacy and outcomes. Antihypertensive medication does not always achieve goals, especially in older adults. Lv, Wang et al. identify clonal hematopoiesis as a biomarker of resistant hypertension, highlighting it as a potential contributor and therapeutic target for poor blood pressure control.
克隆造血潜能不确定(CHIP)随着年龄的增长而增加,并与心血管疾病有关。显性治疗抵抗性高血压(aTRH)是一种严重的、与年龄相关的高血压,对治疗反应不佳。本研究表明,CHIP在aTRH患者中富集,并且与较差的治疗反应和不良的心脏重构独立相关。在一个多中心发现队列和两个基于社区的验证队列中,约23%的aTRH患者检测到CHIP,而在匹配的高血压对照组中,约7%的患者检测到CHIP。CHIP携带者左心室尺寸较大,射血分数较低,促炎细胞因子升高,药物强化后收缩压和舒张压降低较小,达到临床控制aTRH的可能性大大降低。较高的变异等位基因分数和功能丧失变异与较差的结果有关。这些结果确定CHIP是aTRH中常见的临床相关生物标志物,并表明靶向CHIP相关炎症可以改善降压治疗的疗效和结果。
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引用次数: 0
Dissecting the genetic and proteomic risk factors for delirium 剖析谵妄的遗传和蛋白质组学危险因素。
IF 19.4 Q1 CELL BIOLOGY Pub Date : 2025-11-24 DOI: 10.1038/s43587-025-01018-6
Vasilis Raptis, Youngjune Bhak, Timothy I. Cannings, Alasdair M. J. MacLullich, Albert Tenesa
Delirium is an acute change in cognition, common in hospitalized older adults, and associated with high healthcare and human cost; however, delirium’s genetic and proteomic background remains poorly understood. Here we conducted a genetic meta-analysis on delirium using multi-ancestry data from the UK Biobank, FinnGen, All of Us Research Program and Michigan Genomics Initiative cohorts (n = 1,059,130; 11,931 cases), yielding the Apolipoprotein E (APOE) gene as a strong delirium risk factor independently of dementia. A multi-trait analysis of delirium with Alzheimer disease identified five delirium genetic risk loci. Plasma proteins associated with up to 16-year incident delirium in UK Biobank (n = 32,652; 541 cases) revealed protein biomarkers implicating brain vulnerability, inflammation and immune response processes. Incorporating proteomic and genetic evidence via Mendelian randomization, colocalization and druggability analyses, we indicate potentially useful drug target proteins for delirium. Combining proteins, APOE-ε4 status and demographics significantly improved incident delirium prediction compared to demographics alone. Our results provide insight into delirium’s etiology and may guide further research on clinically relevant biomarkers. Delirium is a sudden change in mental function that is common in hospitalized older adults. To better understand this serious condition, Raptis et al. analyze large-scale genetic and proteomic datasets. They provide evidence that APOE-ε4 increases the risk for delirium independently of dementia, and highlight potentially clinically relevant plasma proteins.
