Collagen breakdown

Collagen breakdown refers to the process by which collagen, the most abundant structural protein in the human body, is degraded or catabolized. This is not a specific molecule or receptor but rather a biological process involving multiple enzymes and pathways. Collagen provides structure and strength to skin, bones, tendons, cartilage, blood vessels, and connective tissues[2][4][6]. Its breakdown can occur naturally with aging or be accelerated by factors such as oxidative stress (e.g., UV exposure), smoking, certain diseases (like autoimmune disorders), or genetic mutations[4][6]. Enzymes such as matrix metalloproteinases (MMPs) are primarily responsible for degrading collagen during tissue remodeling and disease processes[5]. Excessive collagen breakdown contributes to conditions like osteoarthritis (via cartilage loss), skin aging (wrinkles), and connective tissue diseases. Because "collagen breakdown" describes a process rather than a discrete molecular target like an enzyme or receptor, it is not considered a therapeutic target itself but may be modulated indirectly through inhibition of enzymes involved in this pathway. Note: The entry "Collagen breakdown" is not itself a canonical molecular target; it describes a physiological/pathological process involving many molecules. For structured data purposes—such as drug discovery databases—this should be flagged as incorrect for use as an individual drug target[5].

Other names

Collagen degradationCollagen catabolismBreakdown of collagen