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Sputum exosomal microRNAs profiling reveals critical pathways modulated by Pseudomonas aeruginosa colonization in bronchiectasis

ABSTRACT: Sputum exosomal microRNAs profiling reveals critical pathways modulated by Pseudomonas aeruginosa colonization in bronchiectasis

PROVIDER: PRJNA577449 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR10274300.fastq.gz	Fastqsanger.gz
	SRR10274301.fastq.gz	Fastqsanger.gz
	SRR10274302.fastq.gz	Fastqsanger.gz
	SRR10274303.fastq.gz	Fastqsanger.gz
	SRR10274304.fastq.gz	Fastqsanger.gz

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Project description:This GDMCC protocol will study adult patients with non-CF, idiopathic bronchiectasis, whose genetic etiologies are not known. Idiopathic bronchiectasis is reportedly more common in females with certain tall, thin body types and associated with environmental organisms, such as nontuberculous mycobacterium (NTM). The other susceptibility factors predisposing to bronchiectasis or acquisition of NTM are unclear. The study will attempt to broaden the understanding of this disease by comparing gender-associated factors and NTM status. A relatively equal number of both females/males and NTM/non-NTM infected subjects will be enrolled. Approximately 300 people may be screened to find 260 eligible subjects, since a small number (e.g., 40 patients) may be diagnosed with PCD, vCF, or other known etiology as an explanation for the bronchiectasis. This single-visit protocol will use a systematic approach to characterize the physical features, radiographic patterns, and associated lower airway microbial flora. There is no natural history of disease course follow-up component to this protocol. Participants will have one outpatient clinic visit for evaluation with a physical examination including detailed body size measurements, medical history, collection of blood samples for routine lab tests and genetic analyses, and a chest X-ray if no recent one is available. Participants will also have tests of lung function, and measurement of a gas called nitric oxide in the nose. Participants whose initial tests show abnormal results may also be asked to have a nasal scrape to collect cell samples and/or a skin sweat test to measure salt concentrations. Participants will also have a sputum specimen collected during the visit and will be asked to collect two additional early morning sputum samples and a mouth rinse at home within 2 weeks of the clinic visit, and mail the sample collection materials to the research team. Careful evaluation and characterization of the physical and clinical characteristics will guide the genetic characterization of idiopathic bronchiectasis, and likely lead to an improved diagnostic approach. Identification of disease causing genes may provide new therapeutic targets.

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Sputum exosomal microRNAs profiling reveals critical pathways modulated by Pseudomonas aeruginosa colonization in bronchiectasis

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