1
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Dobashi K, Yoshida T, Morimoto Y, Ueda A, Itoh T, Wada H, Kayama F, Satoh K, Satoh M, Shibata E, Suganuma N, Takeshita T, Tsunoda M, Nishimura Y, Yanagisawa H, Li Q. [Allergy and immunotoxicology in preventive and clinical medicine from theory to practice: Occupational allergy and isocyanate-induced asthma]. Sangyo Eiseigaku Zasshi 2023; 65:1-8. [PMID: 35569932 DOI: 10.1539/sangyoeisei.2021-040-a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Genetic and environmental factors and their interactions cause diseases and deteriorate health (Genetic and Environmental Interaction). Exposure to environmental factors plays a major role in the deterioration of health in the workplace.Occupational asthma (OA) is a common disorder in the workplace. Approaches to OA are well described and discussed in "Japanese Guideline for Diagnosis and Management of Occupational Allergic Diseases" by the Japanese Society of Occupational and Environmental Allergy. According to the guideline, OA and work-aggravated asthma comprise work-related asthma, and OA can be further divided into two disease entities: sensitizer-induced OA and irritant-induced OA. The guidelines also describe diagnostic and therapeutic strategies for OA. Since a definitive diagnosis of OA requires a comprehensive decision based on a detailed interview on clinical symptoms related to employment status and clinical tests, including inhalation tests of suspected substances as needed, the possibility of OA should be considered as the first step toward diagnosis of the patient. Otherwise, OA may not be diagnosed. Therapeutic strategies include exposure avoidance, environmental arrangements in the workplace, utilization of social resources for workers, and conventional pharmacotherapy for asthma.Artificially synthesized small compounds are used in various industries and can cause allergies. For example, isocyanates are small compounds in the -NCO group, which have been toxicologically studied. It was later shown that isocyanate could cause various nontoxic adverse health effects, including allergic reactions. Since small agents with low molecular weights bind to proteins, detecting their specific immunoglobulin E (IgE) antibodies targeting small compounds is generally difficult. In contrast, isocyanate-specific IgE antibodies are detectable in individuals with isocyanate allergies.Suspecting OA is essential in cases exposed to newly synthesized compounds, or to those that are already known but applied to new uses, which can be better understood and predicted by studying the health effects of isocyanates.Academic interest in various issues related to allergies, immunology, and toxicology in the workplace includes clinical medicine, epidemiology, and epigenetics related to environmental exposure. Further advanced research in these areas is necessary and promising.
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Affiliation(s)
| | - Kunio Dobashi
- The Committee Members for Allergy and Immunotoxicology (AIT), Japan Society for Occupational Health (JSOH).,Writing Team, The Committee for AIT, JSOH.,Jobu Hospital for Respiratory Diseases, Gunma
| | - Takahiko Yoshida
- The Committee Members for Allergy and Immunotoxicology (AIT), Japan Society for Occupational Health (JSOH).,Writing Team, The Committee for AIT, JSOH.,Asahikawa Medical University
| | - Yasuo Morimoto
- The Committee Members for Allergy and Immunotoxicology (AIT), Japan Society for Occupational Health (JSOH).,Writing Team, The Committee for AIT, JSOH.,University of Occupational and Environmental Health, Japan. Institute of Industrial Ecological Sciences
