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CD81 Controls Beige Fat Progenitor Cell Growth and Energy Balance via FAK Signaling.

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单位: [1]UCSF Diabetes Center, University of California, San Francisco, San Francisco, CA, USA [2]Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA, USA [3]Department of Cell and Tissue Biology, University of California, San Francisco, San Francisco, CA, USA [4]Beth Israel Deaconess Medical Center, Division of Endocrinology, Diabetes & Metabolism, Harvard Medical School, Boston, MA, USA [5]Department of Medicine and Molecular Pharmacology, Albert Einstein College of Medicine, New York, NY, USA [6]Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA [7]Department of Medicine, University of California, San Francisco, San Francisco, CA, USA [8]Department of Molecular Endocrinology and Metabolism, Tokyo Medical and Dental University, Tokyo, Japan [9]Department of Internal Medicine,Tongji Hospital,Tongji Medical College,Huazhong University of Science and Technology,Wuhan,China [10]Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Osaka, Japan [11]Department of Microbiology and Immunology, University of California, San Francisco, San Francisco, CA, USA [12]Department of Medicine, Lung Biology Center, Cardiovascular Research Institute, University of California, San Francisco, San Francisco, CA, USA
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Adipose tissues dynamically remodel their cellular composition in response to external cues by stimulating beige adipocyte biogenesis; however, the developmental origin and pathways regulating this process remain insufficiently understood owing to adipose tissue heterogeneity. Here, we employed single-cell RNA-seq and identified a unique subset of adipocyte progenitor cells (APCs) that possessed the cell-intrinsic plasticity to give rise to beige fat. This beige APC population is proliferative and marked by cell-surface proteins, including PDGFRα, Sca1, and CD81. Notably, CD81 is not only a beige APC marker but also required for de novo beige fat biogenesis following cold exposure. CD81 forms a complex with αV/β1 and αV/β5 integrins and mediates the activation of integrin-FAK signaling in response to irisin. Importantly, CD81 loss causes diet-induced obesity, insulin resistance, and adipose tissue inflammation. These results suggest that CD81 functions as a key sensor of external inputs and controls beige APC proliferation and whole-body energy homeostasis. Copyright © 2020 Elsevier Inc. All rights reserved.

基金编号: DK97441 DK112268 DK110098 DK110426 P30DK026687 5T32HL007374-38 UL1 TR000004 1-18-PMF-003 2019-D-004-FEL

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出版当年[2019]版:
大类 | 1 区 生物
小类 | 1 区 生化与分子生物学 1 区 细胞生物学
最新[2025]版:
大类 | 1 区 生物学
小类 | 1 区 生化与分子生物学 1 区 细胞生物学
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出版当年[2018]版:
Q1 CELL BIOLOGY Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY
最新[2023]版:
Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY Q1 CELL BIOLOGY

影响因子: 最新[2023版] 最新五年平均 出版当年[2018版] 出版当年五年平均 出版前一年[2017版] 出版后一年[2019版]

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第一作者单位: [1]UCSF Diabetes Center, University of California, San Francisco, San Francisco, CA, USA [2]Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA, USA [3]Department of Cell and Tissue Biology, University of California, San Francisco, San Francisco, CA, USA [4]Beth Israel Deaconess Medical Center, Division of Endocrinology, Diabetes & Metabolism, Harvard Medical School, Boston, MA, USA
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通讯机构: [1]UCSF Diabetes Center, University of California, San Francisco, San Francisco, CA, USA [2]Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA, USA [3]Department of Cell and Tissue Biology, University of California, San Francisco, San Francisco, CA, USA [4]Beth Israel Deaconess Medical Center, Division of Endocrinology, Diabetes & Metabolism, Harvard Medical School, Boston, MA, USA
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