1. Signaling Pathways
  2. Membrane Transporter/Ion Channel
  3. P-glycoprotein

P-glycoprotein

P-gp; Pgp; Multidrug resistance protein 1; MDR1; ATP-binding cassette sub-family B member 1; ABCB1; Cluster of differentiation 243; CD243

P-glycoprotein (P-gp) also known as multidrug resistance protein 1 (MDR1) is an important protein of the cell membrane that pumps many foreign substances out of cells. More formally, it is an ATP-dependent efflux pump with broad substrate specificity. P-gp is extensively distributed and expressed in the intestinal epithelium where it pumps xenobiotics (such as toxins or drugs) back into the intestinal lumen, in liver cells where it pumps them into bile ducts, in the cells of the proximal tubular of the kidney where it pumps them into urine-conducting ducts, and in the capillary endothelial cells comprising the blood–brain barrier and blood-testis barrier, where it pumps them back into the capillaries. Some cancer cells also express large amounts of P-gp, which renders these cancers multi-drug resistant. P-gp is an ATP-dependent drug efflux pump for xenobiotic compounds with broad substrate specificity. It is responsible for decreased drug accumulation in multidrug-resistant cells and often mediates the development of resistance to anticancer drugs. This protein also functions as a transporter in the blood–brain barrier.

P-glycoprotein Related Products (91):

