Key result
Overexpression of miR-223 increased Glut4 protein expression and glucose uptake in cardiomyocytes, demonstrating its role in regulating cardiac glucose metabolism.
miR-223 plays a key role in regulating Glut4 expression and glucose metabolism in the heart, demonstrating that miRNAs can upregulate target genes in terminally differentiated cardiomyocytes.
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miR-223 modulation merits further preclinical testing in metabolic cardiomyopathy; leaves open any clinical translation.
Han et al. (2010) studied Insulin-resistant heart / Type 2 diabetes. miR-223 overexpression or inhibition vs. Control was evaluated on Glut4 expression and glucose uptake. Overexpression of miR-223 increased Glut4 protein expression and glucose uptake in cardiomyocytes, demonstrating its role in regulating cardiac glucose metabolism.
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