PMID: 7536870Apr 22, 1995Paper

Identification of conserved antigenic components for a cytotoxic T lymphocyte-inducing vaccine against malaria

Lancet
M AidooD A Fidock

Abstract

Several cellular and humoral mechanisms probably play a role in natural immunity to Plasmodium falciparum malaria, but the development of an effective vaccine has been impeded by uncertainty as to which antigens are targeted by protective immune responses. Experimental models of malaria have shown that cytotoxic T lymphocytes (CTL) which kill parasite-infected hepatocytes can provide complete protective immunity against certain species of Plasmodium in mice, and studies in The Gambia have provided indirect evidence that CTL play a protective role against P falciparum in humans. By using an HLA-based approach, termed reverse immunogenetics, we have previously identified peptide epitopes for CTL in liver-stage antigen-1 and the circumsporozoite protein of P falciparum. We have extended this work to identify CTL epitopes for HLA class I antigens that are found in most individuals from Caucasian and African populations. Most of these epitopes are in conserved regions of P falciparum. CTL peptide epitopes were found in a further two antigens, thrombospondin-related anonymous protein and sporozoite threonine and asparagine rich protein, indicating that a subunit vaccine designed to induce a protective CTL response may need to include...Continue Reading

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Citations

Aug 30, 2008·Science in China. Series C, Life Sciences·Y Tang, H Wang
Nov 1, 1995·Transactions of the Royal Society of Tropical Medicine and Hygiene·G A Targett
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