Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
1995-4-10
pubmed:abstractText
Using immunostaining, immunoblot, reverse-transcriptase polymerase chain reaction and Southern blot, we found that expressions of CD44 isoforms and E-cadherin were very closely linked and were correlated with the differentiation status in human urothelial cell lines and clinical specimens of transitional cell carcinoma. Normal urothelium, well to moderately differentiated cell lines and surgical samples expressed E-cadherin and large CD44 isoforms containing exon v6, which was pivotal in metastasis of rat pancreatic cell line model. Poorly differentiated cell lines and surgical samples, were E-cadherin-negative and expressed primarily standard form CD44, which did not contain exon v6. We concluded that CD44v6 isoforms and E-cadherin were both down-regulated during the carcinogenesis of urothelium. The large exon v6 containing CD44 isoforms were readily detected in normal urothelium, therefore, were not likely linked to cancer metastasis. E-cadherin and CD44v6 may be used as differentiation markers for human urothelial tumors. Immunohistochemical study solely with antibody against epitopes encoded by exon v6 alone is not informative enough as other alternatively spliced exons may change the function of CD44v6 isoforms.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Feb
pubmed:issn
0304-3835
pubmed:author
pubmed:issnType
Print
pubmed:day
10
pubmed:volume
89
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
81-7
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed-meshheading:7533658-Animals, pubmed-meshheading:7533658-Antigens, CD44, pubmed-meshheading:7533658-Base Sequence, pubmed-meshheading:7533658-Blotting, Southern, pubmed-meshheading:7533658-Cadherins, pubmed-meshheading:7533658-Carcinoma, Transitional Cell, pubmed-meshheading:7533658-Carrier Proteins, pubmed-meshheading:7533658-Cell Differentiation, pubmed-meshheading:7533658-Cells, Cultured, pubmed-meshheading:7533658-Down-Regulation, pubmed-meshheading:7533658-Exons, pubmed-meshheading:7533658-Humans, pubmed-meshheading:7533658-Immunoblotting, pubmed-meshheading:7533658-Isomerism, pubmed-meshheading:7533658-Mice, pubmed-meshheading:7533658-Mice, Nude, pubmed-meshheading:7533658-Molecular Sequence Data, pubmed-meshheading:7533658-Polymerase Chain Reaction, pubmed-meshheading:7533658-Receptors, Cell Surface, pubmed-meshheading:7533658-Receptors, Lymphocyte Homing, pubmed-meshheading:7533658-Urinary Bladder, pubmed-meshheading:7533658-Urinary Bladder Neoplasms
pubmed:year
1995
pubmed:articleTitle
Correlation of expression of CD44 isoforms and E-cadherin with differentiation in human urothelial cell lines and transitional cell carcinoma.
pubmed:affiliation
Department of Oncology, National Taiwan University Hospital, Taipei, ROC.
pubmed:publicationType
Journal Article, Comparative Study, Research Support, Non-U.S. Gov't