| | - Atsuhi Ueda
- The Committee Members for Allergy and Immunotoxicology (AIT), Japan Society for Occupational Health (JSOH).,Writing Team, The Committee for AIT, JSOH.,NPO Asian Health Promotion Network Center
| | - Toshihiro Itoh
- The Committee Members for Allergy and Immunotoxicology (AIT), Japan Society for Occupational Health (JSOH).,Writing Team, The Committee for AIT, JSOH.,Asahikawa Medical University
| | - Hiroo Wada
- The Committee Members for Allergy and Immunotoxicology (AIT), Japan Society for Occupational Health (JSOH).,Writing Team, The Committee for AIT, JSOH.,Juntendo University Graduate School of Medicine
| | - Fujio Kayama
- The Committee Members for Allergy and Immunotoxicology (AIT), Japan Society for Occupational Health (JSOH).,Jichi Medical University
| | - Kazuhiro Satoh
- The Committee Members for Allergy and Immunotoxicology (AIT), Japan Society for Occupational Health (JSOH).,University of Fukui
| | - Minoru Satoh
- The Committee Members for Allergy and Immunotoxicology (AIT), Japan Society for Occupational Health (JSOH).,University of Occupational and Environmental Health, Japan
| | - Eiji Shibata
- The Committee Members for Allergy and Immunotoxicology (AIT), Japan Society for Occupational Health (JSOH).,Yokkaichi Nursing and Medical Care University
| | - Narufumi Suganuma
- The Committee Members for Allergy and Immunotoxicology (AIT), Japan Society for Occupational Health (JSOH).,Kochi Medical School
| | - Tatsuya Takeshita
- The Committee Members for Allergy and Immunotoxicology (AIT), Japan Society for Occupational Health (JSOH).,Wakayama Medical University
| | - Masashi Tsunoda
- The Committee Members for Allergy and Immunotoxicology (AIT), Japan Society for Occupational Health (JSOH).,National Defense Medical College
| | - Yasumitsu Nishimura
- The Committee Members for Allergy and Immunotoxicology (AIT), Japan Society for Occupational Health (JSOH).,Kawasaki Medical School
| | - Hiroyuki Yanagisawa
- The Committee Members for Allergy and Immunotoxicology (AIT), Japan Society for Occupational Health (JSOH).,The Jikei University School of Medicine
| | - Qing Li
- The Committee Members for Allergy and Immunotoxicology (AIT), Japan Society for Occupational Health (JSOH).,Nippon Medical School
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2
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Koga Y, Yoshimi S, Harada T, Suzuki S, Ohtsuka T, Dobashi K, Hisada T. Long-term Safety and Efficacy of Benralizumab for Eosinophilic Granulomatosis with Polyangiitis Complicated with Severe Neuropathy. Intern Med 2022; 62:1553-1556. [PMID: 36171130 DOI: 10.2169/internalmedicine.0613-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The efficacy of benralizumab, as well as mepolizumab, to granulomatosis with polyangiitis (EGPA) involved with mononeuritis multiplex remains unclear. We experienced a case of EGPA presenting neuropathy with severe asthma. Muscle weakness due to neuropathy involved with gait disturbance was partly ameliorated by intravenous immunoglobulin therapy. Mepolizumab (100 mg/day) did not promote further improvement of neuropathy. However, the administration of benralizumab instead of mepolizumab improved neuropathy quickly and enabled walking alone. The efficacy of benralizumab for EGPA and its complication has been maintained for over four years. Benralizumab may be a possible treatment for EGPA presenting neuropathy with severe asthma.
