Journal article

Liver-Resident Memory CD8( ) T Cells Form a Front-Line Defense against Malaria Liver-Stage Infection

Daniel Fernandez-Ruiz, Wei Yi Ng, Lauren E Holz, Joel Z Ma, Ali Zaid, Yik Chun Wong, Lei Shong Lau, Vanessa Mollard, Anton Cozijnsen, Nicholas Collins, Jessica Li, Gayle M Davey, Yu Kato, Sapna Devi, Roghieh Skandari, Michael Pauley, Jonathan H Manton, Dale I Godfrey, Asolina Braun, Szun Szun Tay Show all

IMMUNITY | CELL PRESS | Published : 2016

Abstract

In recent years, various intervention strategies have reduced malaria morbidity and mortality, but further improvements probably depend upon development of a broadly protective vaccine. To better understand immune requirement for protection, we examined liver-stage immunity after vaccination with irradiated sporozoites, an effective though logistically difficult vaccine. We identified a population of memory CD8+ T cells that expressed the gene signature of tissue-resident memory T (Trm) cells and remained permanently within the liver, where they patrolled the sinusoids. Exploring the requirements for liver Trm cell induction, we showed that by combining dendritic cell-targeted priming with l..

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Funding Acknowledgements

We thank members of the F.R.C. and W.R.H. laboratories for discussion and the staff of the Peter Doherty Institute animal facility for animal husbandry. We also thank the Melbourne Brain Centre and ImmunoID Flow Cytometry Facilities for technical assistance. This work was supported by the National Health and Medical Research Council of Australia and the Australian Research Council.