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Mechano Growth Factor (MGF) is a peptide hormone that is involved in muscle growth and repair. It is a splice variant of the Insulin-like Growth Factor 1 (IGF-1) gene and is produced in response to mechanical stress or damage to muscle fibers.
When muscles undergo intense exercise or experience injury, MGF is released as a response to the damage. MGF then binds to specific receptors on muscle cells, activating a signaling pathway that promotes muscle growth and repair. It stimulates the activation of satellite cells, which are responsible for muscle regeneration and hypertrophy.
MGF works by increasing protein synthesis, which leads to the production of new muscle fibers and the repair of damaged ones. It also enhances the proliferation and differentiation of satellite cells, allowing them to fuse with existing muscle fibers and contribute to muscle growth.
Overall, Mechano Growth Factor plays a crucial role in muscle adaptation and repair, helping to promote muscle growth and recovery after exercise or injury.