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Disruption of RNAPII transcription elongation links Oncogenic splicing factor mutations to replciation stress and targetable alterations in chromatin landscape [NTD-chIP-seq]

ABSTRACT: To investigate changes in RNAPII distribution in response to SF3B1 mutations, we peformed ChIP-seq using antibody against N-terminal domain of RNAPII (Pan-Pol2) in K562 cells (wild type and SF3B1K700E mutant) at 4 days after mutant allele expression We then performed coverage plot analysis using data obtained from ChIP-seq to investigate RNAPII distribution changes

ORGANISM(S): Homo sapiens

PROVIDER: GSE225997 | GEO | 2024/03/12

REPOSITORIES: GEO

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Disruption of RNAPII transcription elongation links Oncogenic SFB31 mutations to replciation stress and targetable alterations in chromatin landscape [mNET-Seq]

Project description:To investigate changes in RNAPII distribution in response to SF3B1 mutations, we peformed mNET-seq using antibody against either pan Pol II CTD or Ser2P Pol II CTD in K562 cells (wild type and SF3B1K700E mutant) at 4 days after mutant allele expression We then performed coverage plot analysis using data obtained from mNET-seq to investigate RNAPII distribution changes. Drosophila spike-in was included for the pan-Pol II CTD studies.

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Disruption of RNAPII transcription elongation links Oncogenic splicing factor mutations to replciation stress and targetable alterations in chromatin landscape [NTD-Seq]

Project description:To investigate changes in RNAPII distribution in response to SF3B1 mutations, we peformed ChIP-seq using antibody against N-terminal domain of RNAPII (Pan-Pol2) in K562 cells We then performed coverage plot analysis using data obtained from ChIP-seq to investigate RNAPII distribution changes

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Disruption of RNAPII transcription elongation links Oncogenic splicing factor mutations to replciation stress and targetable alterations in chromatin landscape [Murine ChIP-Seq]

Project description:To investigate changes in Pol2 distribution in response to SF3B1 mutations, we peformed ChIP-seq using antibody against Pol2 (both CTD and elongation specific (Ser2P and Ser5p). For the murine model, SF3B1 mutant (and WT counterparts) were treated with tamoxifen daily x 5 days at 5 weeks of age. Mice were euthanized at end of week 7 and bone marrow was harvested to isolate lineage negative cells We then performed coverage plot analysis using data obtained from ChIP-seq from IP fractions to investigate Pol2 distribution changes

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Disruption of RNAPII transcription elongation links Oncogenic splicing factor mutations to replciation stress and targetable alterations in chromatin landscape [CDK9-chIP-seq]

Project description:To investigate changes in p-TEFb distribution in response to SF3B1 mutations, we peformed ChIP-seq using antibody against the CDK9 component of pTEFb in K562 cells (wild type and SF3B1K700E mutant) at 4 days after mutant allele expression We then performed coverage plot analysis using data obtained from ChIP-seq from IP and Input fractions to investigate CDK9 distribution changes

2024-03-12 | GSE225996 | GEO

Disruption of RNAPII transcription elongation links Oncogenic splicing factor mutations to replciation stress and targetable alterations in chromatin landscape [GRO-seq]

Project description:To investigate redistribution of RNAPII in response to the SF3B1 mutation and to study its effects on nascent gene expression, we peformed fastGRO-seq (variant of GRO-seq using 4-thio-UTP based nuclear run-on) in K562 cells (wild type and SF3B1K700E mutant) at 4 days after mutant allele expression We then performed metaplot-based and gene expression analysis using data obtained from fastGRO-seq

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Disruption of RNAPII transcription elongation links Oncogenic splicing factor mutations to replciation stress and targetable alterations in chromatin landscape [Ser5PRNAPII ChIP-Seq]

Project description:To investigate changes in the elongating form of RNA Polymerase II across different conditions, we peformed ChIP-seq using antibody against the Ser5P RNAPII of pTEFb in K562 cells at 4 days after modified allele expression We then performed coverage plot analyses using data obtained from ChIP-seq from IP and Input fractions to investigate Ser5P RNAPII distribution changes

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Disruption of RNAPII transcription elongation links Oncogenic splicing factor mutations to replciation stress and targetable alterations in chromatin landscape [Ser2PRNAPII ChIP-seq]

Project description:To investigate changes in the elongating form of RNA Polymerase II across different conditions, we peformed ChIP-seq using antibody against the Ser2P RNAPII of pTEFb in K562 cells at 4 days after modified allele expression We then performed coverage plot analyses using data obtained from ChIP-seq from IP and Input fractions to investigate Ser2P RNAPII distribution changes

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Disruption of RNAPII transcription elongation links Oncogenic splicing factor mutations to replciation stress and targetable alterations in chromatin landscape [DRIP-seq]

Project description:To investigate the distribution of R-loop formation, we peformed R-loop mapping analysis using S9.6 antibody-based DRIP-seq in K562 cells (wild type and SF3B1K700E mutant) at 4 days after mutant allele expression We then performed metaplot and peak-based analysis using data obtained from DRIP-seq

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Disruption of RNAPII transcription elongation links Oncogenic splicing factor mutations to replciation stress and targetable alterations in chromatin landscape [TT-TL seq]

Project description:To investigate how whether the RNAPII defect is premature pause release defect or gene body elongation defect due to splicing factor mutations, we peformed TT-TL-seq (TT seq with a time lapse component) in K562 cells (wild type and SF3B1K700E mutant; U2AF1wild type vs U2AF1 S34F mutant) at 4 days after mutant allele expression We then performed metaplot-based and gene expression analysis using data obtained from TT-TL seq

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Disruption of RNAPII transcription elongation links Oncogenic splicing factor mutations to replciation stress and targetable alterations in chromatin landscape [Long read sequencing]

Project description:To understand how SF3B1K700E impacts co-transcriptional splicing, we peformed long read sequencing of RNA (nSRS-seq) in K562 cells (wild type and SF3B1K700E mutant) at 4 days after mutant allele expression We then performed co-transcriptional splicing efficiency analysis using data obtained from Long read sequencing

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