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Bone marrow immune cells stop weight regain.

Jing Yan1, Cheng Hu2

  • 1Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Clinical Centre for Diabetes, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.

Cell Metabolism
|November 8, 2023
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Summary
This summary is machine-generated.

Weight regain after obesity treatment is a challenge. Bone-marrow-derived CD7+ monocytes help suppress weight regain by promoting beige fat thermogenesis during nutritional stress.

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Area of Science:

  • Obesity research
  • Immunology
  • Metabolic health

Background:

  • Weight regain poses a significant challenge in long-term obesity management.
  • The precise biological mechanisms driving weight regain are not fully understood.

Purpose of the Study:

  • To investigate the role of specific immune cells in regulating body weight following nutritional stress.
  • To identify mechanisms that could suppress weight regain in obesity.

Main Methods:

  • Analysis of bone-marrow-derived cells, specifically CD7+ monocytes.
  • Assessment of monocyte responses to fluctuating nutritional conditions.
  • Evaluation of the impact on beige fat thermogenesis and weight regain.

Main Results:

  • Bone-marrow-derived CD7+ monocytes were identified as key players.
  • These monocytes exhibit a response to nutritional stress.
  • Their action promotes beige fat thermogenesis, thereby suppressing weight regain.

Conclusions:

  • CD7+ monocytes are crucial for preventing weight regain.
  • Targeting these monocytes could offer novel therapeutic strategies for obesity management.