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P-gp & BCRP inhibitor
Elacridaris a prototypical BCRP inhibitor which inhibits the Bcrp1-mediated transport.- Leo Shen, .et al. , Sci Rep, 2021, Sep 16;11(1):18516 PMID: 34531456
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P-gp inhibitor
Tariquidar (XR9576) is a P-glycoprotein drug efflux pump inhibitor.- Maria Joao Moreno, .et al. , Pharmaceutics, 2023, Jan 3;15(1):174 PMID: 36678803
- Yuko Sasaki, .et al. , Biol Pharm Bull, 2022, 45(9):1246-1253 PMID: 36047192
- Sugisawa N, .et al. , Mol Pharm, 2018, Sep 4;15(9):4021-4030 PMID: 30052463
- Samy A. F. Morad, .et al. , Biochem Pharmacol, 2017, Apr 15; 130: 21-33 PMID: 28189725
- Debora Petroni, .et al. , Mol Imaging Biol, 2016, Dec;18(6):916-923 PMID: 27234445
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MDR1/P-gp Inhibitor
PSC-833 is a kind of P-glycoprotein (P-gp) modulator that inhibits P-gp-mediated multidrug-resistance (MDR).- Somin Lee, .et al. , Methods Mol Biol, 2022, 2492:251-263 PMID: 35733049
- Somin Lee, .et al. , Biotechnol Bioeng, 2019, 10 November
- Somin Lee, .et al. , bioRxiv, 2018, Nov. 18 PMID: 31709508
- Watanabe N, .et al. , Biopharm Drug Dispos, 2018, Jan;39(1):30-37 PMID: 29055041
- Higashi H, .et al. , Biol Pharm Bull, 2017, 40(8):1314-1319 PMID: 28769012
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P-glycoprotein Inhibitor
1-Monopalmitin, also known as Glyceryl palmitate, functions as an inhibitor of P-glycoprotein (P-gp) and modulates the PI3K/Akt signaling pathway. It has been shown to induce G2/M phase arrest and promote caspase-dependent apoptosis in cancer cells, while also downregulating inhibitor of apoptosis proteins (IAPs). Additionally, 1-Monopalmitin enhances drug accumulation in intestinal Caco-2 cells by inhibiting P-gp activity and has demonstrated the ability to induce protective autophagy and apoptosis in lung cancer cells with an IC50 of 50-58 μg/mL, exhibiting low toxicity towards normal cells. -
HIV-1 protease/PTP1B inhibitor
Isosinensetin is a bioactive flavonoid compound with diverse pharmacological properties. It acts as a dual inhibitor of HIV-1 protease and protein tyrosine phosphatase 1B (PTP1B), with an IC₅₀ of 2.61 µM and a Kᵢ of 0.92 µM for PTP1B, indicating its potential in antiviral and metabolic disease research. Additionally, isosinensetin inhibits P-glycoprotein (P-gp) activity in MDR1-MDCKII cells, suggesting its utility in overcoming multidrug resistance. Isosinensetin exhibits multiple therapeutic effects, including anti-tumor, anti-viral, anti-inflammatory, and antioxidant activities. These properties support its application in the research of various conditions such as cancer, chronic inflammation, osteoporosis, diabetes, and infectious diseases. -
CB1/P-gp Inhibitor
Voacamine is an indole alkaloid that acts as an antagonist of the cannabinoid receptor 1 (CB1) and also functions as a P-glycoprotein (P-gp) inhibitor. This compound enhances the efficacy of Doxorubicin by modulating P-gp activity, promoting apoptosis-independent autophagic cell death in human osteosarcoma cells. Additionally, Voacamine activates mitochondrial-associated apoptosis signaling pathways while inhibiting the PI3K/Akt/mTOR pathway, thus suppressing breast cancer progression. Moreover, it demonstrates oncogenic activity against colorectal cancer by inhibiting epidermal growth factor receptor (EGFR). -
Mdr1p Inhibitor
P-gp-IN-34 is a potent inhibitor of the Mdr1p pump, targeting multidrug resistance in various biological contexts. It has demonstrated efficacy in inhibiting the yeast-to-hyphal transition in Candida albicans, a critical process in its pathogenicity. This compound is suitable for research applications focused on candidiasis and the mechanisms of antifungal resistance. -
P-gp inhibitor
Norverapamil hydrochloride ((±)-Norverapamil hydrochloride), an N-demethylated metabolite of Verapamil, is a L-type calcium channel blocker and a P-glycoprotein (P-gp) function inhibitor. -
P-gp inhibitor
P-gp inhibitor 1 is a novel inhibitor reversing P-glycoprotein-mediated multidrug resistance. -
P-gp inhibitor
Laniquidar is a third-generation P-gp inhibitor, which has been used in clinic trials for modulating multidrug resistance transporters. -
P-glycoprotein inhibitor
Encequidar mesylate (HM30181 mesylate; HM30181A mesylate) is a competitive and potent P-glycoprotein inhibitor. -
sphingomyelin synthase inhibitor
