Local replication of simian immunodeficiency virus in the breast milk compartment of chronically-infected, lactating rhesus monkeys

<p>Abstract</p> <p>Breast milk transmission remains a major mode of infant HIV acquisition, yet anatomic and immunologic forces shaping virus quasispecies in milk are not well characterized. In this study, phylogenic analysis of envelope sequences of milk SIV variants revealed grou...

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Main Authors: Mansfield Keith G, Carville Angela, Mach Linh V, Wilks Andrew B, Kang Helen H, Permar Sallie R, Learn Gerald H, Hahn Beatrice H, Letvin Norman L
Format: Article
Language:English
Published: BMC 2010-02-01
Series:Retrovirology
Online Access:http://www.retrovirology.com/content/7/1/7
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author Mansfield Keith G
Carville Angela
Mach Linh V
Wilks Andrew B
Kang Helen H
Permar Sallie R
Learn Gerald H
Hahn Beatrice H
Letvin Norman L
author_facet Mansfield Keith G
Carville Angela
Mach Linh V
Wilks Andrew B
Kang Helen H
Permar Sallie R
Learn Gerald H
Hahn Beatrice H
Letvin Norman L
author_sort Mansfield Keith G
collection DOAJ
description <p>Abstract</p> <p>Breast milk transmission remains a major mode of infant HIV acquisition, yet anatomic and immunologic forces shaping virus quasispecies in milk are not well characterized. In this study, phylogenic analysis of envelope sequences of milk SIV variants revealed groups of nearly identical viruses, indicating local virus production. However, comparison of the patterns and rates of CTL escape of blood and milk virus demonstrated only subtle differences between the compartments. These findings suggest that a substantial fraction of milk viruses are produced by locally-infected cells, but are shaped by cellular immune pressures similar to that in the blood.</p>
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spelling doaj.art-f2bad37335894a4680860951c43a3fa82022-12-21T21:21:25ZengBMCRetrovirology1742-46902010-02-0171710.1186/1742-4690-7-7Local replication of simian immunodeficiency virus in the breast milk compartment of chronically-infected, lactating rhesus monkeysMansfield Keith GCarville AngelaMach Linh VWilks Andrew BKang Helen HPermar Sallie RLearn Gerald HHahn Beatrice HLetvin Norman L<p>Abstract</p> <p>Breast milk transmission remains a major mode of infant HIV acquisition, yet anatomic and immunologic forces shaping virus quasispecies in milk are not well characterized. In this study, phylogenic analysis of envelope sequences of milk SIV variants revealed groups of nearly identical viruses, indicating local virus production. However, comparison of the patterns and rates of CTL escape of blood and milk virus demonstrated only subtle differences between the compartments. These findings suggest that a substantial fraction of milk viruses are produced by locally-infected cells, but are shaped by cellular immune pressures similar to that in the blood.</p>http://www.retrovirology.com/content/7/1/7
spellingShingle Mansfield Keith G
Carville Angela
Mach Linh V
Wilks Andrew B
Kang Helen H
Permar Sallie R
Learn Gerald H
Hahn Beatrice H
Letvin Norman L
Local replication of simian immunodeficiency virus in the breast milk compartment of chronically-infected, lactating rhesus monkeys
Retrovirology
title Local replication of simian immunodeficiency virus in the breast milk compartment of chronically-infected, lactating rhesus monkeys
title_full Local replication of simian immunodeficiency virus in the breast milk compartment of chronically-infected, lactating rhesus monkeys
title_fullStr Local replication of simian immunodeficiency virus in the breast milk compartment of chronically-infected, lactating rhesus monkeys
title_full_unstemmed Local replication of simian immunodeficiency virus in the breast milk compartment of chronically-infected, lactating rhesus monkeys
title_short Local replication of simian immunodeficiency virus in the breast milk compartment of chronically-infected, lactating rhesus monkeys
title_sort local replication of simian immunodeficiency virus in the breast milk compartment of chronically infected lactating rhesus monkeys
url http://www.retrovirology.com/content/7/1/7
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