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|dc.identifier.citation||Nephrology Dialysis Transplantation, 1999; 14(5):1208-1216||-|
|dc.description.abstract||<h4>Background</h4>Efficient peritoneal dialysis depends on an intact layer of mesothelial cells that line the peritoneal membrane. This layer is disrupted in patents on continuous ambulatory peritoneal dialysis during episodes of peritonitis (acute injury) and replaced by fibrous tissue during extended dialysis (chronic injury). Little is understood of human peritoneal mesothelial cell (HPMC) responses to wounding and episodes of peritonitis.<h4>Methods</h4>HPMC were harvested from spent peritoneal dialysis effluent and maintained under defined in vitro conditions. Adhesive interactions with extracellular matrix (ECM) molecules and chemotactic and wound-healing responses were measured in vitro using purified ECM molecules.<h4>Results</h4>HPMC express multiple functional cell receptors recognizing and binding to ECM molecules, including several members of the integrin family. HPMC exhibit directed migration in wound healing and chemotaxis assays with ECM molecules. Epidermal growth factor (EGF) stimulates a reversible change to a fibroblastic phenotype, accompanied by increased expression of beta1 integrins, particularly alpha2beta1, increased adhesion to type I collagen, and significantly greater HPMC migration on type I collagen in wound healing and chemotaxis assays.<h4>Conclusions</h4>HPMC possess the migratory capacity to contribute to the efficient repair of damaged peritoneal membrane after acute injury, and growth factors, such as EGF, facilitate peritoneal membrane healing by augmenting cell adhesion and migration.||-|
|dc.description.statementofresponsibility||Leavesley, D I ; Stanley, J M ; Faull, R J||-|
|dc.publisher||OXFORD UNIV PRESS||-|
|dc.subject||Epidermal Growth Factor||-|
|dc.subject||Extracellular Matrix Proteins||-|
|dc.subject||Peritoneal Dialysis, Continuous Ambulatory||-|
|dc.title||Epidermal growth factor modifies the expression and function of extracellular matrix adhesion receptors expressed by peritoneal mesothelial cells from patients on CAPD||-|
|Appears in Collections:||Aurora harvest 4|
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