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<p><i>SERPINA3G</i> participates in the antiadipogenesis and insulin resistance induced by TNF-α in 3T3-F442A murine cells. Here, we show that the human orthologue <i>SERPINA3</i> is expressed in human subcutaneous and visceral adipose depots of normal-weight individuals and that TNF-α and RA induced the overexpression of <i>SERPINA3</i> mRNA in cultured human subcutaneous and visceral adipocytes, although only TNF-α induced the expression of serpin A3 protein. We also demonstrate that vitamin B6 abrogated the expression of the <i>SERPINA3</i> gene and diminished the anti-adipogenic effects of TNF-α on mature adipocytes. Our results indicate that <i>SERPINA3</i> is expressed in human adipose tissues and modulates the antiadipogenic effects of TNF-α, and suggest serpin A3 could be a promissory target in the inflammatory processes linked to obesity and other adipose dysfunctions.</p>

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SERPINA3 is expressed in human adipocytes and modulated by TNF-α and vitamin B6

  • 期刊论文

  • 发表日期：

    2025年5月27日

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  • Nataly Guzmán-Herrera,
  • Bertha Ruíz-Madrigal,
  • Jaime Parés-Hipólito,
  • Luis A. Salazar-Olivo

摘要

SERPINA3G participates in the antiadipogenesis and insulin resistance induced by TNF-α in 3T3-F442A murine cells. Here, we show that the human orthologue SERPINA3 is expressed in human subcutaneous and visceral adipose depots of normal-weight individuals and that TNF-α and RA induced the overexpression of SERPINA3 mRNA in cultured human subcutaneous and visceral adipocytes, although only TNF-α induced the expression of serpin A3 protein. We also demonstrate that vitamin B6 abrogated the expression of the SERPINA3 gene and diminished the anti-adipogenic effects of TNF-α on mature adipocytes. Our results indicate that SERPINA3 is expressed in human adipose tissues and modulates the antiadipogenic effects of TNF-α, and suggest serpin A3 could be a promissory target in the inflammatory processes linked to obesity and other adipose dysfunctions.