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HGNC Genes

SARS-CoV-2 proteins

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    Exosomes from COVID-19 MESHD patients carry tenascin-C HGNC and fibrinogen-β in triggering inflammatory signals in distant organ cells

    Authors: Subhayan Sur; Mousumi B. Khatun; Robert Steele; Scott Isbell; Ranjit Ray; Ratna B Ray

    doi:10.1101/2021.02.08.430369 Date: 2021-02-09 Source: bioRxiv

    SARS-CoV-2 infection MESHD causes cytokine storm and overshoot immunity in humans; however, it remains to be determined whether genetic material of SARS-CoV-2 and/or virus induced soluble mediators from lung epithelial cells as natural host are carried out by macrophages or other vehicles at distant organs causing tissue damage. We speculated that exosomes as extracellular vesicles are secreted from SARS-CoV-2 infected MESHD cells may transport messages to other cells of distant organs leading to pathogenic consequences. For this, we took an unbiased proteomic approach for analyses of exosomes isolated from plasma of healthy volunteers and SARS-CoV-2 infected MESHD patients. Our results revealed that tenascin-C HGNC ( TNC HGNC) and fibrinogen-{beta} ( FGB HGNC) are highly abundant in exosomes from SARS-CoV-2 infected MESHD patient's plasma as compared to that of healthy normal controls. Since TNC HGNC and FGB HGNC stimulate pro-inflammatory cytokines via NF-kB pathway, we examined the status of TNF-a HGNC, IL-6 HGNC and CCL5 HGNC expression upon exposure of hepatocytes to exosomes from COVID-19 MESHD patients and observed significant increase when compared with that from healthy subjects. Together, our results demonstrated that soluble mediators, like TNC HGNC and FGB HGNC, are transported through plasma exosomes in SARS-CoV-2 infected MESHD patients and trigger pro-inflammatory cytokine expression in cells of distant organs in COVID-19 MESHD patients.

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MeSH Disease
HGNC Genes
SARS-CoV-2 Proteins


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