Production of Interferon Gamma in Respiratory Syncytial Virus Infection of Humans Is Not Associated with Interleukins 12 and 18

Roberto Garofalo, Karen H. Hintz, Vanessa Hill, Pearay L. Ogra, Robert C. Welliver

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

In order to understand early events in the immune response to respiratory syncytial virus (RSV) infection, we studied the presence of various chemokines and cytokines in respiratory secretions of human infants with RSV infection. Interferon gamma (IFNγ) was present in 30/39 (76.9%) subjects tested, but the IFNγ-inducing cytokines interleukin (IL)12 and IL18 were detectable in 6/40 (15%) and 11/38 (28.9%) subjects, respectively. Quantities of IL12 and IL18 did not correlate with those of IFNγ. IL18, but neither IFNγ nor IL12 was found in significantly greater concentrations in subjects with mild, nonhypoxic forms of bronchiolitis than in those with upper respiratory illness alone or hypoxic bronchiolitis. The findings suggest that IFNγ may be induced independently of the activities of IL12 and IL18 during RSV infection. Immune responses characterized by relatively greater release of IL18 may be associated with milder forms of bronchiolitis.

Original languageEnglish (US)
Pages (from-to)289-294
Number of pages6
JournalJournal of Medical Virology
Volume73
Issue number2
DOIs
StatePublished - Jun 2004

Fingerprint

Respiratory Syncytial Virus Infections
Interleukin-18
Interleukin-12
Interferon-gamma
Bronchiolitis
Cytokines
Chemokines

Keywords

  • Bronchiolitis
  • Cytokines
  • Interleukin 12
  • Interleukin 18
  • Plethysmography
  • Respiratory syncytial virus

ASJC Scopus subject areas

  • Virology

Cite this

Production of Interferon Gamma in Respiratory Syncytial Virus Infection of Humans Is Not Associated with Interleukins 12 and 18. / Garofalo, Roberto; Hintz, Karen H.; Hill, Vanessa; Ogra, Pearay L.; Welliver, Robert C.

In: Journal of Medical Virology, Vol. 73, No. 2, 06.2004, p. 289-294.

Research output: Contribution to journalArticle

Garofalo, Roberto ; Hintz, Karen H. ; Hill, Vanessa ; Ogra, Pearay L. ; Welliver, Robert C. / Production of Interferon Gamma in Respiratory Syncytial Virus Infection of Humans Is Not Associated with Interleukins 12 and 18. In: Journal of Medical Virology. 2004 ; Vol. 73, No. 2. pp. 289-294.
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