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KLRG1 identifies regulatory T cells with mitochondrial alterations that accumulate with aging. KLRG1识别随年龄增长而积累线粒体改变的调节性T细胞。
IF 17
Nature aging Pub Date : 2025-05-01 Epub Date: 2025-04-30 DOI: 10.1038/s43587-025-00855-9
Gonzalo Soto-Heredero, Enrique Gabandé-Rodríguez, Elisa Carrasco, José Ignacio Escrig-Larena, Manuel M Gómez de Las Heras, Sandra Delgado-Pulido, Isaac Francos-Quijorna, Eva M Blanco, Álvaro Fernández-Almeida, David Abia, María Josefa Rodríguez, Cristina M Fernández-Díaz, María Beatriz Álvarez-Flores, Ana Ramírez de Molina, Sascha Jung, Antonio Del Sol, Virginia Zorita, Fátima Sánchez-Cabo, Carlos Torroja, María Mittelbrunn
{"title":"KLRG1 identifies regulatory T cells with mitochondrial alterations that accumulate with aging.","authors":"Gonzalo Soto-Heredero, Enrique Gabandé-Rodríguez, Elisa Carrasco, José Ignacio Escrig-Larena, Manuel M Gómez de Las Heras, Sandra Delgado-Pulido, Isaac Francos-Quijorna, Eva M Blanco, Álvaro Fernández-Almeida, David Abia, María Josefa Rodríguez, Cristina M Fernández-Díaz, María Beatriz Álvarez-Flores, Ana Ramírez de Molina, Sascha Jung, Antonio Del Sol, Virginia Zorita, Fátima Sánchez-Cabo, Carlos Torroja, María Mittelbrunn","doi":"10.1038/s43587-025-00855-9","DOIUrl":"10.1038/s43587-025-00855-9","url":null,"abstract":"<p><p>Recent studies using single-cell RNA sequencing technology have uncovered several subpopulations of CD4<sup>+</sup> T cells that accumulate with aging. These age-associated T cells are emerging as relevant players in the onset of inflammaging and tissue senescence. Here, based on information provided by single-cell RNA sequencing data, we present a flow cytometry panel that allows the identification of age-associated T cell subsets in systematic larger analysis in mice. We use this panel to evaluate at the single-cell level mitochondrial and senescence marks in the different age-associated CD4<sup>+</sup> T cell subpopulations. Our analysis identifies a subpopulation of regulatory T (T<sub>reg</sub>) cells that is characterized by the extracellular expression of the co-inhibitory molecule killer cell lectin-like receptor subfamily G member 1 (KLRG1) and accumulates with aging in humans and mice. KLRG1-expressing T<sub>reg</sub> cells display senescence features such as mitochondrial alterations, increased expression of cell-cycle regulators and genomic DNA damage. Functionally, KLRG1<sup>+</sup> T<sub>reg</sub> cells show a reduced suppressive activity in vivo accompanied by a pro-inflammatory phenotype.</p>","PeriodicalId":94150,"journal":{"name":"Nature aging","volume":" ","pages":"799-815"},"PeriodicalIF":17.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12092250/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143995863","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pre-symptomatic Parkinson's disease blood test quantifying repetitive sequence motifs in transfer RNA fragments. 症状前帕金森病血液检测定量重复序列基序在转移RNA片段。
IF 17
Nature aging Pub Date : 2025-05-01 Epub Date: 2025-04-11 DOI: 10.1038/s43587-025-00851-z
Nimrod Madrer, Shani Vaknine-Treidel, Tamara Zorbaz, Yonat Tzur, Estelle R Bennett, Paz Drori, Nitzan Suissa, David S Greenberg, Eitan Lerner, Eyal Soreq, Iddo Paldor, Hermona Soreq
{"title":"Pre-symptomatic Parkinson's disease blood test quantifying repetitive sequence motifs in transfer RNA fragments.","authors":"Nimrod Madrer, Shani Vaknine-Treidel, Tamara Zorbaz, Yonat Tzur, Estelle R Bennett, Paz Drori, Nitzan Suissa, David S Greenberg, Eitan Lerner, Eyal Soreq, Iddo Paldor, Hermona Soreq","doi":"10.1038/s43587-025-00851-z","DOIUrl":"10.1038/s43587-025-00851-z","url":null,"abstract":"<p><p>Early, efficient Parkinson's disease (PD) tests may facilitate pre-symptomatic diagnosis and disease-modifying therapies. Here we report elevated levels of PD-specific transfer RNA fragments carrying a conserved sequence motif (RGTTCRA-tRFs) in the substantia nigra, cerebrospinal fluid and blood