Palmitic acid interferes with energy metabolism balance by adversely switching the SIRT1-CD36-fatty acid pathway to the PKC-GLUT4-glucose pathway in cardiomyoblasts
Metabolic regulation is inextricably linked with cardiac function. Fatty acid metabolism is a significant mechanism for creating energy for the heart. However, cardiomyocytes are able to switch the fatty acids or glucose, depending on different situations, such as ischemia or anoxia. Lipotoxicity in obesity causes impairments in energy metabolism and apoptosis in cardiomyocytes. We utilized the treatment of H9c2 cardiomyoblast cells palmitic acid (PA) as a model for hyperlipidemia to investigate the signaling mechanisms involved in these processes.
Source: The Journal of Nutritional Biochemistry - Category: Biochemistry Authors: Yeh-Peng Chen, Chia-Wen Tsai, Chia-Yao Shen, Cecilia-Hsuan Day, Yu-Lan Yeh, Ray-Jade Chen, Tsung-Jung Ho, V. Vijaya Padma, Wei- Wen Kuo, Chih-Yang Huang Source Type: research
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