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HGNC Genes

SARS-CoV-2 proteins

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    SARS-CoV-2 spike PROTEIN glycoprotein S1 induces neuroinflammation in BV-2 microglia

    Authors: Olumayokun A Olajide; Victoria U Iwuanyanwu; Oyinkansola D Adegbola; Oliver Artz; Daniele Rosado; Tara Skopelitis; Munenori Kitagawa; Ullas V Pedmale; David Jackson

    doi:10.1101/2020.12.29.424619 Date: 2020-12-29 Source: bioRxiv

    The emergence of SARS-CoV-2 has resulted in a global pandemic. In addition to respiratory complications as a result of SARS-CoV-2 illness MESHD, accumulating evidence suggests that neurological and neuropsychiatric symptoms MESHD are associated with the disease caused by the virus. In this study, we investigated the effects of the SARS-CoV-2 spike PROTEIN glycoprotein S1 stimulation on neuroinflammation in BV-2 microglia. Analyses of culture supernatants revealed an increase in the production of TNF HGNC, IL-6 HGNC, IL-1{beta HGNC} and iNOS HGNC/NO. SARS-CoV-2 spike PROTEIN glycoprotein S1 increased protein expressions of phospho-p65 and phospho-I{kappa}B, as well as enhancing DNA binding and transcriptional activity of NF-{kappa}B HGNC. Pro-inflammatory effects of the glycoprotein effects were reduced in the presence of BAY11-7082 (1 M). The presence of SARS-CoV-2 spike PROTEIN glycoprotein S1 in BV-2 microglia increased the protein expression of NLRP3 HGNC, as well as caspase-1 HGNC activity. However, pre-treatment with CRID3 (1 M) or BAY11-7082 (1 M) resulted in the inhibition of NLRP3 HGNC inflammasome/ caspase-1 HGNC. It was also observed that CRID3 attenuated SARS-CoV-2 spike PROTEIN glycoprotein S1-induced increase in IL-1{beta HGNC} production. Increased protein expression of p38 MAPK was observed in BV-2 microglia stimulated with the spike glycoprotein S1 PROTEIN, and was reduced in the presence of SKF 86002. These results have provided the first evidence demonstrating SARS-CoV-2 spike PROTEIN S1 glycoprotein-induced neuroinflammation in BV-2 microglia. We propose that promotion of neuroinflammation by this glycoprotein is mediated through activation of NF-{kappa}B HGNC, NLRP3 HGNC inflammasome and p38 MAPK. These results are significant because of their relevance to our understanding of neurological and neuropsychiatric symptoms MESHD observed in patients infected with SARS-CoV-2.

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MeSH Disease
HGNC Genes
SARS-CoV-2 Proteins


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