CFTR Inhibitors Display Antiviral Activity against Herpes Simplex Virus.

Publisher: MDPI Country of Publication: Switzerland NLM ID: 101509722 Publication Model: Electronic Cited Medium: Internet ISSN: 1999-4915 (Electronic) Linking ISSN: 19994915 NLM ISO Abbreviation: Viruses Subsets: MEDLINE

Original Publication: Basel, Switzerland : MDPI

Antiviral Agents*/pharmacology ; Cystic Fibrosis Transmembrane Conductance Regulator*/metabolism ; Cystic Fibrosis Transmembrane Conductance Regulator*/antagonists & inhibitors ; Herpes Simplex*/drug therapy ; Herpes Simplex*/virology ; Herpesvirus 1, Human*/drug effects ; Herpesvirus 1, Human*/physiology ; Virus Replication*/drug effects ; Herpesvirus 2, Human*/drug effects ; Herpesvirus 2, Human*/physiology; Animals ; Mice ; Humans ; Female ; Cell Line ; Epithelial Cells/virology ; Epithelial Cells/drug effects ; Epithelial Cells/metabolism ; HaCaT Cells ; Keratinocytes/virology ; Keratinocytes/drug effects ; Mice, Inbred BALB C ; Chlorocebus aethiops ; Simplexvirus/drug effects ; Simplexvirus/physiology

The cystic fibrosis transmembrane conductance regulator (CFTR), a cAMP-dependent Cl ^- channel, is closely associated with multiple pathogen infections, such as SARS-CoV-2. However, whether the function of the CFTR is involved in herpes simplex virus (HSV) infection has not been reported. To evaluate the association of CFTR activity with HSV infection, the antiviral effect of CFTR inhibitors in epithelial cells and HSV-infected mice was tested in this study. The data showed that treatment with CFTR inhibitors in different concentrations, Glyh-101 (5-20 μM), CFTRi-172 (5-20 μM) and IOWH-032 (5-20 μM), or the gene silence of the CFTR could suppress herpes simplex virus 1 (HSV-1) and herpes simplex virus 2 (HSV-2) replication in human HaCaT keratinocytes cells, and that a CFTR inhibitor, Glyh-101 (10-20 μM), protected mice from HSV-1 and HSV-2 infection. Intracellular Cl ^- concentration ([Cl ^- ] i ) was decreased after HSV infection via the activation of adenylyl cyclase (AC)-cAMP signaling pathways. CFTR inhibitors (20 μM) increased the reduced [Cl ^- ] i caused by HSV infection in host epithelial cells. Additionally, CFTR inhibitors reduced the activity and phosphorylation of SGK1 in infected cells and tissues (from the eye and vagina). Our study found that CFTR inhibitors can effectively suppress HSV-1 and HSV-2 infection, revealing a previously unknown role of CFTR inhibitors in HSV infection and suggesting new perspectives on the mechanisms governing HSV infection in host epithelial cells, as well as leading to potential novel treatments.

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Keywords: CFTRi-172; Glyh-101; IOWH-032; cystic fibrosis transmembrane conductance regulator (CFTR); herpes simplex virus (HSV)

0 (Antiviral Agents)
126880-72-6 (Cystic Fibrosis Transmembrane Conductance Regulator)

Date Created: 20240829 Date Completed: 20240829 Latest Revision: 20240906

20240906

PMC11360776

10.3390/v16081308

39205282