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Mouse SINE B2 elements function as IFN-inducible enhancer elements [CUT&Tag]

ABSTRACT: B2_Mm2 acts as a STAT1 binding site and interferon inducible enhancer of the nearbby interferon-stimulated gene Dicer1 during an innate immune response (IFNG stimulated). J774 knockouts deficient of B2_Mm2 were also found to have downregulated expression of Serpina3f and Serpina3g, indicating that B2_Mm2 acts as an enhancer on these nearby genes likely due to its capability as a CTCF-binding site.

ORGANISM(S): Mus musculus

PROVIDER: GSE202572 | GEO | 2022/05/30

REPOSITORIES: GEO

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Mouse SINE B2 elements function as IFN-inducible enhancer elements [RNA-Seq]

Project description:B2_Mm2 acts as a STAT1 binding site and interferon inducible enhancer of the nearbby interferon-stimulated gene Dicer1 during an innate immune response (IFNG stimulated). J774 knockouts deficient of B2_Mm2 were also found to have downregulated expression of Serpina3f and Serpina3g, indicating that B2_Mm2 acts as an enhancer on these nearby genes likely due to its capability as a CTCF-binding site.

2022-05-30 | GSE202573 | GEO

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Mouse SINE B2 elements function as IFN-inducible enhancer elements

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Next generation sequencing of MA-10 mouse Leydig tumor cells facilitates quantitative analysis of SINE B2-antisense transcripts with the RNAi system: wild type and Dicer1-knockdown transcriptomes

Project description:We report the comparison between SINE B2-AS transcriptome profiling and Dicer1-deficient-cell transcriptome profiling using RNA-seq analysis. We report that thousands of SINE B2 copies encode long B2-AS transcripts, which are constantly degraded by Dicer1. This new class of B2-AS transcripts regulates the expression of SINE B2 sense (B2-S) transcripts. Long B2-S is the main cause of cellular toxicity likely mediated by the multifunctional protein TSPO. Some B2-AS transcripts are putative miRNAs interconnected with the RNAi system. We propose that B2-AS transcripts have evolved as a self-defense mechanism to subvert the host RNAi system.

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Project description: Not available

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