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7-Hydroxycoumarin attenuates colistin-induced kidney injury in mice through the inhibition of HDAC1 and the activation of Nrf2 signaling

ABSTRACT: 7-Hydroxycoumarin attenuates colistin-induced kidney injury in mice through the inhibition of HDAC1 and the activation of Nrf2 signaling

PROVIDER: PRJNA632626 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR11786900.fastq.gz	Fastqsanger.gz
	SRR11786901.fastq.gz	Fastqsanger.gz
	SRR11786902.fastq.gz	Fastqsanger.gz
	SRR11786903.fastq.gz	Fastqsanger.gz
	SRR11786904.fastq.gz	Fastqsanger.gz

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7-Hydroxycoumarin attenuates colistin-induced kidney injury in mice through the inhibition of HDAC1 and the activation of Nrf2 signaling

Project description:RNA sequencing of kidney tissues was performed to investigate the mechanism of 7-Hydroxycoumarin attenuates colistin-induced kidney injury in mice

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Differential gene expression in mouse kidney following 72 hours of colistin exposure by Illumina WG-6_V2 array

2013-11-05 | GSE46410 | GEO

Differential gene expression in mouse kidney following 72 hours of colistin exposure by Illumina WG-6_V2 array

Project description:Colistin sulfate (polymixin E) is an antibiotic prescribed with resurging frequency for multidrug resistant gram negative bacterial infections. It is associated with nephrotoxicity in humans in up to 33% of cases. Little is known regarding genes involved in colistin nephrotoxicity. A murine model of colistin-mediated kidney injury was developed. C57/BL6 mice were administered saline or colistin at a dose of 16mg/kg/day in 2 divided doses. An Illumina gene expression array was performed on kidney RNA harvested 72 hours after first colistin dose to identify differentially expressed genes early in drug treatment. Array platform was MouseWG-6, 48,000 probes. Drug given intraperitoneal. Total RNA was isolated from mouse kidneys which were harvested upon sacrifice. 12 total 10 week old C57 bl6 mice were analyzed. Six mice were administered 0.1% saline twice daily, six mice were given colistin at 16 mg/kg/day in 2 divided doses. The 2 groups were randomized to 2 different MouseWG-6_V2_0_R2_11278593 and groups were compared.

2013-11-05 | E-GEOD-46410 | biostudies-arrayexpress

Colistin resistant A. baumannii: genomic and transcriptomic traits acquired under colistin therapy

Project description:Comparative Genomic and Transcriptomic Characterization of Colistin-Resistant Acinetobacter baumannii

2019-01-23 | GSE109951 | GEO

Aminocandin versus Aminocandin plus Colistin

Project description:We found that the antibiotic colistin acts synergistically with antifungals of the echinocandin class (e.g. aminocandin) on C. albicans cells. In order to elucidate the mode of action of colistin in fungi we performed microarray analysis of samples treated with only aminocandin (0.00125µg/ml) or treated with aminocandin (0.00125µg/ml) and colistin (5µg/ml). We compared: (A). untreated cells to cells treated with aminocandin only; (B). cells treated with aminocandin to cells treated with aminocandin and colistin (which is the focus of this experiment). By comparing those datasets it should be possible to identify genes differentially expressed in response to aminocandin and in response to both drugs. And subsequently to be able to interpret where in the cell colistin acts. (See related experiment in ArrayExpress: E-MEXP-3437 for comparison between untreated cells vs cells treated with aminocandin only.)

2012-03-03 | E-MEXP-3438 | biostudies-arrayexpress

Expression data from the kidney of Sprague-Dawley rats given colistin methanesulfonate sodium

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Transcriptomic analysis of paired patient isolates of Acinetobacter baumannii following failed colistin treatment

Project description:Colistin is a crucial last-line drug used for the treatment of life-threatening infections caused by multi-drug resistant strains of the Gram-negative bacteria, Acinetobacter baumannii. However, colistin resistant A. baumannii isolates can be isolated following failed colistin therapy. Resistance is most often mediated by the addition of phosphoethanolamine (pEtN) to lipid A by PmrC, following missense mutations in the pmrCAB operon encoding PmrC and the two-component signal transduction system PmrA/PmrB. We recovered an isogenic pair of A. baumannii isolates from a single patient before (6009-1) and after (6009-2) failed colistin treatment that displayed low/intermediate and high levels of colistin resistance, respectively. To understand how increased colistin-resistance arose, we genome sequenced each isolate which revealed that 6009-2 had an extra copy of the insertion sequence element ISAba125 within a gene encoding an H-NS-family transcriptional regulator. Consequently, transcriptomic analysis of the clinical isolates identified was performed and more than 150 genes as differentially expressed in the colistin-resistant, hns mutant, 6009-2. Importantly, the expression of eptA, encoding a second lipid A-specific pEtN transferase, but not pmrC, was significantly increased in the hns mutant. This is the first time an H-NS-family transcriptional regulator has been associated with a pEtN transferase and colistin resistance.

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Project description:Here we investigated colistin effects on A. baumannii, employing a Mass spectrometry approach and comparing a colistin-susceptible multidrug-resistantclinical isolate to its colistin-dependent subpopulation obtained by subsequent passages in moderate colistin concentrations. Colistin dependence might represent a stepping-stone to resistance, but the mechanisms of colistin dependence are far from clear.

2021-01-12 | PXD020218 | Pride

Nrf2 transcript alterations

Project description:WGS and RNA-seq data for Nrf2 study

| EGAS00001001740 | EGA