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Affiliation(s)
- Yasuhiko Koga
- Department of Respiratory Medicine, Gunma University Graduate School of Medicine, Japan
| | - Seishi Yoshimi
- Department of Respiratory medicine, Tone-chuo Hospital, Japan
| | - Takashi Harada
- Department of Respiratory medicine, Tone-chuo Hospital, Japan
| | - Satoshi Suzuki
- Department of General medicine, Tone chuo Hospital, Japan
| | | | | | - Takeshi Hisada
- Gunma University Graduate School of Health Sciences, Japan
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Dobashi K, Usami A, Yokozeki H, Tsurikisawa N, Nakamura Y, Sato K, Okumura J, Yamaguchi M, Kunio Dobashi, Akiyama K, Usami A, Yokozeki H, Ikezawa Z, Tsurikisawa N, Nakamura Y, Sato K, Okumura J, Takayama K, Adachi M, Matsunaga K, Naito K, Nakazawa T, Ohta K, Okano M, Tohda Y, Watanabe M, Yamaguchi M. Japanese guidelines for occupational allergic diseases 2020. Allergol Int 2020; 69:387-404. [PMID: 32471740 DOI: 10.1016/j.alit.2020.03.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Indexed: 12/23/2022] Open
Abstract
Occupational allergic diseases are likely to worsen or become intractable as a result of continuous exposure to high concentrations of causative allergens. These are socioeconomically important diseases that can lead to work interruptions for patients and potentially job loss. We published the first guideline for managing occupational allergic diseases in Japan. The original document was published in Japanese in 2013, and the following year (2014) it was published in English. This guideline consists of six chapters about occupational asthma, occupational allergic rhinitis, occupational skin diseases, hypersensitivity pneumonitis, occupational anaphylaxis shock, and the legal aspects of these diseases. Providing general doctors with the knowledge to make evidence-based diagnoses and to understand the occupational allergic disease treatment policies, was a breakthrough in allergic disease treatment. Due to the discovery of new occupational allergens and the accumulation of additional evidence, we published a revised version of our original article in 2016, and it was published in English in 2017. In addition to including new knowledge of allergens and evidence, the 2016 revision contains a "Flowchart to Diagnosis" for the convenience of general doctors. We report the essence of the revised guidelines in this paper.
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Sato M, Aoki-Saito H, Fukuda H, Ikeda H, Koga Y, Yatomi M, Tsurumaki H, Maeno T, Saito T, Nakakura T, Mori T, Yanagawa M, Abe M, Sako Y, Dobashi K, Ishizuka T, Yamada M, Shuto S, Hisada T. Resolvin E3 attenuates allergic airway inflammation via the interleukin-23-interleukin-17A pathway. FASEB J 2019; 33:12750-12759. [PMID: 31469599 DOI: 10.1096/fj.201900283r] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
We investigated the effects of resolvin E (RvE) 1, RvE2, and RvE3 on IL-4- and IL-33-stimulated bone marrow-derived dendritic cells (BMDCs) from house dust mite (HDM)-sensitized mice. We also investigated the role of RvE3 in a murine model of HDM-induced airway inflammation. In vitro, BMDCs from HDM-sensitized mice were stimulated with IL-4 and IL-33 and then treated with RvE1, RvE2, RvE3, or vehicle. RvE1, RvE2, and RvE3 suppressed IL-23 release from BMDCs. In vivo, RvE3 administrated to HDM-sensitized and challenged mice in the resolution phase promoted a decline in total numbers of inflammatory cells and eosinophils, reduced levels of IL-23 and IL-17 in lavage fluid, and suppressed IL-23 and IL-17A mRNA expression in lung and peribronchial lymph nodes. RvE3 also reduced resistance in the lungs of HDM-sensitized mice. A NanoBiT β-arrestin recruitment assay using human embryonic kidney 293 cells revealed that pretreatment with RvE3 suppressed the leukotriene B4 (LTB4)-induced β-arrestin 2 binding to LTB4 receptor 1 (BLT1R), indicating that RvE3 antagonistically interacts with BLT1R. Collectively, these findings indicate that RvE3 facilitates the resolution of allergic airway inflammation, partly by regulating BLT1R activity and selective cytokine release by dendritic cells. Our results accordingly identify RvE3 as a potential therapeutic target for the management of asthma.-Sato, M., Aoki-Saito, H., Fukuda, H., Ikeda, H., Koga, Y., Yatomi, M., Tsurumaki, H., Maeno, T., Saito, T., Nakakura, T., Mori, T., Yanagawa, M., Abe, M., Sako, Y., Dobashi, K., Ishizuka, T., Yamada, M., Shuto, S., Hisada, T. Resolvin E3 attenuates allergic airway inflammation via the interleukin-23-interleukin-17A pathway.
