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Evaluation Of Protection Induced By Dna Vaccine Candidate Against Leishmania Mexicana In Balb/C Mice Model, Rosina Rodarte Jan 2012

Evaluation Of Protection Induced By Dna Vaccine Candidate Against Leishmania Mexicana In Balb/C Mice Model, Rosina Rodarte

Open Access Theses & Dissertations

Background and Significance. The leishmaniases are a diverse group of diseases with four major clinical manifestations: cutaneous, mucocutaneous, visceral, and diffuse. Approximately 21 Leishmania species and 30 sandfly vectors have been implicated in human leishmaniasis. Leishmaniasis is endemic in 88 countries, 72 are developing countries. Currently, 350 million people live in leishmaniasis-endemic areas around the world. The true incidence of the disease is not known. However, the estimated incidence for visceral leishmaniasis is 500,000 cases per year, and for cutaneous and mucocutaneous leishmaniasis 1.5-2 million cases per year. Visceral leishmaniasis causes 70,000 deaths each year. In the Americas region, …


Mobilizing Subdominant Hiv-Specific Ctls As A Novel Vaccine Strategy, Margaret Christina Costanzo Jan 2012

Mobilizing Subdominant Hiv-Specific Ctls As A Novel Vaccine Strategy, Margaret Christina Costanzo

Open Access Theses & Dissertations

To overcome the extreme antigenic diversity of HIV, there is increasing interest in developing vaccines that target CD8 T cell responses to conserved regions of the viral proteome. Understanding the immunogenic potential of these domains is therefore critical for the success of this vaccine strategy. CD8 T cell responses to conserved domains restricted by the "neutral" and highly prevalent HLA-A2 allele have not been extensively characterized. Here we describe a novel essentially invariant 10-mer epitope in HIV Gag (p2414-23, RTLNAWVKVV (RV10)) in that it is expressed by the majority HIV isolates from all clades. Here we examined the character of …