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|Title:||Clinical application of a rapid, functional assay for multidrug resistance based on accumulation of the fluorescent dye, fluo-3.||Austin Authors:||Wall, D M;Sparrow, R;Hu, X F;Nadalin, G;Zalcberg, John R;Marschner, I C;Van der Weyden, M;Parkin, John Desmond||Affiliation:||Department of Haematology, Heidelberg Repatriation Hospital.||Issue Date:||16-May-1993||Publication information:||European Journal of Cancer (oxford, England : 1990); 29A(7): 1024-7||Abstract:||A rapid and simple functional assay for P-glycoprotein (Pgp) using flow cytometry to measure the accumulation of the flurophore fluo-3 has been applied to samples from patients with B-cell chronic lymphocytic leukaemia (B-CLL). Peripheral blood lymphocytes from 37 patients with B-CLL were studied for Pgp. Pgp expression, using MRK-16, a monoclonal antibody recognising an external surface epitope of Pgp, was detected in 92% of patients with B-CLL. The functional assays for Pgp expression were positive in 78 and 59% of patients using the fluo-3 and doxorubicin (dox) assays, respectively. When compared with the MRK-16 assay, the fluo-3 assay had a sensitivity of 82% compared to a sensitivity of 56% for the dox assay (P = 0.004). The specificity of the fluo-3 and dox assays could not be evaluated because of the low number of MRK-16 negative CLL cells.||Gov't Doc #:||8098947||URI:||http://ahro.austin.org.au/austinjspui/handle/1/13245||URL:||https://pubmed.ncbi.nlm.nih.gov/8098947||Type:||Journal Article||Subjects:||Aged
Aged, 80 and over
Leukemia, Lymphocytic, Chronic, B-Cell.blood.drug therapy.metabolism
Sensitivity and Specificity
|Appears in Collections:||Journal articles|
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