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Expression data from Rhesus macaques (Macaca fuscata) brain

ABSTRACT: Japanese macaques learn to use rakes to acquire food, and this learning is associated with rapid electrophysiological and morphological changes in the brain. To examine the molecular mechanisms of these plastic changes, we performed comprehensive gene expression analysis with a cDNA microarray and identified many candidate genes.

ORGANISM(S): Macaca fuscata Macaca mulatta

PROVIDER: GSE63657 | GEO | 2015/05/25

SECONDARY ACCESSION(S): PRJNA268582

REPOSITORIES: GEO

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Expression data from Rhesus macaques (Macaca fuscata) brain

Project description:Japanese macaques learn to use rakes to acquire food, and this learning is associated with rapid electrophysiological and morphological changes in the brain. To examine the molecular mechanisms of these plastic changes, we performed comprehensive gene expression analysis with a cDNA microarray and identified many candidate genes. We compared gene expressions between experimental (Rhesus_E) and control (Rhesus_C) animals from Surrounding areas of the lateral sulcus. We also compared gene expressions between experimental (IPS_E) and control (IPS_C) animals from Surrounding areas of the Intraparietal sulcus.

2015-05-25 | E-GEOD-63657 | biostudies-arrayexpress

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Project description:The study describes miRNA expression in colonic epithelium of chronic SIV-infected rhesus macaques. We profiled and characterized miRNA/mRNA expression exclusively in colonic epithelium (CE) of 12 chronically SIV-infected and 8 control rhesus macaques (RMs). About 46 miRNAs were differentially expressed (DE) (20-up and 26-down) in CE during chronic SIV infection. Using TargetScan, we bioinformatically crossed the predicted targets of DE miRNAs to genome-wide transcriptomic data and identified several critical miRNA-mRNA pairings that suggested miRNA-mediated regulation of aberrant epithelial gene expression in CE. Immunofluorescence, luciferase reporter and miRNA overexpression studies confirmed the ability of miR-130a and miR-212 to bind the 3’ UTR and downregulate protein expression of occludin (OCLN) and peroxisome proliferator activator receptor gamma (PPAR), respectively, two proteins with pivotal roles in epithelial barrier function. MiR-130a and miR-212 overexpression in Caco-2 cells significantly reduced transepithelial electrical resistance (TEER). Interestingly, delta-9-tetrahydrocannabinol (9-THC) treatment restored TEER to levels observed with control miRNA mimic. Finally, ex-vivo 9-THC treatment of colon tissue from chronically SIV-infected RMs significantly increased PPAR gene expression. Our findings suggest that dysregulated miR-130a and miR-212 expression in CE during chronic HIV/SIV infection can facilitate epithelial barrier disruption by downregulating OCLN and PPAR protein expression. Most importantly, our results highlight the beneficial effects of cannabinoids on epithelial barrier function in not just HIV/SIV but potentially other chronic intestinal inflammatory diseases.

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Systemic spironucleosis in 2 immunodeficient rhesus macaques (Macaca mulatta).

Project description:Spironucleus spp are parasites of fish and terrestrial vertebrates, including mice and turkeys, that rarely cause extraintestinal disease. Two rhesus macaques (Macaca mulatta) were experimentally inoculated with simian immunodeficiency virus mac251. Both progressed to simian acquired immune deficiency syndrome within 1 year of inoculation and developed systemic protozoal infections in addition to common opportunistic infections, including rhesus cytomegalovirus, rhesus lymphocryptovirus, and rhesus adenovirus. In the first case, the protozoa were associated with colitis, multifocal abdominal abscessation, and lymphadenitis. In the second case, they were one of a number of organisms associated with extensive pyogranulomatous pneumonia and colitis. Ultrastructural, molecular, and phylogenetic analysis revealed the causative organism to be a species of Spironucleus closely related to Spironucleus meleagridis of turkeys. This report is the first of extraintestinal infection with Spironucleus sp in higher mammals and expands the list of opportunistic infections found in immunocompromised rhesus macaques.

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Dramatic effects of social behavior on gene regulation in rhesus macaques

Project description:This SuperSeries is composed of the following subset Series: GSE33090: Dramatic effects of social behavior on gene regulation in rhesus macaques [Individual_expression] GSE34127: Dramatic effects of social behavior on gene regulation in rhesus macaques [Cell type_expression] GSE34128: Dramatic effects of social behavior on gene regulation in rhesus macaques [Bisulfite_seq] Refer to individual Series

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Butorphanol-Azaperone-Medetomidine for the Immobilization of Rhesus Macaques (Macaca mulatta).

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