Effect of interferon-α on production of reactive oxygen species by human neutrophils

Takuya Koie, Katsuhiko Suzuki, Tadashi Shimoyama, Takashi Umeda, Shigeyuki Nakaji, Kazuo Sugawara

研究成果: Article

6 引用 (Scopus)

抄録

In order to examine that the effects of interferon alpha (IFN-α) on the production of reactive oxygen species from human neutrophils, we investigated in vitro effects of IFN-α on neutrophil chemiluminescence responses. Human neutrophils were incubated with 0-1 × 105 IU/mL IFN-α for 10-60 min just before stimulation with opsonized zymosan and phorbol 12-myristate 13-acetate. Luminol-dependent (LmCL) and lucigenin-dependent (LgCL) chemiluminescence responses were measured using a Lumi Box H-1000. The LmCL response was inhibited by pre-incubation with high concentrations of IFN-α (more than 1 × 104 IU/mL). In contrast, LgCL response was increased when neutrophils were pre-incubated with high concentration of IFN-α. Effects of preincubation of IFN-α were similar between CL responses stimulated with OZ and PMA. The increase of LgCL might be due to the inhibitory effect of IFN-α on myeloperoxidase degranulation, in view of the decreased LmCL responses.

元の言語English
ページ(範囲)39-43
ページ数5
ジャーナルLuminescence
16
発行部数1
DOI
出版物ステータスPublished - 2001 1
外部発表Yes

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Interferon-alpha
Interferons
Reactive Oxygen Species
Neutrophils
Chemiluminescence
Luminescence
Luminol
Zymosan
Peroxidase
Acetates

ASJC Scopus subject areas

  • Biophysics

これを引用

Effect of interferon-α on production of reactive oxygen species by human neutrophils. / Koie, Takuya; Suzuki, Katsuhiko; Shimoyama, Tadashi; Umeda, Takashi; Nakaji, Shigeyuki; Sugawara, Kazuo.

:: Luminescence, 巻 16, 番号 1, 01.2001, p. 39-43.

研究成果: Article

Koie, T, Suzuki, K, Shimoyama, T, Umeda, T, Nakaji, S & Sugawara, K 2001, 'Effect of interferon-α on production of reactive oxygen species by human neutrophils', Luminescence, 巻. 16, 番号 1, pp. 39-43. https://doi.org/10.1002/bio.606
Koie, Takuya ; Suzuki, Katsuhiko ; Shimoyama, Tadashi ; Umeda, Takashi ; Nakaji, Shigeyuki ; Sugawara, Kazuo. / Effect of interferon-α on production of reactive oxygen species by human neutrophils. :: Luminescence. 2001 ; 巻 16, 番号 1. pp. 39-43.
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AU - Nakaji, Shigeyuki

AU - Sugawara, Kazuo

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N2 - In order to examine that the effects of interferon alpha (IFN-α) on the production of reactive oxygen species from human neutrophils, we investigated in vitro effects of IFN-α on neutrophil chemiluminescence responses. Human neutrophils were incubated with 0-1 × 105 IU/mL IFN-α for 10-60 min just before stimulation with opsonized zymosan and phorbol 12-myristate 13-acetate. Luminol-dependent (LmCL) and lucigenin-dependent (LgCL) chemiluminescence responses were measured using a Lumi Box H-1000. The LmCL response was inhibited by pre-incubation with high concentrations of IFN-α (more than 1 × 104 IU/mL). In contrast, LgCL response was increased when neutrophils were pre-incubated with high concentration of IFN-α. Effects of preincubation of IFN-α were similar between CL responses stimulated with OZ and PMA. The increase of LgCL might be due to the inhibitory effect of IFN-α on myeloperoxidase degranulation, in view of the decreased LmCL responses.

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