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Correlates of Protection Against SIV(mac251) Infection in Rhesus Macaques Immunized With Chimpanzee-Derived Adenovirus Vectors

We report on prime-boost vaccine regimens with two simian adenovirus (Ad) vectors (SAdV) or two human serotype Ad vectors (HAdV) expressing Gag and gp160 of simian immunodeficiency virus (SIV)(mac239) tested in HAdV-seropositive rhesus macaques (RMs) repeatedly challenged rectally with low doses of...

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Autores principales: Tuyishime, Steven, Haut, Larissa H., Kurupati, Raj K., Billingsley, James M., Carnathan, Diane, Gangahara, Sailaja, Styles, Tiffany M., Xiang, ZhiQuan, Li, Yan, Zopfs, Malte, Liu, Qin, Zhou, XiangYang, Lewis, Mark G., Amara, Rama R., Bosinger, Steven, Silvestri, Guido, Ertl, Hildegund C.J.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Elsevier 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6013748/
https://www.ncbi.nlm.nih.gov/pubmed/29685793
http://dx.doi.org/10.1016/j.ebiom.2018.02.025
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author Tuyishime, Steven
Haut, Larissa H.
Kurupati, Raj K.
Billingsley, James M.
Carnathan, Diane
Gangahara, Sailaja
Styles, Tiffany M.
Xiang, ZhiQuan
Li, Yan
Zopfs, Malte
Liu, Qin
Zhou, XiangYang
Lewis, Mark G.
Amara, Rama R.
Bosinger, Steven
Silvestri, Guido
Ertl, Hildegund C.J.
author_facet Tuyishime, Steven
Haut, Larissa H.
Kurupati, Raj K.
Billingsley, James M.
Carnathan, Diane
Gangahara, Sailaja
Styles, Tiffany M.
Xiang, ZhiQuan
Li, Yan
Zopfs, Malte
Liu, Qin
Zhou, XiangYang
Lewis, Mark G.
Amara, Rama R.
Bosinger, Steven
Silvestri, Guido
Ertl, Hildegund C.J.
author_sort Tuyishime, Steven
collection PubMed
description We report on prime-boost vaccine regimens with two simian adenovirus (Ad) vectors (SAdV) or two human serotype Ad vectors (HAdV) expressing Gag and gp160 of simian immunodeficiency virus (SIV)(mac239) tested in HAdV-seropositive rhesus macaques (RMs) repeatedly challenged rectally with low doses of SIV(mac251.) Both vaccine regimens reduced set point and peak viral loads (PVL) and accelerated viral clearance. In SAdV-vaccinated controller genotype RMs resistance against infection correlated with levels of envelope (Env)-specific antibody (Ab) titers. In both vaccine groups CD8(+)T cells controlled viral loads (VL) upon infection. Circulating CD4(+) and CD8(+) T cells showed significant changes in their transcriptome over time following vaccination, which differed between the vaccine groups. T cells from SIV-resistant RMs had unique transcriptional profiles indicating that both follicular T helper (T(FH)) cell responses and highly activated CD8(+) T cells may play a role in protection.
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spelling pubmed-60137482018-06-26 Correlates of Protection Against SIV(mac251) Infection in Rhesus Macaques Immunized With Chimpanzee-Derived Adenovirus Vectors Tuyishime, Steven Haut, Larissa H. Kurupati, Raj K. Billingsley, James M. Carnathan, Diane Gangahara, Sailaja Styles, Tiffany M. Xiang, ZhiQuan Li, Yan Zopfs, Malte Liu, Qin Zhou, XiangYang Lewis, Mark G. Amara, Rama R. Bosinger, Steven Silvestri, Guido Ertl, Hildegund C.J. EBioMedicine Research Paper We report on prime-boost vaccine regimens with two simian adenovirus (Ad) vectors (SAdV) or two human serotype Ad vectors (HAdV) expressing Gag and gp160 of simian immunodeficiency virus (SIV)(mac239) tested in HAdV-seropositive rhesus macaques (RMs) repeatedly challenged rectally with low doses of SIV(mac251.) Both vaccine regimens reduced set point and peak viral loads (PVL) and accelerated viral clearance. In SAdV-vaccinated controller genotype RMs resistance against infection correlated with levels of envelope (Env)-specific antibody (Ab) titers. In both vaccine groups CD8(+)T cells controlled viral loads (VL) upon infection. Circulating CD4(+) and CD8(+) T cells showed significant changes in their transcriptome over time following vaccination, which differed between the vaccine groups. T cells from SIV-resistant RMs had unique transcriptional profiles indicating that both follicular T helper (T(FH)) cell responses and highly activated CD8(+) T cells may play a role in protection. Elsevier 2018-03-04 /pmc/articles/PMC6013748/ /pubmed/29685793 http://dx.doi.org/10.1016/j.ebiom.2018.02.025 Text en © 2018 The Authors. Published by Elsevier B.V. http://creativecommons.org/licenses/by-nc-nd/4.0/ This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
spellingShingle Research Paper
Tuyishime, Steven
Haut, Larissa H.
Kurupati, Raj K.
Billingsley, James M.
Carnathan, Diane
Gangahara, Sailaja
Styles, Tiffany M.
Xiang, ZhiQuan
Li, Yan
Zopfs, Malte
Liu, Qin
Zhou, XiangYang
Lewis, Mark G.
Amara, Rama R.
Bosinger, Steven
Silvestri, Guido
Ertl, Hildegund C.J.
Correlates of Protection Against SIV(mac251) Infection in Rhesus Macaques Immunized With Chimpanzee-Derived Adenovirus Vectors
title Correlates of Protection Against SIV(mac251) Infection in Rhesus Macaques Immunized With Chimpanzee-Derived Adenovirus Vectors
title_full Correlates of Protection Against SIV(mac251) Infection in Rhesus Macaques Immunized With Chimpanzee-Derived Adenovirus Vectors
title_fullStr Correlates of Protection Against SIV(mac251) Infection in Rhesus Macaques Immunized With Chimpanzee-Derived Adenovirus Vectors
title_full_unstemmed Correlates of Protection Against SIV(mac251) Infection in Rhesus Macaques Immunized With Chimpanzee-Derived Adenovirus Vectors
title_short Correlates of Protection Against SIV(mac251) Infection in Rhesus Macaques Immunized With Chimpanzee-Derived Adenovirus Vectors
title_sort correlates of protection against siv(mac251) infection in rhesus macaques immunized with chimpanzee-derived adenovirus vectors
topic Research Paper
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6013748/
https://www.ncbi.nlm.nih.gov/pubmed/29685793
http://dx.doi.org/10.1016/j.ebiom.2018.02.025
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