Evidence for induction of interferon-α and interferon-β in retinal glial cells of Muller

Kristen M. Drescher, Judith A. Whittum-Hudson

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Studies were performed to determine if retinal glial cella of Muller transcribe the genes for interferon-α (IFNα) or IFNβ upon exposure to virus. Responses to herpes simplex virus type 1 (HSV-1) were tested with cultured murine Muller cells and, in vivo, with retinas obtained after bilateral injection of either HSV-1 or buffer into the anterior chamber of the eyes of BALB/c mice. Induction of IFN transcription and relative temporal changes in transcript levels occurred over time after either in vitro or in vive exposure to HSV-1. Transcription of both IFN genes was induced in cultured gila within 1 hr after exposure to virus. IFN transcripts were detected in retinas by 24 hr postinfection and these were maximal at 3 days. By in situ hybridization (ISH), IFNα2 mRNA localized to focal areas in the intact retinas of virus-injected eyes and was consistent with our previous report of a transient, focal appearance of viral antigens in those retinas. Uninfected cells and Ocular tissues were negative for IFN transcripts. Combined ISH and immunohistochemistry on retinal impression smears confirmed that glial fibrillary acidic protein-positive Muller cells are an intraretinal source of IFNα and IFNβ transcripts after ocular exposure to HSV-1. Our results support a role for Muller cells as participants in intraretinal antiviral or immunomodulatory responses via type 1 IFN production and may have implications for future therapeutic interventions.

Original languageEnglish
Pages (from-to)309-316
Number of pages8
JournalVirology
Volume234
Issue number2
DOIs
StatePublished - Aug 4 1997
Externally publishedYes

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Ependymoglial Cells
Neuroglia
Interferons
Human Herpesvirus 1
Retina
Viruses
In Situ Hybridization
Interferon Type I
Viral Antigens
Glial Fibrillary Acidic Protein
Anterior Chamber
Genes
Antiviral Agents
Buffers
Immunohistochemistry
Messenger RNA
Injections

All Science Journal Classification (ASJC) codes

  • Virology
  • Infectious Diseases

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Evidence for induction of interferon-α and interferon-β in retinal glial cells of Muller. / Drescher, Kristen M.; Whittum-Hudson, Judith A.

In: Virology, Vol. 234, No. 2, 04.08.1997, p. 309-316.

Research output: Contribution to journalArticle

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