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Decrease in Serum Amyloid a Protein Levels Following Three-month Stays in Negatively Charged Particle-dominant Indoor Air Conditions

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Biomedical and Environmental Sciences 2018年第5期31卷 335-342页

作者： Suni Lee Shoko Yamamoto Yasumitsu Nishimura Hidenori Matsuzaki Kei Yoshitome Tamayo Hatayama Miho Ikeda YU Min Nagisa Sada Naoko Kumagai-Takei takemi otsuki Department of Hygiene Kawasaki Medical School 577 Mastushima Kurashiki 701-0192 Japan Department of Occupational and Environmental Health Science School of Public Health School of Public Health Peking University Health Science Center Beijing 100191 China Department of Occupational Diseases Zhejiang Academy of Medical Sciences＇ Hangzhou 310013 Zhejiang China Department of Biophysical Chemistry Graduate School of Medicine Dentistry and Pharmaceutical Sciences Okayama University 1-1-1 Tsushimanaka Kita-Ku Okayama 700-8530 Japan

Objective The changes in serum adipokines and cytokines related to oxidative stress were examined during 3 months ‘Off to On’ and ‘On to Off’ periods using negatively charged particle-dominant indoor air conditions（NCPDIAC）.Methods Seven volunteers participated in the study,which included ‘OFF to 3 months ON’ periods（ON trials） for a total of 16 times,and ‘ON to 3 months OFF’（OFF trials） periods for a total of 13 *** With the exception of one case,serum amyloid A（SAA） levels decreased significantly during the ON *** Considering that SAA is an acute phase reactive protein such as C reactive protein（CRP）,this observed decrease might indicate the prevention of cardiovascular and atherosclerotic changes,since an increase in high-sensitive CRP is associated with the subsequent detection of these events.

关键词： Negatively charged particle Indoor air Serum amyloid A Biomarker Cardiovascular disease

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Immunological Effects of Silica and Asbestos

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Cellular & Molecular Immunology 2007年第4期4卷 261-268页

作者： takemi otsuki Megumi Maeda Shuko Murakami Hiroaki Hayashi Yoshie Miura Masayasu Kusaka Takashi Nakano Kazuya Fukuoka Takumi Kishimoto Fuminori Hyodoh Ayako Ueki Yasumitsu Nishimura Department of Hygiene Kawasaki Medical SchoolMatsushima 577Kurashiki 7010192Japan Eppley Institute for Cancer Research University of Nebraska Medical CenterOmahaNebraska 68198USA Department of Internal Medicine Kusaka Hospital1122 NishikatagamiBizen 7050021Japan Department of Respiratory Medicine Hyogo Medical College of Medicine1-1 Mukogawa-choNishinomiyaHyogo 6638131Japan Okayama Rosai Hospital 1-10-25 Chikkou-midori-machiOkayama 7028055Japan Department of Rehabilitation Faculty of Health Sciences and TechnologyKawasaki University of Medical Welfare288 MatsushimaKurashiki 7010193Japan Department of Nursing Kawasaki College of Allied Health Professions316 MatsushimaKurashiki 7010194Japan

Silicosis patients （SILs） and patients who have been exposed to asbestos develop not only respiratory diseases but also certain immunological disorders. In particular, SIL sometimes complicates autoimmune diseases such as systemic scleroderma, rheumatoid arthritis （known as Caplan syndrome）, and systemic lupus erythematoses. In addition, malignant complications such as lung cancer and malignant mesothelioma often occurr in patients exposed to asbestos, and may be involved in the reduction of tumor immunity. Although silica-induced disorders of autoimmunity have been explained as adjuvant-type effects of silica, more precise analyses are needed and should reflect the recent progress in immunomolecular findings. A brief summary of our investigations related to the immunological effects of silica/asbestos is presented. Recent advances in immunomolecular studies led to detailed analyses of the immunological effects of asbestos and silica. Both affect immuno-competent cells and these effects may be associated with the pathophysiological development of complications in silicosis and asbestos-exposed patients such as the occurrence of autoimmune disorders and malignant tumors, respectively. In addition, immunological analyses may lead to the development of new clinical tools for the modification of the pathophysiological aspects of diseases such as the regulation of autoimmunity or tumor immunity using cellmediated therapies, various cytokines, and molecule-targeting therapies. In particular, as the incidence of asbestosrelated malignancies is increasing and such malignancies have been a medical and social problem since the summer of 2005 in Japan, efforts should be focused on developing a cure for these diseases to eliminate nationwide anxiety.

关键词： silica asbestos immunology Fas regulatory T cell apoptosis

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Biological Effects of Cloth Containing Specific Ore Powder in Patients with Pollen Allergy

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Biomedical and Environmental Sciences 2016年第8期29卷 563-573页

作者： Suni LEE Hitoshi OKAMOTO Shoko YAMAMOTO Tamayo HATAYAMA Hidenori MATSUZAKI Naoko KUMAGAI-TAKEI Kei YOSHI-TOME Yasumitsu N1SHIMURA Toshiaki SATO Yasuzo KIRITA Yoshio FUJII takemi otsuki Biological Sciences Universidad De Los Andes Bogota 111711 Col. Department of Hygiene Kawasaki Medical School 577 Mastushima Kurashiki 701-0192 Japan Cosmic Garden Co. Ltd. 1-2-25 Ima Kita-Ku Okayama 700-0975 Japan Coordinator Specified Nonprofit Organiztion MEDICAL TECHNO OKA YAMA 1st Floor General Education Research Building Shikata Campus 2-5-1 Shikata Kita-ku Okayama 700-8558 Japan Okayama University Organization for Research Promotion and Collaboration 3rd Floor Basie Medicine Building Shikata Campus 2-5-1 Shikata Kita-ku Okayama 700-8558 Japan

Objective The custom-homebuilding company, Cosmic Garden Co. Ltd., located in Okayama City, Japan was established in 1997 and uses specific natural ore powder （SNOP） in wall materials and surveys customers in order to improve allergic symptoms. Methods To investigate the biological effects of SNOP, patients with a pollen allergy were recruited to stay in a room surrounded by cloth containing SNOP （CCSNOP）, and their symptoms and various biological parameters were compared with those of individuals staying in a room surrounded by control non-woven cloth （NWC）. Each stay lasted 60 min. Before and immediately after the stay, a questionnaire regarding allergic symptoms, as well as POMS （Profile of Mood Status） and blood sampling, was performed. Post-stay minus pre-stay values were calculated and compared between CCSNOP and NWC groups. Results Results indicated that some symptoms, such as nasal obstruction and lacrimation, improved, and POMS evaluation showed that patients were calmer following a stay in CCSNOP. Relative eosinophils, non-specific Ig E, epidermal growth factor, monocyte chemotactic protein-I, and tumor necrosis factor-a increased following a stay in CCSNOP. Conclusion This ore powder improved allergic symptoms, and long-term monitoring involving 1 to 2 months may be necessary to fully explore the biological and physical effects of SNOP on allergic patients.

关键词： Specific Mineral Cloth, Indoor air Immunological effects Pollen allergy

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