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Cathepsin B activity was evaluated in human monocyte-derived macrophages infected and non-infected with M. tuberculosis H37Rv and non-treated and treated with verapamil (VP), thioridazine (TZ), chlorpromazine (CPZ), flupenthixol (FPX) and haloperidol (HAL). VP was tested at 10 μg/ml; TZ at 2.5 μg/ml; CPZ at 1.25 μg/ml; HAL at 1.25 μg/ml; FPX at 1.25 μg/ml. The results were considered highly significant, **P < 0.01.