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Affiliation(s)
- Makiko Sato
- Department of Respiratory Medicine, Gunma University Graduate School of Medicine, Gunma, Japan.,Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Haruka Aoki-Saito
- Department of Respiratory Medicine, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Hayato Fukuda
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
| | - Hiroyuki Ikeda
- Faculty of Pharmaceutical Sciences and Center for Research and Education on Drug Discovery, Hokkaido University, Hokkaido, Japan
| | - Yasuhiko Koga
- Department of Respiratory Medicine, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Masakiyo Yatomi
- Department of Respiratory Medicine, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Hiroaki Tsurumaki
- Department of Respiratory Medicine, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Toshitaka Maeno
- Department of Respiratory Medicine, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Tsugumichi Saito
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Gunma, Japan
| | | | - Tetsuya Mori
- Laboratory of Allergy and Immunology, Faculty of Pharmacy, Takasaki University of Health and Welfare, Gunma, Japan
| | - Masataka Yanagawa
- Cellular Informatics Laboratory, Riken Cluster for Pioneering Research, Saitama, Japan
| | - Mitsuhiro Abe
- Cellular Informatics Laboratory, Riken Cluster for Pioneering Research, Saitama, Japan
| | - Yasushi Sako
- Cellular Informatics Laboratory, Riken Cluster for Pioneering Research, Saitama, Japan
| | - Kunio Dobashi
- Department of Respiratory Medicine, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Tamotsu Ishizuka
- Third Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Fukui, Japan
| | - Masanobu Yamada
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Satoshi Shuto
- Faculty of Pharmaceutical Sciences and Center for Research and Education on Drug Discovery, Hokkaido University, Hokkaido, Japan
| | - Takeshi Hisada
- Department of Respiratory Medicine, Gunma University Graduate School of Medicine, Gunma, Japan.,Gunma University Graduate School of Health Sciences, Gunma, Japan
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Koga Y, Hachisu Y, Tsurumaki H, Yatomi M, Kaira K, Ohta S, Ono J, Izuhara K, Dobashi K, Hisada T. Pirfenidone Improves Familial Idiopathic Pulmonary Fibrosis without Affecting Serum Periostin Levels. ACTA ACUST UNITED AC 2019; 55:medicina55050161. [PMID: 31108995 PMCID: PMC6572615 DOI: 10.3390/medicina55050161] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 05/16/2019] [Accepted: 05/16/2019] [Indexed: 11/16/2022]
Abstract
Background: Antifibrotic agents have been approved for the treatment of idiopathic pulmonary fibrosis (IPF). However, the efficacy of these drugs in the treatment of familial IPF (FIPF) has not been previously reported. Case presentation: We report the case of a 77-year-old man with FIPF, successfully treated with pirfenidone. His uncle died due to IPF, and his niece was diagnosed with the disease. He had worsening dyspnea two months prior to admission to our hospital. Upon admission, he had desaturation when exercising and broad interstitial pneumonia. Administration of pirfenidone improved his dyspnea, desaturation, and the reticular shadow on his chest radiograph. Increased fibrotic marker levels KL-6 and SP-D were also normalized in six months; treatment had no effect on his serum periostin level. Pirfenidone has been effective for over two years. Conclusion: Antifibrotic agents such as pirfenidone may be useful for the management of FIPF, as well as cases of sporadic IPF.
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Affiliation(s)
- Yasuhiko Koga
- Department of Allergy and Respiratory Medicine, Gunma University Graduate School of Medicine, 3-39-15 sho-wa machi Maebashi, Gunma 371-8511, Japan.
| | - Yoshimasa Hachisu
- Department of Allergy and Respiratory Medicine, Gunma University Graduate School of Medicine, 3-39-15 sho-wa machi Maebashi, Gunma 371-8511, Japan.
| | - Hiroaki Tsurumaki
- Department of Allergy and Respiratory Medicine, Gunma University Graduate School of Medicine, 3-39-15 sho-wa machi Maebashi, Gunma 371-8511, Japan.
