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LY335979 (Zosuquidar 3HCL)Pgp (P-glycoprotein) inhibitor

LY335979 (Zosuquidar 3HCL)

Catalog No. A8549
Size Price Stock Qty
10mg $88.00 In stock
50mg $352.00 In stock
100mg $616.00 In stock

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Sample solution is provided at 25 µL, 10mM.

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Chemical structure

LY335979(Zosuquidar 3HCI)

Biological Activity

Description Zosuquidar (LY335979) is a potent modulator of P-glycoprotein-mediated multi-drug resistance with a Ki value of 60 nM.
Targets P-gp          
IC50 60 nM(Ki)          

LY335979 (Zosuquidar 3HCL) Dilution Calculator

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Chemical Properties

Cas No. 167465-36-3 SDF Download SDF
Synonyms RS 33295-198; Zosuquidar trihydrochloride; LY335979; LY-335979
Chemical Name (R)-1-(4-((1aR,6s,10bS)-1,1-difluoro-1,1a,6,10b-tetrahydrodibenzo[a,e]cyclopropa[c][7]annulen-6-yl)piperazin-1-yl)-3-(quinolin-5-yloxy)propan-2-ol trihydrochloride
Canonical SMILES FC1([C@H](C2=CC=CC=C23)[C@@H]1C4=CC=CC=C4[C@H]3N5CCN(C[C@H](COC6=C7C(N=CC=C7)=CC=C6)O)CC5)F.Cl.Cl.Cl
Formula C32H34Cl3F2N3O2 M.Wt 637.0
Solubility Soluble in DMSO > 10 mM Storage Store at -20°C
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
Shipping Condition Evaluation sample solution : ship with blue ice
All other available size: ship with RT , or blue ice upon request

Background

LY335979 is a selective inhibitor of P-Gp with IC50 value of 1.2 nM [1, 2].

P-gp (P-glycoprotein) is a member of ATP-binding cassette (ABC) transporters and plays a pivotal role in pumping many foreign substances out of cells. It has been reported that abnormal expression of P-Gp is correlated with the multidrug resistance of tumor cells [3].

LY335979 is a potent P-Gp inhibitor and has a different selectivity with the reported P-Gp inhibitor cyclosporin A or verapamil. In drug-resistant cell line HL60/VCR with highly expression of P-Gp, LY335979 exhibited highly restore ability of P-Gp than cyclosporin A or verapamil and the IC 50 value of 1.2 nM [1]. When tested with a panel of cell lines over-expressed P-Gp (CEM/VLB100, MCF-7/ADR, 2780AD, P388/ADR, and UCLA-P3.003VLB), administration of LY335979 reversed the cells resistance to Vinblastine, Doxorubicin, Btoposide and Taxol by inhibiting P-Gp activity [2].

In female nude mice model with UCLA-P3.003VLB MDR tumor cells subcutaneous xenograft, pre-treated with LY335979 (30mg/kg) restored tumor cells sensitivity to Taxol (20 mg/kg) which combination markedly suppressed solid tumor growth compared with control group [2].

References:
1.  Green, L.J., P. Marder, and C.A. Slapak, Modulation by LY335979 of P-glycoprotein function in multidrug-resistant cell lines and human natural killer cells. Biochem Pharmacol, 2001. 61(11): p. 1393-9.
2.  Dantzig, A.H., et al., Reversal of P-glycoprotein-mediated multidrug resistance by a potent cyclopropyldibenzosuberane modulator, LY335979. Cancer Res, 1996. 56(18): p. 4171-9.
3.   Hu, T., et al., Reversal of P-glycoprotein (P-gp) mediated multidrug resistance in colon cancer cells by cryptotanshinone and dihydrotanshinone of Salvia miltiorrhiza. Phytomedicine, 2014. 21(11): p. 1264-72.