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Migration of skeletal muscle precursor cells is required for limb muscle development and skeletal muscle repair. This study aimed to examine the role of P2Y6 receptor in C2C12 myoblasts migration. C2C12 myoblasts were treated with P2Y6 agonist UDP, P2Y6 antagonist MRS2578, Ca2+ channel blocker BTP2, or ROCK inhibitor GSK269962 or Y27632, and the migration ability of C2C12 cells was assessed by wound healing assay. The cellular Ca2+ content was analyzed with fluo-4 probe and the activation of ROCK (phosphorlyation of LIMK and cofilin) was assayed by western blot. The cytoskeleton was labeled with Actin-Tracker Green and Tubulin-Tracker-Red. Silencing P2Y6 expression in C2C12 myoblasts reduced intracellular Ca2+ content and cell motility. Whereas UDP increased cellular Ca2+ content, actin filaments, and cell migration, MRS2578 had the opposite effects. The effects of UDP were abrogated by BTP2 and GSK269962 (and Y27632). Disruption of P2Y6 signaling pathway caused C2C12 myoblasts to have an elongated morphology. These results demonstrated that P2Y6 signaled through Ca2+ influx and RhoA/ROCK to reorganize cytoskeleton and promote migration in myoblasts.
Pubmed ID: 28815725 RIS Download
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This polyclonal targets GAPDH
View all literature mentionsThis polyclonal targets Cofilin
View all literature mentionsThis polyclonal targets Cofilin (phospho S3) antibody
View all literature mentionsThis polyclonal targets LIM Kinase 1
View all literature mentionsThis polyclonal targets LIMK1 (phospho T508) antibody
View all literature mentionsCell line C2C12 is a Spontaneously immortalized cell line with a species of origin Mus musculus (Mouse)
View all literature mentionsThis polyclonal targets GAPDH
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