| | - Masakiyo Yatomi
- Department of Allergy and Respiratory Medicine, Gunma University Graduate School of Medicine, 3-39-15 sho-wa machi Maebashi, Gunma 371-8511, Japan.
| | - Kyoichi Kaira
- Department of Respiratory Medicine, Comprehensive Cancer Center, International Medical Center, Saitama Medical University, Saitama 350-0495, Japan.
| | - Shoichiro Ohta
- Division of Medical Biochemistry, Department of Biomolecular Sciences, Saga Medical School, 5-1-1, Nabeshima, Saga, 849-8501, Japan.
| | - Junya Ono
- Shino-Test Corporation, 2-29-14 Oonodai Minami-ku, Sagamihara, Kanagawa, 252-0331, Japan.
| | - Kenji Izuhara
- Division of Medical Biochemistry, Department of Biomolecular Sciences, Saga Medical School, 5-1-1, Nabeshima, Saga, 849-8501, Japan.
| | - Kunio Dobashi
- Jobu Hospital for Respiratory Diseases, 586-1 Taguchi-machi, Maebashi, Gunma, 371-0048, Japan.
| | - Takeshi Hisada
- Gunma University Graduate School of Health Sciences, 3-39-22 sho-wa machi Maebashi, Gunma 371-8514, Japan.
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Dobashi K. [THE EFFECT OF OCCUPATION AND ENVIRONMENT ON ASTHMA-WHAT WE HAVE CLARIFIED, WHAT WE NEED TO CLARIFY]. Arerugi 2019; 67:740-746. [PMID: 30022782 DOI: 10.15036/arerugi.67.740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Kunio Dobashi
- Jobu Hospital for Respiratory Diseases.,Gunma University
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7
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Sasaki Y, Koga Y, Kasahara N, Hachisu Y, Murata K, Tsurumaki H, Yatomi M, Tsukagoshi Y, Sawada Y, Sakurai R, Ono A, Sunaga N, Kaira K, Hirato J, Maeno T, Dobashi K, Hisada T. Small Cell Lung Cancer with Sarcoidosis in Spontaneous Remission: A Case Report. J NIPPON MED SCH 2018; 85:291-296. [PMID: 30464148 DOI: 10.1272/jnms.jnms.2018_85-47] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
A 69-year-old woman was diagnosed with sarcoidosis, which was not treated with corticosteroid therapy. Her levels of angiotensin converting enzyme decreased significantly over 4 years and a mass lesion was detected near the lower part of her left main bronchus, and diagnosed as small cell lung cancer (SCLC). Treatment of the SCLC with a series of chemotherapeutic agents produced excellent results. The pulmonary sarcoidosis did not show any deterioration despite the frequent use of amrubicin, which is known to be a cause of interstitial pneumonia. This is a case report of SCLC complicated with sarcoidosis in a stage of spontaneous remission, possibly suggesting an association between sarcoidosis and tumor immunity, since recent reports have suggested that immune checkpoint inhibitors might be involved in the development of sarcoidosis.
