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First exploration of the altered microbial gut-lung axis in the pathogenesis of human refractory chronic cough

ABSTRACT: First exploration of the altered microbial gut-lung axis in the pathogenesis of human refractory chronic cough

PROVIDER: PRJNA1004563 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR25610000_1.fastq.gz	Fastqsanger.gz
	SRR25610000_2.fastq.gz	Fastqsanger.gz
	SRR25610001_1.fastq.gz	Fastqsanger.gz
	SRR25610001_2.fastq.gz	Fastqsanger.gz
	SRR25610002_1.fastq.gz	Fastqsanger.gz

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First exploration of the altered microbial gut-lung axis in the pathogenesis of human refractory chronic cough

Project description:v3-v4 16S rRNA sequencing was used to characterize both gut and oral microbiota composition of RCC (refractory chronic cough) patients and matched healthy controls (HC). The groups are matched in age and gender.

2024-04-17 | GSE240646 | GEO

The Pathogenesis and Genetics of Disseminated or Refractory Coccidioidomycosis

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First Exploration of the Altered Microbial Gut-Lung Axis in the Pathogenesis of Human Refractory Chronic Cough.

Project description:PurposeCough represents a natural mechanism that plays an important defensive role in the respiratory tract, but in some conditions, it may become persistent, nonproductive, and harmful. In general, refractory chronic cough (RCC) occurs in about 20% of individuals; hence, we aimed to assess the presence of altered gut-lung communication in RCC patients through a compositional and functional characterization of both gut (GM) and oral microbiota (OM).Methods16S rRNA sequencing was used to characterize both GM and OM composition of RCC patients and healthy controls (HC). PICRUST2 assessed functional changes in microbial communities while gas chromatography was used to evaluate fecal short-chain fatty acid levels and serum-free fatty acid (FFA) abundances.ResultsIn comparison with HC, RCC patients reported increased saliva alpha-diversity and statistically significant beta-diversity in both GM and OM. Also, a, respectively, significant increased or reduced Firmicutes/Bacteroidota ratio in stool and saliva samples of RCC patients has been shown, in addition to a modification of the abundances of several taxa in both GM and OM. Moreover, a potential fecal over-expression of lipopolysaccharide biosynthesis and lipoic acid metabolism pathways and several differences in serum FFA levels have been reported in RCC patients than in HC.ConclusionSince differences in both GM and OM of RCC patients have been documented, these findings could provide new information about RCC pathogenesis and also pave the way for the development of novel nutritional or pharmacological interventions for the management of RCC through the restoration of eubiotic gut-lung communication.

| S-EPMC11009740 | biostudies-literature

Refractory Cancer (RC) Program

Project description:Refractory Cancer (RC) Program

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Refractory Cancer (RC) Program

Project description:Refractory Cancer (RC) Program

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Altered Expression Profiles of tRNA-derived fragments in relapsed/refractory multiple myeloma

Project description:tRNA related fragments(tRF) and tRNA halves(tiRNA) are novel class of short non-coding RNA derived from tRNAs. Using RNA sequencing, we evaluated the tRFs/tiRNAs expression profiles in relapsed/refractory multiple myeloma and multiple myeloma patients. Bioinformatics analyses indicated that tRFs/tiRNAs may be involved in the progression and drug-resistance of multiple myeloma.

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Proteomic analysis of radioiodine-refractory differentiated thyroid cancer

Project description:Radioiodine refractory differentiated thyroid cancer (RR-DTC) is the main factor affecting the overall survival rate of thyroid cancer clinically. In order to investigate its underlying molecular mechanism of pathogenesis with the hope to explore novel therapeutic targets for clinical treatment, we performed a comparative proteomic analysis in tumor tissue of patients with RR-DTC and papillary thyroid cancer.

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Mucosal expression profiling in patients with inflammatory bowel disease before and after first infliximab treatment

Project description:We used microarrays to identify mucosal gene signatures predictive of response to infliximab (IFX) in patients with inflammatory bowel disease (IBD) and to gain more insight into the pathogenesis of IBD. Keywords: drug response and treatment effect Mucosal biopsies were obtained at endoscopy in actively inflamed mucosa from 61 IBD patients (24 ulcerative colitis (UC), 19 Crohnâs colitis (CDc) and 18 Crohnâs ileitis (CDi)), refractory to corticosteroids and/or immunosuppression, before and 4-6 weeks after (except for 1 CDc patient) their first infliximab infusion and in normal mucosa from 12 control patients (6 colon and 6 ileum). The patients were classified for response to infliximab based on endoscopic and histologic findings at 4-6 weeks after first infliximab treatment. Total RNA was isolated from intestinal mucosal biopsies, labelled and hybridized to Affymetrix Human Genome U133 Plus 2.0 Arrays.

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