myostatin(redirected from Mighty mouse gene)
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MSTNA gene on chromosome 2q32.2 that encodes myostatin, a member of the bone morphogenetic protein family, which regulates cell growth and differentiation in both embryonic and adult bone and cartilage. Myostatin appears to downregulate skeletal muscle growth.
A growth-regulating protein that limits the size of muscles by inhibiting excessive growth.