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-159085
    P-gp inhibitor 24
    		Inhibitor
    P-gp inhibitor 24 (Compound 10) is an inhibitor for P-glycoprotein (P-gp)), that inhibits the P-gp mediated fluorescent dye efflux. P-gp inhibitor 24 exhibits multidrug resistance (MDR) reversal effect, enhances the cytotoxicity of Vincristine (HY-N0488) and Etoposide (HY-13629) in cancer cells.
    P-gp inhibitor 24
  • HY-W787758
    2-Propylpent-4-ynoic acid
    		Inhibitor
    2-Propylpent-4-ynoic acid (4-yn-VPA) is a HDAC inhibitor (with an IC50 of 0.5 mM against human HDAC). 2-Propylpent-4-ynoic acid also induces P-glycoprotein function, and exhibits teratogenicity, fetal growth inhibition and neurotoxicity. 2-Propylpent-4-ynoic acid shows significant stereospecific teratogenic effects, with the S-enantiomer being more teratogenic than the R-enantiomer and other analogs. The neurotoxicity of 2-Propylpent-4-ynoic acid is independent of its stereochemical structure. 2-Propylpent-4-ynoic acid has been used in studies related to the pathogenesis of colon cancer and neural tube defects such as exencephaly.
    2-Propylpent-4-ynoic acid
  • HY-B0532AS
    Trifluoperazine-d3 dihydrochloride
    		Inhibitor
    Trifluoperazine-d3 (dihydrochloride) is deuterium labeled Trifluoperazine (dihydrochloride). Trifluoperazine dihydrochloride, an antipsychotic agent, acts by blocking central dopamine receptors. Trifluoperazine dihydrochloride is a potent α1-adrenergic receptor antagonist. Trifluoperazine dihydrochloride is a potent NUPR1 inhibitor exerting anticancer activity. Trifluoperazine dihydrochloride is a calmodulin inhibitor, and also inhibits P-glycoprotein. Trifluoperazine dihydrochloride can be used for the research of schizophrenia. Trifluoperazine dihydrochloride acts as a reversible inhibitor of influenza virus morphogenesis.
    Trifluoperazine-d<sub>3</sub> dihydrochloride
  • HY-136907
    (S)-Verapamil
    		Modulator
    (S)-Verapamil ((S)-(-)-Verapamil) is an orally active MRP1 (ABCC1) modulator with a Kd value of 113 nM for hamster MRP1. (S)-Verapamil regulates MRP1, promotes MRP1-mediated glutathione efflux and the transport of calcein and leukotriene C4, reverses glutathione-activated MRP1 ATPase activity, and ultimately depletes intracellular glutathione and induces cell death. (S)-Verapamil specifically induces apoptosis in MRP1-overexpressing tumor cells. (S)-Verapamil can be used in research related to cancer, cardiac diseases such as supraventricular arrhythmia, and hypertension.
    (S)-Verapamil
  • HY-N0633R
    Muscone (Standard)
    Muscone (Standard) is the analytical standard of Muscone. This product is intended for research and analytical applications. Muscone is the main active monomer of traditional Chinese medicine musk. Muscone inhibits NF-κB and NLRP3 inflammasome activation. Muscone remarkably decreases the levels of inflammatory cytokines (IL-1β, TNF-α and IL-6), and ultimately improves cardiac function and survival rate.
    Muscone (Standard)
  • HY-106035
    Tyroservatide
    		Inhibitor
    Tyroservatide (YSV) is an active, low-molecular-weight polypeptide that has been shown to have antitumor effects on hepatocellular carcinoma and lung cancer cell.
    Tyroservatide
  • HY-163204
    RhQ-DMB
    		Inhibitor
    RhQ-DMB is a potent inhibitor of P-gp. RhQ-DMB exhibits high affinity and inhibitory activity in yeast strains expressing CmABCB1.
    RhQ-DMB
  • HY-168008
    P-gp inhibitor 25
    		Inhibitor
    P-gp inhibitor 25 (compound 16c) is a P-gp inhibitor. P-gp inhibitor 25 can enhance the oral absorption of paclitaxel (HY-B0015). P-gp inhibitor 25 can be used in anti-cancer research.
    P-gp inhibitor 25
  • HY-135328S
    Norverapamil-d7
    		Inhibitor
    Norverapamil-d7 is a deuterium labeled Norverapamil ((±)-Norverapamil). Norverapamil, an N-demethylated metabolite of Verapamil, is a L-type calcium channel blocker and a P-glycoprotein (P-gp) function inhibitor.
    Norverapamil-d<sub>7</sub>
  • HY-G0017A
    N-Desmethyl imatinib mesylate
    		Substrate
    N-Desmethyl imatinib mesylate (Norimatinib mesylate) is an active metabolite of Imatinib (HY-15463), a selective c‑Abl inhibitor, and a substrate of P‑glycoprotein. N-Desmethyl imatinib mesylate binds to the c-Abl catalytic domain to prevent substrate phosphorylation, inhibits c-Abl-mediated α-synuclein activation and downstream inflammatory signaling pathways. N-Desmethyl imatinib mesylate induces apoptosis in K562 human leukemia cells. N-Desmethyl imatinib mesylate exhibits significantly elevated plasma levels in gastrointestinal stromal tumor (GIST) settings following mild SARS CoV 2 infection. N-Desmethyl imatinib mesylate can be used for the research of Parkinson’s disease, gastrointestinal stromal tumor, and chronic myeloid leukemia.
