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<p>Obesity arises from an imbalance between adipogenesis and adipocyte thermogenesis. Interleukin-27 (IL-27), a heterodimer cytokine, is known to promote thermogenesis in brown adipose tissue. However, its role in adipogenesis remains unclear. This study aims to investigate the effects of IL-27 on adipogenesis both in vitro and in vivo, and to elucidate the underlying mechanisms. In vitro, an adipogenic differentiation model of adipose-derived mesenchymal stem cells (ADSCs) demonstrate that IL-27 is non-cytotoxic to ADSCs and inhibits ADSCs adipogenic differentiation. In vivo, using a high-fat diet (HFD)-induced obese mouse model and a targeted adipose tissue-specific IL-27 overexpression adeno-associated viral (AAV) vector, we confirm that IL-27 suppresses adipogenesis, prevents weight gain, and improves glucose and lipid metabolic homeostasis in obese mice. Additionally, the inhibition of adipogenesis by IL-27 is mediated through HDAC6 activation of the TGFβ/Smad3 signaling pathway. Our study suggests that IL-27 is a potential therapeutic target for obesity and metabolic disorders.</p>

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IL-27 alleviates high-fat diet-induced obesity and metabolic disorders by inhibiting adipogenesis via activating HDAC6

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年3月19日

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  • Yinsheng Zhong,
  • Shujun Yang,
  • Shuangmei Li,
  • Sijun Yuan,
  • Xuxiang Chen,
  • Huibao Long,
  • Haidong Wu,
  • Yajie Guo,
  • Tong Wang

摘要

Obesity arises from an imbalance between adipogenesis and adipocyte thermogenesis. Interleukin-27 (IL-27), a heterodimer cytokine, is known to promote thermogenesis in brown adipose tissue. However, its role in adipogenesis remains unclear. This study aims to investigate the effects of IL-27 on adipogenesis both in vitro and in vivo, and to elucidate the underlying mechanisms. In vitro, an adipogenic differentiation model of adipose-derived mesenchymal stem cells (ADSCs) demonstrate that IL-27 is non-cytotoxic to ADSCs and inhibits ADSCs adipogenic differentiation. In vivo, using a high-fat diet (HFD)-induced obese mouse model and a targeted adipose tissue-specific IL-27 overexpression adeno-associated viral (AAV) vector, we confirm that IL-27 suppresses adipogenesis, prevents weight gain, and improves glucose and lipid metabolic homeostasis in obese mice. Additionally, the inhibition of adipogenesis by IL-27 is mediated through HDAC6 activation of the TGFβ/Smad3 signaling pathway. Our study suggests that IL-27 is a potential therapeutic target for obesity and metabolic disorders.