Vimentin knock out mouse neural stem cell RNA sequencing
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ABSTRACT:
ORGANISM(S): Mus musculus
PROVIDER: GSE136553 | GEO | 2020/04/05
REPOSITORIES: GEO
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Project description:Vimentin knock out mouse neural stem cell RNA sequencing
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Project description:To further characterize differential expression of miRNA and mRNA levels in livers of 12 weeks old male Tax1BP1 wildtype and knock-out mice, the untreated mice were sacrificed and miRNA and mRNA levels were determined
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Project description:The intermediate filament vimentin is present in immune cells. It provides structural support to cells and functions in macrophages to coordinate inflammatory responses. Neutrophils are an abundance innate immune cell that function by distinct mechanisms from macrophages to mediate antimicrobial activities. The role of vimentin in neutrophils is not established. Here, we developed an immortalized neutrophil model to examine the requirement of vimentin. We demonstrate that vimentin restricts proinflammatory cytokine production and reactive oxygen species production, but enhances phagocytosis and swarming. We observe that vimentin is dispensable for neutrophil extracellular trap (NET) formation, degranulation, and for inflammasome activation. Moreover, gene expression analysis defined vimentin presence was associated with expression changes in multiple genes required for mitochondrial function and ROS overproduction in the absence of vimentin. By treatment of cells producing vimentin with rotenone, an inhibitor for complex I of the electron transport chain, or by treatment of cells lacking vimentin with mitoTEMPO, a SOD mimetic, we complement the changes in ROS levels through manipulation of mitochondrial function. Together, we suggest vimentin regulates neutrophil antimicrobial functions and alters ROS levels through regulation of mitochondrial activity.
2024-09-12 | GSE262717 | GEO
Project description:To further characterize differential expression of miRNA and mRNA levels in livers of 12 weeks old male Tax1BP1 wildtype and knock-out mice, the untreated mice were sacrificed and miRNA and mRNA levels were determined miRNA was labeled with the Affymetrix FlashTag Biotin HSR RNA Labeling Kit
2020-10-06 | GSE98907 | GEO
Project description:To study the biological and functional role of vimentin in maintenance of the mesenchymal phenotype of mammary epithelial cells, vimentin was silenced in the non-transformed MCF10A cells and vimentin-dependent changes in gene expression were analyzed.
2010-11-18 | GSE17802 | GEO
Project description:Purpose:The Vimentin gene plays a pivotal role in epithelial-to-mesenchymal transition (EMT) and is known to be over-expressed in the prognostically poor basal-like breast cancer subtype. Recent studies have reported Vimentin DNA methylation in association with poor clinical outcomes in other solid tumors, but not in breast cancer. We therefore quantified Vimentin DNA methylation in breast tumors and matched normal pairs in association with gene expression and survival in a cohort of 83 breast cancer patients. Materials and Methods:Vimentin methylation was quantified in 14 breast cell lines, 83 breast tumors, and 57 matched normal pairs using MALDI-TOF mass spectrometry. Gene expression data via qRT-PCR in cell lines, and oligo microarray data from breast tissues was correlated with percent methylation in the Vimentin promoter. A threshold of 20 percent average methylation was set for bivariate and multivariate tests of association between methylation and tumor subtype, tumor histopathology, and survival. Results:Vimentin was differentially methylated in luminal breast cancer cell lines, and in luminal A, luminal B and HER2+ breast tumor subtypes, but was rare in basal-like cell lines and tumors. Increased methylation was strongly correlated with decreased mRNA expression in cell lines, and had a moderate inverse correlation in breast tumors. Importantly, Vimentin methylation predicted poor overall survival independent of race, subtype, stage, nodal status or estrogen receptor positivity. Conclusion:Vimentin methylation predicts overall survival in breast cancer patients and holds promise as a prognostic biomarker for guiding treatment and prophylaxis. reference x sample
2013-02-19 | E-GEOD-35629 | biostudies-arrayexpress
Project description:To study the biological and functional role of vimentin in maintenance of the mesenchymal phenotype of mammary epithelial cells, vimentin was silenced in the non-transformed MCF10A cells and vimentin-dependent changes in gene expression were analyzed. Scrambled is the siScr-transfected control with two replicates; KD the sample with vimentin knockdown, also two replicates.
2010-11-18 | E-GEOD-17802 | biostudies-arrayexpress
Project description:Purpose:The Vimentin gene plays a pivotal role in epithelial-to-mesenchymal transition (EMT) and is known to be over-expressed in the prognostically poor basal-like breast cancer subtype. Recent studies have reported Vimentin DNA methylation in association with poor clinical outcomes in other solid tumors, but not in breast cancer. We therefore quantified Vimentin DNA methylation in breast tumors and matched normal pairs in association with gene expression and survival in a cohort of 83 breast cancer patients. Materials and Methods:Vimentin methylation was quantified in 14 breast cell lines, 83 breast tumors, and 57 matched normal pairs using MALDI-TOF mass spectrometry. Gene expression data via qRT-PCR in cell lines, and oligo microarray data from breast tissues was correlated with percent methylation in the Vimentin promoter. A threshold of 20 percent average methylation was set for bivariate and multivariate tests of association between methylation and tumor subtype, tumor histopathology, and survival. Results:Vimentin was differentially methylated in luminal breast cancer cell lines, and in luminal A, luminal B and HER2+ breast tumor subtypes, but was rare in basal-like cell lines and tumors. Increased methylation was strongly correlated with decreased mRNA expression in cell lines, and had a moderate inverse correlation in breast tumors. Importantly, Vimentin methylation predicted poor overall survival independent of race, subtype, stage, nodal status or estrogen receptor positivity. Conclusion:Vimentin methylation predicts overall survival in breast cancer patients and holds promise as a prognostic biomarker for guiding treatment and prophylaxis.
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