Cat. No. Product Name Effect Purity
  • HY-14275
    Verapamil
    Inhibitor 99.96%
    Verapamil ((±)-Verapamil) is a calcium channel blocker and a potent and orally active first-generation P-glycoprotein (P-gp) inhibitor. Verapamil also inhibits CYP3A4. Verapamil has the potential for high blood pressure, heart arrhythmias and angina research.
  • HY-50879
    Elacridar
    Inhibitor 99.80%
    Elacridar is an orally active P-glycoprotein (Pgp) and breast cancer resistance protein (BCRP) inhibitor. Elacridar can be used to examine the influence of efflux transporters on drug distribution to brain and the research of cancer.
  • HY-A0064
    Verapamil hydrochloride
    Inhibitor 99.98%
    Verapamil hydrochloride ((±)-Verapamil hydrochloride) is a calcium channel blocker and a potent and orally active first-generation P-glycoprotein (P-gp) inhibitor. Verapamil hydrochloride also inhibits CYP3A4. Verapamil hydrochloride has the potential for high blood pressure, heart arrhythmias and angina research.
  • HY-15206
    Glibenclamide
    Inhibitor 99.70%
    Glibenclamide (Glyburide) is an orally active ATP-sensitive K+ channel (KATP) inhibitor and can be used for the research of diabetes and obesity. Glibenclamide inhibits P-glycoprotein. Glibenclamide directly binds and blocks the SUR1 subunits of KATP and inhibits the cystic fibrosis transmembrane conductance regulator protein (CFTR). Glibenclamide interferes with mitochondrial bioenergetics by inducing changes on membrane ion permeability. Glibenclamide can induce autophagy.
  • HY-10550
    Tariquidar
    Inhibitor 98.60%
    Tariquidar (XR9576) is a potent and specific inhibitor of P-glycoprotein (P-gp) with the high affinity (Kd=5.1 nM).
  • HY-125486
    Reversin 121
    Inhibitor
    Reversin 121 is a P-glycoprotein inhibitor. Reversin 121 increases the ATPase activity of MDR1. Reversin 121 reverses P-glycoprotein-mediated multidrug resistance. Reversin 121 can be used in the research of cancers.
  • HY-N10491
    Spongionellol A
    Inhibitor
    Spongionellol A is a MDR1 (p-glycoprotein) inhibitor. Spongionellol A has high cytotoxic activity and selectivity in prostate cancer cells by inducing caspase‑dependent apoptosis. Spongionellol A can be used in the research of cancers, such as prostate cancer.
  • HY-150565
    P-gp inhibitor 5
    Inhibitor
    P-gp inhibitor 5 is a potent P-glycoprotein (P-gp) inhibitor. P-gp inhibitor 5 has antiproliferative activity against certain cancer cell lines. P-gp inhibitor 5 is effective in reversing the multidrug resistance (MDR) phenotype in ABCB1/Flp-InTM-293 and KBvin cells by restoring their sensitivity to Vincristine (HY-N0488A) and Paclitaxel (HY-B0015).
  • HY-50671
    Zosuquidar trihydrochloride
    Inhibitor 99.79%
    Zosuquidar (LY335979) trihydrochloride is a P-glycoprotein (P-gp) inhibitor (Ki=59 nM). Zosuquidar trihydrochloride shows anti-tumor activities, and can be used in acute myelogenous leukemia (AML) research.
  • HY-17384
    Valspodar
    Inhibitor 99.27%
    Valspodar (PSC 833) is a selective P-glycoprotein inhibitor that has been used as an experimental cancer treatment and chemosensitizer.
  • HY-11018
    Risperidone
    Inhibitor 98.01%
    Risperidone is a serotonin 5-HT2 receptor blocker, P-Glycoprotein inhibitor and potent dopamine D2 receptor antagonist, with Kis of 4.8, 5.9 nM for 5-HT2A and dopamine D2 receptor, respectively.
  • HY-108347
    CP-100356 hydrochloride
    Inhibitor 99.68%
    CP-100356 hydrochloride is an orally active dual MDR1 (P-gp)/BCRP inhibitor, with an IC50s of 0.5 and 1.5 µM for inhibiting MDR1-mediated Calcein-AM transport and BCRP-mediated Prazosin transport, respectively. CP-100356 hydrochloride is also a weak inhibitor of OATP1B1 (IC50=∼66 µM). CP-100356 hydrochloride is devoid of inhibition against MRP2 and major human P450 enzymes (IC50>15 µM).
  • HY-N0144
    Piperine
    Inhibitor 98.88%
    Piperine, a natural alkaloid isolated from Piper nigrum L, inhibits P-glycoprotein and CYP3A4 activities with an IC50 value of 61.94±0.054 μg/mL in HeLa cell.
  • HY-50880
    Elacridar hydrochloride
    Inhibitor 99.73%
    Elacridar hydrochloride (GF120918A) is an orally active P-glycoprotein (P-gp) and breast cancer resistance protein (BCRP) inhibitor. Elacridar hydrochloride can be used to examine the influence of efflux transporters on drug distribution to brain and it can be used for the research of cancer.
  • HY-10550A
    Tariquidar methanesulfonate, hydrate
    Inhibitor 98.38%
    Tariquidar methanesulfonate, hydrate (XR9576 methanesulfonate, hydrate) is a potent and specific inhibitor of P-glycoprotein (P-gp) with a Kd of 5.1 nM.
  • HY-17367A
    Atazanavir sulfate
    Modulator 99.94%
    Atazanavir (BMS-232632) sulfate, a highly selective HIV-1 protease inhibitor, is the first protease inhibitor approved for once-daily administration. Atazanavir sulfate is a substrate and inhibitor of CYP3A4, and an inhibitor and inducer of P-glycoprotein (P-gp). Atazanavir sulfate is also a SARS-CoV 3CLpro inhibitor with an IC50 of 3.49 μM.
  • HY-13646
    Encequidar
    Inhibitor ≥98.0%
    Encequidar (HM30181; HM30181A) is a potent and selective inhibitor of P-glycoprotein.
  • HY-107212
    Selamectin
    Inhibitor 99.89%
    Selamectin, a semi-synthetic macrocyclic lactone, is a potent parasiticide and anthelminthic. Selamectin activates glutamate-gated chloride channels in neurons and pharyngeal muscles to prevent heartworm, Lymphatic filariae, and nematode infection. Selamectin is also a potent P-glycoprotein substrate and a P-glycoprotein inhibitor with an IC50 of 120 nM.
  • HY-N5077
    Sinapine
    Inhibitor 99.72%
    Sinapine is an alkaloid isolated from seeds of the cruciferous species. Sinapine exhibits anti-inflammatory, anti-oxidant, anti-tumor, anti-angiogenic and radio-protective effects. Sinapine is also an acetylcholinesterase (AChE) inhibitor and can be used for the research of Alzheimer’s disease, ataxia, myasthenia gravis, and Parkinson’s disease.
  • HY-N3584
    Paris saponin VII
    Inhibitor 99.13%
    Paris saponin VII (Chonglou Saponin VII) is a steroidal saponin isolated from the roots and rhizomes of Trillium tschonoskii. Paris saponin VII-induced apoptosis in K562/ADR cells is associated with Akt/MAPK and the inhibition of P-gp. Paris saponin VII attenuates mitochondrial membrane potential, increases the expression of apoptosis-related proteins, such as Bax and cytochrome c, and decreases the protein expression levels of Bcl-2, caspase-9, caspase-3, PARP-1, and p-Akt. Paris saponin VII induces a robust autophagy in K562/ADR cells and provides a biochemical basis in the treatment of leukemia.