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BHLHE40 is key hypoxia-induced transcriptional repressor in beta cells

ABSTRACT: BHLHE40 is key hypoxia-induced transcriptional repressor in beta cells

PROVIDER: PRJNA836763 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR19153954_1.fastq.gz	Fastqsanger.gz
	SRR19153954_2.fastq.gz	Fastqsanger.gz
	SRR19153955_1.fastq.gz	Fastqsanger.gz
	SRR19153955_2.fastq.gz	Fastqsanger.gz
	SRR19153956_1.fastq.gz	Fastqsanger.gz

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BHLHE40 is key hypoxia-induced transcriptional repressor in beta cells

Project description:To assess the impact of hypoxia on global gene expression of beta cells, we performed bulk RNA-seq on mouse islets, human islets and MIN6 cells. Bhlhe40 was transcriptional repressor which was highly induced by hypoxia in beta cells. Thus, we established Bhlhe40 overexpressing MIN6 cells and performed RNA-seq to identify the targets of Bhlhe40.

2023-05-01 | GSE202603 | GEO

BHLHE40 modulates gene transcription in breast cancer cells exposed to hypoxia and low glucose

Project description:Knockdown of BHLHE40 expression significantly reduced primary tumor growth and spontaneous lung metastasis in an orthotopic xenograft model of human breast cancer. Gene expression analysis implicated a role of BHLHE40 in hypoxia-induced exosomic secretion of Heparin Binding Epidermal Growth Factor HBEGF, which promotes cell survival and invasion. BHLHE40 induces HBEGF transcription by blocking DNA binding of HDAC1 and HDAC2.

2018-10-30 | GSE107300 | GEO

Expression data from mouse differentiated Bhlhe40-GFPneg and Bhlhe40-GFPpos TH17 cells

Project description:Microarray data on TH17 cells from Bhlhe40-GFP reporter mice We used microarrays to detail the global programme of gene expression in polarized Bhlhe40-GFPneg and Bhlhe40-GFPpos TH17 cells Purified naÃ¯ve CD4 T cells from spleen were polarized under TH17 condition in vitro. On day 4, cells were stimulated with PMA and ionomycin, and sorted by their Bhlhe40-GFP expression prior to microarray analysis

2016-01-04 | E-GEOD-75407 | biostudies-arrayexpress

Bhlhe40 is an essential repressor of IL-10 during Mycobacterium tuberculosis infection

Project description:The cytokine IL-10 antagonizes pathways that control Mycobacterium tuberculosis (Mtb) infection. Nevertheless, the impact of IL-10 during Mtb infection has been difficult to decipher because loss of function studies in animal models have yielded only mild phenotypes. We have discovered that the transcription factor Bhlhe40 is required to repress Il10 expression during Mtb infection. Loss of Bhlhe40 in mice results in higher Il10 expression, higher bacterial burden, and early susceptibility similar to that observed in mice lacking IFN-g. Deletion of Il10 in Bhlhe40-/- mice reverses these phenotypes. Bhlhe40 deletion in T cells or CD11c+ cells is sufficient to cause susceptibility to Mtb. Bhlhe40 represents the first transcription factor found to be essential during Mtb infection to specifically regulate Il10 expression, revealing the importance of strict control of IL-10 production by innate and adaptive immune cells during infection. Our findings uncover a previously elusive but significant role for IL-10 in Mtb pathogenesis.

2018-05-09 | GSE113054 | GEO

Bhlhe40 is an essential repressor of IL-10 during Mycobacterium tuberculosis infection

Project description:Bhlhe40 is an essential repressor of IL-10 during Mycobacterium tuberculosis infection

| PRJNA449905 | ENA

Expression data from mouse differentiated Bhlhe40-GFPneg and Bhlhe40-GFPpos TH17 cells

2016-01-04 | GSE75407 | GEO

STAT4 promotes Bhlhe40 induction to drive protective IFN-g from natural killer cells during viral infection [BHLHE40 CUT&RUN]

Project description:NK cells represent a cellular component of the mammalian innate immune system, and mount rapid responses against viral infection, including the secretion of the potent anti-viral effector cytokine IFN-g. Following mouse cytomegalovirus (MCMV) infection, Bhlhe40 was the most highly induced transcription factor in NK cells among the basic helix-loop-helix family. Bhlhe40 upregulation in NK cells depended upon IL-12 and IL-18 signals, with the promoter of Bhlhe40 enriched for STAT4 and the permissive histone H3K4me3, and STAT4-deficient NK cells showing an impairment of Bhlhe40 induction and diminished H3K4me3. Transcriptomic and protein analysis of Bhlhe40-deficient NK cells revealed a defect in IFN-g production during MCMV infection, resulting in diminished protective immunity following viral challenge. Finally, we provide evidence that Bhlhe40 directly promotes IFN-g by binding throughout the Ifng loci in activated NK cells. Thus, our study reveals how STAT4-mediated control of Bhlhe40 drives protective IFN-g secretion by NK cells during viral infection.

2023-09-13 | GSE242900 | GEO

Beta-blocker reverses hypoxia-inducible gene expression

Project description:To understand the transcripts/ pathways that are impacted by beta-blocker under hypoxia

2016-12-22 | GSE86793 | GEO

BHLHE40 modulates gene transcription in breast cancer cells exposed to hypoxia and low glucose

Project description:BHLHE40 modulates gene transcription in breast cancer cells exposed to hypoxia and low glucose

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Microarray data for Bhlhe40-sufficient and -deficient resident macrophages

Project description:Most tissue-resident macrophage populations develop during embryogenesis, self-renew in the steady state, and can expand during type 2 immunity. Whether shared mechanisms regulate macrophage proliferation in homeostasis and disease is unclear. We found that the transcription factor Bhlhe40 was cell-intrinsically required in large peritoneal macrophages (LPMs) for self-renewal and maintenance, but was not required in other resident macrophages. Bhlhe40 was selectively necessary in LPMs for proliferation, but not polarization, in response to IL-4. During a helminth infection, Bhlhe40 was required for normal LPM cell cycling. Bhlhe40 repressed the expression of Maf and Mafb and directly promoted expression of cell cycle-related transcripts to enable proliferation of LPMs. Genomic sites bound by Bhlhe40 in LPMs included some co-bound by the macrophage lineage-determining factor PU.1 and others uniquely bound by Bhlhe40, including Maf and cell cycle-related loci. Our findings demonstrate a tissue-specific control mechanism regulating resident macrophage proliferation in homeostasis and type 2 immunity.

2019-04-30 | GSE125727 | GEO

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