谵妄是一种急性认知改变,常见于住院老年人,与高医疗保健和人力成本相关;然而,谵妄的遗传和蛋白质组学背景仍然知之甚少。在这里,我们使用来自英国生物银行、FinnGen、All of Us Research Program和Michigan Genomics Initiative队列的多祖先数据进行了一项关于谵妄的遗传荟萃分析(n = 1,059,130; 11,931例),得出载脂蛋白E (APOE)基因是独立于痴呆的谵妄危险因素。一项对谵妄合并阿尔茨海默病的多性状分析确定了5个谵妄遗传风险位点。在UK Biobank (n = 32,652; 541例)中,血浆蛋白与长达16年的谵妄事件相关,揭示了涉及大脑易感性、炎症和免疫反应过程的蛋白质生物标志物。通过孟德尔随机化、共定位和药物分析,结合蛋白质组学和遗传学证据,我们指出了谵妄可能有用的药物靶蛋白。结合蛋白质、APOE-ε4状态和人口统计学,与单独的人口统计学相比,显著提高了谵妄事件的预测。我们的研究结果提供了对谵妄病因的深入了解,并可能指导临床相关生物标志物的进一步研究。
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引用次数: 0
Author Correction: Loss of MFE-2 impairs microglial lipid homeostasis and drives neuroinflammation in Alzheimer’s pathogenesis 作者更正:在阿尔茨海默病的发病机制中,MFE-2的缺失会损害小胶质细胞脂质稳态并驱动神经炎症。
IF 19.4 Q1 CELL BIOLOGY Pub Date : 2025-11-24 DOI: 10.1038/s43587-025-01040-8
Min Gao, Jing Bai, Fangzhou Lou, Yang Sun, Zhikai Wang, Xiaojie Cai, Yan Li, Fengjiao Zhang, Jihuan Liang, Xiangxiao Li, Yue Wu, Ziyang Zhang, Li Fan, Xinping Jin, Honglin Wang
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引用次数: 0
Targeting RhoA nuclear mechanoactivity rejuvenates aged hematopoietic stem cells 靶向RhoA核机械活性使衰老的造血干细胞恢复活力。
IF 19.4 Q1 CELL BIOLOGY Pub Date : 2025-11-24 DOI: 10.1038/s43587-025-01014-w
Eva Mejía-Ramírez, Pablo Iáñez Picazo, Barbara Walter, Sara Montserrat-Vazquez, Francesco Affuso, Stefan Wieser, Fabio Pezzano, Loïc Reymond, Jorge Castillo-Robles, Francesca Matteini, Loris Mularoni, Dídac Maciá, Ángel Raya, Verena Ruprecht, Yi Zheng, Paula Petrone, M. Carolina Florian
Biomechanical alterations contribute to the decreased regenerative capacity of hematopoietic stem cells (HSCs) upon aging. RhoA is a key regulator of mechanosignaling, but its role in mechanotransduction in stem cell aging remains unclear. Here we show that murine HSCs respond to increased nuclear envelope (NE) tension by inducing NE translocation of P-cPLA2, which cell-intrinsically activates RhoA. Aged HSCs experience physiologically higher intrinsic NE tension, but reducing RhoA activity lowers NE tension in aged HSCs. Feature image analysis of HSC nuclei reveals that chromatin remodeling is associated with RhoA inhibition, including restoration of youthful levels of the heterochromatin marker H3K9me2 and a decrease in chromatin accessibility and transcription at retrotransposons. Finally, we demonstrate that RhoA inhibition upregulates Klf4 expression and transcriptional activity, improving aged HSC regenerative capacity and lympho/myeloid skewing in vivo. Together, our data outline an intrinsic RhoA-dependent mechanosignaling axis, which can be pharmacologically targeted to restore aged stem cell function. Mejía-Ramírez, Iáñez Picazo, Walter et al. explore how nuclear biomechanical changes limit the regenerative capacity of aged hematopoietic stem cells and show that targeting RhoA rejuvenates aged hematopoietic stem cells by reducing nuclear envelope tension and remodeling nuclear architecture.
生物力学改变导致造血干细胞(hsc)在衰老过程中再生能力下降。RhoA是机械信号的关键调节因子,但其在干细胞衰老的机械转导中的作用尚不清楚。在这里,我们发现小鼠造血干细胞通过诱导P-cPLA2的NE易位来响应增加的核膜(NE)张力,而P-cPLA2在细胞内激活RhoA。衰老的hsc经历生理上更高的内禀NE张力,但减少RhoA活性会降低衰老hsc的NE张力。HSC细胞核的特征图像分析显示,染色质重塑与RhoA抑制有关,包括恢复年轻时异染色质标记物H3K9me2的水平,以及染色质可及性和反转录转座子转录的减少。最后,我们证明RhoA抑制上调Klf4的表达和转录活性,提高衰老HSC的再生能力和体内淋巴/髓细胞歪斜。总之,我们的数据概述了一个内在的rhoa依赖的机械信号轴,它可以在药理学上靶向恢复衰老的干细胞功能。