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Affiliation(s)
- Yumeka Sasaki
- Department of Allergy and Respiratory Medicine, Gunma University Graduate School of Medicine
| | - Yasuhiko Koga
- Department of Allergy and Respiratory Medicine, Gunma University Graduate School of Medicine
| | - Norimitsu Kasahara
- Department of Allergy and Respiratory Medicine, Gunma University Graduate School of Medicine
| | - Yoshimasa Hachisu
- Department of Allergy and Respiratory Medicine, Gunma University Graduate School of Medicine
| | - Keisuke Murata
- Department of Allergy and Respiratory Medicine, Gunma University Graduate School of Medicine
| | - Hiroaki Tsurumaki
- Department of Allergy and Respiratory Medicine, Gunma University Graduate School of Medicine
| | - Masakiyo Yatomi
- Department of Allergy and Respiratory Medicine, Gunma University Graduate School of Medicine
| | - Yusuke Tsukagoshi
- Department of Allergy and Respiratory Medicine, Gunma University Graduate School of Medicine
| | - Yuri Sawada
- Department of Allergy and Respiratory Medicine, Gunma University Graduate School of Medicine
| | - Reiko Sakurai
- Oncology Center, Gunma University Graduate School of Medicine
| | - Akihiro Ono
- Department of Allergy and Respiratory Medicine, Gunma University Graduate School of Medicine
| | - Noriaki Sunaga
- Department of Allergy and Respiratory Medicine, Gunma University Graduate School of Medicine
| | - Kyoichi Kaira
- Department of Oncology Clinical Development, Gunma University Graduate School of Medicine
| | - Junko Hirato
- Department of Pathology, Gunma University Hospital
| | - Toshitaka Maeno
- Department of Allergy and Respiratory Medicine, Gunma University Graduate School of Medicine
| | | | - Takeshi Hisada
- Department of Allergy and Respiratory Medicine, Gunma University Graduate School of Medicine
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Murata K, Koga Y, Kasahara N, Hachisu Y, Nunomura S, Nakajima N, Yokoo H, Kaira K, Maeno T, Dobashi K, Izuhara K, Hisada T. Accumulation of periostin in acute exacerbation of familial idiopathic pulmonary fibrosis. J Thorac Dis 2018; 10:E587-E591. [PMID: 30174940 DOI: 10.21037/jtd.2018.06.96] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Periostin, an extracellular matrix molecule, is associated with idiopathic pulmonary fibrosis (IPF). It is known that the frequency of familial IPF (FIPF) ranges from 0.5% to 2.2% among IPF cases. However, the relationship between periostin and FIPF has not been previously described. We report the first case of periostin accumulation in the lungs of a patient with an acute exacerbation of FIPF. A 72-year-old woman, diagnosed with FIPF, had been followed up for 5 years. The patient experienced increased dyspnea within a 1-month period and was referred to our hospital. The patient was hypoxic, and chest computed tomography showed rapidly expanding bilateral reticular shadows. Despite pulse-steroid and intravenous-cyclophosphamide therapy, the patient died 25 days after admission. On admission, serum periostin levels were not significantly elevated, while serum fibrotic marker levels were elevated. Immunohistochemical analysis of the lungs on autopsy showed marked accumulation of periostin in the active fibrotic lesions, whereas intact and burned-out areas did not show significant expression of periostin. This case might provide insight into the role of periostin in acute exacerbation of IPF.
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Affiliation(s)
- Keisuke Murata
- Department of Allergy and Respiratory Medicine, Gunma University Graduate School of Medicine, 3-39-15 Showa-machi, Maebashi, Gunma, Japan
| | - Yasuhiko Koga
- Department of Allergy and Respiratory Medicine, Gunma University Graduate School of Medicine, 3-39-15 Showa-machi, Maebashi, Gunma, Japan
| | - Norimitsu Kasahara
- Department of Allergy and Respiratory Medicine, Gunma University Graduate School of Medicine, 3-39-15 Showa-machi, Maebashi, Gunma, Japan
| | - Yoshimasa Hachisu
- Department of Allergy and Respiratory Medicine, Gunma University Graduate School of Medicine, 3-39-15 Showa-machi, Maebashi, Gunma, Japan
| | - Satoshi Nunomura
- Division of Medical Biochemistry, Department of Biomolecular Sciences, Saga Medical School, 5-1-1 Nabeshima, Saga, Japan
