產(chǎn)品目錄

規(guī)格	5mg 10mg 50mg 100mg
CAS	167354-41-8
別名	LY335979;LY 335979;LY-335979
化學(xué)名	(2R)-1-(4-((1aR,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
分子式	C32H31F2N3O2
分子量	527.6
溶解度	Soluble in DMSO
儲存條件	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.
Shipping Condition	Evaluation sample solution : ship with blue ice All other available size: ship with RT , or blue ice upon request

產(chǎn)品描述：

Zosuquidar (LY335979) 3HCl is a novel and potent modulator of P-glycoprotein (P-gp) [1]. P-gp is wildly expressed in brain, liver, small intestine and tumor cells and acts as an efflux pump responsible for multidrug resistance in tumor cells. Overexpression of Pgp in tumors results in multidrug resistance (MDR) to structurally unrelated oncolytics [2].

In vitro: In CEM/VLB100 cells, LY335979 treatment (0.1 μM) fully restored the sensitivity to vinblastine, doxorubicin (Dox), etoposide, and Taxol. In CEM/VLB100 plasma membranes, LY335979 blocked [3H]azidopinephotoaffinity labeling of the M(r) approximately 170,000 Pgp and competitively inhibited equilibrium binding of [3H]vinblastine to Pgp with the Ki value of approximately 0.06 μM [3]. In all P-gp-expressing leukemia cell linesincluding K562/HHT40, K562/HHT90, K562/DOX and HL60/DNR, Zosuquidar completely or partially restored drug sensitivity. In primary AML blasts with active P-gp, Zosuquidar enhanced the cytotoxicity of anthracyclines (daunorubicin, idarubicin, mitoxantrone) and gemtuzumabozogamicin (Mylotarg)[4].

In vivo: In mice bearing P388/ADR murine leukemia cells,treatment with LY335979 in combination with Dox or etoposide significantly increased in life span with no apparent alteration of pharmacokinetics. In a MDR human non-small cell lung carcinoma nude mouse xenograft model, LY335979 enhanced the antitumor activity of Taxol [3].

Clinical trials: In patients with untreated non-Hodgkin's lymphoma,a phase I/II trial was conducted to investigate the safety and tolerance of zosuquidar. In patients giving three doses of 500 mg of zosuquidar p.o. in combination with CHOX, toxicity was minimal and no enhancement of CHOP-related toxicity was observed [5]. In patients with advanced solid tumours in Phase I study, zosuquidar(100–300 mg/m2) can inhibit vinorelbine clearance to a modest degree[6].

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1. 本產(chǎn)品僅供科研使用。請勿用于醫(yī)藥、臨床診斷或治療，食品及化妝品等用途。請勿存放于普通住宅區(qū)。

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原創(chuàng)作者：上海莼試生物技術(shù)有限公司

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