BCL2 and infection: For investigating the changes in the expression of Bcl-2 family proteins after infection with L. donovani parasite, THP-1 monocyte-derived macrophages (THP-1 MDM) were challenged at MOI of 1 macrophage:10 parasites (Figure S1A in Supplementary Material) in vitro, and the levels of Bcl-2 family proteins were measured.