MMP25
Overview[edit | edit source]
MMP24, also known as Matrix Metallopeptidase 24, is a member of the matrix metalloproteinase (MMP) family, which is involved in the breakdown of extracellular matrix in normal physiological processes, such as embryonic development, reproduction, and tissue remodeling, as well as in disease processes, such as arthritis and metastasis.
Structure[edit | edit source]
MMP24 is a zinc-dependent endopeptidase. Like other MMPs, it is synthesized as an inactive proenzyme and is activated when cleaved by extracellular proteinases. The structure of MMP24 includes a pro-domain, a catalytic domain, a hinge region, and a hemopexin-like domain. The catalytic domain contains the zinc-binding motif, which is crucial for its enzymatic activity.
Function[edit | edit source]
MMP24 is involved in the degradation of various components of the extracellular matrix, including collagen, gelatin, and elastin. It plays a significant role in the remodeling of the extracellular matrix, which is essential for cell migration, wound healing, and angiogenesis. MMP24 is also implicated in the activation of other MMPs, thereby amplifying its effects on the extracellular matrix.
Expression[edit | edit source]
MMP24 is expressed in various tissues, including the brain, where it is involved in neuronal development and synaptic plasticity. Its expression is regulated by cytokines, growth factors, and hormones. Abnormal expression of MMP24 has been associated with pathological conditions such as cancer, where it may contribute to tumor invasion and metastasis.
Clinical Significance[edit | edit source]
Due to its role in tissue remodeling and degradation, MMP24 is a potential target for therapeutic intervention in diseases characterized by excessive extracellular matrix breakdown, such as osteoarthritis, rheumatoid arthritis, and certain types of cancer. Inhibitors of MMP24 are being investigated for their potential to prevent tumor progression and metastasis.
Research[edit | edit source]
Current research on MMP24 focuses on understanding its specific substrates and regulatory mechanisms. Studies are also exploring the development of selective inhibitors that can modulate its activity without affecting other MMPs, thereby minimizing side effects.
Also see[edit | edit source]
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Contributors: Prab R. Tumpati, MD
