RANKL: Receptor activator of nuclear factorkappa B ligand; PTHrP: Parathyroid Hormone Related Peptide; ACTH: Adrenocorticotropic Hormone; POMC: Pro-Opiomelanocortin; PNES: Paraneoplastic Endocrine Syndrome; OPG: Osteoprotegrin; CS: Cushing’s Syndrome; CLIP: Corticotrophin-Like Intermediate Lobe Peptide; MSH: α-Melanocyte Stimulating Hormone; CLIP: Corticotrophin-Like Intermediate Lobe Peptide; ...

During a 3-hr period of social isolation in a novel environment, guinea pig pups exhibit an initial active phase of behavioral responsiveness, characterized primarily by vocalizing, which is then followed by a stage of passive responsiveness in which pups display a distinctive crouch, eye-closing, and extensive piloerection. Prior treatment of pups with alpha-melanocyte-stimulating hormone (alp...