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Orchestrated intron retention regulates normal granulocyte differentiation [RNA-Seq]

ABSTRACT: Orchestrated intron retention regulates normal granulocyte differentiation [RNA-Seq]

PROVIDER: PRJNA209629 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR922198.fastq.gz	Fastqsanger.gz
	SRR922199.fastq.gz	Fastqsanger.gz
	SRR922200.fastq.gz	Fastqsanger.gz
	SRR922201_1.fastq.gz	Fastqsanger.gz
	SRR922201_2.fastq.gz	Fastqsanger.gz

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Orchestrated intron retention regulates normal granulocyte differentiation [Affymetrix arrays]

Project description:Using mRNA-seq, we determined intron retaining genes that were differentially regulated in FACS purified cells at three progressive stages of mouse granulopoiesis; CD34+Kit+Gr-1low promyelocytes, CD34-Kit-Gr-1mid myelocytes and CD34-Kit-Gr-1high granulocytes. We found that IR affects 86 genes, including those specific to granulocyte (Lyz2 and MMP8) and nuclear architecture (Lmnb1 and Lbr). IR was associated with the decrease in protein levels measured by mass spectrometry (P=0.0015, binomial test). Inhibition of NMD in granulocytes resulted in marked accumulation of 39/86 intron retaining mRNAs (P<0.05, RUV procedure with Holm-Bonferroni correction), indicating that IR triggers NMD to downregulate mRNA and protein expression. We used Affymetrix's Mouse Gene 1.0 ST array to determine accumulation of RNA-transcripts following inhibition of nonsense-mediated decay in primary mouse granulocytes using caffeine.

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Orchestrated intron retention regulates normal granulocyte differentiation [RNA-Seq]

Project description:Using mRNA-seq, we determined intron retaining genes that were differentially regulated in FACS purified cells at three progressive stages of mouse granulopoiesis; CD34+Kit+Gr-1low promyelocytes, CD34-Kit-Gr-1mid myelocytes and CD34-Kit-Gr-1high granulocytes. We found that IR affects 86 genes, including those specific to granulocyte (Lyz2 and MMP8) and nuclear architecture (Lmnb1 and Lbr). IR was associated with the decrease in protein levels measured by mass spectrometry (P=0.0015, binomial test). There was a significant overlap of IR between human and mouse (P=2.85E-22, hypergeometric test), showing that IR is conserved.Inhibition of NMD in granulocytes resulted in marked accumulation of 39/86 intron retaining mRNAs (P<0.05, RUV procedure with Holm-Bonferroni correction), indicating that IR triggers NMD to downregulate mRNA and protein expression. Sequencing of polyadenylated RNA from three types of myeloid cells (promyelocytes, myelocytes and granulocytes) using Illumina GAIIx

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Project description:Using mRNA-seq, we determined intron retaining genes that were differentially regulated in FACS purified cells at three progressive stages of mouse granulopoiesis; CD34+Kit+Gr-1low promyelocytes, CD34-Kit-Gr-1mid myelocytes and CD34-Kit-Gr-1high granulocytes. We found that IR affects 86 genes, including those specific to granulocyte (Lyz2 and MMP8) and nuclear architecture (Lmnb1 and Lbr). IR was associated with the decrease in protein levels measured by mass spectrometry (P=0.0015, binomial test). There was a significant overlap of IR between human and mouse (P=2.85E-22, hypergeometric test), showing that IR is conserved.Inhibition of NMD in granulocytes resulted in marked accumulation of 39/86 intron retaining mRNAs (P<0.05, RUV procedure with Holm-Bonferroni correction), indicating that IR triggers NMD to downregulate mRNA and protein expression.

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