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-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
  • HY-174454
    Antitrypanosomal agent 24
    		Inhibitor
    Antitrypanosomal agent 24 is a benzothiazole amidoxime with strong and selective antitrypanosomal activity (IC50 = 0.92 μM). Antitrypanosomal agent 24 is a substrate of the P-glycoprotein efflux pump. Antitrypanosomal agent 24 has high membrane permeability and good metabolic stability. Antitrypanosomal agent 24 binds to DNA/RNA by intercalation.
    Antitrypanosomal agent 24
  • HY-N15297
    Isotenulin
    		Inhibitor
    Isotenulin inhibits the efflux function of P-glycoprotein by stimulation of P-glycoprotein ATPase, thereby overcoming the multidrug resistance (MDR) of cancer cells. Isotenulin exhibits cytotoxicity in multidrug-resistant cancer cell KB-vin and sensitive cancer cell HeLaS3. Isotenulin exhibits synergistic effect with Paclitaxel (HY-B0015), Vinblastine (HY-13780) and Doxorubicin (HY-15142).
    Isotenulin
  • HY-13687R
    IKK 16 (Standard)
    		Inhibitor
    IKK 16 (Standard) is the analytical standard of IKK 16. This product is intended for research and analytical applications. IKK 16 hydrochloride is an orally active IKK inhibitor. IKK 16 hydrochloride shows IC50s of 40 nM, 70 nM, 200 nM, and 50 nM for IKK2, IKK complex, IKK1, and LRRK 2, respectively. IKK 16 hydrochloride is also a pan-PKD inhibitor, inhibiting PKD1, PKD2, and PKD3 with IC50s of 153.9, 115, and 99.7 nM, respectively. IKK 16 hydrochloride is also an ABCB1 inhibitor, interfering with the binding of ABCB1 to its substrates. IKK 16 hydrochloride protects against LPS (HY-D1056)-induced multiple organ dysfunction by reducing the acute inflammatory response induced by endotoxin exposure. IKK 16 hydrochloride can restore renal function and alleviate fibrosis in acute kidney injury. IKK 16 hydrochloride attenuates cardiac dysfunction associated with polymicrobial sepsis in mice with type 2 diabetes mellitus (T2DM) by inhibiting the NF-κB pathway.
    IKK 16 (Standard)
  • HY-13776
    XR9051
    		Modulator
    XR9051 is an orally active and specific modulator of P-glycoprotein-mediated multidrug resistance (MDR).
    XR9051
  • HY-W654320
    Piperin-d10
    		Inhibitor
    Piperin-d10 is deuterium labeled Piperine. Piperine is an alkaloid, can be isolated from pepper. Piperine can inhibit the activity of P-glycoprotein and CYP3A4. Piperine inhibits HeLa cells with an IC50 of 61.94±0.054 μg/mL.
    Piperin-d<sub>10</sub>
  • HY-N5077R
    Sinapine (Standard)
    		Inhibitor
    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.
    Sinapine (Standard)
  • HY-107197
    8-Prenylchrysin
    		Inhibitor
    8-prenylchrysin is a C8-prenylated flavonoid. 8-prenylchrysin inhibits P-gp. 8-prenylchrysin can be used for tumor research.
    8-Prenylchrysin
  • HY-N7332
    Pepluanin A
    		Inhibitor
    Pepluanin A is a natural compound isolated from Euphorbia peplus L. Pepluanin A shows a very high activity for a jatrophane diterpene, outperforming Cyclosporin A by a factor of at least 2 in the inhibition of Pgp-mediated Daunomycin (HY-13062A) transport[1]
    Pepluanin A
  • HY-14275R
    Verapamil (Standard)
    		Inhibitor
    Verapamil (Standard) is the analytical standard of Verapamil. This product is intended for research and analytical applications. 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 (Standard)
  • HY-N11084
    Salviaplebeiaside
    		Inhibitor
    Salviaplebeiaside is a phenolic substance can be isolated from the aerial part of Vitex negundo var. cannabifolia. Salviaplebeiaside is an inhibitor of class I p-glycoprotein.
    Salviaplebeiaside
  • HY-B0947R
    Sulfanitran (Standard)
    		Activator
    Sulfanitran (Standard) is the analytical standard of Sulfanitran. This product is intended for research and analytical applications. Sulfanitran is an antibacterial and anticoccidial agent used in poultry feeds. Sulfanitran also is a multidrug resistance protein 2 (MRP2) stimulator that can increase the affinity of MRP2 for estradiol-17-β-D-glucuronide (E217βG).
    Sulfanitran (Standard)
  • HY-14275S
    Verapamil-d3
    		Inhibitor
    Verapamil-d3 ((±)-Verapamil-d3) is deuterium labeled Verapamil. 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>3</sub>
  • HY-13646B
    Encequidar hydrochloride
    		Inhibitor
    Encequidar hydrochloride (HM30181 hydrochloride) is an oral P-glycoprotein (P-gp) inhibitor with the activity of enhancing the oral bioavailability of P-gp substrate drugs. Encequidar shows the highest potency among various MDR1 inhibitors, with IC50=0.63nM. Encequidar effectively blocks the transepithelial transport of paclitaxel in MDCK monolayer cells, with IC50=35.4nM.
    Encequidar hydrochloride
  • HY-N11697
    α-Cryptoxanthin
    		Inhibitor
    α-Cryptoxanthin is a natural carotenoid with anticancer effects. α-Cryptoxanthin inhibits multidrug resistance 1 (MDR1) mediated efflux pump.
    α-Cryptoxanthin
  • HY-N5166
    Ardeemin
    		Inhibitor
    Ardeemin ((-)-Ardeemin) binds to the P-glycoprotein, preventing anticancer agent from being pumped out of cells. Ardeemin reverses the multidrug resistance phenotype of tumor cells and increases the sensitivity of tumor cells to anticancer agent in mammary carcinoma xenografts.
    Ardeemin
Cat. No. Product Name / Synonyms Application Reactivity