Gene expression of RAW264.7 with or without Pdpn expression before and after H. pylori infection
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ABSTRACT:
PROVIDER: PRJNA635391 | ENA |
REPOSITORIES: ENA
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Project description:The effect of Podoplanin (Pdpn) expression on the differential expression profile of RAW264.7 cells has been characterised in wildtype, Pdpn knockout cells and Pdpn overexpressed cells before and after H. pylori infection using 770 genes from the NanoString Mouse PanCancer Pathways Panel.
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2015-09-19 | E-GEOD-73173 | biostudies-arrayexpress
Project description:Helicobacter pylori (H. pylori) is a human pathogen that infects almost half of the world’s population. Infection with H. pylori is frequently associated with chronic gastritis and can even lead to gastric and duodenal ulcers and gastric cancer. Although the persistent colonization of H. pylori and the development of H. pylori-associated gastritis remain poorly understood, it is believed that, in gastric mucosa, the modulated gastric epithelial cells (GECs) by H. pylori are key contributors. We used microarrays to detail the global programme of gene expression in Helicobacter pylori infected-gastric epithelial cell line AGS cells and identified up-regulated genes induced by Helicobacter pylori infection.
2024-04-18 | GSE264263 | GEO
Project description:RAW264.7 cell was stably transfected with Tim-3 siRNA(SI) or negative control(NC) and were analyzed for microRNA expression Differerently expressed microRNA in Tim-3 knockdown RAW264.7 cells were summarized and were used for further analysis RAW264.7 cells stably transfected with Tim-3 siRNA(SI) or negative control(NC) and were used to collect microRNA without any other treatment
2016-01-14 | E-GEOD-76839 | biostudies-arrayexpress
Project description:Purpose: Next-generation sequencing (NGS) has revolutionized systems-based analysis of cellular pathways. The goals of this study are to evaluate the gene expression of M2-polarized RAW264.7 cells compared with M0 RAW264.7 cells. Methods: RAW264.7 cells were polarized toward M2 using IL-4. M0 RAW264.7 cells were maintained in culture without IL-4. Total RNA of M2 and M0 RAW264.7 cells was extracted. RAW264.7 cells RNA profiles were generated by deep sequencing for two groups (M2 versus M0 RAW264.7 cells) with three samples each. Results: There were significant differences between M2 and M0 RAW264.7 cells. Conclusions: Polarization of RAW264.7 cells from M0 to M2 induces various changes at the transcription level.
2024-03-31 | GSE183078 | GEO
Project description:Purpose: Next-generation sequencing (NGS) has revolutionized systems-based analysis of cellular pathways. The goals of this study are to evaluate the gene expression of M1-polarized RAW264.7 cells compared with M0 RAW264.7 cells. Methods: RAW264.7 cells were polarized toward M1 using LPS and IFN-γ. M0 RAW264.7 cells were maintained in culture without LPS and IFN-γ. Total RNA of M1 and M0 RAW264.7 cells was extracted. RAW264.7 cells RNA profiles were generated by deep sequencing for two groups (M1 versus M0 RAW264.7 cells) with three samples each. Results: There were significant differences between M1 and M0 RAW264.7 cells. Conclusions: Polarization of RAW264.7 cells from M0 to M1 induces various changes at the transcription level.
2024-03-31 | GSE183077 | GEO
Project description:Purpose: Next-generation sequencing (NGS) has revolutionized systems-based analysis of cellular pathways. The goals of this study are to evaluate the gene expression of E4BP4 knockout (KO) RAW264.7 cells. Methods: We generated E4BP4-KO RAW264.7 Cell Line using CRISPR-CAS9 system. Control plasmid was encoding the Cas9 nuclease without gRNA sequence. Total RNA of E4BP4-KO and Control (CTRL) RAW264.7 cells was extracted. RAW264.7 cells RNA profiles were generated by deep sequencing for two groups (E4BP4-KO versus CTRL RAW264.7 cells) with three samples each. Results: There were significant differences between E4BP4-KO and CTRL RAW264.7 cells. Conclusions: Deletion of E4BP4 in RAW264.7 cells induced various changes at the transcription level.
2024-03-31 | GSE183076 | GEO
Project description:This group is focusing on the molecular mechanisms of the biosynthesis of glycoconjugates and carbohydrate ligands important in the process of gastric carcinogenesis and on gastric carcinoma progression and metastasis. The adhesion of H. pylori to epithelial cells induces a variety of modifications, including changes in cell morphology,cytokine production and release, alterations in glycosylation and in the biosynthesis of mucins. This study aims to identify the gene expression changes in the gastric epithelial cells (AGS) induced by Helicobacter pylori infection. This experiment was performed as previously described in the literature by submitting a gastric cell line to co-culture with reference strains of H. pylori. The following RNA samples (in triplicate) were analyzed by hybridization to the GLYCOv2 array: 1)Gastric cell line co-culture with H. pylori strain A(High Patogenicity) 2)Gastric cell line co-culture with H. pylori strain B(Low Patogenicity) 3)Gastric cell line without H. pylori co-culture (control)
2011-02-17 | E-GEOD-27347 | biostudies-arrayexpress
Project description:Helicobacter pylori is a highly successful and important human pathogen that causes chronic gastritis, peptic ulcer diseases and gastric cancer. Innate immunity plays an important role of the primary defense against pathogens and epidemiological studies have suggested a role of toll-like receptor 1 (TLR1) in the risk of H. pylori acquisition. We performed microarray analysis of gastric mucosal biopsy specimens from H. pylori-positive and uninfected subjects; infection was associated with an ~15-fold up-regulation of TLR10 (p <0.001). Quantitative RT-PCR confirmed TLR10 mRNA levels were increased 3-fold in H. pylori-infection (p <0.001) and immunohistochemistory using anti-TLR10 polyclonal antibodies showed increased TLR10 expression in gastric epithelial cells of infected individuals. In vitro experiments where H. pylori was co-cultured with NCI-N87 gastric cells showed significant H. pylori-specific up-regulation of TLR10 mRNA levels and a correlation with TLR2 mRNA levels (R = 0.87, P <0.001). We compared combinations of TLRs for their ability to mediate NF-_B activation. NF-_B activation was increased following exposure to heat killed H. pylori or H. pylori-LPS only with the TLR2/TLR10 heterodimer. These findings suggest TLR10 is a functional receptor involved in the innate immune response to H. pylori infection and that TLR2/TLR10 heterodimer possibly functions in the recognition of H. pylori-LPS.
2015-06-01 | GSE60427 | GEO