Insulin-Like Growth Factor 2 (IGF-2)
Growth Factors and Tissue Remodeling Signals
Insulin-Like Growth Factor 2 (IGF-2)
IGF-2 contributes importantly to developmental growth and also has postnatal tissue roles.
Local growth-factor networks
Growth factors influence proliferation, differentiation, survival and extracellular matrix remodeling through receptor-specific pathways. Their actions depend on tissue state, dose, timing and interactions with other signals. More signaling is not automatically equivalent to better repair or functional adaptation.
A distinction that matters
Its receptor interactions and imprinted regulation distinguish it from simply being another name for IGF-1.
From pathway to performance
Circulating concentrations and phosphorylation markers do not directly quantify local tissue regeneration. Evidence for a proposed exercise benefit should link the relevant tissue signal with meaningful structural or functional outcomes, while distinguishing human findings from experimental models.
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