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IL15 in treatment of rhesus macaques

ABSTRACT: Rhesus macaques vaccinated by rhesus cytomegalovirus vectors expressing simian immunodeficiency virus proteins (RhCMV/SIV) activate gene expression signature associated with IL15. To examine the gene expression signature activated by IL15, we performed longitudinal examinations of rhesus macaques during IL15 treament.

ORGANISM(S): Macaca mulatta

PROVIDER: GSE160577 | GEO | 2021/06/28

REPOSITORIES: GEO

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Host response to RhCMV/SIV immunization through subcutaneous and oral route

Project description:Strain 68-1–derived Rhesus Cytomegalovirus (RhCMV) vectors expressing simian immunodeficiency virus (SIV) proteins (RhCMV/SIV) are able to elicit and maintain cellular immune responses that stringently control and subsequently clear a mucosal challenge with highly pathogenic SIV in 50-60% of vaccinated rhesus monkeys (RMs). Here, we utilize whole blood transcriptomic profiling to identify host responses correlated to RhCMV/SIV efficacy.

2021-06-28 | GSE160562 | GEO

IL15 in treatment of rhesus macaques

Project description:IL15 in treatment of rhesus macaques

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Δ9-tetrahydrocannabinol (Δ9-THC) promotes neuroimmune-modulatory microRNA profile in striatum of simian immunodeficiency virus (SIV)-infected macaques.

Project description:Cannabinoid administration before and after simian immunodeficiency virus (SIV)-inoculation ameliorated disease progression and decreased inflammation in male rhesus macaques. Δ9-tetrahydrocannabinol (Δ9-THC) did not increase viral load in brain tissue or produce additive neuropsychological impairment in SIV-infected macaques. To determine if the neuroimmunomodulation of Δ9-THC involved differential microRNA (miR) expression, miR expression in the striatum of uninfected macaques receiving vehicle (VEH) or Δ9-THC (THC) and SIV-infected macaques administered either vehicle (VEH/SIV) or Δ9-THC (THC/SIV) was profiled using next generation deep sequencing.

2016-01-22 | GSE72766 | GEO

Expression data from rhesus macaque tongue

Project description:A majority of individuals infected with human immunodeficiency virus (HIV) have inadequate access to antiretroviral therapy and ultimately develop debilitating oral infections that often correlate with disease progression. Our study evaluates the potential of simian immunodeficiency virus (SIV) infected rhesus macaques to serve as a non-human primate model for oral manifestations of HIV disease. Microarrays were used to characterize changes in gene expression in the tongue mucosa that occur during chronic SIV infection. Dorsal tongue tissues from healthy uninfected macaques and macaques with chronic stage SIV infection were used for RNA extraction and hybridization on Affymetrix microarrays.

2014-01-01 | E-GEOD-51436 | biostudies-arrayexpress

Cytomegalovirus-mediated expansion of IL-15-responsive innate-memory cells with SIV killing function

Project description:We investigated the effects of rhesus CMV (RhCMV) on composition and function of the immune system in young macaques. Within months of infection, RhCMV was associated with impressive changes in antigen presenting cells, T cells, and NK cells—and marked expansion of innate-memory CD8+ T cells. These cells express high levels of NKG2A/C and the IL-2- and IL-15-receptor beta chain, CD122. IL-15 was sufficient to drive differentiation of the cells in vitro and in vivo. Expanded NKG2A/C+CD122+CD8+ T cells in RhCMV-infected macaques, but not their NKG2-negative counterparts, were endowed with cytotoxicity against class I-deficient K562 targets and prompt IFN-ɣ production in response to stimulation with IL-12 and IL-18. Because RhCMV clone 68-1 forms the viral backbone of RhCMV-vectored SIV vaccines, we also investigated immune changes following administration of RhCMV 68-1-vectored SIV vaccines. These vaccines led to impressive expansion of NKG2A/C+CD8+ T cells with capacity to inhibit SIV replication ex vivo. Thus, CMV infection and CMV-vectored vaccination drive expansion of functional innate-like CD8 cells via host IL-15 production, suggesting that innate-memory expansion could be achieved by other vaccine platforms expressing IL-15.

2021-07-02 | GSE171978 | GEO

Gene expression in the blood of Live Attenuated Rev-Independent NefÂ¯SIV infected Rhesus macaques during acute infection

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2013-08-09 | E-GEOD-49663 | biostudies-arrayexpress

Expression data from rhesus macaque tongue epithelium

Project description:A majority of individuals infected with human immunodeficiency virus (HIV) have inadequate access to antiretroviral therapy and ultimately develop debilitating oral infections that often correlate with disease progression. Our study evaluates the potential of simian immunodeficiency virus (SIV) infected rhesus macaques to serve as a non-human primate model for oral manifestations of HIV disease. Microarrays were used to characterize changes in gene expression in the dorsal tongue epithelium that occur during chronic SIV infection. Epithelial cells were laser microdissected from dorsal tongue tissue sections from healthy uninfected macaques and macaques with chronic stage SIV infection and used for RNA extraction and hybridization on Affymetrix microarrays.

2014-01-01 | E-GEOD-51438 | biostudies-arrayexpress

Macaca mulatta

Project description:Simian Immunodeficiency Virus (SIV) infected rhesus macaques

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Comparative genome sequencing of wild type rhesus cytomegalovirus (RhCMV) with a recombinant RhCMV lacking ORF 178

Project description:Recombinant RhCMV was created to study super-infection of Rhesus macaques. These viruses (RhCMV Î178;RhCMV Î182-189;RhCMV Î178Î182-189) were co-hybridized with a wild-type BAC-derived RhCMV to a RhCMV tiling array to ensure that there were no additional mutations beyond the intended deleted regions. Comparison of wild-type BAC-derived RhCMV Î178, RhCMV Î182-189, and RhCMV Î178Î182-189

2010-05-14 | E-GEOD-20308 | biostudies-arrayexpress

Expression data from rhesus macaque colon, jejunum, and lung

Project description:The mucosa that lines the respiratory and gastrointestinal (GI) tracts is an important portal of entry for pathogens and provides the frontline of immune defense against HIV infection. Using the simian immunodeficiency virus (SIV) rhesus macaque model, we have performed a comparative analysis of host gene expression in the lung and GI mucosa in response to SIV infection and antiretroviral therapy. Microarrays were used to characterize changes in gene expression in the colonic, jejunal, and pulmonary (lung) mucosa that occur during chronic SIV infection in the presence or absence of antiretroviral therapy. Colon, jejunum, and lung tissues from healthy uninfected macaques and macaques with chronic stage SIV infection (+/- therapy) were used for RNA extraction and hybridization on Affymetrix microarrays.

2013-11-01 | E-GEOD-51615 | biostudies-arrayexpress

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