Cat. No. 4042
Alternative Name: Valspodar
Chemical Name: 6-[(2S,4R,6E)-4-methyl-2-(methylami
Biological ActivityP-glycoprotein (P-gp) modulator; inhibits P-gp-mediated multidrug-resistance (MDR). Reverses resistance to several cytotoxic drugs including mitoxantrone and doxorubicin (resistance factors are 2.0 and 6.5 respectively) in human MDR cancer cell lines. Non-immunosuppressive analog of cyclosporin A (Cat. No. 1101).
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.
Certificate of Analysis / Safety Data Sheet
Song et al (1998) Modulation of the tumor disposition of vinca alkaloids by PSC 833 in vitro and in vivo. J.Pharmacol.Exp.Ther. 287 963. PMID: 9864280.
Goda et al (2007) Complete inhibition of P-glycoprotein by simulataneous treatment with a distinct class of modulators and the UIC2 monoclonal antibody. J.Pharmacol.Exp.Ther. 320 81. PMID: 17050779.
Shen et al (2008) Quantitation of doxorubicine uptake, efflux, and modulation of multidrug resistance (MDR) in MDR human cancer cells. J.Pharmacol.Exp.Ther. 324 95. PMID: 17947497.
Shen et al (2009) Dynamic assessment of mitoxantrone resistance and modulation of multidrug resistance by Valspodar (PSC833) in multidrug resistance human cancer cells. J.Pharmacol.Exp.Ther. 330 423. PMID: 19423841.
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Keywords: PSC 833, supplier, PSC833, P-glycoprotein, inhibitors, inhibits, P-gp, cyclosporin, A, analog, analogue, ABCB1