    N-Desmethyl imatinib mesylate
  • HY-D1005A9
    Poloxamer 183 (L63)
    		Inhibitor
    Poloxamer 183 L63 is a block copolymer of polyoxyethylene and polyoxypropylene with an average molecular weight of 2000. Poloxamer has the ability to inhibit P-gp. Poloxamer 183 exhibits antimicrobial activity and can inhibit Mycobacterium avium. Poloxamer 183 can be used as a cosmetic ingredient.
    Poloxamer 183 (L63)
  • HY-N0450R
    Sinapine thiocyanate (Standard)
    		Inhibitor
    Sinapine (thiocyanate) (Standard) is the analytical standard of Sinapine (thiocyanate). This product is intended for research and analytical applications. Sinapine thiocyanate is an alkaloid isolated from seeds of the cruciferous species. Sinapine thiocyanate exhibits anti-inflammatory, anti-oxidant, anti-tumor, anti-angiogenic and radio-protective effects. Sinapine thiocyanate is also an acetylcholinesterase (AChE) inhibitor and can be used for the research of Alzheimer’s disease, ataxia, myasthenia gravis, and Parkinson’s disease.
    Sinapine thiocyanate (Standard)
  • HY-W754548
    Glycocholic acid-13C2,d4N
    		Inhibitor
    Glycocholic acid-13C2,d4 is the deuterium labeled and 13C-labeled Glycocholic acid (HY-N1423). Glycocholic acid is a bile acid derivative. Glycocholic acid downregulates MDR1, Bcl-2, MRP1, MRP2 and FXR, upregulates Bax, p53, caspase-9, caspase-3, TGR5 and S1PR2. Glycocholic acid inhibits multidrug resistance and efflux pumps, induces mitochondrial apoptosis, and enhances chemosensitivity. Glycocholic acid modulates related bile acid receptor signaling. Glycocholic acid suppresses growth and conjugation of Enterobacteriaceae and increases their antibiotic susceptibility. Glycocholic acid can be used for the research of colon adenocarcinoma and cholangiocarcinoma (CCA).
    Glycocholic acid-<sup>13</sup>C<sub>2</sub>,d<sub>4</sub>N
  • HY-126906R
    Milbemycin A4 (Standard)
    		Inhibitor
    Milbemycin A4 (Standard) is the analytical standard of Milbemycin A4. This product is intended for research and analytical applications. Milbemycin A4 inhibits P-glycoprotein activity, and reverses multidrug resistance of tumor cells. Milbemycins are a family of macrolide antibiotics with insecticidal and acaricidal activitysup>.
    Milbemycin A4 (Standard)
  • HY-N6684R
    Deoxynivalenol (Standard)
    Deoxynivalenol (Standard) is the analytical standard of Deoxynivalenol. This product is intended for research and analytical applications. Deoxynivalenol, an orally active mycotoxin of the trichothecenes family, crosses the intestinal mucosa by a paracellular pathway through the tight junctions. The Deoxynivalenol transport is not affected by P-glycoprotein (PgP) or multidrug resistance-associated proteins (MRPs) inhibitors.
    Deoxynivalenol (Standard)
  • HY-175206
    P-gp-IN-30
    		Inhibitor
    P-gp-IN-30 (Compound 13) is a P-glycoprotein (P-gp) inhibitor by targeting YB-1. P-gp-IN-30 significantly enhances sensitivity to Paclitaxel by reducing total YB-1 and nucleus YB-1 protein expression, inhibiting the expression and function of downstream P-gp, further suppressing the efflux rate of Paclitaxel. P-gp-IN-30 potently inhibits tumor growth in A549/Taxol xenografts mice model with combination of Paclitaxel (HY-B0015). P-gp-IN-30 can be used for non-small cell lung cancer (NSCLC) research.
    P-gp-IN-30
  • HY-15206R
    Glibenclamide (Standard)
    		Inhibitor
    Glibenclamide (Standard) is the analytical standard of Glibenclamide. This product is intended for research and analytical applications. 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 (Standard)
  • HY-N1514R
    Ganoderenic acid B (Standard)
    Doxylamine (succinate) (Standard) is the analytical standard of Doxylamine (succinate). This product is intended for research and analytical applications. Doxylamine (succinate), a first generation antihistamine, is a histamine (H1) receptor antagonist. Doxylamine is also a local analgesic agent and effective hypnotic agent.
    Ganoderenic acid B (Standard)
  • HY-120931
    LY329146
    		Inhibitor
    LY329146, a Raloxifene (HY-13738) analog, is multidrug resistance protein (MRP1) inhibitor. LY329146 inhibits leucotriene C4 ( LTC4) transport with an IC50 of 0.8 μM.
    LY329146
  • HY-13774
    WK-X-34
    		Inhibitor
    WK-X-34 is a low-toxicity, highly effective multidrug resistance reversal agent. By potently inhibiting the transport functions of P-glycoprotein (P-gp, ABCB1) and breast cancer resistance protein (BCRP), WK-X-34 significantly increases the intracellular accumulation of anticancer drugs and radiotracers in drug-resistant cells. WK-X-34 exerts no significant effect on MRP transporters. WK-X-34 not only restores the chemosensitivity of multidrug-resistant ovarian cancer cells, but also significantly enhances the uptake of 99mTc-Sestamibi in P-gp-positive xenograft tumors, brain and intestinal tissues. WK-X-34 exhibits extremely low toxicity and favorable safety profiles both in vitro and in mice (at doses up to 50 mg/kg), and can be used for research on overcoming multidrug resistance in ovarian cancer.
    WK-X-34
Cat. No. Product Name / Synonyms Application Reactivity