Cited by 349Adipose Tissue and MetabolismAutophagy in Disease and TherapyAdipokines, Inflammation, and Metabolic Diseases

Beige adipocyte maintenance is regulated by autophagy-induced mitochondrial clearance

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Altshuler-Keylin, Svetlana, Shinoda, Kosaku, Hasegawa, Yutaka, Ikeda, Kenji, Hong, Haemin, Kang, Qianqian, Yang, Yangyu, Perera, Rushika M. +2 more·2016·Cell Metabolism

Abstract

Beige adipocytes gained much attention as an alternative cellular target in anti-obesity therapy. While recent studies have identified a number of regulatory circuits that promote beige adipocyte differentiation, the molecular basis of beige adipocyte maintenance remains unknown. Here, we demonstrate that beige adipocytes progressively lose their morphological and molecular characteristics after withdrawing external stimuli and directly acquire white-like characteristics bypassing an intermediate precursor stage. The beige-to-white adipocyte transition is tightly coupled to a decrease in mitochondria, increase in autophagy, and activation of MiT/TFE transcription factor-mediated lysosome biogenesis. The autophagy pathway is crucial for mitochondrial clearance during the transition; inhibiting autophagy by uncoupled protein 1 (UCP1(+))-adipocyte-specific deletion of Atg5 or Atg12 prevents beige adipocyte loss after withdrawing external stimuli, maintaining high thermogenic capacity and protecting against diet-induced obesity and insulin resistance. The present study uncovers a fundamental mechanism by which autophagy-mediated mitochondrial clearance controls beige adipocyte maintenance, thereby providing new opportunities to counteract obesity.

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Crossref · 10.1016/j.cmet.2016.08.002

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Authors
Altshuler-Keylin, S., Shinoda, K., Hasegawa, Y., Ikeda, K., Hong, H., Kang, Q., Yang, Y., Perera, R. M., Debnath, J., & Kajimura, S.
Affiliations
University of California, San Francisco (US)
Corresponding author
Kajimura, Shingo
Venue
Cell Metabolism
Publisher
Elsevier BV
Published
2016-09
Volume
24
Issue
3
Pages
402-419
ISSN
1550-4131 (ISSN-L)
OpenAlex
W2517759674
Cited by
349
References
68
Citations by year
2026: 22 · 2025: 28 · 2024: 24 · 2023: 36 · 2022: 44 · 2021: 43 · 2020: 55 · 2019: 43 · 2018: 24 · 2017: 23 · 2016: 6
FWCI
25.73
Type
journal article
Language
en
Open access
Locations
  • Cell Metabolism (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • NIH (DK97441, DK108822, CA126792)
  • Diabetes and Endocrine-Related Disease Center (DERC) (DK63720)
  • Pew Charitable Trust
  • Japan Science and Technology Agency
  • American Cancer Society
  • Pancreatic Cancer Action Network
  • AACR Career Development
  • American Heart Association (AHA) (15PRE23050029)
  • California Institute for Regenerative Medicine (CIRM) (TG2-01153)
  • Larry L. Hillblom Foundation (LLHF) (2014-D-025-FEL)
  • Manpei Suzuki Diabetes Foundation
  • China Scholarship Council (CSC) (201506350063)
Topics
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
Keywords
beige adipocytes, autophagy, mitochondrial clearance, lysosomal biogenesis, thermogenesis, diet-induced obesity, insulin resistance, UCP1, ATG5, ATG12, obesity treatment
MeSH terms
Adipocytes, Beige, Autophagy-Related Proteins, Cyclic AMP, Animals, Autophagy, Organelle Biogenesis, Insulin Resistance, Lysosomes, Mitochondria, Obesity, Phenotype, Signal Transduction, Gene Deletion, Cyclic AMP-Dependent Protein Kinases, Cell Shape, Mice, Microphthalmia-Associated Transcription Factor, Adipocytes, White, Adrenergic beta-3 Receptor Agonists, Diet, High-Fat

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