Abstract
Stemness decline of muscle stem cells (MuSCs) is a significant problem in cultured meat processing. In the present study, three flavonoids (quercetin, icariin, and 3,2′-dihydroxyflavone) with multi concentrations were evaluated to promote the proliferation and differentiation of porcine muscle stem cells. In the proliferation phase, 3,2′-dihydroxyflavone (10 μM) significantly amplified the cells by 34% and up-regulated the expression of paired box transcription factor 7 (PAX7) by 60%, which was higher than quercetin (75 nM) and icariin (7.5 nM). In the differentiation phase, quercetin (50 nM) showed the best pro-differentiation effect and up-regulated the expression of myosin heavy chain (MYHC) by 4.73-fold compared with the control group. These results indicated that flavonoids had a significant impact on promoting the proliferation and differentiation of porcine MuSCs, and 3,2′-dihydroxyflavone (10 μM) for proliferation and quercetin (50 nM) for differentiation were the optimal combinations.
Published Version
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