Abstract
Urocortin 2 (Ucn2) is a peptide of 38 amino acids, member of the corticotrophin releasing factor (CRF) neuropeptide family. The skeletal muscle express both Ucn2 and its specific receptor CRF2R² (corticotrophin releasing factor 2² receptor), although this notary autocrine/paracrine action of this peptide, practically, nothing is known about its skeletal muscles actions (Reyes et al., 2001…