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Hydrogen sulfide preserves intestinal barrier repair function through sulfhydration of RPS20 in experimental colitis

ABSTRACT: Hydrogen sulfide preserves intestinal barrier repair function through sulfhydration of RPS20 in experimental colitis

PROVIDER: PRJNA1158786 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR30603488_1.fastq.gz	Fastqsanger.gz
	SRR30603488_2.fastq.gz	Fastqsanger.gz
	SRR30603489_1.fastq.gz	Fastqsanger.gz
	SRR30603489_2.fastq.gz	Fastqsanger.gz
	SRR30603490_1.fastq.gz	Fastqsanger.gz

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Hydrogen sulfide preserves intestinal barrier repair function through sulfhydration of RPS20 in experimental colitis

Project description:Patients with ulcerative colitis (UC) have a significantly impaired intestinal barrier. Hydrogen Sulfide (H2S) is a gaseous mediator that makes notable contributions in a variety of diseases, such as reducing inflammatory response in colitis. The experimental content includes the establishment of a mouse DSS-induced colitis model, mouse colon epithelial organoids culture, H&E staining and mass spectrometry analysis. We recognized that exogenous H2S donor-GYY4137 significantly alleviated the symptoms in UC mice models and maintained Minichromosome Maintenance Complex Component 2 (MCM2) expression. CBS knockdown reduced the expression of sulfhydrated Ribosomal protein S20 (RPS20-ssh) and MCM2 in the mouse colon. Cell experiments indicated that the expression of RPS20-ssh, rather than total expression of RPS20, is responsible.

2025-03-21 | GSE276745 | GEO

relationship between the level of plasma hydrogen sulfide in the patients with colorectal cancer

Project description:Interventions: Case series:nill;The control group:nill Primary outcome(s): Hydrogen sulfide;Pathological diagnosis Study Design: Case-Control study

| 2671665 | ecrin-mdr-crc

Transcriptomic study of hydrogen sulfide toxicity in Methylococcus capsulatus

Project description:Stress response of Methylococcus capsulatus str.Bath toward hydrogen sulfide (H2S) was investigated via physiological study and transcriptomic profiling. M. capsulatus (Bath) can grow and tolerate up to 0.75%vol H2S in headspace. Vast change in pH suggests biological relevant sulfide oxidation. Dozens of H2S-sensitive genes were identified from comparison of cell transcriptome in different H2S concentrations. Mc sulfide quinone reductase (SQR) and persulfide dioxygenase were found to be active during sulfide detoxification. Moreover, xoxF, a novel lanthanide(Ln)-dependent methanol dehydrogenase (MDH) was overexpressed in H2S while mxaF, a calcium-dependent MDH, was down-regulated, and such MDH switch phenomenon is also well known to be induced by addition of lanthanide via an as-yet-unknown mechanism. Activities in quorum sensing and RND efflux pump also suggest their role in sulfide detoxification, and might provide insight on the xoxF/mxaF switch mechanism.

2021-12-24 | GSE192351 | GEO

Hydrogen sulfide stimulates Mycobacterium tuberculosis respiration and growth to exacerbate TB disease

Project description:The aim of this experiment was to determine how exposure of Hydrogen sulfide impacts gene expression in Mycobacterium tuberculosis. RNA was isolated from actively growing mycobacterial cells (0.6-0.8 OD600) using Trizol according to established protocols (27). Briefly, cells were exposed to 25 µM GYY4137 for 1 hr under carefully controlled conditions (n=3/group) and RNA isolated. Unexposed cells received spent GYY4137 (without any capacity to produce Hydrogen sulfide).

2020-01-04 | E-MTAB-7421 | biostudies-arrayexpress

The Global Transcriptional Response of Fission Yeast to Hydrogen Sulfide

Project description:Hydrogen sulfide (H2S) as an important gasotransmitter has fundamental roles in human diseases. The cellular effect of H2S has received lots of attention recently. H2S can affect ion channels, transcription factors and kinase in mammals. The mechanism of cellular effect of H2S is not completely understood. We used fission yeast as a model organism to study the global transcriptional profile in response to H2S by microarray.

2012-06-15 | GSE30025 | GEO

Hydrogen sulfide (H2S) modulates lifespan of C.elegans

Project description:Hydrogen sulfide (H2S) is formed naturally from L-cysteine in a variety of mammalian and non-mammalian cells. To date, numerous biological effects have been ascribed to H2S including control of cardiovascular, immune and nervous function. Over or under production of H2S has been observed in several disease states including hypertension and inflammation. In addition, it has been stipulated that H2S may affect the ageing process. The model nematode Caenorhabditis elegans is ideally suited for assessing drug effects on lifespan since it is relatively short-lived, can be easily exposed to drugs and its genome is fully sequenced and widely annotated.

2013-07-30 | GSE16975 | GEO

Hydrogen sulfide, a novel small molecule signalling agent, participates in GAs biosynthesis under heat stress and the regulation of multiple signaling pathway genes in Ganoderma lucidum

Project description:As one of the most important environmental factors, heat stress (HS) has been found to affect various biological activities of organisms such as growth, signal transmission, primary metabolism and secondary metabolism. Ganoderma lucidum has become a potential model system for evaluating how environmental factors regulate the secondary metabolism of basidiomycetes. Previous research showed that HS can induce the biosynthesis of ganoderic acids (GAs). In this study, we found the existence of hydrogen sulfide in Ganoderma lucidum; moreover, HS increased GAs biosynthesis and could affect the hydrogen sulfide content. We found that sodium hydrosulfide (NaHS), an exogenous donor of hydrogen sulfide, could revert the increased GAs biosynthesis elicited by HS. This result indicated that an increased content of hydrogen sulfide, within limits, was associated with HS-induced GAs biosynthesis. Our results further showed that the GAs content was increased in CBS-silenced strains and could be reverted to WT strain levels by the addition of NaHS. Transcriptomic analyses indicated that that H2S can affect various intracellular signal pathways and physiological processes in G. lucidum. Further studies showed that H2S could affect the intracellular calcium concentration and thus regulate the biosynthesis of GAs. This study demonstrated that hydrogen sulfide is involved in the regulation of secondary metabolic processes induced by heat stress in filamentous fungi.

2021-10-12 | GSE121270 | GEO

Hydrogen sulfide (H2S) modulates lifespan of C.elegans

2013-07-30 | E-GEOD-16975 | biostudies-arrayexpress

Global gene profiling comparison between hydrogen sulfide- and N-methyl-D-aspartate-induced neuronal deaths

Project description:Hydrogen sulfide (H2S), present in abundance in the mammalian brain, has recently been demonstrated to induce a dose- and time-dependent apoptotic-necrotic continuum in murine primary cortical neurons, which was successfully attenuated upon application of N-methyl-D-aspartate (NMDA) receptor antagonist. The current study focused on gaining an insight into the molecular mechanisms of H2S–mediated neuronal death pertaining to NMDA receptors activation through global gene expression comparisons.

2013-01-23 | GSE16035 | GEO

Transcriptomic study of hydrogen sulfide toxicity in Methylococcus capsulatus

Project description:Transcriptomic study of hydrogen sulfide toxicity in Methylococcus capsulatus

| PRJNA791232 | ENA