Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
1992-10-8
pubmed:abstractText
We have investigated the expression of integrin chains by human renal epithelial cells during in vivo renal differentiation and in vitro cell culture on different extracellular matrices. Using the immunoperoxidase technique to visualize the binding of monoclonal antibodies to different integrin chains in fetal and adult kidneys, we found a change during development from alpha 1 beta 1, alpha 3 beta 1, and alpha 4 beta 1-positive blastemal cells to alpha 2 beta 1, alpha 3 beta 1, and alpha 6 beta 1-positive epithelial cells. The pattern of integrin expression correlates with the presence in the extracellular matrix of the appropriate ligands. In in vitro cell culture experiments, renal epithelium expressed alpha 3 and alpha 5 integrins on all extracellular matrices. Integrins alpha 2 and alpha 6 were found only in cells grown on a laminin-containing substratum. Fibronectin and alpha 5 integrin co-localized on the ventral surface of cells grown on a laminin substratum and at the periphery of cells on glass coverslips. These results suggest that there is a close relationship between integrin alpha chain usage and the presence of appropriate ligands in the extracellular matrix.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jul
pubmed:issn
0022-3417
pubmed:author
pubmed:issnType
Print
pubmed:volume
167
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
327-34
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1992
pubmed:articleTitle
Differential expression of integrin alpha chains by renal epithelial cells.
pubmed:affiliation
Department of Pathology, University of Edinburgh, U.K.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't