Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
1995-2-16
pubmed:abstractText
Twenty-four fresh tumors of gastric carcinoma were assessed by flow cytometric detection of P-glycoprotein (P-gp) using monoclonal antibody C219. Eight patients were P-gp positive. Differentiated gastric carcinomas contained significantly higher concentrations of P-gp positive. Incidence of P-gp positive was high in advanced stage. In 16 cases estimated chemosensitivity was test assessed by thymidine incorporation assay (TIA). Seven of nine multidrug-resistant cases according to TIA were P-gp positive and all of seven nonmultidrug resistant cases were P-gp negative. Expression of P-gp and multidrug resistance were closely correlated (P < 0.01). Also, in 89 patients with operable gastric carcinoma, the relation between in vitro chemosensitivity test (TIA) and their clinicopathologic features as well as their survival lengths were studied. Thirty-one of 89 specimens from gastric carcinoma patients were multidrug resistant according to TIA. Patients in the multidrug-resistant group had a significantly poorer cumulative survival rate than those who were not multidrug resistant (P < .05). The multivariate analysis showed that multidrug resistance is a useful indicator of prognosis (P < 0.1). We suggest that multidrug-resistant cases or P-gp-positive cases of gastric carcinoma are highly malignant, and these determinations are clinically useful.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jan
pubmed:issn
0022-4790
pubmed:author
pubmed:issnType
Print
pubmed:volume
58
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
63-9
pubmed:dateRevised
2004-11-17
pubmed:meshHeading
pubmed-meshheading:7823576-Adult, pubmed-meshheading:7823576-Aged, pubmed-meshheading:7823576-Aged, 80 and over, pubmed-meshheading:7823576-Antibodies, Monoclonal, pubmed-meshheading:7823576-Carcinoma, pubmed-meshheading:7823576-Drug Resistance, Multiple, pubmed-meshheading:7823576-Drug Screening Assays, Antitumor, pubmed-meshheading:7823576-Female, pubmed-meshheading:7823576-Flow Cytometry, pubmed-meshheading:7823576-Gene Expression Regulation, Neoplastic, pubmed-meshheading:7823576-Humans, pubmed-meshheading:7823576-Male, pubmed-meshheading:7823576-Middle Aged, pubmed-meshheading:7823576-Multivariate Analysis, pubmed-meshheading:7823576-P-Glycoprotein, pubmed-meshheading:7823576-Predictive Value of Tests, pubmed-meshheading:7823576-Prognosis, pubmed-meshheading:7823576-Retrospective Studies, pubmed-meshheading:7823576-Stomach Neoplasms, pubmed-meshheading:7823576-Survival Analysis, pubmed-meshheading:7823576-Thymidine
pubmed:year
1995
pubmed:articleTitle
Clinical significance of multidrug resistance and P-glycoprotein expression in patients with gastric carcinoma.
pubmed:affiliation
Second Department of Surgery, Fukui Medical School, Japan.
pubmed:publicationType
Journal Article