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The interferon landscape along the respiratory tract impacts the severity of COVID-19

ABSTRACT: The interferon landscape along the respiratory tract impacts the severity of COVID-19

PROVIDER: PRJNA756941 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR15564929.fastq.gz	Fastqsanger.gz
	SRR15564930.fastq.gz	Fastqsanger.gz
	SRR15564931.fastq.gz	Fastqsanger.gz
	SRR15564932.fastq.gz	Fastqsanger.gz
	SRR15564933.fastq.gz	Fastqsanger.gz

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The interferon landscape along the respiratory tract impacts the severity of COVID-19

Project description:Severe COVID-19 is characterized by overproduction of immune mediators, but the role of interferons (IFNs) of the type I (IFN-I) or type III (IFN-III) families remains debated. We scrutinized the production of IFNs along the respiratory tract of COVID-19 patients and found that high levels of IFN-III, and to a lesser extent IFN-I, characterize the upper airways of patients with high viral burden but reduced disease risk or severity. Production of specific IFN-III, but not IFN-I, members denotes patients with a mild pathology and efficiently drives the transcription of genes that protect against SARS-CoV-2. In contrast, compared to subjects with other infectious or non-infectious lung pathologies, IFNs are over-represented in the lower airways of patients with severe COVID-19 that exhibit gene pathways associated with increased apoptosis and decreased proliferation. Our data demonstrate a dynamic production of IFNs in SARS-CoV-2-infected patients, and show IFNs play opposing roles at distinct anatomical sites.

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