PAX7 is a gene that plays a crucial role in the development of muscles and the nervous system. It encodes a protein that is involved in the formation of muscle cells, particularly during embryonic development. This gene is essential for the proper growth and regeneration of skeletal muscles. Mutations in the PAX7 gene can lead to various muscle disorders, affecting muscle strength and function. Researchers study PAX7 to better understand its role in muscle biology and to explore potential therapies for conditions like muscular dystrophy, where muscle regeneration is impaired.