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Murine T-cells from wildtype and Gfi1 knockout mice

ABSTRACT: murine T-cells from wildtype and Gfi1 knockout mice

PROVIDER: PRJNA95901 | ENA |

REPOSITORIES: ENA

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Transcription profiling of mouse T-cells from wildtype and Gfi1 knockout mice

Project description:This SuperSeries is composed of the following subset Series:; GSE4938: murine CD4+ and CD8+ T-cells from wildtype and Gfi knockout cells; GSE4940: murine T-cells from wildtype and Gfi1 knockout mice activated by anti-CD3 plus anti-CD28 for 0 to 24h Experiment Overall Design: Refer to individual Series

2009-08-07 | E-GEOD-4950 | biostudies-arrayexpress

murine T-cells from wildtype and Gfi1 knockout mice activated by anti-CD3 plus anti-CD28 for 0 to 24h

Project description:To compare the transcriptomes of T-cells from Gfi1-knockout cells with wildtype cells, spleenocytes from wildtype and Gfi-knockout C57Bl/6 mice were isolated using panT-cell kit in an AutoMACS device (Miltenyi). Cells were cultured with anti-CD3 plus anti-CD28 antibodies (2 µg antibody/ml) for the indicated time period. Total RNAs was isolated and subjected to microarray analysis on Affymetrix MOE430A_2.0 arrays. Keywords: time course, wt and Gfi1 knockout

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Transcription profiling of mouse T-cells from wildtype and Gfi1 knockout mice activated by anti-CD3 plus anti-CD28 for 0 to 24h

Project description:To compare the transcriptomes of T-cells from Gfi1-knockout cells with wildtype cells, spleenocytes from wildtype and Gfi-knockout C57Bl/6 mice were isolated using panT-cell kit in an AutoMACS device (Miltenyi). Cells were cultured with anti-CD3 plus anti-CD28 antibodies (2 Âµg antibody/ml) for the indicated time period. Total RNAs was isolated and subjected to microarray analysis on Affymetrix MOE430A_2.0 arrays. Experiment Overall Design: 8 samples, 1 replicate per group

2008-10-18 | E-GEOD-4940 | biostudies-arrayexpress

murine CD4+ and CD8+ T-cells from wildtype and Gfi knockout cells

Project description:to compare the transcriptomes of naïve CD4+ and CD8+ T-cells from Gfi1-knockout cells with wildtype cells, spleenocytes from wildtype and Gfi-knockout C57Bl/6 mice were isolated, stained with CD44, CD4 and CD8 antibodies and separated by using a FACS Diva (Becton Dickinson). Total RNAs isolated from 2 mice each (approximately 2xE06 cells) were pooled and subjected to microarray analysis on Affymetrix MOE430A_2.0 arrays Keywords: knockout mice

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Transcription profiling of naive CD4+ and CD8+ T-cells from Gfi1-knockout and wild type mice

Project description:to compare the transcriptomes of naÃ¯ve CD4+ and CD8+ T-cells from Gfi1-knockout cells with wildtype cells, spleenocytes from wildtype and Gfi-knockout C57Bl/6 mice were isolated, stained with CD44, CD4 and CD8 antibodies and separated by using a FACS Diva (Becton Dickinson). Total RNAs isolated from 2 mice each (approximately 2xE06 cells) were pooled and subjected to microarray analysis on Affymetrix MOE430A_2.0 arrays Experiment Overall Design: 4 samples, 1 replicate per group

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Project description:Hematopoietic stem cells (HSCs) and lymphoid-primed multi-potential progenitors (LMPPs) are able to initiate both lymphoid and myeloid differentiation. We show here that the transcriptional repressor Gfi1 (growth factor independence 1) implements a specific gene expression program in HSCs and LMPPs that is critical for their survival and lymphoid differentiation potential. We present evidence that Gfi1 is required to maintain expression of genes involved in lymphoid development such as Flt-3, IL7R, Ebf1, Rag1, CCR9 and Notch1 and controls myeloid lineage commitment by regulating expression of genes such as Hoxa9 or M-CSFR. Gfi1 also inhibits apoptosis in HSCs by repressing pro-apoptotic genes such as Bax or Bak. As a consequence, Gfi1-/- mice show defects in self renewal, survival and both myeloid and lymphoid development of HSCs and LMPPs. Co-expression of a Bcl-2 transgene can partially restore the function of HSCs in Gfi1-/- mice, but not the defects in early lymphoid development. Of interest, Gfi1-/- x Bcl-2 transgenic mice show an accelerated expansion of myeloid cells and succumb to a fatal myeloproliferative disease resembling chronic myelomonocytic leukemia (CMML). Our data show that Gfi1 protects HSCs against apoptosis, ensures the proper development of LMPPs and plays a role in the development of myeloid leukemia. We used microarrays to detail the global gene expression changes following knockout of Gfi1 in mouse LSK cells We compared LSK cells isolated from Gfi1 knockout mice with wildtype cells to determine global gene expression changes by microarray analysis

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Nrf2 Knockout vs. Wildtype mice, spleen sample

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