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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Apoptosis of Leishmania (Leishmania) chagasi amastigotes in hamsters infected with visceral leishmaniasis

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Author(s):
Lindoso, José A. L. ; Cotrim, Paulo C. [2] ; Goto, Hiro
Total Authors: 3
Document type: Journal article
Source: International Journal for Parasitology; v. 34, n. 1, p. 1-4, Jan. 2004.
Field of knowledge: Biological Sciences - Parasitology
Abstract

Apoptosis in amastigotes from hamsters infected with visceral leishmaniasis was absent 30-day post-infection but appeared 90-day post-infection in the liver and spleen, as analysed using the TUNEL method. Necrosis was not present in these tissues and the nuclei of macrophages harbouring apoptotic amastigotes were preserved. Amastigote DNA fragmentation was demonstrated using agarose gel electrophoresis. DNA fragmentation was evident 90-day post-infection, coinciding with the occurrence of apoptosis of amastigotes in the tissues. Apoptosis of Leishmania amastigotes in vivo may constitute a mechanism that regulates growth of the parasite population during infection. (AU)