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CRF ligands display distinct affinity to CRF receptors with CRF binding preferentially to CRF 1 and with lesser affinity to CRF 2 (Hillhouse and Grammatopoulos, 2006), while Ucn 1 displays equal high affinity to both CRF 1 and CRF 2 and Ucn 2 and 3 are selective CRF 2 agonists (Grace et al., 2007)

Untargeted metabolomic profiling reveals multiple pathway perturbations and new clinical biomarkers in urea cycle disorders

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Understanding what peptides are and how they work provides important context for anyone beginning GLP-1 therapy