Type I interferons play a fundamental role in innate host defense against viral infections by eliciting the induction of an antiviral gene program that serves to inhibit viral replication. Activation of type I interferon is regulated by the IRF3 transcription factor. which undergoes phosphorylation-dependent activation by the upstream kinase. TBK1. https://parisnaturalfoodes.shop/product-category/org-pistachio-butter/