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Updated: Jun 5, 2025
A High Resolution Method to Monitor Phosphorylation-dependent Activation of IRF3
Published on: January 24, 2016
Potential protective role of interferon-induced protein with tetratricopeptide repeats 3 (IFIT3) in COVID-19
Mateus V de Castro1, Leonardo M Cariste2,3,4, Rafael R Almeida2,3,4
1Human Genome and Stem Cell Research Center, University of São Paulo, São Paulo, SP, Brazil.
Abstract:
The COVID-19 pandemic has prompted a quest to understand why certain individuals remain uninfected or asymptomatic despite repetitive exposure to SARS-CoV-2. Here, we focused on six exposed females residing with their symptomatic and reinfected SARS-CoV-2 PCR-positive COVID-19 partners. Peripheral blood mononuclear cell samples from couples were analysed for poly (I:C)-induced mRNA expression of type I/III interferons and interferon-stimulated genes (ISGs). Remarkably, we found a significant upregulation of the ISG interferon-inducible protein with tetrapeptide repeats 3 (IFIT3) gene exclusively in exposed uninfected or asymptomatic females, suggesting a potential role in protective immunity against symptomatic COVID-19.
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