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Multi-dimensional histone modifications for coordinated regulation of gene expression under hypoxia or clioquinol (CQ) treatment.

ABSTRACT: Multi-dimensional histone modifications for coordinated regulation of gene expression under hypoxia or clioquinol (CQ) treatment.

PROVIDER: PRJNA736037 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR14760576_1.fastq.gz	Fastqsanger.gz
	SRR14760576_2.fastq.gz	Fastqsanger.gz
	SRR14760577_1.fastq.gz	Fastqsanger.gz
	SRR14760577_2.fastq.gz	Fastqsanger.gz
	SRR14760578_1.fastq.gz	Fastqsanger.gz

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Multi-dimensional histone modifications for coordinated regulation of gene expression under hypoxia or clioquinol (CQ) treatment.

Project description:Clioquinol (CQ) has been identified as a hypoxic mimicker to activate hypoxia-inducible factor-1α (HIF-1α) by inhibiting HIF-1a specific asparaginyl hypoxylase (Factor inhibiting HIF-1, FIH-1). We previously showed that hypoxia coordinately regulate induction or repression of hypoxia-responsive genes by altering different types of methylations (H3K4me3, H3K9me3, and H3K27me3) at gene level. Here, we investigated CQ-mediated regulation of the three histone methylations and whether CQ had a similar effect on histone methylation and transcription of target genes under hypoxia.

2022-05-25 | GSE176379 | GEO

Multi-dimensional histone modifications for coordinated regulation of gene expression under hypoxia or clioquinol (CQ) treatment [gene expression]

Project description:Clioquinol (CQ) has been identified as a hypoxic mimicker to activate hypoxia-inducible factor-1α (HIF-1α) by inhibiting HIF-1a specific asparaginyl hypoxylase (Factor inhibiting HIF-1, FIH-1). We previously showed that hypoxia coordinately regulate induction or repression of hypoxia-responsive genes by altering different types of methylations (H3K4me3, H3K9me3, and H3K27me3) at gene level. Here, we investigated CQ-mediated regulation of the expression of hypoxia-responsive genes and whether CQ had a similar effect on histone methylation and transcription of target genes under hypoxia.

2022-05-25 | GSE176557 | GEO

Multi-dimensional histone modifications for coordinated regulation of gene expression under hypoxia or clioquinol (CQ) treatment [gene expression]

Project description:Multi-dimensional histone modifications for coordinated regulation of gene expression under hypoxia or clioquinol (CQ) treatment [gene expression]

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Multi-dimensional histone modifications for coordinated regulation of gene expression under hypoxia

Project description:Multi-dimensional histone modifications for coordinated regulation of gene expression under hypoxia

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SH-SY5Y cells: DMSO vs. clioquinol

Project description:Transcriptional profiling of human SH-SY5Y neuroblastoma cells comparing DMSO-treated control cells with those treated with 50 microM clioquinol (CQ) for 24 h. Two-condition experiment, DMSO vs. CQ . Biological replicates: 1DMSO, 1 CQ. One replicate per array.

2012-10-01 | E-GEOD-32173 | biostudies-arrayexpress

SH-SY5Y cells: DMSO vs. clioquinol

Project description:Transcriptional profiling of human SH-SY5Y neuroblastoma cells comparing DMSO-treated control cells with those treated with 50 microM clioquinol (CQ) for 24 h.

2012-10-01 | GSE32173 | GEO

Expression data of Saccharomyces cerevisiae treated with clioquinol

Project description:Clioquinol (CQ or iodochlorhydroxyquin, 5-chloro-7-iodo-8-hydroxyquinoline) is a hydrophobic chelator of copper, zinc, and iron. It was extensively used as an antibiotic for the treatment of diarrhea and skin infection in the mid-1900s, but then withdrawn because it was reported to be associated with subacute myelo-optic neuropathy (SMON) in Japan. Interest in this drug was recently revived as it was shown that CQ specifically kills cancer cells and significantly decreases Abeta level. Nevertheless, the underlying mechanisms of CQ drug effects and side effects are still unclear. We used yeast, Saccharomyces cerevisiae, as a model to study how CQ affects molecular and cellular functions. Genechip analysis was utilized to examine the effect of CQ on gene expression at the genomic level. To study gene expression profiles of yeast treated with CQ, yeast cells were treated with CQ or DMSO for 5 hours and RNAs were extracted for microarray analysis.

2010-06-08 | E-GEOD-17257 | biostudies-arrayexpress

Expression data of Saccharomyces cerevisiae treated with clioquinol

Project description:Clioquinol (CQ or iodochlorhydroxyquin, 5-chloro-7-iodo-8-hydroxyquinoline) is a hydrophobic chelator of copper, zinc, and iron. It was extensively used as an antibiotic for the treatment of diarrhea and skin infection in the mid-1900s, but then withdrawn because it was reported to be associated with subacute myelo-optic neuropathy (SMON) in Japan. Interest in this drug was recently revived as it was shown that CQ specifically kills cancer cells and significantly decreases Aβ level. Nevertheless, the underlying mechanisms of CQ’s drug effects and side effects are still unclear. We used yeast, Saccharomyces cerevisiae, as a model to study how CQ affects molecular and cellular functions. Genechip analysis was utilized to examine the effect of CQ on gene expression at the genomic level.

2010-05-21 | GSE17257 | GEO

Multi-dimensional histone modifications for coordinated regulation of gene expression under hypoxia

Project description:This SuperSeries is composed of the SubSeries listed below.

2017-08-17 | GSE69496 | GEO

Transcription profiling of Plasmodium falciparum after exposing drug-selected mutants to short term CQ treatment

Project description:Mutations in PfCRT confer chloroquine (CQ) resistance in P. falciparum. Point mutations in the homolog of the mammalian multidrug resistance gene (pfmdr1) can also modulate the levels of CQ response. However, parasites with the same pfcrt and pfmdr1 alleles exhibit a wide range of drug sensitivity, suggesting that additional genes contribute to levels of CQ resistance (CQR). We used 3 isogenic lines which have different drug resistance profiles corresponding to unique mutations in the pfcrt gene (106/1K76, 106/176I, and 106/76I-352K) to study changes in gene expression with and without CQ and genomic variations, i.e. copy number (CN) changes. RNA transcription levels from 45 genes were significantly altered in one or both mutants relative to the parent line. Of particular interest are genes encoding proteins involved in transport and/or regulation of cytoplasmic or compartmental pH, e.g. the V-type H+ pumping pyrophosphatase 2, Ca2+/H+ antiporter VCX1 and copy number changes in pfmdr1. A series of deletion (including 15 genes) also occurred at the beginning of chromosome 10. Experiment Overall Design: Three isogenic parasite lines were treated with and without 3h CQ and synchronized for total RNA extraction and hybridization to Affymetrix GeneChipsÂ® to study gene expression profiles. Genomic DNA from mixed culture was also extracted and hybridized to the same Affymetrix GeneChips. Total 18 total RNA samples (3 biological replicates per condition) and 6 genomic DNA samples (2 biological replicates per condition).

2008-11-06 | E-GEOD-10022 | biostudies-arrayexpress

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