Dofequidar, also known as MS-209, is a quinolone-derived sphingomyelin synthase inhibitor that blocks P-glycoprotein and multidrug resistance-associated protein-1, is under development by Schering for the potential treatment of multidrug resistant tumors. -
P-glycoprotein inhibitor
Encequidar (HM30181; HM30181A) is a potent and selective inhibitor of P-glycoprotein. -
P-gp inhibitor
Elacridar hydrochloride is a P-glycoprotein inhibitor, and has been used both in vitro and in vivo as a tool inhibitor of P-glycoprotein (Pgp) to investigate the role of transporters in the disposition of various test molecules. -
P-gp inhibitor
Zosuquidar is a potent modulator of P-glycoprotein-mediated multi-drug resistance with Ki of 60 nM. -
P-Glycoprotein Inhibitor
(R)-Verapamil hydrochloride is an orally active P-Glycoprotein inhibitor that effectively blocks MRP1-mediated transport. This compound induces apoptosis and inhibits L-type calcium channels, including BZPcc, DHPcc, and PLLcc. Additionally, (R)-Verapamil hydrochloride demonstrates potential anti-septic shock and anti-diabetic effects, making it suitable for a range of research applications in cellular signaling and drug transport studies. -
P-gp Inhibitor
RMS3 is a tetrandrine analogue that functions as a potent inhibitor of P-glycoprotein (P-gp). This compound exhibits significant antiproliferative and cytotoxic effects on various cancer cell lines. Notably, RMS3 induces PARP cleavage, which is indicative of cells undergoing apoptosis. Its strong anticancer properties make RMS3 a valuable tool for cancer research and therapeutic studies. -
P-gp Inhibitor
RMS5 is a potent P-glycoprotein (P-gp) inhibitor, derived from a tetrandrine analogue. It exhibits significant antiproliferative and cytotoxic effects on cancer cells, contributing to its strong anticancer properties. Additionally, RMS5 has been observed to reduce the expression of anti-apoptotic Bcl-2 family proteins Bcl-XL and Mcl-1 while inducing PARP cleavage, a hallmark of apoptosis. This compound is valuable for research applications focusing on cancer therapeutics and the modulation of multidrug resistance. -
P-gp Inhibitor
(R)-OY-101 is an orally active and selective inhibitor of P-glycoprotein (P-gp). This compound enhances the sensitivity of tumors to anticancer agents by reversing drug resistance and promoting apoptosis. It has valuable applications in cancer research, particularly in studies focused on overcoming multidrug resistance and improving therapeutic efficacy. -
P-glycoprotein Inhibitor
P-gp inhibitor 22 is a potent inhibitor of P-glycoprotein (P-gp), effectively blocking its efflux function. This compound has been shown to induce apoptosis and promote the accumulation of MCF-7/ADR cells in the S phase of the cell cycle. Its ability to inhibit P-gp makes it relevant in studies focused on multidrug resistance and cancer therapeutics. -
HCV Inhibitor
Vedroprevir is a potent inhibitor of the HCV NS3/4A protease, demonstrating an IC50 of 3.2 nM. In addition to its antiviral activity, Vedroprevir also inhibits the breast cancer resistant protein (BCRP) with an IC50 of 1.4 μM, as well as P-glycoprotein (P-gp), MRP1, and MRP2 with IC50 values of 34 μM, 14.9 μM, and 12 μM, respectively. These characteristics make Vedroprevir valuable for research in hepatitis C and multidrug resistance cancer studies. Its favorable pharmacokinetic profile has been observed in preclinical models, including rats and dogs. -
P-gp Inhibitor
Milbemycin A4 is a potent inhibitor of P-glycoprotein (P-gp), effectively reversing multidrug resistance in tumor cells. As a member of the macrolide antibiotic family, Milbemycin A4 displays significant insecticidal and acaricidal properties. This compound is valuable for research focused on overcoming chemotherapy resistance and studying P-gp-related mechanisms in cellular drug transport. -
P-glycoprotein Inhibitor
NSC 23925B is a potent inhibitor of P-glycoprotein (P-gp), which plays a critical role in multidrug resistance in cancer cells. This compound effectively reverses P-glycoprotein-mediated resistance and shows moderate inhibitory activity against CYP2B6 and CYP2D6 with IC50 values of 8.589 μM and 1.407 μM, respectively. NSC 23925B is valuable for research focused on overcoming multidrug resistance in cancer therapy and studying P-glycoprotein's role in drug disposition. -
P-glycoprotein Inhibitor
