<b>Asian Dust (</b><i>Kosa</i><b>) in Allergic Diseases </b>

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  • HIGASHI Tomomi
    Departments of Hygiene, Graduate School of Medical Sciences, Kanazawa University
  • KAMBAYASHI Yasuhiro
    Departments of Environmental and Preventive Medicine, Graduate School of Medical Sciences, Kanazawa University
  • FUJIMURA Masaki
    Departments of Respiratory Medicine, Cellular Transplantation Biology, Graduate School of Medical Sciences, Kanazawa University Respiratory Medicine, National Hospital Organization Nanao Hospital
  • OHKURA Noriyuki
    Departments of Respiratory Medicine, Cellular Transplantation Biology, Graduate School of Medical Sciences, Kanazawa University Ishikawa Prefectural Central Hospital
  • YOSHIZAKI Tomokazu
    Departments of Otolaryngology-Head & Neck Surgery, Graduate School of Medical Sciences, Kanazawa University
  • NAKANISHI Sayaka
    Departments of Otolaryngology-Head & Neck Surgery, Graduate School of Medical Sciences, Kanazawa University
  • SAIJOH Kiyofumi
    Departments of Hygiene, Graduate School of Medical Sciences, Kanazawa University
  • HAYAKAWA Kazuichi
    Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University
  • KOBAYASHI Fumihisa
    College of Science and Engineering, Kanazawa University
  • MICHIGAMI Yoshimasa
    Environment Preservation Center, Kanazawa University
  • HITOMI Yoshiaki
    Departments of Environmental and Preventive Medicine, Graduate School of Medical Sciences, Kanazawa University
  • NAKAMURA Hiroyuki
    Departments of Environmental and Preventive Medicine, Graduate School of Medical Sciences, Kanazawa University

Bibliographic Information

Other Title
  • <b>黄砂とアレルギー疾患 </b>
  • 黄砂とアレルギー疾患
  • コウサ ト アレルギー シッカン

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Abstract

The frequency and scale of Asian dust events have increased rapidly in East Asia since 2000. In connection with this, the effects of Asian dust (kosa) on human health, especially on allergic diseases, are major concern in Japan. We herein discuss the effects of kosa on allergic diseases, including asthma, chronic cough and Japanese cedar pollinosis. Epidemiological studies, as well as experimental studies, have demonstrated the association between kosa and the exacerbation of asthma and allergic diseases.The kosa particles increase airway inflammation as one of the major sources of atmospheric particulate matter. Furthermore the kosa particles absorb various atmospheric gases, including air pollution. Such environmental pollution enhances the response to allergens, including Japanese cedar pollen. Recently, some epidemiological studies used the kosa data obtained by the light detection and ranging (LIDAR) system, which distinguish between mineral dust and other spherical particles, by identifying differences in the shape of the particles. Further studies using the LIDAR system will help to identify the kosa aerosol components that have adverse health effects, leading to provide new strategies to prevent environmentally induced allergic diseases.

Journal

  • Earozoru Kenkyu

    Earozoru Kenkyu 29 (S1), s212-s217, 2014

    Japan Association of Aerosol Science and Technology

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