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Role of MMP-2 and CD147 in kidney fibrosis
Zhengyuan Cheng1, Xiaojuan Zhang2, Yu Zhang3
1Department of Internal Medicine, Ma'anshan People's Hospital Affiliated to Medical School of Southeast University, Hubei Road 45, Huashan District, Ma'anshan 243099, Anhui Province, China.
Abstract:
Matrix metalloproteinase-2 (MMP-2) and cluster of differentiation 147 (CD147) both play important roles in the development of kidney fibrosis, and CD147 can induce the production and activation of MMP-2. In the early stage of kidney fibrosis, MMP-2 promotes extracellular matrix (ECM) production and accelerates the development of kidney fibrosis, while in the advanced stage, MMP-2 activity decreases, leading to reduced ECM degradation and making it difficult to alleviate kidney fibrosis. The reason for the decrease in MMP-2 activity in the advanced stage is still unclear. On the one hand, it may be related to hypoxia and endocytosis, which lead to changes in the expression of MMP-2-related active regulatory molecules; on the other hand, it may be related to insufficient CD147 function. At present, the specific process by which CD147 is involved in the regulation of MMP-2 activity is not completely clear, and further in-depth studies are needed to clarify the roles of both factors in the pathophysiology of kidney fibrosis.
Insights
Matrix metalloproteinase-2 (MMP-2) and cluster of differentiation 147 (CD147) are key to kidney fibrosis. CD147 influences MMP-2 activity, which declines in advanced fibrosis, hindering recovery.
Area of Science:
- Nephrology
- Molecular Biology
- Biochemistry
Background:
- Kidney fibrosis is a significant pathological process.
- Matrix metalloproteinase-2 (MMP-2) and cluster of differentiation 147 (CD147) are implicated in kidney fibrosis development.
- CD147 can stimulate MMP-2 production and activation.
Purpose of the Study:
- To investigate the roles of MMP-2 and CD147 in kidney fibrosis.
- To elucidate the mechanisms behind decreased MMP-2 activity in advanced kidney fibrosis.
- To clarify the specific regulatory role of CD147 in MMP-2 activity.
Main Methods:
- The study reviews existing literature on MMP-2 and CD147 in kidney fibrosis.
- Analysis of factors potentially affecting MMP-2 activity, including hypoxia and endocytosis.
- Examination of CD147's functional contribution to MMP-2 regulation.
Main Results:
- MMP-2 promotes extracellular matrix production in early kidney fibrosis.
- MMP-2 activity decreases in advanced stages, impeding fibrosis resolution.
- Potential causes for reduced MMP-2 activity include hypoxia, endocytosis, and insufficient CD147 function.
Conclusions:
- MMP-2 and CD147 play critical, yet not fully understood, roles in kidney fibrosis.
- Further research is necessary to fully delineate the interplay between CD147 and MMP-2 in kidney disease pathophysiology.
