P-glycoprotein (ABCB1) modulates collateral sensitivity of a multidrug resistant cell line to verapamil

RM Laberge, R Ambadipudi, E Georges - Archives of biochemistry and …, 2009 - Elsevier
P-glycoprotein (or P-gp1, ABCB1) expression in tumor cells is causative of multidrug
resistance through the active efflux of drugs across the cell membrane. However, the over …

P-glycoprotein mediates the collateral sensitivity of multidrug resistant cells to steroid hormones

RM Laberge, R Ambadipudi, E Georges - Biochemical and biophysical …, 2014 - Elsevier
The overexpression of P-glycoprotein (P-gp, ABCB1) in cancer cells often leads to multidrug
resistance (MDR) through reduced drug accumulation. However, certain P-gp-positive cells …

New insight into p-glycoprotein as a drug target

A Breier, L Gibalova, M Seres… - Anti-Cancer Agents in …, 2013 - ingentaconnect.com
Multidrug resistance (MDR) of cancer tissue is a phenomenon in which cancer cells exhibit
reduced sensitivity to a large group of unrelated drugs with different mechanisms of …

P-glycoprotein depresses cisplatin sensitivity in L1210 cells by inhibiting cisplatin-induced caspase-3 activation

L Gibalová, M Šereš, A Rusnák, P Ditte, M Labudová… - Toxicology in Vitro, 2012 - Elsevier
Multidrug resistance (MDR) is a phenomenon in which cells become resistant to cytostatic
drugs and other substances with diverse chemical structures and cytotoxicity mechanisms …

[HTML][HTML] MDR1 P-glycoprotein reduces influx of substrates without affecting membrane potential

GD Luker, TP Flagg, Q Sha, KE Luker, CM Pica… - Journal of Biological …, 2001 - ASBMB
MDR1 (multidrug resistance) P-glycoprotein (Pgp; ABCB1) decreases intracellular
concentrations of structurally diverse drugs. Although Pgp is generally thought to be an …

[HTML][HTML] Mechanism of multidrug resistance to chemotherapy mediated by P‑glycoprotein

Y Tian, Y Lei, Y Wang, J Lai… - … Journal of Oncology, 2023 - spandidos-publications.com
Multidrug resistance (MDR) seriously limits the clinical application of chemotherapy. A
mechanism underlying MDR is the overexpression of efflux transporters associated with …

Increase in doxorubicin cytotoxicity by carvedilol inhibition of P-glycoprotein activity

Ö Jonsson, P Behnam-Motlagh, M Persson… - Biochemical …, 1999 - Elsevier
Acquired resistance to chemotherapy is a major problem during cancer treatment. One
mechanism for drug resistance is overexpression of the MDR1 (multidrug resistance) gene …

A novel way to spread drug resistance in tumor cells: functional intercellular transfer of P-glycoprotein (ABCB1)

SV Ambudkar, ZE Sauna, MM Gottesman… - Trends in …, 2005 - cell.com
Intercellular transfer of proteins is a mode of communication between cells that is crucial for
certain physiological processes. Chemotherapy is the treatment of choice for∼ 50% of all …

Efflux transporters in cancer resistance: molecular and functional characterization of P-glycoprotein

AP Turner, C Alam, R Bendayan - Drug efflux pumps in cancer resistance …, 2020 - Elsevier
Multidrug resistance (MDR) is a phenomenon whereby cells confer drug resistance to
structurally and functionally unrelated compounds. P-glycoprotein (P-gp; MDR1 or ABCB1) …

ABCB1 Pharmacogenetics: Progress, Pitfalls, and Promise

LW Chinn, DL Kroetz - Clinical Pharmacology & Therapeutics, 2007 - Wiley Online Library
In 1976, Juliano and Ling 1 reported expression of a 170 kDa protein in colchicine‐resistant
Chinese hamster ovary (CHO) cells that was absent in drug‐sensitive cells. Because this …