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Microbiology

Master's Theses

Adenovirus

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The Role Of Pidd Protein In Adenoviral Induction Of Apoptosis, Iris Teresa Figueroa Jan 2015

The Role Of Pidd Protein In Adenoviral Induction Of Apoptosis, Iris Teresa Figueroa

Master's Theses

The Adenovirus E1A gene sensitizes cells to genetic insults and apoptosis, most notably in response to cytotoxic factors from innate immune cells. The mechanisms by which E1A sensitizes cells to apoptotic stressors have not been fully elucidated, however E1A actively represses NF-κB anti-apoptotic defenses, thereby sensitizing cells to alternative apoptotic cascades. Recent studies alternatively indicate that E1A also actively induces Caspase-2 activation and mitochondrial injury in the presence of certain cytotoxic injuries.

Caspase-2 is cleaved and activated in a large complex consisting of p53-inducible protein with a death domain (PIDD), an adaptor protein RAIDD, and pro-caspase 2. PIDD auto-proteolyzes into …


Malaria Transmission Blocking Vaccines, Lukasz Jacek Sewera Jan 2015

Malaria Transmission Blocking Vaccines, Lukasz Jacek Sewera

Master's Theses

Malaria affects 198 million people and kills 584,000 each year, predominantly in Sub-Saharan Africa (WHO). The most severe form of malaria is caused by the protozoan parasite Plasmodium falciparum. Development of a vaccine against P. falciparum has been hindered by its complex life cycle with multiple antigenically distinct human and mosquito stages. To effectively prevent disease and reduce the parasite burden in populations, a vaccine will need to target multiple stages, including blocking transmission at the mosquito stage.

Antibodies generated against P. falciparum mosquito stage antigen Pfs25 can prevent parasite transmission from humans to mosquitoes. However, Pfs25 is poorly immunogenic …