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-156207
    C2 Adamantanyl globotriaosylceramide (d18:1/2:0)
    		Inhibitor
    C2 Adamantanyl globotriaosylceramide (d18:1/2:0) (AdaGb3), a water-soluble globotriaosylceramide analog, is a bioactive sphingolipid. C2 Adamantanyl globotriaosylceramide (d18:1/2:0) reverses MDR1-MDCK cell drug resistance. C2 Adamantanyl globotriaosylceramide (d18:1/2:0) has high affinity for verotoxin (VT).
    C2 Adamantanyl globotriaosylceramide (d18:1/2:0)
  • HY-120790
    S 16317
    S 16317 is an orally active dihydropyridine derivative with low calcium channel affinity (Ki: 0.55 μM). S 16317 inhibits P-gp mediated efflux of ADR. S 16317 overcomes multidrug resistance in tumor.
    S 16317
  • HY-N144114
    P-gp inhibitor 2
    		Inhibitor
    P-gp inhibitor 2 is a potent P-gp inhibitor. P-gp inhibitor 2 shows reverse Doxorubicin resistance (IC50=0.22 µM) in P-gp overexpressing human colorectal carcinoma cells (SW600 Ad300).
    P-gp inhibitor 2
  • HY-106753
    Tolnapersine
    Tolnapersine exhibits multidrug resistance (MDR) reversal activity, which reverses the resistance of tumor cells to multiple chemotherapy drugs by affecting P-glycoprotein (Pgp) on the cell membrane.
    Tolnapersine
  • HY-155032
    P-gp inhibitor 15
    		Inhibitor
    P-gp inhibitor 15 (compound 7a) is a nonsubstrate inhibitor of P-glycoprotein (Pgp). P-gp inhibitor 15 inhibits Pgp-ATPase activity，and interfers Pgp-mediated Rhodamine123 efflux. P-gp inhibitor 15 also enhances the inhibitory efficacy of Paclitaxel (HY-B0015)，inhibits tumor progress in nude mice KBV xenograft tumors model.
    P-gp inhibitor 15
  • HY-17013D
    Dofequidar sesquifumarate
    		Inhibitor
    Dofequidar (MS-209) sesquifumarate is an orally active quinoline compoundthat blocks P-glycoprotein (P-gp) and multidrug resistance-associated protein-1 (MDR-1). Dofequidar sesquifumarate has highly potent reversing effect on multidrug-resistant tumor cells. Dofequidar sesquifumarate 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 sesquifumarate
  • HY-173222
    P-gp inhibitor 28
    		Inhibitor
    P-gp inhibitor 28 (Compound 4h) is an inhibitor targeting P-glycoprotein (P-gp). It can inhibit the proliferation of cancer cells, and its IC50 value for MCF-7/ADR cells is between 15.88 and 21.96 μM. P-gp inhibitor 28 can increase the accumulation of Rho123 in MCF-7/ADR cells and can be used in research related to cancer and overcoming multidrug resistance in tumors.
    P-gp inhibitor 28
  • HY-B0777R
    Moxidectin (Standard)
    Moxidectin (Standard) is the analytical standard of Moxidectin. This product is intended for research and analytical applications. Moxidectin (CL301423) is an orally active macrolide (ML) anthelmintic for the prevention and control of heartworms and roundworms. Moxidectin is also a substrate of BCRP and P-glycoprotein (P-gp) in vivo, and is secreted into breast milk and effluxed from the host and parasite mediated by Bcrp1 and P-gp. This may be related to the presence of chemical residues in milk.
    Moxidectin (Standard)
  • HY-N0248R
    Saikosaponin B2 (Standard)
    		Control
    Saikosaponin B2 (Standard) is the analytical standard of Saikosaponin B2. This product is intended for research and analytical applications. Saikosaponin B2 is an antiviral and anticancer agent that regulates multiple transporters (such as various solute carriers and ATP-binding cassette transporters including MRP1, MRP2, and OCT2). Saikosaponin B2 is isolated from the plant glycoside component of the roots of Bupleurum scorzonerifolium. Saikosaponin B2 enhances the liver targeting of anticancer drugs via vinegar-baked Radix Bupleuri. Saikosaponin B2 inhibits HCV entry, replication, and translation, is effective against Daclatasvir (HY-10466)-resistant strains, and exerts a synergistic effect when used in combination with Daclatasvir. Saikosaponin B2 is commonly used in studies related to hepatocellular carcinoma and HCV infection.
