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The Myc-Associated Zinc Finger Protein (MAZ) controls STAT1-mediated antiviral response by reshaping epigenome [MeDIP-Seq]

ABSTRACT: The objectives of this study are to understand the regulatory roles of MAZ in biological processes using the NGS-deriveed ChIP-seq, DNA-MEDIP-seq and RNA-seq data in HAP1 control cells and MAZ knockout cells. Our comparative analysis of these data generated from the HAP1 control and MAZ KO cells shows that MAZ is required for recruiting STAT1 to its target sites by reshaping epigenetic landscape in the human genome, thereby mediating antiviral response cells. MEDIP-seq was performed using the MagMeDIP-seq Package from Diagenode in HAP1 control and HAP1 MAZ knockout cells following manufacturer's instructions.

ORGANISM(S): Homo sapiens

PROVIDER: GSE215082 | GEO | 2024/04/04

REPOSITORIES: GEO

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The Myc-Associated Zinc Finger Protein (MAZ) controls STAT1-mediated antiviral response by reshaping epigenome [ChIP-Seq]

Project description:The objectives of this study are to understand the regulatory roles of MAZ in biological processes using the NGS-deriveed ChIP-seq, DNA-MEDIP-seq and RNA-seq data in HAP1 control cells and MAZ knockout cells. Our comparative analysis of these data generated from the HAP1 control and MAZ KO cells shows that MAZ is required for recruiting STAT1 to its target sites by reshaping epigenetic landscape in the human genome, thereby mediating antiviral response cells. Chromatin immunoprecipitation DNA-sequencing (ChIP-seq) for STAT1 and H3K4me3, H3K27Ac in HAP1 cells.

2024-03-25 | GSE215081 | GEO

The Myc-Associated Zinc Finger Protein (MAZ) controls STAT1-mediated antiviral response by reshaping epigenome [RNA-Seq]

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The Myc-Associated Zinc Finger Protein (MAZ) Works Both Independently and Together with CTCF to Control Cohesin Positioning and Genome Organization

Project description:Purpose: The objectives of this study are to evaluate the roles of MAZ in cellular processes using the NGS-deriveed ChIP-seq, RNA-seq and Hi-C profiles in K562 wild type and siRNA MAZ knockdown cells Methods: ChIP-Seq and Hi-C profiles of K562 wild-type (WT) and siRNA MAZ knockdown cells were generated by deep sequencing in duplicate or triplicate using Illumina GAIIx. The ChIP-seq sequence reads were analyzed with Burrows–Wheeler Aligner (BWA) followed by MACS software; The Hi-C sequence reads were analyzed with Juicer and HiC-Pro software. Results: Comparative analysis of the ChIP-seq, RNA-seq and Hi-C data between K562 wild type and siRNA MAZ knockdown cells indicates that 1.MAZ colocalizes with CTCF in the genome, and helps stabilize CTCF binding; 2. MAZ is able to arrest the cohesin complex independently of CTCF and contributes additively to cohesin localization when it is associated with CTCF; 3. MAZ, similarly to CTCF, acts as an insulator protein to block interaction between promoter and enhancer ; 4. MAZ can pause the elongating form of RNA Pol II; and 5. MAZ helps control local chromatin organization and some aspects of TAD structure. Conclusions: Our study represents the first detailed analysis of retinal transcriptomes, with biologic replicates, generated by RNA-seq technology. The optimized data analysis workflows reported here should provide a framework for comparative investigations of expression profiles. Our results show that NGS offers a comprehensive and more accurate quantitative and qualitative evaluation of mRNA content within a cell or tissue. We conclude that RNA-seq based transcriptome characterization would expedite genetic network analyses and permit the dissection of complex biologic functions.

2021-01-01 | GSE143937 | GEO

CRISPR and biochemical screens Identify MAZ as a co-factor in CTCF-mediated insulation at Hox Clusters

Project description:In this experiment, we sought to identify how the distribution of MAZ change in WT, MAZ HoxA(Δ5|6), and MAZ HoxD(Δ4|8) cells during differentiation of mouse embryonic stem cells (ESCs) into cervical motor neurons (MNs)

2022-02-06 | GSE190991 | GEO

MAZ induces MYB expression during the exit from quiescence via the E2F site in the MYB promoter

Project description:Most E2F-binding sites repress transcription through the recruitment of Retinoblasoma (RB) family members until the end of the G1 cell-cycle phase. Although the MYB promoter contains an E2F-binding site, its transcription is activated shortly after the exit from quiescence, before RB family members inactivation, by unknown mechanisms. We had previously uncovered a nuclear factor distinct from E2F, Myb-sp, whose DNA-binding site overlapped the E2F element and had hypothesized that this factor might overcome the transcriptional repression of MYB by E2F-RB family members. We have purified Myb-sp and discovered that Myc-associated zinc finger proteins (MAZ) are major components. We show that various MAZ isoforms are present in Myb-sp and activate transcription via the MYB-E2F element. Moreover, while forced RB or p130 expression repressed the activity of a luciferase reporter driven by the MYB-E2F element, co-expression of MAZ proteins not only reverted repression, but also activated transcription. Finally, we show that MAZ binds the MYB promoter in vivo, that its binding site is critical for MYB transactivation, and that MAZ knockdown inhibits MYB expression during the exit from quiescence. Together, these data indicate that MAZ is essential to bypass MYB promoter repression by RB family members and to induce MYB expression.

2017-10-04 | PXD006857 | Pride

CRISPR and biochemical screens identify MAZ as a co-factor in CTCF-mediated insulation at Hox clusters [MAZ KO]

Project description:In this experiment, we sought to analyze how transcriptome of WT and MAZ knock-out (KO) cells change during differentiation of mouse embryonic stem cells (ESCs) into cervical motor neurons (MNs)

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CRISPR and biochemical screens identify MAZ as a co-factor in CTCF-mediated insulation at Hox clusters [MAZ motif deletion RNA-seq]

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2022-02-06 | GSE157138 | GEO

CRISPR and biochemical screens Identify MAZ as a co-factor in CTCF-mediated insulation at Hox Clusters [ChIP-seq_set6]

Project description:In this experiment, we sought to identify how the distribution of CTCF and MAZ change in WT and MAZ knock-out (KO) cells during differentiation of mouse embryonic stem cells (ESCs) into cervical motor neurons (MNs)

2022-02-06 | GSE192426 | GEO

Genome-wide map of MAZ transcription factor in primary human erythroid cells

Project description:We report the distribution of binding sites of Myc-associated zinc finger (MAZ) transcription factor in primary human erythroid cells

2021-06-30 | GSE139281 | GEO

CRISPR and biochemical screens Identify MAZ as a co-factor in CTCF-mediated insulation at Hox Clusters [ChIP-seq_set3]

Project description:In this experiment, we sought to identify how the distribution of CTCF change in WT, MAZ HoxA(Δ5|6), MAZ HoxD(Δ4|8), and CTCF (Δ5|6:6|7) cells during differentiation of mouse embryonic stem cells (ESCs) into cervical motor neurons (MNs).

2022-02-06 | GSE190989 | GEO

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