Dofequidar fumarate is a potent P-glycoprotein (P-gp) inhibitor that also targets multidrug resistance-associated protein-1 (MDR-1). This quinoline compound effectively reverses multidrug resistance in tumor cells by competitively inhibiting ABCB1/P-gp and ABCC1/MRP-1. By blocking the efflux of chemotherapeutic agents, Dofequidar fumarate increases drug concentration within cancer cells, thereby enhancing the efficacy of chemotherapy. Its application is particularly relevant in cancer research focused on overcoming drug resistance. -
P-glycoprotein Inhibitor
Reversin 121 is a potent P-glycoprotein inhibitor that enhances the ATPase activity of the MDR1 gene product. By reversing P-glycoprotein-mediated multidrug resistance, it plays a critical role in overcoming drug resistance in cancer therapies. This compound is valuable for research applications focused on enhancing the efficacy of anticancer drugs in resistant cancer cell lines. -
P-gp Inhibitor/Potassium Channel Activator
GPV0057 is a selective and potent inhibitor of P-glycoprotein (P-gp) and a specific activator of the potassium channel Kir2.1. By competitively binding to the substrate-binding site of P-gp, GPV0057 inhibits ATP-dependent drug efflux, effectively reversing multidrug resistance in tumor cells. Additionally, it stabilizes the open state of Kir2.1, facilitating potassium ion influx. This compound holds potential for research in tumors characterized by high P-gp expression and in conditions such as heart failure and Andersen-Tawil Syndrome that involve Kir2.1 deficiency. -
P-Glycoprotein Inhibitor
Boeravinone B is a dual inhibitor of the NorA efflux pump in Staphylococcus aureus and human P-glycoprotein. This compound exhibits significant anti-biofilm activity and reduces intracellular bacterial invasion. Additionally, Boeravinone B demonstrates potential anti-aging and anti-apoptotic effects under oxidative stress conditions, making it a valuable reagent for research in microbiology and cellular aging pathways. -
P-glycoprotein Inhibitor
PGP-4008 is a selective inhibitor of P-glycoprotein (Pgp), known for its role in multidrug resistance (MDR) in cancer cells. This compound demonstrates significant antitumor activity by enhancing the efficacy of chemotherapeutic agents, particularly Doxorubicin, in murine models characterized by Pgp-mediated resistance. PGP-4008 is valuable for research into overcoming drug resistance in cancer therapy and the modulation of pharmacokinetics in oncology. -
P-glycoprotein Inhibitor
WS-898 is a potent P-glycoprotein inhibitor that effectively reverses paclitaxel resistance in various drug-resistant cancer cell lines, including SW620/Ad300, KB-C2, and HEK293/ABCB1, with IC50 values of 5.0, 3.67, and 3.68 nM, respectively. This compound serves as a valuable tool for research focused on overcoming multidrug resistance in cancer therapeutics. Its ability to inhibit ABCB1 transport activity makes it an important reagent for studies aimed at enhancing the efficacy of chemotherapeutic agents. -
P-gp Inhibitor
YS-370 is a potent and selective inhibitor of P-glycoprotein (P-gp) that exhibits oral bioavailability. It facilitates the P-gp ATPase activity while demonstrating moderate inhibition of CYP3A4. This compound effectively reverses multidrug resistance (MDR) in cell lines such as SW620/AD300 and HEK293T-ABCB1, particularly in conjunction with paclitaxel, leading to enhanced antitumor efficacy. YS-370 is valuable for research focused on overcoming drug resistance in cancer therapy. -
P-gp Inhibitor
Tariquidar dihydrochloride is a potent and selective inhibitor of P-glycoprotein (P-gp), exhibiting a high affinity with a Kd of 5.1 nM. This compound significantly enhances the bioavailability of co-administered drugs by inhibiting P-gp-mediated drug efflux. It is widely used in research to investigate the roles of P-gp in pharmacokinetics, drug-drug interactions, and multidrug resistance in cancer therapies. -
P-gp Inhibitor
OY-101 is a potent and orally active inhibitor of P-glycoprotein (P-gp). This compound demonstrates the ability to sensitize drug-resistant tumors, effectively reversing multidrug resistance in cancer cells. With improvements in water solubility, cytotoxicity, and reversal activity compared to Tetrandrine, OY-101 represents a valuable tool in cancer research and development of therapeutic strategies for overcoming drug resistance. -
ABCB1 Inhibitor
Tariquidar dimesylate is a potent ABCB1 inhibitor targeting P-glycoprotein (P-gp). By binding to P-glycoprotein, it effectively increases the concentration of therapeutic agents within the brain, inhibiting their active transport out of cerebral tissue. This compound is invaluable for investigating blood-brain barrier permeability and understanding mechanisms of multidrug resistance in cancer and neurological research. -
