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Gene expression profile of Wild Type (WT) and P2x7 knockout (P2X7-KO) leukemia leukemia-initiating cells Transcriptomes

ABSTRACT: To determine the underlying molecular mechanisms that control the homing and self-renewal activities of P2x7-null Mac-1+c-Kit+ LICs, WT and P2x7-null LICs were WT and P2x7-KO were sorted by flow cytometry, followed by the extraction of total RNA and subjected to the RNA-sequencing.

ORGANISM(S): Mus musculus

PROVIDER: GSE162468 | GEO | 2023/11/30

REPOSITORIES: GEO

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Gene expression profile of Wild Type (WT) and P2x1 knockout (P2X1-KO) leukemia leukemia-initiating cells Transcriptomes

Project description:To determine the underlying molecular mechanisms that control the homing and self-renewal activities of P2x1-null Mac-1+c-Kit+ LICs, WT and P2x1-null LICs were WT and P2x1-KO were sorted by flow cytometry, followed by the extraction of total RNA and subjected to the RNA-sequencing.

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Analysis of Wild Type and B7-H4-/- leukemia initial cells Transcriptomes

Project description:The goal of this study are to find the abonormally expressed genes of B7-H4-/- leukemia inital cells in MLL-AF9 induced AML mice by RNA-seq analysis.Methods: Lin- festival liver cells were isolated from WT and B7-H4-null mice and infected with MLL-AF9 retroviruses, then transplanted to the lethally irradiated recipient mice. When AML developed, we isolated the YFP+/Mac-1+/c-Kit+ bone marrow cells by FACS and and then made the RNA-sequence using Illumina. Results: We identified 27180 transcripts in wild type and B7-H4-/- leukemia initial cells. 572 transcripts showed differential expression between the WT and B7-H4−/− LICs, with a fold change ≥1.5 and p value <0.01. 271 transcripts were downregulated and 241 transcripts were upregulated.

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The ATP-P2X7 signaling axis is dispensable for obesity-associated inflammasome activation in adipose tissue

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P2X7 receptor-dependent microRNA expression profile in the brain following status epilepticus in mice

Project description:We explored the microRNA expression profile in mice lacking the P2X7 receptor before and after seizures. Genome-wide microRNA profiling was performed using hippocampi from wild-type and P2X7 knock-out mice following status epilepticus induced by intraamygdala kainic acid. This revealed that genetic deletion of the P2X7 receptor results in distinct patterns of microRNA expression. Specifically, we found that in vehicle-injected control mice the lack of P2X7 resulted in the up-regulation of 50 microRNAs and down-regulation of 35 microRNAs. Post-status epilepticus, P2X7 deficiency let to the up-regulation of 44 microRNAs while 13 microRNAs were down-regulated. Moreover, there was only limited overlap between identified P2X7-dependent microRNAs between control conditions and post-status epilepticus, suggesting P2X7 regulating the expression of different microRNAs during normal physiology and pathology. Bioinformatics analysis found that genes targeted via P2X7-dependent microRNAs were particularly overrepresented within pathways involved in intracellular signalling, inflammation and cell death, processes repeatedly linked to P2X7. Moreover, whereas genes involved in signalling pathways and inflammation were common among up-and down-regulated P2X7-dependent miRNAs during physiological and pathological conditions, genes associated with cell death seemed to be restricted to up-regulated miRNAs during both physiological conditions and post-status epilepticus. Taken together, our results demonstrate that P2X7 impacts on the expression profile of microRNAs in the brain, thereby possibly contributing to both the maintenance of normal cellular homeostasis and pathological processes.

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