of patients with PD. A whole blood qPCR test detecting elevated RGTTCRA-tRFs and reduced mitochondrial-originated tRFs (MT-tRFs) segregated pre-symptomatic patients with PD from controls (area under the receiver operating characteristic curve (ROC-AUC) of 0.75 versus 0.71 based on traditional clinical scoring). Strengthening PD relevance, patients carrying PD-related mutations presented higher blood RGTTCRA-tRFs/MT-tRFs ratios than mutation-carrying non-symptomatic controls, and RGTTCRA-tRF levels decreased in patients' blood after deep brain stimulation. Furthermore, RGTTCRA-tRFs complementarity to ribosomal RNA and the translation-supporting LeuCAG3-tRF might aggravate PD via translational inhibition, as reflected by disrupted ribosomal association of RGTTCRA-tRFs in depolarized neuroblastoma cells. Our findings show tRF involvement in PD and suggest a potential simple and safe blood test that may aid clinicians in pre-symptomatic PD diagnosis after validation in larger independent cohorts.</p>","PeriodicalId":94150,"journal":{"name":"Nature aging","volume":" ","pages":"868-882"},"PeriodicalIF":17.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12092246/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144047552","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Recycling tRNA fragment 'trash' into treasure. 将tRNA片段“垃圾”转化为财富。
IF 17
Nature aging Pub Date : 2025-05-01 DOI: 10.1038/s43587-025-00870-w
Frank A Middleton
{"title":"Recycling tRNA fragment 'trash' into treasure.","authors":"Frank A Middleton","doi":"10.1038/s43587-025-00870-w","DOIUrl":"10.1038/s43587-025-00870-w","url":null,"abstract":"","PeriodicalId":94150,"journal":{"name":"Nature aging","volume":" ","pages":"731-733"},"PeriodicalIF":17.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144048708","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}
引用次数: 0
The effect of ambient air pollution (PM2.5) on dementia risk. 环境空气污染(PM2.5)对痴呆风险的影响。
IF 17
Nature aging Pub Date : 2025-05-01 DOI: 10.1038/s43587-025-00865-7
{"title":"The effect of ambient air pollution (PM<sub>2.5</sub>) on dementia risk.","authors":"","doi":"10.1038/s43587-025-00865-7","DOIUrl":"10.1038/s43587-025-00865-7","url":null,"abstract":"","PeriodicalId":94150,"journal":{"name":"Nature aging","volume":" ","pages":"738-739"},"PeriodicalIF":17.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144061331","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}
引用次数: 0
Aging, regeneration and whole-body rejuvenation in long-lived planarians. 长寿涡虫的衰老、再生和全身年轻化。
IF 17
Nature aging Pub Date : 2025-05-01 DOI: 10.1038/s43587-025-00863-9
{"title":"Aging, regeneration and whole-body rejuvenation in long-lived planarians.","authors":"","doi":"10.1038/s43587-025-00863-9","DOIUrl":"10.1038/s43587-025-00863-9","url":null,"abstract":"","PeriodicalId":94150,"journal":{"name":"Nature aging","volume":" ","pages":"736-737"},"PeriodicalIF":17.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144001052","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}
引用次数: 0
Healthy diets for healthy aging. 健康饮食促进健康老龄化。
IF 17
Nature aging Pub Date : 2025-05-01 DOI: 10.1038/s43587-025-00871-9
Hannah Walters
{"title":"Healthy diets for healthy aging.","authors":"Hannah Walters","doi":"10.1038/s43587-025-00871-9","DOIUrl":"10.1038/s43587-025-00871-9","url":null,"abstract":"","PeriodicalId":94150,"journal":{"name":"Nature aging","volume":" ","pages":"726"},"PeriodicalIF":17.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144048632","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}
引用次数: 0
Valuing caregiving is a prerequisite for the wellbeing economy and mental wealth. 重视照顾是幸福经济和精神财富的先决条件。
IF 17
Nature aging Pub Date : 2025-05-01 DOI: 10.1038/s43587-025-00868-4
Mouna Sawan, Saman Khalatbari-Soltani, Anita van Zwieten, Suraj Samtani, Jo-An Occhipinti, J Jaime Miranda
