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Type: Artigo de periódico
Title: Antimycobacterial And Cytotoxicity Activities Of Free And Liposome-encapsulated 3-(4'-bromo[1,1'-biphenyl-4-yl)-3-(4-bromo-phenyl)-n,n- Dimethyl-2-propen-1-amine
Author: De Souza A.O.
Silva C.L.
Duran N.
Andrade-Santana M.H.
Abstract: The antimycobacterial activity of 3-(4'-bromo[1,1'-biphenyl-4-yl)-3-(4- bromo-phenyl)-N,N-dimethyl-2-propen-1-amine (BBAP), free or incorporated in preformed liposomes, on extracellular M. tuberculosis H37Rv was 8 and 25 μM (MIC), respectively. Extracellular antimycobacterial activity was not significantly improved by entrapment of BBAP in liposomes, but there was a 6.1-fold reduction of BBAP cytotoxicity on J774 macrophages. Liposomal BBAP or its free form showed IC50 values of 165 and 27 μM, resulting in a selectivity index (SI=IC50/MIC) of 3.4 and 6.6, respectively. Free BBAP in concentrations from 10 to 80 μM were quite effective in eliminating intracellular M. tuberculosis while liposomal formulation was less effective at these concentrations.
Citation: Quimica Nova. , v. 33, n. 4, p. 871 - 874, 2010.
Rights: aberto
Date Issue: 2010
Appears in Collections:Unicamp - Artigos e Outros Documentos

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