title: MMP inhibition as a potential method to augment the healing of skeletal muscle and tendon extracellular matrix.
abstract: The extracellular matrix (ECM) of skeletal muscle and tendon is composed of different types of collagen molecules that play important roles in the transmission of forces throughout the body, and in the repair and regeneration of injured tissues. Fibroblasts are the primary cells in muscle and tendon that maintain, repair, and modify the ECM in response to mechanical loading, injury, and inactivity. Matrix metalloproteinases (MMPs) are enzymes that digest collagen and other structural molecules, which are synthesized and excreted by fibroblasts. MMPs are required for baseline ECM homeostasis, but disruption of MMP regulation due to injury or disease can alter the normal ECM architecture and prevent proper force transmission. Chronic injuries and diseases of muscles and tendons can be severely debilitating, and current therapeutic modalities to enhance healing are quite limited. This review will discuss the mechanobiology of MMPs, and the potential use of MMP inhibitors to improve the treatment of injured and diseased skeletal muscle and tendon tissue.
authors: Department of Orthopaedic Surgery, University of Michigan Medical School, Ann Arbor, Michigan;
authors: Max E
authors: ME
authors: Davis
authors: Jonathan P
authors: JP
authors: Gumucio
authors: Kristoffer B
authors: KB
authors: Sugg
authors: Asheesh
authors: A
authors: Bedi
authors: Christopher L
authors: CL
authors: Mendias
mesh_terms: D000818:Animals; D003094:Collagen / Q000378:metabolism; D005109:Extracellular Matrix / Q000187:drug effects / Q000201:enzymology; D006801:Humans; D061965:Matrix Metalloproteinase Inhibitors / Q000494:pharmacology*; D020782:Matrix Metalloproteinases / Q000378:metabolism; D018482:Muscle, Skeletal / Q000187:drug effects* / Q000201:enzymology* / Q000293:injuries; D012038:Regeneration / Q000187:drug effects / Q000502:physiology; D013708:Tendon Injuries / Q000188:drug therapy / Q000201:enzymology; D013710:Tendons / Q000187:drug effects* / Q000201:enzymology*; D019714:Tissue Inhibitor of Metalloproteinases / Q000378:metabolism; D014945:Wound Healing / Q000187:drug effects / Q000502:physiology
chemical_list: D061965:Matrix Metalloproteinase Inhibitors; D019714:Tissue Inhibitor of Metalloproteinases; D003094:Collagen; D020782:Matrix Metalloproteinases
keywords: MMP; TIMP; collagen; extracellular matrix; muscle injury; tendinopathy
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