{"title":"Valuing caregiving is a prerequisite for the wellbeing economy and mental wealth.","authors":"Mouna Sawan, Saman Khalatbari-Soltani, Anita van Zwieten, Suraj Samtani, Jo-An Occhipinti, J Jaime Miranda","doi":"10.1038/s43587-025-00868-4","DOIUrl":"10.1038/s43587-025-00868-4","url":null,"abstract":"","PeriodicalId":94150,"journal":{"name":"Nature aging","volume":" ","pages":"723-725"},"PeriodicalIF":17.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144060756","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}
引用次数: 0
Single-cell and spatial RNA sequencing identify divergent microenvironments and progression signatures in early- versus late-onset prostate cancer. 单细胞和空间RNA测序鉴定早期和晚发性前列腺癌不同的微环境和进展特征。
IF 17
Nature aging Pub Date : 2025-05-01 Epub Date: 2025-04-10 DOI: 10.1038/s43587-025-00842-0
Yifei Cheng, Bingxin Liu, Junyi Xin, Xiaobin Wu, Wenchao Li, Jinwei Shang, Jiajin Wu, Zhengdong Zhang, Bin Xu, Mulong Du, Gong Cheng, Meilin Wang
{"title":"Single-cell and spatial RNA sequencing identify divergent microenvironments and progression signatures in early- versus late-onset prostate cancer.","authors":"Yifei Cheng, Bingxin Liu, Junyi Xin, Xiaobin Wu, Wenchao Li, Jinwei Shang, Jiajin Wu, Zhengdong Zhang, Bin Xu, Mulong Du, Gong Cheng, Meilin Wang","doi":"10.1038/s43587-025-00842-0","DOIUrl":"10.1038/s43587-025-00842-0","url":null,"abstract":"<p><p>The clinical and pathological outcomes differ between early-onset (diagnosed in men ≤55 years of age) and late-onset prostate cancer, potentially attributed to the changes in hormone levels and immune activities associated with aging. Exploring the heterogeneity therein holds potential for developing age-specific precision interventions. Here, through single-cell and spatial transcriptomic analyses of prostate cancer tissues, we identified that an androgen response-related transcriptional meta-program (AR-MP) might underlie the age-related heterogeneity of tumor cells and microenvironment. APOE<sup>+</sup> tumor-associated macrophages infiltrated AR-MP-activated tumor cells in early-onset prostate cancer, potentially facilitating tumor progression and immunosuppression. By contrast, inflammatory cancer-associated fibroblasts in late-onset prostate cancer correlated with downregulation of AR-MP of tumor cells and increased epithelial-to-mesenchymal transition and pre-existing castration resistance, which may also be linked to smoking. This study provides potential insights for tailoring precision treatments by age groups, emphasizing interventions that include targeting AR and tumor-associated macrophages in young patients but anchoring epithelial-to-mesenchymal transition and inflammatory cancer-associated fibroblasts in old counterparts.</p>","PeriodicalId":94150,"journal":{"name":"Nature aging","volume":" ","pages":"909-928"},"PeriodicalIF":17.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144056171","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}
引用次数: 0
The retrotransposon-derived capsid genes PNMA1 and PNMA4 maintain reproductive capacity. 反转录转座子衍生的衣壳基因PNMA1和PNMA4维持生殖能力。
IF 17
Nature aging Pub Date : 2025-05-01 Epub Date: 2025-04-22 DOI: 10.1038/s43587-025-00852-y
Thomas W P Wood, William S Henriques, Harrison B Cullen, Mayra Romero, Cecilia S Blengini, Shreya Sarathy, Julia Sorkin, Hilina Bekele, Chen Jin, Seungsoo Kim, Xifan Wang, Raphaelle Laureau, Alexei Chemiakine, Rishad C Khondker, José V V Isola, Michael B Stout, Vincenzo A Gennarino, Binyam Mogessie, Devanshi Jain, Karen Schindler, Yousin Suh, Blake Wiedenheft, Luke E Berchowitz
