Collagen synthesis and extracellular matrix regulation (ECM regulation) (ECM regulation)

Collagen synthesis and extracellular matrix (ECM) regulation encompass the complex biochemical pathways responsible for the production, assembly, and degradation of the structural scaffold of tissues. This process involves the synthesis of procollagen by fibroblasts, its subsequent secretion, and enzymatic cross-linking to form stable fibers, alongside the balanced activity of matrix metalloproteinases (MMPs) and their inhibitors (StatPearls, 2023). The ECM serves as a dynamic environment that regulates cell signaling, migration, and tissue homeostasis (Nature Reviews Molecular Cell Biology, 2022). Dysregulation of these pathways is a hallmark of various pathologies, most notably fibrosis, where excessive collagen deposition leads to organ dysfunction, and cancer, where ECM remodeling facilitates tumor invasion (PubMed, 2021). While not a single molecular target, various components of this pathway, such as Transforming Growth Factor-beta (TGF-beta) and Lysyl Oxidase (LOX), serve as critical therapeutic focal points (NIH, 2023). Pharmacological intervention, using drugs like pirfenidone or nintedanib, aims to restore ECM homeostasis to treat conditions like idiopathic pulmonary fibrosis and systemic sclerosis (PubChem, 2024).

Other names

Extracellular matrix remodelingCollagen metabolismFibrogenesisECM homeostasis

Modulation of the ECM occurs through various mechanisms including the inhibition of pro-fibrotic signaling (e.g., TGF-beta pathway), inhibition of collagen-crosslinking enzymes like lysyl oxidase (LOX), and the regulation of matrix metalloproteinases (MMPs) to prevent excessive accumulation or promote degradation of collagen fibers.