P-glycoprotein Inhibitor
Encequidar mesylate hydrochloride is a selective inhibitor of P-glycoprotein (MDR1), which plays a crucial role in drug resistance. This compound enhances the anti-tumor efficacy of Paclitaxel in various mouse tumor models, making it valuable for cancer research. Encequidar mesylate hydrochloride is primarily utilized to study drug interactions and to evaluate therapeutic strategies aimed at overcoming multidrug resistance in cancer treatment. -
P-gp Inhibitor
P-gp Inhibitor 17 is a selective inhibitor of P-glycoprotein (P-gp), directly targeting its transmembrane domain to modulate its activity. This compound is particularly useful for investigating P-gp-mediated multidrug resistance in cancer cells, providing insights into therapeutic strategies for overcoming resistance in oncology research. Its role in enhancing drug bioavailability and efficacy makes it a valuable tool for studying tumor cell behavior and treatment response. -
P-gp Inhibitor
P-gp Inhibitor 13 specifically targets P-glycoprotein (P-gp), functioning as an inhibitor to reverse P-glycoprotein-mediated drug resistance. This compound has demonstrated effectiveness in overcoming paclitaxel resistance in A2780/T cells, making it a valuable tool in cancer research. Its applications extend to the study of advanced acute myeloid leukemia, providing insights into therapeutic strategies for overcoming resistance in this malignancy. -
P-gp Inhibitor
P-gp inhibitor 14 is a potent inhibitor of P-glycoprotein (P-gp), effectively reversing P-gp-mediated multidrug resistance with an EC50 value of 48.74 nM. This compound demonstrates a weak inhibitory effect on CYP3A4 activity, making it a useful agent for enhancing the efficacy of chemotherapeutics in resistant cancer cells. Its primary applications include studies on drug transport mechanisms and overcoming resistance in multidrug-resistant tumors. -
P-gp Inhibitor
Clausarin is a selective P-glycoprotein (P-gp) inhibitor that effectively obstructs the P-gp-mediated efflux of chemotherapeutic agents. It demonstrates significant inhibition of daunorubicin efflux in K562/R7 human leukemia cells that overexpress P-gp, with Cyclosporin A serving as a positive control. Isolated from the roots of Citrus sinensis (sweet orange), Clausarin is a valuable reagent for research focused on overcoming multidrug resistance (MDR) in cancer therapies. -
P-gp/BCRP Inhibitor
P-gp/BCRP-IN-1 is a potent inhibitor targeting P-glycoprotein (P-gp) and Breast Cancer Resistance Protein (BCRP). This compound is designed to reverse drug resistance by inhibiting the efflux activities of these pivotal transporters. P-gp/BCRP-IN-1 enhances the oral bioavailability of chemotherapeutic agents, such as Paclitaxel (PTX), making it a valuable tool in cancer research and therapeutic development. Its efficacy and oral activity suggest a promising utility in overcoming drug resistance in various cancer models. -
P-gp Inhibitor
P-gp Inhibitor 25 is a potent inhibitor of P-glycoprotein (P-gp), which plays a critical role in drug transport and multidrug resistance. This compound enhances the oral bioavailability of paclitaxel, making it valuable in cancer therapy research. Its application in studies focused on overcoming P-gp-mediated drug resistance positions P-gp Inhibitor 25 as a significant tool in the development of effective anticancer treatments. -
P-gp Inhibitor
P-gp-IN-30 is a potent inhibitor of P-glycoprotein (P-gp) that acts by targeting Y-box binding protein 1 (YB-1). This compound enhances the sensitivity of cancer cells to Paclitaxel by decreasing both total and nuclear YB-1 protein levels, leading to the inhibition of P-gp expression and function, and consequently reducing the efflux of Paclitaxel. P-gp-IN-30 has demonstrated significant tumor growth inhibition in A549/Taxol xenograft mouse models and is applicable in research focused on non-small cell lung cancer (NSCLC). -
P-Glycoprotein Inhibitor
Reversin 205 is a selective inhibitor of P-glycoprotein (ABCB1), a crucial protein involved in drug transport and multidrug resistance. This compound serves as a peptide chemosensitizer, enhancing the efficacy of various chemotherapeutic agents by mitigating the efflux of drugs from cancer cells. Reversin 205 is applicable in research focused on overcoming drug resistance in cancer therapy and optimizing chemotherapy outcomes.

