β2-Adrenergic receptor regulate Toll-like receptor 4-induced late-phase NF-κB activation

Takako Kizaki, Ken Shirato, Takuya Sakurai, Jun etsu Ogasawara, Shuji Oh-ishi, Takeshi Matsuoka, Tetsuya Izawa, Kazuhiko Imaizumi, Shukoh Haga, Hideki Ohno

    Research output: Contribution to journalArticle

    28 Citations (Scopus)

    Abstract

    Stimulation of Toll-like receptor 4 (TLR4) by lipopolysaccharide (LPS) triggers myeloid differentiation factor 88 (MyD88)-dependent early-phase NF-κB activation and Toll/IL-1 receptor domain-containing adaptor-inducing IFN-β (TRIF)-dependent late-phase NF-κB activation. In a previous study, we have shown that β2-adrenergic receptor (β2AR) functions as a negative regulator of NF-κB activation through β-arrestin 2 in the macrophage cell line RAW264 and that down-regulation of β2AR expression in response to LPS is essential for NF-κB activation and expression of its target gene, inducible nitric oxide synthase (NOS II). Here, we demonstrate that β2AR plays an important role in TRIF-dependent late-phase NF-κB activation. LPS-stimulated down-regulation was induced in MyD88-knockdown cells, but not in TRIF-knockdown cells, suggesting that β2AR expression was down-regulated by the TRIF-dependent pathway. On the other hand, depletion of β2AR or β-arrestin 2 expression by siRNA decreased cytoplasmic IκBα and abrogated late-phase IκBα degradation and NF-κB activation in response to LPS. Inducible nitric oxide synthase (NOS II) expression was increased continuously during 24 h of LPS stimulation in control cells, but decreased in β2AR or β-arrestin 2-knockdown cells after 6 h of LPS stimulation. These findings suggest that β2AR functions not only as a negative regulator of NF-κB activation, but also as a stabilizing factor of the NF-κB/IκBα complex through cytoplasmic β-arrestin 2, and that TRIF-dependent down-regulation of β2AR expression increases the level of cytoplasmic NF-κB/IκBα complex free from β-arrestin 2, leading to continuous late-phase NF-κB activation.

    Original languageEnglish
    Pages (from-to)1195-1203
    Number of pages9
    JournalMolecular Immunology
    Volume46
    Issue number6
    DOIs
    Publication statusPublished - 2009 Mar

    Fingerprint

    Toll-Like Receptor 4
    Adrenergic Receptors
    Nitric Oxide Synthase Type II
    Lipopolysaccharides
    Myeloid Differentiation Factor 88
    Down-Regulation
    Interleukin-1 Receptors
    Small Interfering RNA
    Macrophages
    beta-Arrestin 1
    Cell Line

    Keywords

    • β-Arrestin 2
    • β-Adrenergic receptor
    • IκBα
    • Inducible nitric oxide synthase
    • Lipopolysaccharide
    • Macrophages
    • NF-κB
    • Toll-like receptor-4

    ASJC Scopus subject areas

    • Molecular Biology
    • Immunology

    Cite this

    Kizaki, T., Shirato, K., Sakurai, T., Ogasawara, J. E., Oh-ishi, S., Matsuoka, T., ... Ohno, H. (2009). β2-Adrenergic receptor regulate Toll-like receptor 4-induced late-phase NF-κB activation. Molecular Immunology, 46(6), 1195-1203. https://doi.org/10.1016/j.molimm.2008.11.005

    β2-Adrenergic receptor regulate Toll-like receptor 4-induced late-phase NF-κB activation. / Kizaki, Takako; Shirato, Ken; Sakurai, Takuya; Ogasawara, Jun etsu; Oh-ishi, Shuji; Matsuoka, Takeshi; Izawa, Tetsuya; Imaizumi, Kazuhiko; Haga, Shukoh; Ohno, Hideki.

    In: Molecular Immunology, Vol. 46, No. 6, 03.2009, p. 1195-1203.

    Research output: Contribution to journalArticle

    Kizaki, T, Shirato, K, Sakurai, T, Ogasawara, JE, Oh-ishi, S, Matsuoka, T, Izawa, T, Imaizumi, K, Haga, S & Ohno, H 2009, 'β2-Adrenergic receptor regulate Toll-like receptor 4-induced late-phase NF-κB activation', Molecular Immunology, vol. 46, no. 6, pp. 1195-1203. https://doi.org/10.1016/j.molimm.2008.11.005
    Kizaki T, Shirato K, Sakurai T, Ogasawara JE, Oh-ishi S, Matsuoka T et al. β2-Adrenergic receptor regulate Toll-like receptor 4-induced late-phase NF-κB activation. Molecular Immunology. 2009 Mar;46(6):1195-1203. https://doi.org/10.1016/j.molimm.2008.11.005
    Kizaki, Takako ; Shirato, Ken ; Sakurai, Takuya ; Ogasawara, Jun etsu ; Oh-ishi, Shuji ; Matsuoka, Takeshi ; Izawa, Tetsuya ; Imaizumi, Kazuhiko ; Haga, Shukoh ; Ohno, Hideki. / β2-Adrenergic receptor regulate Toll-like receptor 4-induced late-phase NF-κB activation. In: Molecular Immunology. 2009 ; Vol. 46, No. 6. pp. 1195-1203.
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    AU - Ogasawara, Jun etsu

    AU - Oh-ishi, Shuji

    AU - Matsuoka, Takeshi

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