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BACH1 as a master regulator gene in vascular cells during aging

ABSTRACT: BACH1 as a master regulator gene in vascular cells during aging

PROVIDER: PRJNA768263 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR16173412_1.fastq.gz	Fastqsanger.gz
	SRR16173412_2.fastq.gz	Fastqsanger.gz
	SRR16173413_1.fastq.gz	Fastqsanger.gz
	SRR16173413_2.fastq.gz	Fastqsanger.gz
	SRR16173414_1.fastq.gz	Fastqsanger.gz

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BACH1 as a master regulator gene in vascular cells during aging

Project description:We identify transcription factor BACH1 as a master regulator in vascular cells during aging. BACH1 is upregulated in the aorta of old mice. We find BACH1 is located on open chromatin and BACH1 binds to CDKN1A gene enhancer and activates its transcription in endothelial cells. Finally, BACH1 aggravates endothelial cell senescence under oxidative stress. Thus, these findings demonstrate a crucial regulatory role of BACH1 in vascular aging.

2024-09-15 | GSE185210 | GEO

BACH1, the master regulator of oxidative stress, modulates CFTR gene expression [RNA-seq]

Project description:The cystic fibrosis transmembrane conductance regulator (CFTR) gene lies within a TAD in which multiple cis-regulatory elements (CREs) and transcription factors (TFs) regulate its cell-specific expression. The CREs are recruited to the gene promoter by a looping mechanism that depends upon both architectural proteins and specific TFs. An siRNA screen to identify TFs coordinating CFTR expression in airway epithelial cells suggested an activating role for BTB Domain and CNC Homolog 1 (BACH1). BACH1 is a ubiquitous master regulator of the cellular response to oxidative stress. Here we show that BACH1 may have a dual effect on CFTR expression by direct occupancy of CREs at physiological oxygen (~8%), while indirectly modulating expression under conditions of oxidative stress. Hence BACH1, can activate or repress the same gene, to fine tune expression in response to environmental cues such as cell stress. Furthermore, our 4C-seq data suggest that BACH1 can also directly regulate CFTR gene expression by modulating locus architecture through occupancy at known enhancers and structural elements, and depletion of BACH1 alters the higher order chromatin structure.

2021-11-17 | GSE165718 | GEO

BACH1, the master regulator of oxidative stress, modulates CFTR gene expression [ChIP-seq]

2021-11-17 | GSE165717 | GEO

BACH1, the master regulator of oxidative stress, modulates CFTR gene expression [4C-seq]

2021-11-17 | GSE165716 | GEO

BACH1, the master regulator of oxidative stress, modulates CFTR gene expression

Project description:BACH1, the master regulator of oxidative stress, modulates CFTR gene expression

| PRJNA695525 | ENA

BACH1, the master regulator of oxidative stress, modulates CFTR gene expression [ChIP-seq]

Project description:BACH1, the master regulator of oxidative stress, modulates CFTR gene expression [ChIP-seq]

| PRJNA695529 | ENA

BACH1, the master regulator of oxidative stress, modulates CFTR gene expression [RNA-seq]

Project description:BACH1, the master regulator of oxidative stress, modulates CFTR gene expression [RNA-seq]

| PRJNA695530 | ENA

BACH1, the master regulator of oxidative stress, modulates CFTR gene expression [4C-seq]

Project description:BACH1, the master regulator of oxidative stress, modulates CFTR gene expression [4C-seq]

| PRJNA695528 | ENA

Gene expression data from 1833 cells and 1833 cells depleted of BACH1 mRNA expression

Project description:The transcription factor BACH1 is a master regulator of human breast cancer metastasis. Here we use gene expression array analysis to identify and compare the genes regulated by BACH1 depletion in a metastatic human breast cancer cell line. Total RNAs were extracted from vector control 1833 cells or 1833 cells with shBACH mRNA BACH1 depletion. Affymetrix GeneChip Human Gene 1.0 ST Arrays were performed to detail the gene expression and identify the genes regulated by BACH1in metastatic human breast cancer cells.

2013-10-31 | E-GEOD-50226 | biostudies-arrayexpress

Single-Cell Analysis Identify Transcription Factor BACH1 as a Master Regulator Gene in Vascular Cells During Aging.

Project description:Vascular aging is a potent driver of cardiovascular and cerebrovascular diseases. Vascular aging features cellular and functional changes, while its molecular mechanisms and the cell heterogeneity are poorly understood. This study aims to 1) explore the cellular and molecular properties of aged cardiac vasculature in monkey and mouse and 2) demonstrate the role of transcription factor BACH1 in the regulation of endothelial cell (EC) senescence and its mechanisms. Here we analyzed published single-cell RNA sequencing (scRNA-seq) data from monkey coronary arteries and aortic arches and mouse hearts. We revealed that the gene expression of YAP1, insulin receptor, and VEGF receptor 2 was downregulated in both aged ECs of coronary arteries' of monkey and aged cardiac capillary ECs of mouse, and proliferation-related cardiac capillary ECs were significantly decreased in aged mouse. Increased interaction of ECs and immunocytes was observed in aged vasculature of both monkey and mouse. Gene regulatory network analysis identified BACH1 as a master regulator of aging-related genes in both coronary and aorta ECs of monkey and cardiac ECs of mouse. The expression of BACH1 was upregulated in aged cardiac ECs and aortas of mouse. BACH1 aggravated endothelial cell senescence under oxidative stress. Mechanistically, BACH1 occupied at regions of open chromatin and bound to CDKN1A (encoding for P21) gene enhancers, activating its transcription in senescent human umbilical vein endothelial cells (HUVECs). Thus, these findings demonstrate that BACH1 plays an important role in endothelial cell senescence and vascular aging.

| S-EPMC8740196 | biostudies-literature

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