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    ABSTRACT: The cytotoxic and anti-Mycobacterium tuberculosis H37Rv activities of hydro-alcoholic extract of Lannea acida A. Rich (Anacardiaceae) were assessed. The cytoxicity evaluation was carried out on THP1 monocytoid cell line (after 24 h at 1; 5 and 10 μg mL<SUP>-1</SUP>) and showed only a slight modification of lactate dehydrogenase (LDH) release. The rate of monocytes in different stages of mitosis had been amended in absence and presence of extract as follows: Go/ G1 58.83 - 59.83%; synthesis 21.95 - 18.64%; mitosis 16.67 - 15.77%; necrosis 2.65 - 5.64 %. The percentage of inhibition of Mycobacterium tuberculosis proliferation was respectively 77.6 and 36.8% at 1.2 and 0.6 mg mL<SUP>-1</SUP> of extract. This is an interesting experimental study on antimicrobial and immune-stimulating properties of Lannea acida ethanol-water (70%v/v) extract which may contain potential antibacterial and immune-stimulating agents for clinical use.
    Pakistan Journal of Biological Sciences 01/2011;