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Last Updated: 21/06/2020
Antigen discovery for Transmission-Blocking vaccines in Plasmodium Vivax
Objectives
This projects aims to:
- discover new sexual- stage antigens by in silico prediction and immunoscreening, and evaluate their transmission reducing activities in Plasmodium berghei;
- evaluate a TBV combination strategy targeting both pre- and post-fertilization antigens; and
- assess the transmission reducing activities of new TBV candidates for P. vivax using transgenic P. berghei and clinical P. vivax isolates.
Principal Institution
Principal Investigators / Focal Persons
Rationale and Abstract
For the immense undertaking by many malaria-endemic nations to eliminate malaria, interruption of malaria transmission has been recognized as one of the greatest challenges, which requires integrated approaches. Plasmodium vivax, the most geographically widespread human malaria, is more resilient to conventional malaria control measures due to its intrinsic biology such as hypnozoite formation responsible for relapses and earlier gametocyte development enabling transmission before manifestation of symptoms. Transmission- blocking Vaccines (TBVs) are a promising strategy especially suited for the task of elimination of vivax malaria. However, the progress in TBV development has been very slow, whereas TBV research for P. vivax lags even far behind that for Plasmodium falciparum. With only five parasite antigens as the top TBV candidates, concerted efforts to identify new TBV antigens are urgently needed.
External reference
Thematic Categories
Date
Apr 2020 — Mar 2025
Total Project Funding
$137,000
Funding Details
Project Site
Deep Dives
Related Resources
