by Rawamino | Nov 16, 2025 | Peptides
Introduction Neurodegenerative processes are frequently associated with the progressive loss of dopaminergic neurons, impaired neurogenesis, and dysregulation of trophic signaling networks in the central nervous system (CNS). Among the molecular systems implicated in...
by Rawamino | Nov 16, 2025 | Peptides
Introduction Vasoactive peptide systems shape vascular tone, organ perfusion, extracellular matrix turnover, and stress-adaptive signaling through G-protein–coupled receptors (GPCRs). Within this landscape, the relaxin family peptide receptor 1 (RXFP1) has attracted...
by Rawamino | Nov 15, 2025 | Peptides
Introduction Peptide-like molecules and selective receptor modulators continue to attract interest in experimental physiology for their capacity to regulate anabolic pathways and tissue remodeling. Among these, MK-677 (Ibutamoren) and MK-2866 (Ostarine) have emerged...
by Rawamino | Nov 15, 2025 | Peptides
Introduction Skeletal muscle size and function are governed by a balance between anabolic and catabolic cues that converge on the transforming growth factor-β (TGF-β) superfamily. Within this network, myostatin and activins act as dominant negative regulators of...
by Rawamino | Nov 14, 2025 | Peptides
Introduction Peptides represent a structurally diverse and functionally versatile class of biomolecules central to nearly every form of biological signaling. Defined as short chains of amino acids linked by peptide bonds, they bridge the gap between small-molecule...