Disruption of the suprachiasmatic nucleus blunts a time of day-dependent variation in systemic anaphylactic reaction in mice

Yuki Nakamura, Kayoko Ishimaru, Yu Tahara, Shigenobu Shibata, Atsuhito Nakao

研究成果: Article

11 引用 (Scopus)

抄録

Anaphylaxis is a severe systemic allergic reaction which is rapid in onset and potentially fatal, caused by excessive release of mediators including histamine and cytokines/chemokines from mast cells and basophils upon allergen/IgE stimulation. Increased prevalence of anaphylaxis in industrialized countries requires urgent needs for better understanding of anaphylaxis. However, the pathophysiology of the disease is not fully understood. Here we report that the circadian clock may be an important regulator of anaphylaxis. In mammals, the central clock located in the suprachiasmatic nucleus (SCN) of the hypothalamus synchronizes and entrains peripheral circadian clock present in virtually all cell types via neural and endocrine pathways, thereby driving the daily rhythms in behavior and physiology. We found that mechanical disruption of the SCN resulted in the absence of a time of day-dependent variation in passive systemic anaphylactic (PSA) reaction in mice, associated with loss of daily variations in serum histamine, MCP-1 (CCL2), and IL-6 levels. These results suggest that the central SCN clock controls the time of day-dependent variation in IgE-mediated systemic anaphylactic reaction, which may provide a novel insight into the pathophysiology of anaphylaxis.

元の言語English
記事番号474217
ジャーナルJournal of Immunology Research
2014
DOI
出版物ステータスPublished - 2014

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Suprachiasmatic Nucleus
Anaphylaxis
Circadian Clocks
Immunoglobulin E
Histamine
Neural Pathways
Basophils
Chemokines
Developed Countries
Mast Cells
Allergens
Hypothalamus
Mammals
Interleukin-6
Hypersensitivity
Cytokines
Serum

ASJC Scopus subject areas

  • Immunology
  • Immunology and Allergy
  • Medicine(all)

これを引用

Disruption of the suprachiasmatic nucleus blunts a time of day-dependent variation in systemic anaphylactic reaction in mice. / Nakamura, Yuki; Ishimaru, Kayoko; Tahara, Yu; Shibata, Shigenobu; Nakao, Atsuhito.

:: Journal of Immunology Research, 巻 2014, 474217, 2014.

研究成果: Article

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AU - Nakao, Atsuhito

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