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Interferon Kappa Is Important for Keratinocyte Host Defense against Herpes Simplex Virus-1.
In this study, we found that IFNκ mRNA expression was induced by addition of recombinant IFNκ and poly (I:C); and its expression level was significantly greater than IFNa2, IFNb1, and IFNL1 in both undifferentiated and differentiated normal human epidermal keratinocytes (NHEKs) under resting and stimulation conditions. Although IFNe was expressed at a relatively higher level than other IFNs in resting undifferentiated NHEK, its expression level did not change after stimulation with recombinant IFNκ and poly (I:C). HSV-1 infection inhibited gene expression of IFNκ and IFNe in NHEK. Silencing IFNκ in NHEK led to signifi...
Source: Journal of Immunology Research - May 2, 2020 Category: Allergy & Immunology Tags: J Immunol Res Source Type: research

SOCS and Herpesviruses, With Emphasis on Cytomegalovirus Retinitis
Christine I. Alston1,2 and Richard D. Dix1,2* 1Department of Biology, Viral Immunology Center, Georgia State University, Atlanta, GA, United States 2Department of Ophthalmology, Emory University School of Medicine, Atlanta, GA, United States Suppressor of cytokine signaling (SOCS) proteins provide selective negative feedback to prevent pathogeneses caused by overstimulation of the immune system. Of the eight known SOCS proteins, SOCS1 and SOCS3 are the best studied, and systemic deletion of either gene causes early lethality in mice. Many viruses, including herpesviruses such as herpes simplex virus and cytomega...
Source: Frontiers in Immunology - April 10, 2019 Category: Allergy & Immunology Source Type: research

Innate responses to small interfering RNA pools inhibiting herpes simplex virus infection in astrocytoid and epithelial cells.
Abstract Herpes simplex virus (HSV) is a human pathogen that can cause severe diseases such as encephalitis, keratitis and neonatal herpes. Control of HSV infection may be achieved by using small interfering (si)RNAs. We have designed and enzymatically produced pools of siRNAs targeting HSV. In addition to the target-specific effects, such siRNAs may induce innate immunity responses that may contribute to antiviral effects. HSV has versatile ways of modulating innate immunity, and it remains unclear whether HSV-specific antiviral treatment would benefit from the potential immunostimulatory effects of siRNAs. To ad...
Source: Innate Immunity - July 3, 2014 Category: Allergy & Immunology Authors: Paavilainen H, Romanovskaya A, Nygårdas M, Bamford DH, Poranen MM, Hukkanen V Tags: Innate Immun Source Type: research

Herpesviruses and the microbiome
The focus of this article will be to examine the role of common herpesviruses as a component of the microbiome of atopic patients and to review clinical observations suggesting that atopic patients might be predisposed to more severe and atypical herpes-related illness because their immune response is biased toward a TH2 cytokine profile. Human populations are infected with 8 herpesviruses, including herpes simplex virus HSV1 and HSV2 (also termed HHV1 and HHV2), varicella zoster virus (VZV or HHV3), EBV (HHV4), cytomegalovirus (HHV5), HHV6, HHV7, and Kaposi sarcoma–associated herpesvirus (termed KSV or HHV8). Herpesviru...
Source: Journal of Allergy and Clinical Immunology - April 22, 2013 Category: Allergy & Immunology Authors: David H. Dreyfus Tags: Rostrum Source Type: research