Nature agingPub Date : 2025-09-17DOI: 10.1038/s43587-025-00974-3
Andrew Nguyen, Philip M Lee, Edward K Rodriguez, Lewis Lipsitz, Karen Chahal, Ara Nazarian
{"title":"A phase-of-care approach to improve geriatric fracture care.","authors":"Andrew Nguyen, Philip M Lee, Edward K Rodriguez, Lewis Lipsitz, Karen Chahal, Ara Nazarian","doi":"10.1038/s43587-025-00974-3","DOIUrl":"https://doi.org/10.1038/s43587-025-00974-3","url":null,"abstract":"","PeriodicalId":94150,"journal":{"name":"Nature aging","volume":" ","pages":""},"PeriodicalIF":19.4,"publicationDate":"2025-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145082871","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nature agingPub Date : 2025-09-15DOI: 10.1038/s43587-025-00958-3
Raghav Sehgal, Yaroslav Markov, Chenxi Qin, Margarita Meer, Courtney Hadley, Aladdin H. Shadyab, Ramon Casanova, JoAnn E. Manson, Parveen Bhatti, Ann Z. Moore, Eileen M. Crimmins, Sara Hagg, Themistocles L. Assimes, Eric A. Whitsel, Albert T. Higgins-Chen, Morgan Levine
{"title":"Systems Age: a single blood methylation test to quantify aging heterogeneity across 11 physiological systems","authors":"Raghav Sehgal, Yaroslav Markov, Chenxi Qin, Margarita Meer, Courtney Hadley, Aladdin H. Shadyab, Ramon Casanova, JoAnn E. Manson, Parveen Bhatti, Ann Z. Moore, Eileen M. Crimmins, Sara Hagg, Themistocles L. Assimes, Eric A. Whitsel, Albert T. Higgins-Chen, Morgan Levine","doi":"10.1038/s43587-025-00958-3","DOIUrl":"10.1038/s43587-025-00958-3","url":null,"abstract":"Aging occurs at different rates across individuals and physiological systems, but most epigenetic clocks provide a single age estimate, overlooking within-person variation. Here we developed systems-based DNA methylation clocks that measure aging in 11 distinct physiological systems—Heart, Lung, Kidney, Liver, Brain, Immune, Inflammatory, Blood, Musculoskeletal, Hormone and Metabolic—using data from a single blood draw. By integrating supervised and unsupervised machine learning with clinical biomarkers, functional assessments and mortality risk, we derived system-specific scores that outperformed existing global clocks in predicting relevant diseases and aging phenotypes. We also created a composite Systems Age score to capture overall multisystem aging. Clustering individuals based on these scores revealed distinct biological aging subtypes, each associated with unique patterns of health decline and disease risk. This framework enables a more granular and clinically relevant assessment of biological aging and may support personalized approaches to monitor and target system-specific aging processes. Sehgal et al. report Systems Age as a framework to capture within-person heterogeneity in aging using a single blood-based epigenetic assay that measures aging across 11 body systems and identifies aging subtypes, enabling personalized prediction of disease risk and tailoring of longevity interventions.","PeriodicalId":94150,"journal":{"name":"Nature aging","volume":"5 9","pages":"1880-1896"},"PeriodicalIF":19.4,"publicationDate":"2025-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145071481","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nature agingPub Date : 2025-09-15DOI: 10.1038/s43587-025-00959-2
{"title":"A blood DNA methylation test reveals how quickly each organ system is aging","authors":"","doi":"10.1038/s43587-025-00959-2","DOIUrl":"10.1038/s43587-025-00959-2","url":null,"abstract":"We developed a single blood-based methylation test that estimates biological aging across 11 physiological systems. This multisystem measure predicts mortality and health outcomes more precisely than existing epigenetic clocks, and reveals distinct aging patterns that could guide personalized gerotherapeutic and geroprotective interventions.","PeriodicalId":94150,"journal":{"name":"Nature aging","volume":"5 9","pages":"1665-1666"},"PeriodicalIF":19.4,"publicationDate":"2025-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145071401","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nature agingPub Date : 2025-09-11DOI: 10.1038/s43587-025-00969-0
