The Connection between Urinary Equol Levels and the Prevalence of Atopic Dermatitis

Takahito Chiba, Takuya Nagai, Futoshi Kohda, Takeshi Nakahara, Michihiro Kono

研究成果: Contribution to journalArticle査読

抄録

Background: Soy isoflavones and their metabolites such as equol have been associated with a reduced risk of hormone-sensitive tumors and metabolic syndromes. However, individual soy isoflavones and equol levels in atopic dermatitis remain uninvestigated. Objective: The aim of this study is to compare the levels of urinary daidzein, genistein, and equol between atopic dermatitis patients and normal subjects and to examine the correlation between equol concentration and the severity of clinical symptoms. Methods: A cross-sectional study was conducted at Akita University Hospital and Aso Iizuka Hospital in Japan. Fifty patients with confirmed atopic dermatitis diagnosis and 67 healthy controls were recruited. Daidzein, genistein, and equol in urine were measured by using a high-performance liquid chromatography-mass spectrometry system. Results: Urinary equol levels were significantly lower in the atopic dermatitis patients than in the healthy controls (p = 0.002). The difference was particularly noticeable in young people (6-19 years, p < 0.001). No correlations were found between urinary equol levels and the severity of clinical symptoms and laboratory data in the atopic dermatitis patients. Conclusion: Equol levels in childhood might be involved in the development of atopic dermatitis.

本文言語英語
ジャーナルInternational Archives of Allergy and Immunology
DOI
出版ステータス受理済み/印刷中 - 2020
外部発表はい

All Science Journal Classification (ASJC) codes

  • Immunology and Allergy
  • Immunology

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