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Single-nucleus transcriptomic landscape of primate hippocampal aging

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收录情况: ◇ SCIE ◇ 统计源期刊 ◇ CSCD-C ◇ 卓越:梯队期刊

机构: [1]State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China [2]State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China [3]Advanced Innovation Center for Human Brain Protection, National Clinical Research Center for Geriatric Disorders, Xuanwu Hospital Capital Medical University, Beijing 100053, China [4]CAS Key Laboratory of Genomic and Precision Medicine, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China [5]Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing 100101, China [6]University of Chinese Academy of Sciences, Beijing 100049, China [7]China National Center for Bioinformation, Beijing 100101, China [8]Aging Translational Medicine Center, Xuanwu Hospital, Capital Medical University, Beijing 100053, China [9]Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing 100053, China [10]Sino-Danish College, University of Chinese Academy of Sciences, Beijing 101408, China [11]Sino-Danish Center for Education and Research, Beijing 101408, China [12]Department of Obstetrics and Gynecology, Center for Reproductive Medicine, Peking University Third Hospital, Beijing 100191, China [13]Beijing Institute for Stem Cell and Regenerative Medicine, Beijing 100101, China [14]Stem Cell Research Center, Peking University Third Hospital, Beijing 100191, China [15]Gene Expression Laboratory, Salk Institute for Biological Studies, La Jolla, CA, USA
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关键词: aging hippocampus primate single-cell RNA sequencing

摘要:
The hippocampus plays a crucial role in learning and memory, and its progressive deterioration with age is functionally linked to a variety of human neurodegenerative diseases. Yet a systematic profiling of the aging effects on various hippocampal cell types in primates is still missing. Here, we reported a variety of new aging-associated phenotypic changes of the primate hippocampus. These include, in particular, increased DNA damage and heterochromatin erosion with time, alongside loss of proteostasis and elevated inflammation. To understand their cellular and molecular causes, we established the first single-nucleus transcriptomic atlas of primate hippocampal aging. Among the 12 identified cell types, neural transiently amplifying progenitor cell (TAPC) and microglia were most affected by aging. In-depth dissection of gene-expression dynamics revealed impaired TAPC division and compromised neuronal function along the neurogenesis trajectory; additionally elevated pro-inflammatory responses in the aged microglia and oligodendrocyte, as well as dysregulated coagulation pathways in the aged endothelial cells may contribute to a hostile microenvironment for neurogenesis. This rich resource for understanding primate hippocampal aging may provide potential diagnostic biomarkers and therapeutic interventions against age-related neurodegenerative diseases.

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出版当年[2020]版:
大类 | 1 区 生物
小类 | 1 区 细胞生物学
最新[2023]版:
大类 | 1 区 生物学
小类 | 2 区 细胞生物学
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出版当年[2019]版:
Q1 CELL BIOLOGY
最新[2023]版:
Q1 CELL BIOLOGY

影响因子: 最新[2023版] 最新五年平均 出版当年[2019版] 出版当年五年平均 出版前一年[2018版] 出版后一年[2020版]

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第一作者机构: [1]State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China [6]University of Chinese Academy of Sciences, Beijing 100049, China
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通讯机构: [1]State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China [2]State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China [3]Advanced Innovation Center for Human Brain Protection, National Clinical Research Center for Geriatric Disorders, Xuanwu Hospital Capital Medical University, Beijing 100053, China [5]Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing 100101, China [6]University of Chinese Academy of Sciences, Beijing 100049, China [8]Aging Translational Medicine Center, Xuanwu Hospital, Capital Medical University, Beijing 100053, China [13]Beijing Institute for Stem Cell and Regenerative Medicine, Beijing 100101, China
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