Daily Research Brief

KPV: Lysine-proline-valine peptide attenuates hepatic lipid accumulation through ROS-dependent regulation of the PPARγ pathway in HepG2 cells.

Cytotechnology · 2026

3 minute read1/1/2026animal

Hepatocellular steatosis, an early stage within the non-alcoholic fatty liver disease (NAFLD) spectrum, is characterized by excessive lipid accumulation and oxidative stress in hepatocytes. This study examined the protective role of Lysine-Proline-Valine (KPV), an endogenous tripeptide derived from α-melanocyte-stimulating hormone, against oleic acid (OA)-induced oxidative damage and lipid accumulation in hepatic epithelial HepG2 cells. OA treatment markedly enhanced hepatic lipid deposition by upregulation of fatty acid synthase (FAS) expression.

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