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-163981
    ABCB1-IN-2
    		Inhibitor
    ABCB1-IN-2 (compound 16q) is a functional inhibitor that can directly bind to the ABCB1 protein and stabilize its structure without affecting the expression and subcellular localization of ABCB1. ABCB1-IN-2 can increase the sensitivity of MCF-7/ADR cells to paclitaxel (PTX), increase the accumulation of PTX, and prevent the accumulation and excretion of luciferin Rh123 mediated by ABCB1. ABCB1-IN-2, as an ABCB1-mediated multidrug resistance (MDR) reversal agent, shows a strong ability to reverse MDR.
    ABCB1-IN-2
  • HY-155152
    P-gp/BCRP-IN-2
    		Inhibitor
    P-gp/BCRP-IN-2 (compound 15) is an oxadiazole derivative and a dual inhibitor of the ABC transporter P-glycoprotein (IC50: 1.6 nM) and BCRP (IC50: 600 nM). P-gp/BCRP-IN-2 also enhances the anti-proliferative effects of Doxorubicin (HY-15142A) in drug-resistant human adenocarcinoma colon cancer cell lines HT29/DX and MDCK-MDR1 cells.
    P-gp/BCRP-IN-2
  • HY-Z15823
    (R)-Verapamil
    (R)-Verapamil (Dexverapamil) is an optically enantiomer of the oral-active Verapamil (HY-14275). (R)-Verapamil has a relatively low affinity for L-type calcium channels (Cav1.2) (IC50 > 300 μM), and its IC50 for sodium channels (sodium channel) is 3.19 μM. (R)-Verapamil exhibits SSTR2 agonistic activity, with an EC50 of 1.3 μM. (R)-Verapamil significantly downregulates the expression of TXNIP protein in diabetic mouse models and significantly inhibits β-cell apoptosis (apoptosis), effectively controlling blood sugar. (R)-Verapamil can be used as a PET tracer for the function of P-glycoprotein (P-gp).
    (R)-Verapamil
  • HY-157876
    Anticancer agent 191
    		Inhibitor
    Anticancer agent 191 (Compound 2) is a derivative of probenecid (HY-B0545). As a cancer cell efflux inhibitor, Anticancer agent 191 is designed to inhibit P-glycoprotein (P-gp), breast cancer resistance protein (BCRP), and/or multiple multidrug resistance proteins (MRPs). Anticancer agent 191 increases the accumulation of vinblastine in cancer cells, which is used for cancer research.
    Anticancer agent 191
  • HY-N6015R
    Bacopasaponin C (Standard)
    		Inhibitor
    Bacopasaponin C (Standard) is the analytical standard of Bacopasaponin C (HY-N6015). This product is intended for research and analytical applications. Bacopasaponin C is an orally active natural glycoside. Bacopasaponin C can be isolated from Bacopa monniera. Bacopasaponin C inhibits Verapamil (HY-14275)-stimulated P-gp ATPase activity with an IC50 of 57.83 μg/mL. Bacopasaponin C has antitumor activity against sarcomas. Bacopasaponin C has antiparasitic activity against Leishmania donovani.
    Bacopasaponin C (Standard)
  • HY-146391
    P-gp inhibitor 4
    		Modulator
    P-gp inhibitor 4 (Compound 8b) is a selective P-glycoprotein modulator with an EC50 of 94 nM. P-gp inhibitor 4 increases agent transport across gastro-intestinal barrier and recovers doxorubicin toxicity in multidrug resistant cancer cells.
    P-gp inhibitor 4
  • HY-168186
    P-gp inhibitor 26
    		Inhibitor
    P-gp inhibitor 26 (Compound 7i) is a potent P-gp inhibitor. P-gp inhibitor 26 potently reverses P-gp-mediated multidrug resistance in K562/A02 cells.
    P-gp inhibitor 26
  • HY-135336S
    (R)-Verapamil-d7 (hydrochloride)
    (R)-Verapamil-d7 (hydrochloride) is a deuterium labeled (R)-Verapamil hydrochloride. (R)-Verapamil hydrochloride ((R)-(+)-Verapamil hydrochloride) is a P-Glycoprotein inhibitor. (R)-Verapamil hydrochloride blocks MRP1 mediated transport, resulting in chemosensitization of MRP1-overexpressing cells to anticancer agents.
    (R)-Verapamil-d<sub>7</sub> (hydrochloride)
  • HY-W854295
    Phosphatidylinositol-1,2-dioctanoyl sodium
    		Inhibitor
    Phosphatidylinositol-1,2-dioctanoyl sodium significantly inhibits transmembrane P-gp transport in a reproducible, cell line-independent, and substrate-independent manner. Phosphatidylinositol-1,2-dioctanoyl sodium plays an important role in signal transduction and cell movement.
