PMID: 8987667Oct 1, 1996Paper

Nicardipine and nifedipine inhibit fatty acid desaturases in rat liver microsomes

Bioscience, Biotechnology, and Biochemistry
H KawashimaS Shimizu

Abstract

Nicardipine and nifedipine, Ca channel blockers, inhibited rat liver microsomal desaturases, though verapamil, methoxyverapamil, cinnarizine, flunarizine, and diltiazem did not. However, nicardipine and nefidipine apparently did not inhibit the fungal desaturation in Mortierella alpina 1S-4. Nicardipine inhibited rat liver microsomal delta 5 desaturase specifically (50% inhibitory concentration. 170 microM), and nifedipine inhibited delta 6 desaturase specifically (78 microM). The inhibition by nicardipine and nifedipine is uncompetitive, the Ki values for delta 5 and delta 6 desaturases being 62 and 44 microM, respectively.

Citations

Oct 20, 2005·Journal of Bioscience and Bioengineering·M Certik, S Shimizu

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