PCR products of infected ADMSC isolates. M = pUC mix marker 8. Lanes 1–5, L. major (lane 1, 7th day; lane 2, 14th day; lane 3, 21st day; lane 4, 28th day; lane 5, positive control). Lane 6, negative control. Lanes 7–11, L. donovani (lane 7, 7th day; lane 8, 14th day; lane 9, 21st day; lane 10, 28th day; lane 11, positive control).