Antitubercular activity of trifluoperazine, a calmodulin antagonist

1 October 1992

journal article
Published by Oxford University Press (OUP) in FEMS Microbiology Letters

Vol. 97 (1-2) , 73-76
https://doi.org/10.1016/0378-1097(92)90366-v

Abstract

Trifluoperazine, a calmodulin antagonist, completely inhibited the growth of mycobacteria. The minimum inhibitory concentrations in shake cultures in a synthetic medium containing 0.2% Tween 80 were 5 and 8 μg/ml, respectively, for the human pathogenic strain Mycobacterium tuberculosis H₃₇R_v and M. tuberculosis resistant to isoniazid. When added to a growing culture of M. t tuberculosis H₃₇R_v on the 10th day (mid exponential phase), trifluoperazine 50 μg/ml further arrested growth of this organism. It is suggested that trifluoperazine or similar calmodulin antagonists might be useful as antitubercular drugs.

Keywords

TRIFLUOPERAZINE
CALMODULIN ANTAGONIST
MYCOBACTERIUM TUBERCULOSIS
ANTITUBERCULAR ACTION

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