Peptide Hormones: How They Shape Your Mood and Behavior
Definition and Chemical Classification The term peptide hormone refers to any signaling molecule that is chemically categorized as a peptide. These hormones are composed of chains of amino acid residues, typically ranging from just a few amino acids (oligopeptides) up to approximately 100 amino acids. Due to their proteinaceous structure, peptide hormones are generally hydrophilic, […]
Corticotropin-Releasing Hormone: The Stress Response Master
Corticotropin-Releasing Hormone (CRH) The Core Definition and Function of CRH Corticotropin-Releasing Hormone (CRH), often referred to synonymously as corticotropin-releasing factor, is a crucial neuropeptide synthesized and secreted primarily by the paraventricular nucleus (PVN) of the hypothalamus in the brain. Its fundamental role is to act as the principal initiator of the physiological response to both […]