P-glycoprotein 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).

MK-571 (Standard) is the analytical standard of MK-571 (HY-19989). This product is intended for research and analytical applications. MK-571 (L-660711) is an orally active, potent and selective competitive leukotriene D₄ (LTD₄) receptor antagonist, with K_i values of 0.22 and 2.1 nM in guinea pig and human lung membranes, respectively. MK-571 is also a MRP4 and ABCC1 (MRP1) inhibitor. MK-571 inhibits constitutive and antigen-stimulated S1P (sphingosine-1-phosphate) release.

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 (K_i=59 nM). Zosuquidar trihydrochloride shows anti-tumor activities, and can be used in acute myelogenous leukemia (AML) research.

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).

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.

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.

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.

Glibenclamide-¹³C₆ (Glyburide-¹³C₆) is ¹³C labeled Glibenclamide. Glibenclamide (Glyburide) is an orally active ATP-sensitive K⁺ channel (K_ATP) 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 K_ATP 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.

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.

Quinidine sulfate dihydrate is an orally active antiarrhythmic agent. Quinidine sulfate dihydrate 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 sulfate dihydrate exerts sustained block and open-channel block effects on I_K(f). Quinidine sulfate dihydrate alters the urinary metabolic ratio of Amphetamine, modulates the Pentylenetetrazol-induced seizure threshold, and regulates the anticonvulsant effect of Dextromethorphan. Quinidine sulfate dihydrate can be used in studies related to uterine sarcoma and seizures.

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.

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).

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.

Ceefourin 1 (Standard) is the analytical standard of Ceefourin 1 (HY-101453). This product is intended for research and analytical applications. Ceefourin 1 is a potent and highly selective multidrug resistance protein 4 (MRP4) inhibitor. Ceefourin 1 inhibits transport of a broad range of MRP4 substrates, yet is highly selective for MRP4 over other ABC transporters. Ceefourin 1 is a benzothiazol and primarily as a chemosensitizer for high-risk neuroblastoma.

Quinidine hydrochloride monohydrate (Standard) is the analytical standard of Quinidine hydrochloride monohydrate (HY-B1302). This product is intended for research and analytical applications. Quinidine hydrochloride monohydrate is an orally active antiarrhythmic agent. Quinidine hydrochloride monohydrate 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 monohydrate exerts sustained block and open-channel block effects on I_K(f). Quinidine hydrochloride monohydrate alters the urinary metabolic ratio of Amphetamine, modulates the Pentylenetetrazol-induced seizure threshold, and regulates the anticonvulsant effect of Dextromethorphan. Quinidine hydrochloride monohydrate can be used in studies related to uterine sarcoma and seizures.

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.

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.

8-prenylchrysin is a C8-prenylated flavonoid. 8-prenylchrysin inhibits P-gp. 8-prenylchrysin can be used for tumor research.

Zamicastat (Standard) is the analytical standard of Zamicastat (HY-106004). This product is intended for research and analytical applications. Zamicastat (BIA 5-1058) is a dopamine β-hydroxylase (DBH) inhibitor and can cross the blood-brain barrier (BBB) to cause central as well as peripheral effects. Zamicastat is also a concentration-dependent dual P-gp and BCRP inhibitor with IC₅₀ values of 73.8 μM and 17.0 μM, respectively. Zamicastat reduces high blood pressure.

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.