Gene co-expression network analysis of myostatin regulation at three different mouse developmental timepoints

Myostatin (Mstn) knockout mice exhibit large increases in skeletal muscle mass. However, relatively few of the genes that mediate or modify MSTN effects are known. In this study, we performed co-expression network analysis using whole transcriptome microarray data from Mstn-null and wild-type mice to identify genes involved in important biological processes and pathways related to skeletal muscle and adipose development.Genes differentially expressed between wild-type and Mstn-null mice were identified at 13.5 d.p.c. and 35 days after birth (d35) and further analyzed for shared DNA motifs using DREME.

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Yang X, Koltes JE, Park CA, Chen D, Reecy JM