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- Title
CD147 (EMMPRIN/Basigin) in kidney diseases: from an inflammation and immune system viewpoint.
- Authors
Tomoki Kosugi; Kayaho Maeda; Waichi Sato; Shoichi Maruyama; Kenji Kadomatsu
- Abstract
The glycosylated transmembrane protein CD147/basigin, also known as extracellular matrix metalloproteinase (MMP) inducer (EMMPRIN), contributes to cell survival, migration and cancer invasion. In normal kidneys, high expression of CD147 is detected only in the basolateral side of tubular epithelial cells (TECs). The pathophysiological roles of CD147 in the kidneys are diverse, ranging from involvement in the occurrence of acute kidney injury (AKI) that is frequently accompanied by ischemia, inflammation and a loss of selftolerance to the progression of chronic kidney disease (CKD) that is caused by an imbalance in extracellular matrix protein turnover. In AKI induced by ischemia, it is the CD147 on neutrophils, rather than that on TECs, that coordinately participates in massive neutrophil recruitment via acting as a physiological ligand for E-selectin, which is specifically enhanced in the endothelium upon inflammatory stimulation. In the CKD that follows AKI, a molecular circuit involving CD147, MMPs and transforming growth factor-â may be involved in the pathogenesis of progressive fibrosis through hyaluronan production and macrophage infiltration. Whereas CD147 thus plays deleterious roles in ischemic and fibrotic kidney injuries, CD147 expression on lymphocytes might decrease the disease activity of lupus nephritis (LN) by functioning as a potential negative regulator of the extraordinary proliferation of lymphocytes that occurs in this disease. In line with these basic studies, our clinical data indicate the potential of plasma CD147 to function as a critical biomarker for both ischemic AKI and LN. CD147 is also involved in crosstalk between the kidneys and distant organs, which may be mediated by chemotactic cytokines that are derived from circulating inflammatory cells and damaged organs. Disruption of such a vicious chain reaction involving CD147 would therefore be required in order to overcome kidney diseases. Multidisciplinary research regarding CD147 functions may open a new avenue for targeting therapeutics for kidney diseases.
- Subjects
GLYCOSYLATION; MEMBRANE proteins; KIDNEY diseases; INFLAMMATION; IMMUNE system; CELL migration; CANCER invasiveness
- Publication
Nephrology Dialysis Transplantation, 2015, Vol 30, Issue 7, p1097
- ISSN
0931-0509
- Publication type
Article
- DOI
10.1093/ndt/gfu302