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Endogenous itaconate is not required for particulate matter-induced NRF2 expression or inflammatory response

ABSTRACT: Endogenous itaconate is not required for particulate matter-induced NRF2 expression or inflammatory response

PROVIDER: PRJNA601971 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR10908740.fastq.gz	Fastqsanger.gz
	SRR10908741.fastq.gz	Fastqsanger.gz
	SRR10908742.fastq.gz	Fastqsanger.gz
	SRR10908743.fastq.gz	Fastqsanger.gz
	SRR10908744.fastq.gz	Fastqsanger.gz

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Endogenous itaconate is not required for particulate matter-induced NRF2 expression or inflammatory response

Project description:RNA-sequencing demonstrated Acod1 (Aconitate decarboxylase 1) as one of the top genes induced by air polution particulate matter (PM) in macrophages. We therefore sought to determine the effect of both exogenous itaconate (4-octyl itaconate) and endogenous itaconate on PM-induced inflammation in macrophages through RNA sequencing.

2020-04-07 | GSE143881 | GEO

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Laurel (Laurus nobilis L.) transcriptomic response to urban particulate matter

Project description:This study aimed to shed light on the gene regulatory networks underlying plant leaf responses to air particulate matter. Our investigation focused on autochthonous shrubs of laurel (Laurus nobilis L.) grown in pots located in two contrasting areas: a highly polluted traffic road and rural countryside within the same town (Altopascio, Lucca, Italy). RNA-seq data were related to leaf morphological traits and air particulate matter, allowing to identify key players in modulating the capabilities of plants to phyllo-remediate high air particulate matter levels in urban environment.

2023-03-16 | E-MTAB-12332 | biostudies-arrayexpress

Transcriptomic profile of blood cells exposed to particulate matter

Project description:Here we used next generation sequencing (NGS), to determine the transcriptional profile of blood cells exposed to particulate matter to contribute to the clarification of the importance of deregulated molecules in the molecular pathways involved in the inflammation. For this, blood cells from six adult healthy donors were treated with particulate matter.

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Project description:This study aimed to shed light on the gene regulatory networks underlying plant leaf responses to air particulate matter. Our investigation focused on shrubs of Photinia x fraseri grown in pots located in two contrasting areas: a highly polluted traffic road and rural countryside within the same town (Altopascio, Lucca, Italy). RNA-seq data were related to leaf morphological traitsand air particulate matter, allowing to identify key players in modulating the capabilities of plants to phyllo-remediate high air particulate matter levels in urban environment.

2023-03-23 | E-MTAB-12477 | biostudies-arrayexpress

Endogenous itaconate is not required for particulate matter-induced NRF2 expression or inflammatory response.

Project description:Particulate matter (PM) air pollution causes cardiopulmonary mortality via macrophage-driven lung inflammation; however, the mechanisms are incompletely understood. RNA-sequencing demonstrated Acod1 (Aconitate decarboxylase 1) as one of the top genes induced by PM in macrophages. Acod1 encodes a mitochondrial enzyme that produces itaconate, which has been shown to exert anti-inflammatory effects via NRF2 after LPS. Here, we demonstrate that PM induces Acod1 and itaconate, which reduced mitochondrial respiration via complex II inhibition. Using Acod1-/- mice, we found that Acod1/endogenous itaconate does not affect PM-induced inflammation or NRF2 activation in macrophages in vitro or in vivo. In contrast, exogenous cell permeable itaconate, 4-octyl itaconate (OI) attenuated PM-induced inflammation in macrophages. OI was sufficient to activate NRF2 in macrophages; however, NRF2 was not required for the anti-inflammatory effects of OI. We conclude that the effects of itaconate production on inflammation are stimulus-dependent, and that there are important differences between endogenous and exogenously-applied itaconate.

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tendon mRNA seq after particulate matter inhalation

2022-08-03 | GSE200463 | GEO

Tendon methylation microarray after particulate matter inhalation

Project description:Open tenotomy of the Achilles tendon of 6 rats was performed. The animals were divided into two groups according to exposure of PM2.5 (particulate matter less than 2.5 µm): control group (Non-PM group) or PM exposure group (PM group). After 6 weeks of PM exposure, the tendon DNA was extracted and anlyzed. Genome-wide DNA methylation profiles were determinen. DNA amplicons were prepared using Differential Methylation Hybridization (DMH) method, subsequently hybridized on to the Customized Agilent Rat CpG island Microarray. The goal was to unravel the DNA methylation patterns in different subgropus of tendon tissue according to partciulate matter exposure.

2022-08-03 | GSE200709 | GEO

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