2. Signaling Pathways
  3. Membrane Transporter/Ion Channel
  4. 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

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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.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-W035709R
    Hydrocinchonine (Standard)
    		Inhibitor
    Hydrocinchonine (Dihydrocinchonine) (Standard) is the analytical standard of Hydrocinchonine (HY-W035709). This product is used for research and analytical purposes.Hydrocinchonine is a multidrug resistance (MDR)-reversal agent. Hydrocinchonine directly inhibits the function and expression of P-gp, which is the mechanism by which it reverses MDR. Hydrocinchonine exerts synergistic apoptotic effect with Paclitaxel (HY-B0015) in MES-SA/DX5 cells. Hydrocinchonine can be used for the study of gynecological malignant tumors (such as uterine sarcoma) with drug resistance caused by excessive expression of P-gp.
    Hydrocinchonine (Standard)
  • HY-17013AR
    Dofequidar fumarate (Standard)
    		Inhibitor
    Dofequidar (fumarate) (Standard) is the analytical standard of Dofequidar (fumarate). This product is intended for research and analytical applications. Dofequidar fumarate (MS-209) is an orally active quinoline compoundthat blocks P-glycoprotein (P-gp) and multidrug resistance-associated protein-1 (MDR-1). Dofequidar fumarate has highly potent reversing effect on multidrug-resistant tumor cells. Dofequidar fumarate competitively inhibits ABCB1/P-gp, ABCC1/MRP-1, blocks the efflux of chemotherapeutic agents, increases the drug concentration in cancer cells, and enhances the chemotherapeutic effect.
    Dofequidar fumarate (Standard)
  • HY-W699430
    Norverapamil-d6 hydrochloride
    		Inhibitor
    Norverapamil-d6 ((±)-Norverapamil-d6) hydrochloride is deuterium labeled Norverapamil (hydrochloride). Norverapamil hydrochloride ((±)-Norverapamil hydrochloride), an N-demethylated metabolite of Verapamil, is a L-type calcium channel blocker and a P-glycoprotein (P-gp) function inhibitor.
    Norverapamil-d<sub>6</sub> hydrochloride
  • HY-17367R
    Atazanavir (Standard)
    		Modulator
    Atazanavir (Standard) is the analytical standard of Atazanavir. This product is intended for research and analytical applications. Atazanavir (BMS-232632) is a highly selective and orally active HIV-1 protease inhibitor . Atazanavir is a substrate and inhibitor of CYP3A4, and an inhibitor of P-glycoprotein (P-gp). Atazanavir is also a SARS-CoV 3CLpro inhibitor with an IC50 of 3.49 μM. Atazanavir inhibits cardiac fibrosis, hyperlipidemia and induces malignant glioma death.
    Atazanavir (Standard)
  • HY-16773
    Vedroprevir
    		Inhibitor
    Vedroprevir (GS-9451) is an inhibitor for HCV NS3/4A protease with an IC50 of 3.2 nM. Vedroprevir is also an inhibitor for breast cancer resistant protein (BCRP) with an IC50 of 1.4 μM. Vedroprevir inhibits P-gp, MRP1 and MRP2 with IC50 of 34, 14.9 and 12 μM, respectively. Vedroprevir exhibits good pharmacokinetic characteristics in rats and dogs.
    Vedroprevir
  • HY-50880R
    Elacridar hydrochloride (Standard)
    		Inhibitor
    Elacridar (hydrochloride) (Standard) is the analytical standard of Elacridar (hydrochloride). This product is intended for research and analytical applications. 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 agent distribution to brain and it can be used for the research of cancer.
    Elacridar hydrochloride (Standard)
  • HY-N13157
    11α-O-Benzoyl-12β-O-acetyltenacigenin B
    		Inhibitor
    11α-O-Benzoyl-12β-O-acetyltenacigenin B is a P-glycoprotein (Pgp) inhibitor derived from Marsdenia tenacissima and belongs to the Tenacigenin B (HY-N1168) derivatives. 11α-O-Benzoyl-12β-O-acetyltenacigenin B can inhibit multidrug resistance (MDR) caused by P-glycoprotein (Pgp) overexpression in HepG2/Dox cells and holds potential for research in the field of cancer.
    11α-O-Benzoyl-12β-O-acetyltenacigenin B
  • HY-13646AR
    Encequidar mesylate (Standard)
    		Inhibitor
    Encequidar (mesylate) (Standard) is the analytical standard of Encequidar (mesylate). This product is intended for research and analytical applications. Encequidar mesylate (HM30181 mesylate; HM30181A mesylate) is a competitive and potent P-glycoprotein inhibitor.
    Encequidar mesylate (Standard)
  • HY-N7305
    Jatrophane 5
    		Inhibitor
    Jatrophane 5 is a natural product of Jatropha carcas L. Jatrophane 5 has powerful inhibition of P-gp, higher than R(+)-verapamil (HY-14275) and Tariquidar (HY-10550) in colorectal multi-drug resistant cells (DLD1-TxR).
    Jatrophane 5
  • HY-141425
    NSC73306
    NSC73306, a thiosemicarbazone, is a cell penetrant, cytotoxic agent that exhibits greater toxicity against cells expressing functional P-gp (P-glycoprotein) than against other cells.
    NSC73306
  • HY-164683
    MRP1-IN-1
    		Inhibitor
    MRP1-IN-1 (Compound 9h) is a MRP1 inhibitor with an EC50 of 0.90 μM in HeLa-T5 cells.
    MRP1-IN-1
  • HY-123934
    VU6007477
    		Modulator
    VU6007477 is a brain-penetrant, selective M1 positive allosteric modulator (PAM) with an EC50 value of 230 nM. VU6007477 is also a human P-glycoprotein (P-gp) substrate with moderate permeability. VU6007477 displays improved central nervous system (CNS) penetration over the hydroxylated congeners. VU6007477 a pyranyl amide derivative, which is promising for research of robust cholinergic seizure activity.
    VU6007477
  • HY-10550AR
    Tariquidar methanesulfonate, hydrate (Standard)
    		Inhibitor
    Tariquidar (methanesulfonate, hydrate) (Standard) is the analytical standard of Tariquidar (methanesulfonate, hydrate). This product is intended for research and analytical applications. Tariquidar methanesulfonate, hydrate (XR9576 methanesulfonate, hydrate) is a potent and specific inhibitor of P-glycoprotein (P-gp) with a Kd of 5.1 nM.
    Tariquidar methanesulfonate, hydrate (Standard)
  • HY-17367S5
    Atazanavir-d24
    		Modulator
    Atazanavir-d24 (BMS-232632-d24) is deuterium labeled Atazanavir. Atazanavir (BMS-232632) is a highly selective and orally active HIV-1 protease inhibitor . Atazanavir is a substrate and inhibitor of CYP3A4, and an inhibitor of P-glycoprotein (P-gp). Atazanavir is also a SARS-CoV 3CLpro inhibitor with an IC50 of 3.49 μM. Atazanavir inhibits cardiac fibrosis, hyperlipidemia and induces malignant glioma death.
    Atazanavir-d<sub>24</sub>
  • HY-129698
    MS-073
    		Inhibitor
    MS-073 (CP162398) is a P-glycoprotein (P-gp) inhibitor. MS-073 reverses multidrug resistance in drug-resistant cells by competitively inhibiting drug binding to P-glycoprotein.
    MS-073
  • HY-U00247
    MCI826
    		Agonist
    MCI826 is a P-glycoprotein (P-gp) antagonist.
    MCI826
Cat. No. Product Name / Synonyms Application Reactivity