{"title":"The retrotransposon-derived capsid genes PNMA1 and PNMA4 maintain reproductive capacity.","authors":"Thomas W P Wood, William S Henriques, Harrison B Cullen, Mayra Romero, Cecilia S Blengini, Shreya Sarathy, Julia Sorkin, Hilina Bekele, Chen Jin, Seungsoo Kim, Xifan Wang, Raphaelle Laureau, Alexei Chemiakine, Rishad C Khondker, José V V Isola, Michael B Stout, Vincenzo A Gennarino, Binyam Mogessie, Devanshi Jain, Karen Schindler, Yousin Suh, Blake Wiedenheft, Luke E Berchowitz","doi":"10.1038/s43587-025-00852-y","DOIUrl":"10.1038/s43587-025-00852-y","url":null,"abstract":"<p><p>Almost half of the human genome consists of retrotransposons-'parasitic' sequences that insert themselves into the host genome via an RNA intermediate. Although most of these sequences are silenced or mutationally deactivated, they can present opportunities for evolutionary innovation: mutation of a deteriorating retrotransposon can result in a gene that provides a selective advantage to the host in a process termed 'domestication'<sup>1-3</sup>. The PNMA family of gag-like capsid genes was domesticated from an ancient vertebrate retrotransposon of the Metaviridae clade at least 100 million years ago<sup>4,5</sup>. PNMA1 and PNMA4 are positively regulated by the master germ cell transcription factors MYBL1 and STRA8, and their transcripts are bound by the translational regulator DAZL during gametogenesis<sup>6</sup>. This developmental regulation of PNMA1 and PNMA4 expression in gonadal tissue suggested to us that they might serve a reproductive function. Through the analysis of donated human ovaries, genome-wide association studies (GWASs) and mouse models, we found that PNMA1 and PNMA4 are necessary for the maintenance of a normal reproductive lifespan. These proteins self-assemble into capsid-like structures that exit human cells, and we observed large PNMA4 particles in mouse male gonadal tissue that contain RNA and are consistent with capsid formation.</p>","PeriodicalId":94150,"journal":{"name":"Nature aging","volume":" ","pages":"765-779"},"PeriodicalIF":17.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12180178/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144056247","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Endometrial aging is accompanied by H3K27ac and PGR loss. 子宫内膜衰老伴随着H3K27ac和PGR的丢失。
IF 17
Nature aging Pub Date : 2025-05-01 Epub Date: 2025-05-20 DOI: 10.1038/s43587-025-00859-5
Yue Wang, Ping Zhou, Hongying Shan, Xiyao Liu, Ming Cheng, Zhenhong Ye, Xiunan Chen, Baoying Liao, Tianliu Peng, Chenxi Xiao, Ziying Huang, Yunshu Dong, Yang Yu, Heng Pan, Rong Li
{"title":"Endometrial aging is accompanied by H3K27ac and PGR loss.","authors":"Yue Wang, Ping Zhou, Hongying Shan, Xiyao Liu, Ming Cheng, Zhenhong Ye, Xiunan Chen, Baoying Liao, Tianliu Peng, Chenxi Xiao, Ziying Huang, Yunshu Dong, Yang Yu, Heng Pan, Rong Li","doi":"10.1038/s43587-025-00859-5","DOIUrl":"10.1038/s43587-025-00859-5","url":null,"abstract":"<p><p>Whether and how endometrial aging affects fertility remains unclear. In our in-house clinical cohort at the Center for Reproductive Medicine of Peking University Third Hospital (n = 1,149), we observed adverse pregnancy outcomes in the middle-aged group after excluding aneuploid embryos, implying the negative impact of endometrial aging on fertility. To understand endometrial aging, we performed comprehensive transcriptomic profiling of the mid-secretory endometrium of young (<35 years) and middle-aged (≥35 years) patients. This analysis revealed that H3K27ac loss is linked to impaired endometrial receptivity in the middle-aged group. We eliminated H3K27ac in young human endometrial stromal cells and observed reduced progesterone receptor (PGR), a critical regulator of endometrial receptivity. Lastly, we validated the association between H3K27ac/PGR loss and uterine aging in a mouse model. Our findings establish H3K27ac as a critical regulator of PGR and demonstrate that endometrial H3K27ac loss is associated with aging-related fertility decline. This work provides valuable insights into enhancing the safety and efficacy of assisted reproductive technologies in future clinical practices.</p>","PeriodicalId":94150,"journal":{"name":"Nature aging","volume":"5 5","pages":"816-830"},"PeriodicalIF":17.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12092264/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144113057","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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