Investigating the effect of HIV-1 Coat proteins on Primary Bovine Muller glia
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ABSTRACT:
ORGANISM(S): Bos taurus
PROVIDER: GSE210243 | GEO | 2023/08/20
REPOSITORIES: GEO
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Project description:Investigating the effect of HIV-1 Coat proteins on Primary Bovine Muller glia
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Project description:These data serve as a reference transcriptomic profile for adult mouse retinal Muller glia. Retinas were dissociated into single cell suspensions and sorted into two fractions: a Muller glia-enriched fraction on the basis of Muller glia-specific tdTomato expression and a second fraction containing the remaining retinal cells that were tdTomato-negative. Both fractions were sequenced.
2020-08-02 | E-MTAB-7058 | biostudies-arrayexpress
Project description:During sexual transmission of HIV-1 from male to female partners, the vagina is the initial site of contact with HIV infected semen. The mechanism of HIV traversing the CD4 negative multi-layered stratified squamous epithelial barrier of the vagina to infect sub-epithelial susceptible immune cells, is hitherto unknown. HIV gp120 binds to several host proteins on vaginal epithelial cells. To gain an insight into the physiologic changes that may occur in vaginal epithelial cells in response to interactions with HIV gp120, and obtain an understanding of the molecular mechanisms by which HIV breaches the vaginal epithelium, a global snap shot of gene expression profiles in the vaginal epithelial cell line Vk2/E6E7, treated with HIV gp120 was determined. The vaginal epithelial cell line Vk2/E6E7 was treated with HIV gp120 (83nM) for 24 hr, and Agilent one colour, microarrays were performed.
2014-03-01 | GSE44914 | GEO
Project description:During sexual transmission of HIV-1 from male to female partners, the vagina is the initial site of contact with HIV infected semen. The mechanism of HIV traversing the CD4 negative multi-layered stratified squamous epithelial barrier of the vagina to infect sub-epithelial susceptible immune cells, is hitherto unknown. HIV gp120 binds to several host proteins on vaginal epithelial cells. To gain an insight into the physiologic changes that may occur in vaginal epithelial cells in response to interactions with HIV gp120, and obtain an understanding of the molecular mechanisms by which HIV breaches the vaginal epithelium, a global snap shot of gene expression profiles in the vaginal epithelial cell line Vk2/E6E7, treated with HIV gp120 was determined. The vaginal epithelial cell line Vk2/E6E7 was treated with HIV gp120 (83nM) for 24 hr, and Agilent one colour, microarrays were performed. Agilent one-color experiment,Organism: Human ,Agilent-Custom Whole Genome Human 8x60k designed by Genotypic Technology Pvt. Ltd. (AMADID: 027114), Labeling kit: Agilent Quick-Amp labeling Kit (p/n5190-0442)
2014-03-01 | E-GEOD-44914 | biostudies-arrayexpress
Project description:The retina is often subjected to tractional forces in a variety of conditions, for instance, pathological myopia, proliferative vitreoretinopathy. As the predominant glial element in the sensory retina, Muller cells are responsible for the homeostatic and metabolic support of retinal neurons and active players in virtually all forms of retinal injury and disease. Besides, Muller cells span the entire retinal thickness, extending from the inner to the outer limiting membranes, with cell bodies located in the inner nuclear layer and lateral processes expanding into the plexiform layers of the tissue. Because of this unique morphology, Muller cells can sense even minute changes in the retinal structure because of the mechanical stretching of their long processes or side branches. Thus, itM-bM-^@M-^Ys reasonable to infer that Muller cells also participate in ocular diseases when the retina is overstretched. In this study, we aim to investigate the whole genome regulation of Muller cells under mechanical stretching, which may help in excluding possible molecular mechanisms that would account for many retinal diseases in which the retina is often subjected to mechanical forces. We used microarrays to identify patterns of gene expression changes induced by cyclic mechanical stretching in Muller cells. Rat Muller cells were seeded onto flexible bottom culture plates and subjected to a cyclic stretching regimen of 15% equibiaxial stretching for 1 and 24 h.Muller cells cultured under the same conditions but with no applied mechanical strain were considered as the unstretched control. At each time points (1 and 24 h), three totally independent experiments (3 stretched samples and 3 control samples) were conducted. Muller cells were selected for RNA extraction and hybridization on Affymetrix microarrays. Stretch (S); Control (C)
2013-01-16 | E-GEOD-43516 | biostudies-arrayexpress
Project description:DNase-seq on mouse Muller cell For data usage terms and conditions, please refer to http://www.genome.gov/27528022 and http://www.genome.gov/Pages/Research/ENCODE/ENCODE_Data_Use_Policy_for_External_Users_03-07-14.pdf
2016-12-07 | GSE90380 | GEO
Project description:The retina is often subjected to tractional forces in a variety of conditions, for instance, pathological myopia, proliferative vitreoretinopathy. As the predominant glial element in the sensory retina, Muller cells are responsible for the homeostatic and metabolic support of retinal neurons and active players in virtually all forms of retinal injury and disease. Besides, Muller cells span the entire retinal thickness, extending from the inner to the outer limiting membranes, with cell bodies located in the inner nuclear layer and lateral processes expanding into the plexiform layers of the tissue. Because of this unique morphology, Muller cells can sense even minute changes in the retinal structure because of the mechanical stretching of their long processes or side branches. Thus, it’s reasonable to infer that Muller cells also participate in ocular diseases when the retina is overstretched. In this study, we aim to investigate the whole genome regulation of Muller cells under mechanical stretching, which may help in excluding possible molecular mechanisms that would account for many retinal diseases in which the retina is often subjected to mechanical forces. We used microarrays to identify patterns of gene expression changes induced by cyclic mechanical stretching in Muller cells.
2013-01-16 | GSE43516 | GEO
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Project description:The anti-HIV humoral immune response following acute infection is delayed and ineffective. HIV envelope protein gp120 binds to and signals through α4β7 on T cells. We show that gp120 also binds and signals through α4β7 on B cells, resulting in an abortive proliferative response. In primary B cells, gp120 signaling through α4β7 resulted in increased expression of TGF-β1 and the B cell inhibitory receptor FcRL4. Co-culture of B cells with HIV-infected autologous CD4+ T cells also resulted in increased B cell FcRL4 expression. These findings indicate that, in addition to inducing chronic immune activation, viral proteins can contribute directly to HIV-associated B cell dysfunction, thus providing a mechanism whereby the virus subverts the early HIV-specific humoral immune response. Forty-two samples in two batches were run with different treatments and different time points.
2013-10-17 | E-GEOD-49019 | biostudies-arrayexpress
Project description:The anti-HIV humoral immune response following acute infection is delayed and ineffective. HIV envelope protein gp120 binds to and signals through α4β7 on T cells. We show that gp120 also binds and signals through α4β7 on B cells, resulting in an abortive proliferative response. In primary B cells, gp120 signaling through α4β7 resulted in increased expression of TGF-β1 and the B cell inhibitory receptor FcRL4. Co-culture of B cells with HIV-infected autologous CD4+ T cells also resulted in increased B cell FcRL4 expression. These findings indicate that, in addition to inducing chronic immune activation, viral proteins can contribute directly to HIV-associated B cell dysfunction, thus providing a mechanism whereby the virus subverts the early HIV-specific humoral immune response.
2013-10-17 | GSE49019 | GEO