Abstract:
:Rotaviruses (RV) are the leading cause of gastroenteritis in infants and children worldwide and are associated with high mortality predominately in low-income settings. The virus is classified into G and P serotypes and further into P genotypes based on differences in the surface-exposed proteins VP7 and VP4, respectively. Infection results in a variable level of protection from subsequent reinfection and disease. This protection is predominantly homotypic in some settings, whereas broader heterotypic protection is reported in other cohorts. Two antigenically distinct oral RV vaccines are licensed and are being rolled out widely, including in resource-poor setting, with funding provided by the GAVI alliance. First is a monovalent vaccine derived from a live-attenuated human RV strain, whereas the second is a pentavalent bovine-human reassortment vaccine. Both vaccines are highly efficacious in high-income settings, but greatly reduced levels of protection are reported in low-income countries. Here, the current challenges facing mucosal immunologists and vaccinologists aiming to define immunological correlates and to understand the variable levels of protection conferred by these vaccines in humans is considered. Such understanding is critical to maximize the public health impact of the current vaccines and also to the development of the next generation of RV vaccines, which are needed.
journal_name
Mucosal Immunoljournal_title
Mucosal immunologyauthors
Clarke E,Desselberger Udoi
10.1038/mi.2014.114subject
Has Abstractpub_date
2015-01-01 00:00:00pages
1-17issue
1eissn
1933-0219issn
1935-3456pii
mi2014114journal_volume
8pub_type
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journal_title:Mucosal immunology
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journal_title:Mucosal immunology
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journal_title:Mucosal immunology
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journal_title:Mucosal immunology
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journal_title:Mucosal immunology
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更新日期:2011-05-01 00:00:00
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journal_title:Mucosal immunology
pub_type: 杂志文章,评审
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更新日期:2011-03-01 00:00:00
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journal_title:Mucosal immunology
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更新日期:2017-11-01 00:00:00
abstract::Most HIV transmissions among men who have sex with men (MSM), the group that accounted for 67% of new US infections in 2014, occur via exposure to the rectal mucosa. However, it is unclear how the act of condomless receptive anal intercourse (CRAI) may alter the mucosal immune environment in HIV-negative MSM. Here, we...
journal_title:Mucosal immunology
pub_type: 杂志文章
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更新日期:2017-07-01 00:00:00
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journal_title:Mucosal immunology
pub_type: 杂志文章
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更新日期:2011-09-01 00:00:00
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journal_title:Mucosal immunology
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journal_title:Mucosal immunology
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journal_title:Mucosal immunology
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journal_title:Mucosal immunology
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abstract::The gut mucosa is an important site of HIV immunopathogenesis with severe depletion of CD4+ T cells occurring during acute infection. The effect of prolonged anti-retroviral therapy (ART) on cycling and restoration of T lymphocytes in the gut remains unclear. Colon and terminal ileal biopsies and peripheral blood samp...
journal_title:Mucosal immunology
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journal_title:Mucosal immunology
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journal_title:Mucosal immunology
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doi:10.1038/mi.2012.14
更新日期:2012-05-01 00:00:00
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journal_title:Mucosal immunology
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journal_title:Mucosal immunology
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更新日期:2018-01-01 00:00:00