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引用次数: 0
Reprogramming the GRHL2−CDK19 axis by gene therapy alleviates prostate aging 通过基因疗法重编程GRHL2-CDK19轴可缓解前列腺衰老。
IF 19.4 Q1 CELL BIOLOGY Pub Date : 2025-11-20 DOI: 10.1038/s43587-025-01020-y
Guoqiang Sun, Zan He, Dongliang Lv, Qiaoran Wang, Gang Xu, Feifei Liu, Peiyu Wang, Bilan Luo, Yandong Zheng, Jinghao Hu, Shuhui Sun, Shuai Ma, Concepcion Rodriguez Esteban, Jiayin Yang, Xiaobing Fu, Juan Carlos Izpisua Belmonte, Weiqi Zhang, Jing Qu, Si Wang, Guang-Hui Liu
The prostate is a multifunctional organ of the male reproductive system whose aging process impairs sexual and urinary function and fertility and increases disease susceptibility, thereby compromising quality of life. However, the mechanisms underlying human prostate aging remain poorly understood. Here we integrated single-nucleus transcriptomics and histological analyses to elucidate the aging mechanisms of the primate prostate. We identified epithelial cell senescence, chronic inflammation and fibrosis as key hallmarks of prostate aging. In young epithelial cells, GRHL2 promotes CDK19 transcription, which sequesters p53, leading to the suppression of p21Waf1/Cip1. Aging-related downregulation of GRHL2 releases p53 from the CDK19−p53 complex, activating p21Waf1/Cip1 transcription and inducing cell senescence. Accordingly, a single injection of a GRHL2-based gene therapy strategy delayed prostate aging and alleviated age-related urinary dysfunction in vivo. Our findings elucidate key mechanisms of primate prostate aging and provide a foundation for developing therapies targeting prostate aging and associated pathologies. The prostate is an important part of the male reproductive system whose aging process is incompletely understood. Sun et al. identify GRHL2 downregulation as a driver of prostate aging. They show that GRHL2 transactivates CDK19 to inhibit p53−p21 signaling and demonstrate that GRHL2 gene therapy alleviates age-related urinary dysfunction in mice.
前列腺是男性生殖系统的多功能器官,其衰老过程会损害性功能、泌尿功能和生育能力,增加疾病易感性,从而影响生活质量。然而,人类前列腺衰老的机制仍然知之甚少。在这里,我们结合单核转录组学和组织学分析来阐明灵长类动物前列腺的衰老机制。我们发现上皮细胞衰老、慢性炎症和纤维化是前列腺衰老的关键标志。在年轻的上皮细胞中,GRHL2促进CDK19转录,从而隔离p53,导致p21Waf1/Cip1的抑制。衰老相关的GRHL2下调会从CDK19-p53复合体中释放p53,激活p21Waf1/Cip1转录并诱导细胞衰老。因此,单次注射基于grhl2的基因治疗策略可以延缓前列腺衰老,缓解体内与年龄相关的泌尿功能障碍。我们的研究结果阐明了灵长类动物前列腺衰老的关键机制,并为开发针对前列腺衰老和相关病理的治疗提供了基础。
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引用次数: 0
Proteogenomics in cerebrospinal fluid and plasma reveals new biological fingerprint of cerebral small vessel disease 脑脊液和血浆蛋白质基因组学揭示了脑血管病新的生物指纹。
IF 19.4 Q1 CELL BIOLOGY Pub Date : 2025-11-20 DOI: 10.1038/s43587-025-01006-w
Ilana Caro, Daniel Western, Shinichi Namba, Na Sun, Shuji Kawaguchi, Yunye He, Masashi Fujita, Gennady Roshchupkin, Tim D’Aoust, Marie-Gabrielle Duperron, Muralidharan Sargurupremraj, Ami Tsuchida, Masaru Koido, Marziehsadat Ahmadi, Chengran Yang, Jigyasha Timsina, Laura Ibanez, Koichi Matsuda, Yutaka Suzuki, Yoshiya Oda, Akinori Kanai, Pouria Jandaghi, Markus Munter, Daniel Auld, Iana Astafeva, Raquel Puerta, Jerome I. Rotter, Bruce M. Psaty, Joshua C. Bis, WT Longstreth Jr, Thierry Couffinhal, Pablo García-González, Vanesa Pytel, Marta Marquié, Amanda Cano, Mercè Boada, Marc Joliot, Mark Lathrop, Quentin Le Grand, Lenore J. Launer, Joanna M. Wardlaw, Myriam Heiman, Agustin Ruiz, Paul M. Matthews, Sudha Seshadri, Myriam Fornage, Hieab Adams, Aniket Mishra, David-Alexandre Trégouët, Yukinori Okada, Manolis Kellis, Philip L. De Jager, Christophe Tzourio, Yoichiro Kamatani, Fumihiko Matsuda, Carlos Cruchaga, Stéphanie Debette
