In Vitro Effects of Immunosuppressive Agents on Cytokine Production by HTLV-I-Infected T Cell Clones Derived from the Ocular Fluid of Patients with HTLV-I Uveitis

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The present study was designed to investigate the <i>in vitro</i> effects of potential therapeutic agents on cytokine production by five HTVL-I-infected T cell clones (TCC) established from the ocular fluid of patients with HTLV-I uveitis. Each of the five HTLV-I-infected TCC was cultured at 1×10<sup>6</sup> cells/ml with or without an immunosuppressive agent (hydrocortisone, FK506, rapamycin, indomethacin, or prostaglandin E<sub>2</sub>) for 22hr in humidified 5% CO<sub>2</sub> in air at 37C. The production of various cytokines in the culture supernatant from each TCC was measured by ELISA. The HTLV-I-infected TCC produced high amounts of IL-1α, IL-3, IL-6, IL-8, TNF-α, IFN-γ, and GM-CSF, and low but significant levels of IL-2 and IL-10 without any stimuli. Hydrocortisone severely depressed the production by these TCC of all the cytokines except for IL-2, which was slightly increased. Prostaglandin E<sub>2</sub> depressed the production of IL-1α, while it up-regulated the production of IL-6, TNF-α, and IFN-γ. Rapamycin depressed the production of IL-6 and TNF-α, and FK506 depressed the production of TNF-α. Hydrocortisone also severely depressed the cytokine production by PHA-stimulated peripheral blood mononuclear cells obtained from healthy volunteers. Of the immunosuppressive agents tested, hydrocortisone exhibited the strongest suppression of cytokine production by HTLV-I-infected TCC. This result was in agreement with the <i>in vivo</i> effects of hydrocortisone in patients with HTLV-I uveitis. These TCC will be useful in investigating the effects of potential therapeutic agents for HTLV-I uveitis <i>in vitro</i>.

収録刊行物

  • Microbiology and immunology  

    Microbiology and immunology 40(5), 373-379, 1996-05-20 

    Center For Academic Publications Japan

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各種コード

  • NII論文ID(NAID)
    10004892852
  • NII書誌ID(NCID)
    AA00738350
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    03855600
  • データ提供元
    CJP書誌  J-STAGE 
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