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Function of the porcine TRPC1 gene in myogenesis and muscle growth

ABSTRACT: Muscle growth is a quantitative trait controlled by multiple genes in animals. Previously, we showed that transient receptor potential channel 1 (TRPC1) was a differentially expressed gene in muscle tissues between pig breeds with divergent growth traits using RNA-seq. In this study, we characterized the expression profiles of TRPC1 in different tissues and various pig breeds, and found that TRPC1 is highly expressed in muscle. We found two effective single nucleotide polymorphism (SNP) sites (C-1763T and C-1604T) in TRPC1 that could affect the activity of the promoter region and regulate the growth rate of pigs. Functionally, we used RNAi and overexpression to illustrate that TRPC1 promotes myoblast proliferation, migration, differentiation, fusion, and muscle hypertrophy, while inhibiting muscle degradation, and that these processes may be mediated by activating the Wnt signaling pathways. Taken together, our results revealed that TRPC1 may be a promoter of muscle growth and development and it plays a role in Wnt-mediated myogenesis.

ORGANISM(S): Mus musculus

PROVIDER: GSE160972 | GEO | 2020/11/07

REPOSITORIES: GEO

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