Cerebral small vessel disease (cSVD) is a leading cause of stroke and dementia with no specific treatment, of which molecular mechanisms remain poorly understood. To identify potential biomarkers and therapeutic targets, we applied Mendelian randomization to examine over 2,500 proteins measured in plasma and, uniquely, cerebrospinal fluid, in relation to magnetic resonance imaging (MRI) markers of cSVD in more than 40,000 individuals. Here we show that 49 proteins are associated with MRI markers of cSVD, most prominently in cerebrospinal fluid. We highlight associations that are consistent across platforms and ancestries, and supported by complementary observational analyses, and we explore differences between fluids. The proteins are enriched in pathways related to the extracellular matrix, immune response and microglial activity. Many also associate with stroke and dementia, and several correspond to existing drug targets. Together, these findings reveal a robust biological fingerprint of cSVD and highlight opportunities for biomarker and drug discovery and repositioning. By integrating large-scale genomic and proteomic data in cerebrospinal fluid and plasma, the authors identify 49 proteins linked to MRI markers of cerebral small vessel disease, highlighting extracellular matrix and immune pathways, with biomarker and therapeutic potential.
脑血管病(cSVD)是脑卒中和痴呆的主要病因,目前尚无特异性治疗方法,其分子机制尚不清楚。为了确定潜在的生物标志物和治疗靶点,我们应用孟德尔随机化方法检查了40000多人的血浆和脑脊液中测量的2500多种蛋白质与cSVD的磁共振成像(MRI)标志物的关系。在这里,我们发现49种蛋白质与cSVD的MRI标志物相关,最显著的是在脑脊液中。我们强调了在不同平台和血统之间一致的关联,并得到了互补观察分析的支持,我们探索了流体之间的差异。这些蛋白在与细胞外基质、免疫反应和小胶质细胞活性相关的途径中富集。许多还与中风和痴呆有关,其中一些与现有的药物靶点相对应。总之,这些发现揭示了cSVD的强大生物指纹,并突出了生物标志物和药物发现和重新定位的机会。
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引用次数: 0
Author Correction: A blood-based DNA damage signature in patients with Parkinson’s disease is associated with disease progression 作者更正:帕金森病患者的血液DNA损伤特征与疾病进展有关。
IF 19.4 Q1 CELL BIOLOGY Pub Date : 2025-11-19 DOI: 10.1038/s43587-025-01037-3
Daisy Sproviero, César Payán-Gómez, Chiara Milanese, Sander Barnhoorn, Shixiang Sun, Akos Gyenis, Domenico Delia, Tammaryn Lashley, Jan H. J. Hoeijmakers, Jan Vijg, Pier G. Mastroberardino
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引用次数: 0
The Vatican City Declaration on Global Aging advocates advancing inclusive and productive futures for all 《全球老龄化问题梵蒂冈城宣言》倡导为所有人推进包容和富有成效的未来。
IF 19.4 Q1 CELL BIOLOGY Pub Date : 2025-11-19 DOI: 10.1038/s43587-025-00998-9
Myechia Minter-Jordan, Vincenzo Paglia
On 9–10 May 2025, AARP, the Pontifical Academy for Life, the Età Grande Foundation, and the Franciscus Memorial co-organized a symposium in the Vatican on the global trend of population aging and the importance of ensuring the dignity, purpose, inclusion and well-being of older adults in the face of aging societies. A summary of this symposium is presented here alongside the declaration of pledges for global aging initiatives that was signed at the event.
