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Expression data of CD9 positive germ cells from young and aged Sprague Dawley germ cell specific GFP rats

ABSTRACT: Male fertility and testis function changes with age and so it was sought to determine if these changes are accompanied by changes in gene expression in the spermatogonial cells at the foundation of spermatogenesis A full genome microarray was used to determine if distinct pathways of genes were altered in expression in CD9-positive germ cells with age

ORGANISM(S): Rattus norvegicus

PROVIDER: GSE50143 | GEO | 2013/12/05

SECONDARY ACCESSION(S): PRJNA216149

REPOSITORIES: GEO

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Expression data of CD9 positive germ cells from young and aged Sprague Dawley germ cell specific GFP rats

Project description:Male fertility and testis function changes with age and so it was sought to determine if these changes are accompanied by changes in gene expression in the spermatogonial cells at the foundation of spermatogenesis A full genome microarray was used to determine if distinct pathways of genes were altered in expression in CD9-positive germ cells with age Testes from young (4 months) and aged (21 months) Sprague Dawley rats were subjected to dissociation to isolate a singel cell suspension of germ cells. These cells were used to isolate CD9 positive spermatogonial cells. RNA was isolated from these cells for hybridization on agilent miroarrays.

2013-12-05 | E-GEOD-50143 | biostudies-arrayexpress

Clostridioides difficile CD9

Project description:Clostridioides difficile CD9 Genome sequencing and assembly

| PRJNA85681 | ENA

Protein expression is altered during spontaneous sleep in aged Sprague Dawley rats.

Project description: Not available

| S-EPMC2778600 | biostudies-literature

Mechanical stress enhances CD9 expression in cultured podocytes

Project description:Transcriptomes of differentiated cells of the conditionally immortalized mouse podocyte cell line SVI (Schiwek et al., Kidney Int. 66: 91-101, 2004) were determined as described in Warsow et al. (Kidney Int. 84: 104-115, 2013) after application of mechanical stress (Endlich et al., J. Am. Soc. Nephrol. 12: 413-422, 2001) as compared to control conditions. Elevated glomerular pressure represents a high risk for the development of severe kidney diseases and causes an increase of mechanical load to podocytes. In this study we investigated whether mechanical stress alters gene expression in cultured podocytes using gene arrays. We found that tetraspanin CD9 is significantly upregulated in cultured podocytes after mechanical stress. The differential expression of CD9 was confirmed by RT-PCR and Western blot under stretched and unstretched conditions. Furthermore, mechanical stress resulted in a relocalization of CD9. To get an insight into the functional role of CD9, podocytes were transfected with pEGFP-CD9. The expression of CD9 induced the formation of substratum-attached thin arborized protrusions (TAPs). Ca2+ depletion revealed that podocytes over-expressing CD9 possess altered adhesive properties in contrast to the control transfected cells. Finally, elevated CD9 expression increased migration of podocytes in a wound assay. In summary, our results suggest that upregulation of CD9 may play an important role in podocyte morphology, adhesion and migration.

2015-02-27 | GSE66336 | GEO

Mechanical stress enhances CD9 expression in cultured podocytes

2015-02-27 | E-GEOD-66336 | biostudies-arrayexpress

Functional relevance of tetraspanin CD9 in vascular smooth muscle cell injury

Project description:Vascular smooth muscle cell (VSMC) migration and proliferation are critical events in the development of neointima following vascular injury. Exogenous expression of human CD9 by CD9-adenoviral transduction led to increases in neointima. CD9 expression significantly augmented PI-3 kinase dependent Akt phosphorylation with concurrent adhesion to extracellular matrix protein fibronectin (FN). Furthermore,enhanced Akt phosphorylation was attenuated by anti-CD9 mAb7 binding. As multiple factors contribute to the regulation of VSMC phenotype, our aim was to establish whether increased CD9 expression would induce changes in the expression of other genes associated with VSMC proliferation and motility. RASM were transduced with either CD9 adenovirus or control and were plated on FN for 6hours. Cells were harvested from 3 replicate plates and total RNA from each was isolated using the TRIzol method and pooled for each CD9 and LacZ transduced RASM. RNA was sent to Genome Explorations Memphis TN for microarray analysis. Microarray analyses were done using the U230.2 rat gene chip from Affymetrix using RNA prepared from two RASM transduction experiments. Two independent microarray data sets have been generated and analyzed by comparing the filtered gene lists generated by the Affymetrix GeneChip Operating Software and looking for regulated genes common both sets of data. Analysis of this data showed the regulation of some key genes involved in the modulation of VSMC motility and proliferation. Keywords: vascular smooth muscle cells, vascular injury, tetraspanin, proliferation, neointima, motility, fibronectin (FN), rat aortic smooth muscle (RASM)

2009-11-12 | GSE13594 | GEO

microRNA profiling of Sprague Dawley organs

Project description:We performed deep sequencing of the miRNAs present in ~20 toxicologically relevant tissues in Sprague Dawley rats and used three independent analysis of the data to determine which miRNAs are tissue specific and tissue enriched.

2016-09-01 | GSE78031 | GEO

CD63/CD9-GFP extracellular vesicles LC-MS/MS

Project description:This study aimed to identify subpopulations of extracellular vesicles (EVs) secreted by HeLa cells, and determine markers which enable to identify them, and which indicate their endosomal or plasma membrane origin. We used CD63 and CD9 as markers of EVs, and followed their intracellular trafficking using the RUSH assay. We used mass spectrometry to identify specific or common proteins in immunoprecipitated GFP+ EVs from HeLa transfected with the RUSH CD63-GFP or CD9-GFP, after a short (3h) or a long (24h) trafficking time from the endoplasmic reticulum.

2021-05-17 | PXD021515 | Pride

Long-term treatment with spermidine increases health span of middle-aged Sprague-Dawley male rats.

Project description: Not available

| S-EPMC7287009 | biostudies-literature

Expression of the TM4SF member CD9 on the human Burkitts lymphoma cell line Raji

Project description:Expression of the TM4SF member CD9 on the human Burkitts lymphoma cell line Raji induced increased cell proliferation, motilty and adhesion to fibronectin. CD9 promoted increases in Raji cell proliferation was dependent upon histone deacetyalase (HDAC) activity as treatment with HDAC inhibitors trichostain A or cucurmin attenuated CD9 mediated increases in Raji cell proliferation. Gene expression of Raji cells stably expressing human CD9 via transfection with expression vector PRVCMVCD9 was compared with corresponding Mock transfected cell by microarray analysis using the Affymetrix U133 2.0 platform.

2009-10-15 | GSE13210 | GEO

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