Title : Inhibition of intestinal P-glycoprotein and effects on etoposide absorption.

Pub. Date : 1995

PMID : 7850926






11 Functional Relationships(s)
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Protein Name
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1 P-glycoprotein (Pgp) actively pumps a number of antineoplastic drugs, such as etoposide, out of cancer cells and causes multidrug resistance. Etoposide ATP-binding cassette, subfamily B (MDR/TAP), member 1B Rattus norvegicus
2 P-glycoprotein (Pgp) actively pumps a number of antineoplastic drugs, such as etoposide, out of cancer cells and causes multidrug resistance. Etoposide ATP-binding cassette, subfamily B (MDR/TAP), member 1B Rattus norvegicus
3 We hypothesized that inhibition of intestinal Pgp might decrease the efflux of etoposide from the blood into the intestinal lumen, thereby, increasing the bioavailability of etoposide. Etoposide ATP-binding cassette, subfamily B (MDR/TAP), member 1B Rattus norvegicus
4 We hypothesized that inhibition of intestinal Pgp might decrease the efflux of etoposide from the blood into the intestinal lumen, thereby, increasing the bioavailability of etoposide. Etoposide ATP-binding cassette, subfamily B (MDR/TAP), member 1B Rattus norvegicus
5 The addition of C219, a monoclonal antibody of Pgp, at 100 ng/ml or of 0.2 M 5"-adenylylimidodiphosphate, a nonhydrolyzable adenosine triphosphate (ATP) analog, increased the absorption of etoposide. 5"-adenylylimidodiphosphate ATP-binding cassette, subfamily B (MDR/TAP), member 1B Rattus norvegicus
6 The addition of C219, a monoclonal antibody of Pgp, at 100 ng/ml or of 0.2 M 5"-adenylylimidodiphosphate, a nonhydrolyzable adenosine triphosphate (ATP) analog, increased the absorption of etoposide. Adenosine Triphosphate ATP-binding cassette, subfamily B (MDR/TAP), member 1B Rattus norvegicus
7 Quinidine, an antiarrythmic agent, has been demonstrated to circumvent multidrug resistance in cell lines, possibly by interfering with Pgp function. Quinidine ATP-binding cassette, subfamily B (MDR/TAP), member 1B Rattus norvegicus
8 The present data confirm that intestinal Pgp mediates the efflux of etoposide and that the use of Pgp-inhibiting agents such as quinidine may increase the bioavailability of etoposide. Etoposide ATP-binding cassette, subfamily B (MDR/TAP), member 1B Rattus norvegicus
9 The present data confirm that intestinal Pgp mediates the efflux of etoposide and that the use of Pgp-inhibiting agents such as quinidine may increase the bioavailability of etoposide. Quinidine ATP-binding cassette, subfamily B (MDR/TAP), member 1B Rattus norvegicus
10 The present data confirm that intestinal Pgp mediates the efflux of etoposide and that the use of Pgp-inhibiting agents such as quinidine may increase the bioavailability of etoposide. Etoposide ATP-binding cassette, subfamily B (MDR/TAP), member 1B Rattus norvegicus
11 The present data confirm that intestinal Pgp mediates the efflux of etoposide and that the use of Pgp-inhibiting agents such as quinidine may increase the bioavailability of etoposide. Etoposide ATP-binding cassette, subfamily B (MDR/TAP), member 1B Rattus norvegicus