    Phosphatidylinositol-1,2-dioctanoyl sodium
  • HY-11018B
    Risperidone mesylate
    		Inhibitor
    Risperidone mesylate(R 64 766 mesylate) 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.
    Risperidone mesylate
  • HY-169782
    CJZ3
    		Inhibitor
    CJZ3 is an reversible inhibitor for P-glycoprotein (P-gp), that accumulates the drug (Rh123) in cells, and improve the permeability of the blood-brain barrier (BBB).
    CJZ3
  • HY-50671R
    Zosuquidar trihydrochloride (Standard)
    		Inhibitor
    Zosuquidar (trihydrochloride) (Standard) is the analytical standard of Zosuquidar (trihydrochloride). This product is intended for research and analytical applications. 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.
    Zosuquidar trihydrochloride (Standard)
  • HY-W018791R
    Bifendate (Standard)
    		Inhibitor
    Bifendate (DDB), extracted from Schisandrae chinensis, is an orally active anti-HBV agent against chronic hepatitis B. Bifendate inhibits ATG5-dependent autophagy and attenuates oleic acid-induced lipid accumulation with anti-oxidant properties in vitro. Bifendate can decrease alanine transaminase (ALT) level in mice. Bifendate attenuates hepatic steatosis in cholesterol/bile salt- and high-fat diet-induced hypercholesterolemia in mice. Bifendate potently increases the activity of cytochrome proteins (CYPs) and reverse P-gp-mediated multi-drug resistance (MDR).
    Bifendate (Standard)
  • HY-101511R
    TTT-28 (Standard)
    		Inhibitor
    TTT-28 (Standard) is the analytical standard of TTT-28 (HY-101511). This product is intended for research and analytical applications. TTT-28 is a synthesized thiazole-valine peptidomimetic, a novel selective inhibitor of ABCB1 (P-gp/MDR1) with high efficacy and low toxicity, which reverses the ATP-binding cassette sub-family B member 1 (ABCB1)-mediated multidrug resistance (MDR) by selectively blocking the efflux function of ABCB1.
    TTT-28 (Standard)
  • HY-107643R
    Reversan (Standard)
    		Inhibitor
    Reversan (Standard) is the analytical standard of Reversan (HY-107643). This product is intended for research and analytical applications. Reversan (CBLC4H10) inhibits drug efflux mediated by P-glycoprotein (Pgp) and multidrug resistance protein 1 (MRP1), and exhibits oral activity. Reversan shows activity against glioblastoma multiforme and neuroblastoma models.
    Reversan (Standard)
  • HY-13646R
    Encequidar (Standard)
    		Inhibitor
    Encequidar (Standard) is the analytical standard of Encequidar. This product is intended for research and analytical applications. Encequidar (HM30181; HM30181A) is a potent and selective inhibitor of P-glycoprotein.
    Encequidar (Standard)
  • HY-128878R
    Dexloxiglumide (Standard)
    Dexloxiglumide (Standard) is the analytical standard of Dexloxiglumide. This product is intended for research and analytical applications. Dexloxiglumide is an orally active and selective cholecystokinin type A (CCKA) receptor antagonist. Dexloxiglumide is the active enantiomer of Loxiglumide, inhibits smooth muscle cell contractions induced by cholecystokinin-octapeptide (CCK-8). Dexloxiglumide exhibits moderate Caco-2 permeability that is polarized, concentration dependent, and pH dependent. Dexloxiglumide increases MRP1-substrate fluorescein uptake. Dexloxiglumide can be studied in research for gastrointestinal diseases and tumors.
    Dexloxiglumide (Standard)
  • HY-15206S2
    Glibenclamide-13C6
    		Inhibitor
    Glibenclamide-13C6 (Glyburide-13C6) is 13C labeled Glibenclamide. 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.
    Glibenclamide-<sup>13</sup>C<sub>6</sub>
  • HY-N1076
    Wallichinine
    Wallichinine (Wallichinin) is a Diterpenoids product that can be isolated from the twigs and leaves of Trigonostemon thyrsoideum..
    Wallichinine
  • HY-106265
    9,10-trans-Dehydroepothilone D
    		Inhibitor
    9,10-trans-Dehydroepothilone D shows an antiproliferative activity against a paclitaxel-resistant cell lines overexpressing P-glycoprotein. 9,10-trans-Dehydroepothilone D also shows tubulin polymerization activity. 9,10-trans-Dehydroepothilone D is given by lactonization of Seco acid, which is promising for research of cancers.
    9,10-trans-Dehydroepothilone D
Cat. No. Product Name / Synonyms Application Reactivity