    Saikosaponin B2 (Standard)
  • HY-W115674
    Quinidine hydrochloride
    		Inhibitor
    Quinidine hydrochloride is an orally active antiarrhythmic agent. Quinidine hydrochloride reduces the expression level of P-gp, inhibits P-gp-mediated efflux, increases the intracellular accumulation of P-gp substrates, induces PARP cleavage and Caspase-3 activation, and elevates the proportion of Apoptotic cells at the sub-G1 phase. Quinidine hydrochloride exerts sustained block and open-channel block effects on IK(f). Quinidine hydrochloride alters the urinary metabolic ratio of Amphetamine, modulates the Pentylenetetrazol-induced seizure threshold, and regulates the anticonvulsant effect of Dextromethorphan. Quinidine hydrochloride can be used in studies related to uterine sarcoma and seizures.
    Quinidine hydrochloride
  • HY-149366
    ABCB1-IN-1
    		Inhibitor
    ABCB1-IN-1 (compound 3) is a potent ABCB1 inhibitor. ABCB1-IN-1 induces cell apoptosis. ABCB1-IN-1 bearing 1-benzylimidazole has IC50 values of 1.26 μM and 2.21 μM for Colo205 and Colo320 cells, respectively.
    ABCB1-IN-1
  • HY-W702908
    DM-4107
    		Inhibitor
    DM-4107 is a major metabolite of Tolvaptan (HY-17000) that is metabolized primarily by the CYP3A4 enzyme in the liver. DM-4107 inhibits the ability of human liver transporters NTCP, BSEP, MRP3, MRP4 (IC50 values are 95.6, 119, 61.2, 37.9 μM, respectively) and bile acid transport in SCHH cells. DM-4107 can be used in the study of autosomal dominant polycystic kidney disease (ADPKD).
    DM-4107
  • HY-119238
    CRL-42872
    		Inhibitor
    CRL-42872 is a potent bioactive compound that is promising for research of cardiac diseases.
    CRL-42872
  • HY-N16577
    (S)-Tenacissoside F
    		Inhibitor
    (S)-Tenacissoside F (Compound P20) is a polyoxypregnane compound found in Marsdenia tenacissima. (S)-Tenacissoside F can inhibit the drug efflux activity mediated by P-glycoprotein (P-gp/ABCB1) and reverse multidrug resistance. (S)-Tenacissoside F can be used for the research of cancer, such as colon cancer.
    (S)-Tenacissoside F
  • HY-165491
    R 101933
    		Inhibitor
    R 101933 is a P-glycoprotein (P-gp) inhibitor. R 101933 can be used for the research of cancer.
    R 101933
  • HY-146118
    P-gp modulator 3
    		Modulator
    P-gp modulator 3 (Compound 37) is a potent, competitive, allosteric P-glycoprotein (P-gp) modulator.
    P-gp modulator 3
  • HY-17367AR
    Atazanavir sulfate (Standard)
    		Modulator
    Atazanavir (sulfate) (Standard) is the analytical standard of Atazanavir (sulfate). This product is intended for research and analytical applications. 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.
    Atazanavir sulfate (Standard)
  • HY-10289A
    Carmegliptin hydrochloride
    		Substrate
    Carmegliptin hydrochloride (RO-4876904 hydrochloride) is an orally active and potent DPP‑IV inhibitor with a human DPP‑IV IC50 of 6.8 nM. Carmegliptin hydrochloride binds to the S1 pocket of DPP‑IV, blocks the degradation of GLP‑1, potentiates endogenous GLP‑1, increases plasma insulin levels, alleviates hyperglycemia, improves glucose tolerance. Carmegliptin hydrochloride acts as a substrate for human P‑glycoprotein without inhibiting the transporter, shows low in vitro cell permeability. Carmegliptin hydrochloride can be used for the research of type 2 diabetes, non‑insulin‑dependent diabetes mellitus.
    Carmegliptin hydrochloride
  • HY-14275S1
    Verapamil-d7
    		Inhibitor
    Verapamil-d7 is the deuterium labeled Verapamil (HY-14275). 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.
    Verapamil-d<sub>7</sub>
  • 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
Cat. No. Product Name / Synonyms Application Reactivity