2025年5月9日至10日,美国退休人员协会(AARP)、宗座生命学院(Pontifical Academy for Life)、et Grande基金会和方济各纪念馆在梵蒂冈共同举办了一场研讨会,讨论人口老龄化的全球趋势,以及在老龄化社会中确保老年人尊严、目标、包容和福祉的重要性。本次研讨会的摘要在此连同会议上签署的全球老龄化倡议认捐宣言一并提交。
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引用次数: 0
Single-cell analysis of the somatic mutational landscape in human chondrocytes during aging and in osteoarthritis 衰老和骨关节炎过程中人类软骨细胞体细胞突变景观的单细胞分析。
IF 19.4 Q1 CELL BIOLOGY Pub Date : 2025-11-17 DOI: 10.1038/s43587-025-01011-z
Peijun Ren, Chen Zheng, Yidan Pang, Yu Qiang, Shixiang Sun, Qiyang Wang, Wanxing Xu, Moonsook Lee, Zhenzhen Lu, Min Zhou, Jian He, Ningning Liu, Alexander Y. Maslov, Xiao Dong, Changqing Zhang, Junjie Gao, Jan Vijg
Somatic mutation is now recognized as a cause of multiple human diseases other than cancer. Osteoarthritis (OA), a highly prevalent age-related disease, has been associated with increased chromosomal abnormalities in articular cartilage. Here we characterize the somatic mutational landscape of chondrocytes during normal aging and in affected cartilage of patients with OA. We used single-cell whole-genome sequencing to analyze single-nucleotide variants (SNVs) and small insertions and deletions (InDels) in 100 chondrocytes isolated from the cartilage of hip femoral heads of 17 research participants aged 26−90 years, including 9 patients with OA and 8 non-OA donors. Both SNVs and InDels accumulate with age in chondrocytes with a clock-like mutational signature. Surprisingly, the age-related accumulation rate in OA chondrocytes is lower than that in non-OA control chondrocytes. Differences in mutational signatures and Gene Ontology term enrichment were found between OA and non-OA control samples. In this study, to understand the role of somatic mutation in the pathogenesis of OA, we characterized somatic SNV and InDel mutations. With further progress in analytical approaches, structural variations in the chondrocyte genome are also expected to provide valuable information. Somatic mutations accumulate with age and have been linked to functional decline and disease. Single-cell analysis of human cartilage samples from donors with and without osteoarthritis shows that somatic mutations accumulate with age, but, in osteoarthritis, they show distinct mutational patterns and slower accumulation, possibly due to DNA-damage-induced chondrocyte death.
体细胞突变现在被认为是癌症以外的多种人类疾病的原因。骨关节炎(OA)是一种高度流行的与年龄相关的疾病,与关节软骨染色体异常增加有关。在这里,我们描述了骨性关节炎患者正常衰老过程中和受影响软骨中软骨细胞的体细胞突变景观。我们使用单细胞全基因组测序分析了从17名26-90岁的研究参与者(包括9名OA患者和8名非OA供者)髋股骨头软骨中分离的100个软骨细胞中的单核苷酸变异(SNVs)和小插入和缺失(InDels)。snv和indel都随年龄在软骨细胞中积累,具有时钟样的突变特征。令人惊讶的是,骨性关节炎软骨细胞中与年龄相关的积累率低于非骨性关节炎对照软骨细胞。OA和非OA对照样品在突变特征和基因本体术语富集方面存在差异。在本研究中,为了了解体细胞突变在OA发病机制中的作用,我们对体细胞SNV和InDel突变进行了表征。随着分析方法的进一步发展,软骨细胞基因组的结构变异也有望提供有价值的信息。
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引用次数: 0
Age distinguishes breast cancer cellular and molecular profiles 年龄区分乳腺癌的细胞和分子特征。
IF 19.4 Q1 CELL BIOLOGY Pub Date : 2025-11-17 DOI: 10.1038/s43587-025-01036-4
Poor outcomes in both young and older patients with breast cancer have lacked a clear biological explanation. An analytic framework with experimental validation reveals age-associated molecular landscapes, which offers insight into age-dependent cancer biology and potential avenues for identifying therapeutic targets.
年轻和老年乳腺癌患者的不良预后一直缺乏明确的生物学解释。一个具有实验验证的分析框架揭示了与年龄相关的分子景观,这为年龄依赖性癌症生物学和确定治疗靶点的潜在途径提供了见解。
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引用次数: 0
期刊
Nature aging
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