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Comparative Study
. 1996 Oct-Dec;21(4):281-4.
doi: 10.1007/BF03189728.

Can trifluoperazine protect mitochondria against reactive oxygen species-induced damage?

R de D Pereira  1 , M Hermes-Lima
Affiliations
Comparative Study

Can trifluoperazine protect mitochondria against reactive oxygen species-induced damage?

R de D Pereira et al. Eur J Drug Metab Pharmacokinet. 1996 Oct-Dec.

Abstract

Trifluoperazine (TFP) (35 microM) prevents mitochondrial transmembrane potential (delta psi) collapse and swelling induced by 10 microM Ca2+ plus oxyradicals generated from delta-aminolevulinic acid autoxidation. In contrast with EGTA, TFP cannot restore the totally collapsed delta psi. So, TFP might not remove Ca2+ from its 'harmful site', but could impair the ROS-driven cross-linking between membrane-SH proteins. Our data are correlated with the protective uses of TFP against oxidative processes promoted by oxyradicals plus Ca2+.

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