Vitamin A-activated PPARγ signaling enhances intramuscular fat accumulation by overriding AMPK-mediated inhibition in late-fattening beef cattle

Abstract Background Intramuscular fat (IMF) deposition determines beef marbling quality, with current industry practices relying on vitamin A (VA) restriction throughout fattening to enhance marbling development. This study challenges the conventional approach by investigating late-fattening vitamin...

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Autores principales:	Xinyue Yang, Chengxing Zhang, Jizhe Tan, Jinge Zhang, Junhao Cui, Yating Fan, Nan Wang, Yongcheng Jin, Dongqiao Peng
Formato:	Artigo
Lenguaje:	Inglês
Publicado:	BMC 2026-02-01
Colección:	Journal of Animal Science and Biotechnology
Materias:	AMPK pathway Beef cattle Intramuscular fat accumulation PPARγ signaling Vitamin A
Acceso en línea:	https://doi.org/10.1186/s40104-025-01343-1
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