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Immunology and Infectious Disease

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USF Tampa Graduate Theses and Dissertations

2023

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Evaluation Of The Humoral Immune Responses To Plasmodium Vivax Circumsporozoite Protein (Csp)-Based Pre-Erythrocytic Vaccine Candidates, Jack Esquenazi Jun 2023

Evaluation Of The Humoral Immune Responses To Plasmodium Vivax Circumsporozoite Protein (Csp)-Based Pre-Erythrocytic Vaccine Candidates, Jack Esquenazi

USF Tampa Graduate Theses and Dissertations

Malaria, caused by the apicomplexan Plasmodium spp. , is a major public health issue that impacts over one-third of the world’s population ,with Plasmodium vivax accounting for over 130 million clinical cases annually. The circumsporozoite protein (CSP) is the most abundant molecule on the surface of Plasmodium sporozoites and is considered a leading pre-erythrocytic stage vaccine candidate. CSP is essential for sporozoite maturation, migration, and invasion. Anti-CSP antibodies interrupt sporozoite migration and infection of hepatocytes thus reducing liver-stage burden. P. vivax CSP is composed of three subdomains: a highly polymorphic immunodominant central repeat region (CRR), conserved N-terminal ,and C-terminal subdomains. …