Felipe Sierra
{"title":"Are we getting closer to understanding why we age?","authors":"Felipe Sierra","doi":"10.1038/s43587-025-00969-0","DOIUrl":"https://doi.org/10.1038/s43587-025-00969-0","url":null,"abstract":"","PeriodicalId":94150,"journal":{"name":"Nature aging","volume":" ","pages":""},"PeriodicalIF":19.4,"publicationDate":"2025-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145042728","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nature agingPub Date : 2025-09-10DOI: 10.1038/s43587-025-00967-2
Sonu Bhaskar
{"title":"Population aging in Japan offers a warning and a template for action.","authors":"Sonu Bhaskar","doi":"10.1038/s43587-025-00967-2","DOIUrl":"https://doi.org/10.1038/s43587-025-00967-2","url":null,"abstract":"","PeriodicalId":94150,"journal":{"name":"Nature aging","volume":" ","pages":""},"PeriodicalIF":19.4,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145035076","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Senescent-like border-associated macrophages regulate cognitive aging via migrasome-mediated induction of paracrine senescence in microglia.","authors":"Mengyan Hu, Xinmei Kang, Zhiruo Liu, Shisi Wang, Sanxin Liu, Chunyi Li, Danli Lu, Qin Qin, Yuxin Liu, Haotong Yi, Liling Yuan, Quentin Liu, Zhengqi Lu, Wei Cai","doi":"10.1038/s43587-025-00956-5","DOIUrl":"10.1038/s43587-025-00956-5","url":null,"abstract":"<p><p>Aging is a major risk factor for various neurological disorders, including Alzheimer's disease, and is associated with the accumulation of senescent cells, which can themselves propagate the senescence process through paracrine signaling. Migrasomes are organelles that form during cellular migration, detach from parent cells and mediate intercellular communication. Here we demonstrate that border-associated macrophages (BAMs) acquire senescence-associated properties during early brain aging, possibly due to prolonged exposure to amyloid beta. Senescent-like BAMs show elevated production of migrasomes, which convey senescence-associated signals including the apoptosis inhibitor of macrophage to neighboring cells. We show that microglia are prominent recipients of senescent-like BAM-derived migrasomes, and that through activation of CD16 in recipient cells, the apoptosis inhibitor of macrophage inhibits apoptosis and promotes senescence induction. Blocking migrasome induction in senescent-like BAMs through treatment with Tspan4-targeting siRNA-encapsulated liposomes ameliorates cognitive deficits in aged mice. Our findings suggest that migrasomes are potent vehicles of senescence-regulatory signals and represent a promising target for senomorphic therapy.</p>","PeriodicalId":94150,"journal":{"name":"Nature aging","volume":" ","pages":""},"PeriodicalIF":19.4,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145035099","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nature agingPub Date : 2025-09-10DOI: 10.1038/s43587-025-00965-4
Shiva Afshar, Eric B Dammer, Shijia Bian, David A Bennett, Richard Mohs, Doug Beauregard, John Dwyer, Chadwick M Hales, Felicia C Goldstein, Monica W Parker, Antoine R Trammell, Caroline M Watson, Todd E Golde, Nicholas T Seyfried, Blaine R Roberts, Cecelia M Manzanares, James J Lah, Allan I Levey, Erik C B Johnson
