Promastigotes of Leishmania (L.) amazonensis LV79 (MPRO/BR/72/M 1841) and PH8 (IFLA/BR/67/PH8) strains were cultured at 24°C in M199 medium supplemented with 10% fetal calf serum (FCS). Parasites were sub-cultured every 7 days to inoculums of 2 × 106/mL.
For differentiation of amastigotes into promastigotes, lesion-derived parasites were counted using Neubauer chamber and transferred to M199 medium with 10% FCS at densities of 103, 104 and 105 parasites/mL. Cells were incubated at 24°C for 4 days and promastigote densities were determined.
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