Collagen synthesis and collagen-degrading enzymes

Collagen synthesis and collagen-degrading enzymes represent a broad group of proteins responsible for the lifecycle of collagen, the primary structural protein in the human body. Synthesis involves a complex series of intracellular and extracellular steps, including post-translational modifications by enzymes such as prolyl 4-hydroxylase and lysyl oxidase, which are essential for the stability and cross-linking of the collagen triple helix [NIH/NCBI Bookshelf]. Conversely, collagen degradation is primarily driven by the matrix metalloproteinase (MMP) family, particularly collagenases (MMP-1, -8, -13) and gelatinases (MMP-2, -9), which break down the extracellular matrix (ECM) during tissue remodeling [UniProt, PubMed]. An imbalance between these synthetic and degradative processes is central to the pathogenesis of various diseases, such as tissue fibrosis (excessive synthesis) and osteoarthritis or tumor invasion (excessive degradation) [Nature Reviews Disease Primers]. Therapeutic interventions include MMP inhibitors for cancer and arthritis, as well as anti-fibrotic agents like pirfenidone that modulate collagen production [PubChem]. Additionally, exogenous collagenases like collagenase clostridium histolyticum are used to treat conditions of excessive collagen accumulation, such as Dupuytren's contracture [FDA].

Other names

Collagen metabolic enzymesCollagen turnover enzymesExtracellular matrix remodeling enzymes

Inhibition of matrix metalloproteinases (MMPs) to prevent extracellular matrix breakdown; inhibition of collagen-modifying enzymes (e.g., prolyl hydroxylases) to reduce collagen deposition; enzymatic cleavage of collagen fibers by exogenous collagenases.