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Donor age and species differences impact satellite cell myogenic capacity in vitro. Satellite cells were isolated from young and adult cattle, sheep, pigs, and horses, cultured to confluence and examined at various times after fusion. The extent of myoblast fusion reported by authors (see text) graphed as a function of age. Young is equivalent to pre-weaning and adult is considered post-pubertal and beyond the inflection point on a traditional growth curve.
