CTL Responses to DCs Stimulated with Leishmania Antigens Detected by DCs Expressing Leishmania gp63
Author(s):
Abstract:
Background
Leishmania is a pathogenic parasite which infects mononuclear cells in vertebrate hosts. Different strategies have been taken to develop immunity against Leishmania. DCs loaded with immunogenic antigen have resulted in different levels of Th1-type immune response and cytotoxic T lymphocytes (CTL) activity. Objective
To evaluate the potency of DCs primed with soluble Leishmania mexicana antigens (SLA) in developing CTL activity. Methods
DCs were loaded with SLA and injected to Balb/c mice. After two weeks the mice were sacrificed and their splenocytes were used as effector cells in a standard 4-hour cytotoxicity assay against DCs transfected with pcDNA3 containing L. mexicana gp63 gene. Results
Immunization of Balb/c mice with DCs loaded with SLA resulted in high levels of CTL activity against DCs transfected with pcDNA3 containing L. mexicana gp63 gene. Conclusions
The results indicate a high potency for DCs primed with Leishmania antigens in inducing CTL activity, which can be used for developing an immunogenic vaccine against Leishmania.Keywords:
Balb , c , Cytotoxicity , DCs , gp63 , Leishmania
Language:
English
Published:
Iranian journal of immunology, Volume:11 Issue: 2, Spring 2014
Pages:
65 to 73
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