Nataly Guzmán-Herrera, Bertha Ruíz-Madrigal, Jaime Parés-Hipólito, Luis A Salazar-Olivo
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SERPINA3 is expressed in human adipocytes and modulated by TNF-α and vitamin B6.
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.
期刊介绍：
In Vitro Cellular & Developmental Biology - Animal is a journal of the Society for In Vitro Biology (SIVB). Original manuscripts reporting results of research in cellular, molecular, and developmental biology that employ or are relevant to organs, tissue, tumors, and cells in vitro will be considered for publication. Topics covered include:
Biotechnology;
Cell and Tissue Models;
Cell Growth/Differentiation/Apoptosis;
Cellular Pathology/Virology;
Cytokines/Growth Factors/Adhesion Factors;
Establishment of Cell Lines;
Signal Transduction;
Stem Cells;
Toxicology/Chemical Carcinogenesis;
Product Applications.
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