CD8 Trms Against Malaria Liver-stage: Prospects and Challenges

Overview

Journal Front Immunol

Specialty Allergy & Immunology

Date 2024 Feb 6

PMID 38318178

Authors

Chengyu Zhu

Shiming Jiao

Wenyue Xu

Affiliations

Soon will be listed here.

Abstract

Attenuated sporozoites provide a valuable model for exploring protective immunity against the malarial liver stage, guiding the design of highly efficient vaccines to prevent malaria infection. Liver tissue-resident CD8 T cells (CD8 Trm cells) are considered the host front-line defense against malaria and are crucial to developing prime-trap/target strategies for pre-erythrocytic stage vaccine immunization. However, the spatiotemporal regulatory mechanism of the generation of liver CD8 Trm cells and their responses to sporozoite challenge, as well as the protective antigens they recognize remain largely unknown. Here, we discuss the knowledge gap regarding liver CD8 Trm cell formation and the potential strategies to identify predominant protective antigens expressed in the exoerythrocytic stage, which is essential for high-efficacy malaria subunit pre-erythrocytic vaccine designation.

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