{"title":"Plasma proteomic associations with Alzheimer's disease endophenotypes.","authors":"Shiva Afshar, Eric B Dammer, Shijia Bian, David A Bennett, Richard Mohs, Doug Beauregard, John Dwyer, Chadwick M Hales, Felicia C Goldstein, Monica W Parker, Antoine R Trammell, Caroline M Watson, Todd E Golde, Nicholas T Seyfried, Blaine R Roberts, Cecelia M Manzanares, James J Lah, Allan I Levey, Erik C B Johnson","doi":"10.1038/s43587-025-00965-4","DOIUrl":"https://doi.org/10.1038/s43587-025-00965-4","url":null,"abstract":"<p><p>Clinical Alzheimer's disease is currently characterized by cerebral β-amyloidosis associated with cognitive impairment. However, most cases of Alzheimer's disease are associated with multiple neuropathologies at autopsy. The peripheral protein changes associated with these disease endophenotypes are poorly understood. In this study, we analyzed the plasma proteomes of individuals from four cohorts (n = 2,139 participants) to identify proteins and pathways associated with cerebral β-amyloidosis and other neuropathologies, including tau, Lewy bodies, TDP43, cerebral amyloid angiopathy, atherosclerosis, arteriolosclerosis and infarcts as well as cognitive function. Analyses in a cohort with paired brain data showed that known neuropathologies could account for only half of proteins associated with cognitive function and that many plasma proteins associated with these neuropathologies are not strongly correlated to levels in brain, suggesting a potential contribution of peripheral factors to the development of Alzheimer's disease endophenotypes. Targeting pathways represented by these peripheral proteins may modify Alzheimer's disease risk or disease progression.</p>","PeriodicalId":94150,"journal":{"name":"Nature aging","volume":" ","pages":""},"PeriodicalIF":19.4,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145034995","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nature agingPub Date : 2025-09-10DOI: 10.1038/s43587-025-00942-x
Yan Bai, Tengfei Ma, Shan Zhao, Shalan Li, Xin Wang, Jingyang Li, Wenhao Sun, Yang Yang, Fenglian Liu, Qian Shan, Zizhen Qin, Nan Liu, Jie Zhang, Fei Tian, Mei Duan, Shunkai Chen, Fan Lai, Qingfeng Chen, Xuna Wu, Chonglin Yang
{"title":"Mitochondria-associated condensates maintain mitochondrial homeostasis and promote lifespan.","authors":"Yan Bai, Tengfei Ma, Shan Zhao, Shalan Li, Xin Wang, Jingyang Li, Wenhao Sun, Yang Yang, Fenglian Liu, Qian Shan, Zizhen Qin, Nan Liu, Jie Zhang, Fei Tian, Mei Duan, Shunkai Chen, Fan Lai, Qingfeng Chen, Xuna Wu, Chonglin Yang","doi":"10.1038/s43587-025-00942-x","DOIUrl":"10.1038/s43587-025-00942-x","url":null,"abstract":"<p><p>Membraneless organelles assembled by liquid-liquid phase separation interact with diverse membranous organelles to regulate distinct cellular processes. It remains unknown how membraneless organelles are engaged in mitochondrial homeostasis. Here we demonstrate that mitochondria-associated translation organelles (MATOs) mediate local synthesis of proteins required for structural and functional maintenance of mitochondria. In Caenorhabditis elegans, the RNA-binding protein LARP-1 (La-related protein 1) orchestrates coalescence of translation machinery and multiple RNA-binding proteins via liquid-liquid phase separation into MATOs that associate with mitochondria in a translocase of the outer membrane complex-dependent manner. LARP-1 deficiency markedly reduces mitochondrial protein levels, impairing cristae organization and ATP production. Specifically, we show that the membrane-shaping MICOS subunit IMMT-1(MIC60) and the ATP synthase β subunit ATP-2, both being important for cristae organization, are synthesized in LARP-1 MATOs. During aging and starvation, LARP-1 MATOs dissociate from mitochondria; however, mitochondrion-persistent LARP-1 MATOs protect mitochondrial health and greatly extend lifespan. These findings suggest an important mitochondrion-regulating mechanism in aging and stress.</p>","PeriodicalId":94150,"journal":{"name":"Nature aging","volume":" ","pages":""},"PeriodicalIF":19.4,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145034982","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}