Document Detail


LPA as a determinant of mesangial growth and apoptosis.
MedLine Citation:
PMID:  12224049     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Mesangial cell proliferation is a prominent feature of progression in many forms of renal diseases, including immunoglobulin A nephropathy, lupus nephritis, hemolytic uremic syndrome, and diabetic nephropathy. Platelet-derived growth factor (PDGF) has received much attention as the major mediator of mesangial cell proliferation by autocrine/paracrine mechanisms involving up-regulation of mesangial PDGF and its receptor on mesangial cells. In this review, we wish to spotlight lysophosphatidic acid (LPA), which in combination with PDGF, undoubtedly plays a key role as an autocrine and paracrine mediator in regulating mesangial cell growth. We not only showed that PDGF acts as a bimodal molecule for mesangial cells, inducing mesangial cell proliferation and death simultaneously, but also showed that LPA is a survival factor suppressing PDGF-induced mesangial cell death, thereby remarkably enhancing mesangial mitogenic response by PDGF. We believe that a better understanding of the mechanisms of mesangial cell proliferation by the combined action of PDGF and LPA could lead to novel diagnostic as well as therapeutic strategies, and thus help to better control proliferative glomerulonephritis.
Authors:
Chiyoko N Inoue
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Review    
Journal Detail:
Title:  Seminars in nephrology     Volume:  22     ISSN:  0270-9295     ISO Abbreviation:  Semin. Nephrol.     Publication Date:  2002 Sep 
Date Detail:
Created Date:  2002-09-11     Completed Date:  2002-11-22     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8110298     Medline TA:  Semin Nephrol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  415-22     Citation Subset:  IM    
Copyright Information:
Copyright 2002, Elsevier Science (USA). All rights reserved.
Affiliation:
Department of Pediatrics, Japanese Red Cross Sendai Hospital, Sendai, Japan. cnagano@sendai.jrc.or.jp
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MeSH Terms
Descriptor/Qualifier:
Animals
Apoptosis / physiology*
Cell Division / physiology
Disease Progression
Glomerular Mesangium / blood supply,  cytology*
Humans
Kidney Diseases / physiopathology
Lysophospholipids / physiology*
Platelet-Derived Growth Factor / physiology
Chemical
Reg. No./Substance:
0/Lysophospholipids; 0/Platelet-Derived Growth Factor

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