Author
Listed:
- Petraleigh Pantoja
(Unit of Comparative Medicine, Caribbean Primate Research Center, University of Puerto Rico-Medical Sciences Campus
University of Puerto Rico-Medical Sciences Campus)
- Erick X. Pérez-Guzmán
(University of Puerto Rico-Medical Sciences Campus)
- Idia V. Rodríguez
(Unit of Comparative Medicine, Caribbean Primate Research Center, University of Puerto Rico-Medical Sciences Campus)
- Laura J. White
(University of North Carolina-Chapel Hill)
- Olga González
(Unit of Comparative Medicine, Caribbean Primate Research Center, University of Puerto Rico-Medical Sciences Campus)
- Crisanta Serrano
(University of Puerto Rico-Medical Sciences Campus)
- Luis Giavedoni
(Texas Biomedical Research Institute)
- Vida Hodara
(Texas Biomedical Research Institute)
- Lorna Cruz
(Unit of Comparative Medicine, Caribbean Primate Research Center, University of Puerto Rico-Medical Sciences Campus)
- Teresa Arana
(University of Puerto Rico-Medical Sciences Campus)
- Melween I. Martínez
(Unit of Comparative Medicine, Caribbean Primate Research Center, University of Puerto Rico-Medical Sciences Campus)
- Mariah A. Hassert
(Saint Louis University School of Medicine)
- James D. Brien
(Saint Louis University School of Medicine)
- Amelia K. Pinto
(Saint Louis University School of Medicine)
- Aravinda de Silva
(University of North Carolina-Chapel Hill)
- Carlos A. Sariol
(Unit of Comparative Medicine, Caribbean Primate Research Center, University of Puerto Rico-Medical Sciences Campus
University of Puerto Rico-Medical Sciences Campus
University of Puerto Rico-Medical Sciences Campus)
Abstract
Zika virus (ZIKV) is a re-emerging virus that has recently spread into dengue virus (DENV) endemic regions and cross-reactive antibodies (Abs) could potentially affect ZIKV pathogenesis. Using DENV-immune serum, it has been shown in vitro that antibody-dependent enhancement (ADE) of ZIKV infection can occur. Here we study the effects of pre-existing DENV immunity on ZIKV infection in vivo. We infect two cohorts of rhesus macaques with ZIKV; one cohort has been exposed to DENV 2.8 years earlier and a second control cohort is naïve to flaviviral infection. Our results, while confirming ADE in vitro, suggest that pre-existing DENV immunity does not result in more severe ZIKV disease. Rather our results show a reduction in the number of days of ZIKV viremia compared to naïve macaques and that the previous exposure to DENV may result in modulation of the immune response without resulting in enhancement of ZIKV pathogenesis.
Suggested Citation
Petraleigh Pantoja & Erick X. Pérez-Guzmán & Idia V. Rodríguez & Laura J. White & Olga González & Crisanta Serrano & Luis Giavedoni & Vida Hodara & Lorna Cruz & Teresa Arana & Melween I. Martínez & Ma, 2017.
"Zika virus pathogenesis in rhesus macaques is unaffected by pre-existing immunity to dengue virus,"
Nature Communications, Nature, vol. 8(1), pages 1-13, August.
Handle:
RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_ncomms15674
DOI: 10.1038/ncomms15674
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