Pd1 regulates proliferation and differentiation of neural progenitors during brain development
Ontology highlight
ABSTRACT:
ORGANISM(S): Mus musculus
PROVIDER: GSE207712 | GEO | 2022/07/11
REPOSITORIES: GEO
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Project description:Purpose: To further explore how endothelial RNF20 regulates embryonic neurogenesis, RNA isolated from the endothelial cells of RNF20fl/fl and RNF20cKO-Tie2 brain cortex at E13 was analyzed by RNA-seq to determine the genome-wide changes. Methods: mRNA from E13 isolated endothelial cells of RNF20fl/fl and RNF20cKO-Tie2 mice was extracted. Specifically, Agilent 2100 Bioanalyze was used to quality controlled and quantified. then, mRNA was converted to cDNA and bound the library. RNA-sequencing analysis was used by the Illumina HiSeq 2500 platform in Annoroad Genomics Results: Approximately one thousand transcripts showed differential expression between the RNF20fl/fl and RNF20cKO-Tie2 mice brain cortex, with a fold change ≥2 and p value <0.05. Gene ontology analysis of downregulated genes showed the genes were enriched in terms related to neuron differentiation, cell communication and secretion by cells.Concomitantly, upregulated genes were enriched in terms related to negative regulation of cytokine production and cell development.The results showed that endothelial RNF20 is critical for neurogenesis. Conclusions: Endothelial RNF20 RNA-seq would provide a overall understanding how endothelial RNF20 regulates the self-renewal and differentiation of neural precursor cells during embryonic development
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Project description:During cortical development neurons are generated sequentially from basal progenitors (BPs) which specifically express the transcription factor Tbr2. We used fluorescent-activaed cell sorting (FACS) to isolate BPs from Tbr2GFP knockin reporter mice (Arnold SJ et al. Genesis, 2009) at early (embryonic day, E13) and late (embryonic day, E16) stages of cortical neurogenesis and determined mRNA expression profiles using mouse mRNA microarray (Illumina MouseWG-6 v2). Comparison of E13 and E16 mRNA expression profiles allowed us to identify regulatory gene networks for maintaining stage specific homeostasis of BPs throughout neurogenesis. FACS isolated BPs at E13 and E16 mouse brain cortex were used for microarray analyses. Six biological replicates (embryonic cortex from three different litters) for E13 and five biological replicates (embryonic cortex from three different litters) for E16 were analysed.
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Project description:During cortical development neurons are generated sequentially from basal progenitors (BPs) which specifically express the transcription factor Tbr2. We used fluorescent-activaed cell sorting (FACS) to isolate BPs from Tbr2GFP knockin reporter mice (Arnold SJ et al. Genesis, 2009) at early (embryonic day, E13) and late (embryonic day, E16) stages of cortical neurogenesis and determined miRNA expression profiles using mouse miRNA microarray (Agilent).Comparison of E13 and E16 microRNA expression profiles allowed us to identify regulatory mechanisms for maintaining stage specific homeostasis of BPs. FACS isolated BPs at E13 and E16 mouse brain cortex were used for miRNA microarray analyses. Four biological replicates (embryonic cortex from three different litters) for each group (E13 or E16) were analysed.
2014-05-01 | E-GEOD-45449 | biostudies-arrayexpress
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