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...
by Rawamino | Nov 14, 2025 | Peptides
Introduction Vascular contributions to cognitive impairment are frequently modeled as a continuum of neurobiological processes initiated by disrupted cerebral perfusion. In experimental settings, transient or chronic hypoperfusion, microinfarction, endothelial...
by Rawamino | Nov 13, 2025 | Peptides
Introduction Cellular resilience in the central nervous system (CNS) depends on tightly coordinated programs that regulate synaptic plasticity, axonal remodeling, energy metabolism, and glial surveillance. Disruptions to these programs—involving oxidative stress,...