| | - Nozomi Nakajima
- Department of Human Pathology, Gunma University Graduate School of Medicine, 3-39-15 Maebashi, Gunma, Japan
| | - Hideaki Yokoo
- Department of Human Pathology, Gunma University Graduate School of Medicine, 3-39-15 Maebashi, Gunma, Japan
| | - Kyoichi Kaira
- Department of Oncology Clinical Development, Gunma University Graduate School of Medicine, 3-39-15 Maebashi, Gunma, Japan
| | - Toshitaka Maeno
- Department of Allergy and Respiratory Medicine, Gunma University Graduate School of Medicine, 3-39-15 Showa-machi, Maebashi, Gunma, Japan
| | - Kunio Dobashi
- Gunma University Graduate School of Health Sciences, 3-39-15 Showa-machi, Maebashi, Gunma Japan
| | - Kenji Izuhara
- Division of Medical Biochemistry, Department of Biomolecular Sciences, Saga Medical School, 5-1-1 Nabeshima, Saga, Japan
| | - Takeshi Hisada
- Department of Allergy and Respiratory Medicine, Gunma University Graduate School of Medicine, 3-39-15 Showa-machi, Maebashi, Gunma, Japan
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Dobashi K. JAPANESE GUIDELINE FOR OCCUPATIONAL ALLERGIC DISEASES 2016. Arerugi 2017; 66:162-167. [PMID: 28515396 DOI: 10.15036/arerugi.66.162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Kunio Dobashi
- Graduate School of Health Sciences, Gunma University
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10
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Kato D, Dobashi K, Fueki M, Tomioka S, Yamada H, Fueki N. Short-term and long-term effects of a self-managed physical activity program using a pedometer for chronic respiratory disease: a randomized controlled trial. J Phys Ther Sci 2017; 29:807-812. [PMID: 28603350 PMCID: PMC5462677 DOI: 10.1589/jpts.29.807] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Accepted: 01/24/2017] [Indexed: 01/23/2023] Open
Abstract
[Purpose] The aim of this study was to evaluate the effects of a self-managed physical
activity program using a pedometer and diary on physical function, ADL, and QOL in
patients with chronic respiratory disease. [Subjects and Methods] 17 outpatients with
chronic respiratory disease were assessed for dyspnea, muscle strength, exercise
tolerance, ADL, and QOL at baseline, after 3-, and 6-months after the start of the
program. Patients were randomly assigned to “Control” or “Diary” group. In the Diary
group, the number of steps was counted with a pedometer and recorded in a diary together
with self-evaluation of physical activity, while patients assigned to the Control group
did not use a pedometer or keep a diary. [Results] The Diary group showed significant
improvement in the daily step count over time. The Diary group showed significant
improvement of the dyspnea, muscle strength, and exercise tolerance at 3 months, dyspnea
and muscle strength at 6 months. Significant differences found between two groups with
regard to the extent of change in the muscle strength, exercise tolerance, and QOL at 3
months. [Conclusion] This study suggests that a self-managed physical activity program
using a pedometer and diary can increase the level of physical activity.
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Affiliation(s)
- Daigo Kato
- Department of Rehabilitation, Jobu Hospital for Respiratory Diseases: 586-1 Taguchi, Maebashi, Gunma 371-0048, Japan.,Graduate School of Health Sciences, Gunma University, Japan
| | - Kunio Dobashi
- Graduate School of Health Sciences, Gunma University, Japan
| | - Makoto Fueki
- Respiratory Medicine, Jobu Hospital for Respiratory Diseases, Japan
| | - Shinichi Tomioka
- Respiratory Medicine, Jobu Hospital for Respiratory Diseases, Japan
| | - Hidenori Yamada
- Respiratory Medicine, Jobu Hospital for Respiratory Diseases, Japan
| | - Naoto Fueki
- Respiratory Medicine, Jobu Hospital for Respiratory Diseases, Japan
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Dobashi K, Akiyama K, Usami A, Yokozeki H, Ikezawa Z, Tsurikisawa N, Nakamura Y, Sato K, Okumura J, Takayama K. Japanese guidelines for occupational allergic diseases 2017. Allergol Int 2017; 66:265-280. [PMID: 28214136 DOI: 10.1016/j.alit.2016.12.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Accepted: 12/21/2016] [Indexed: 12/18/2022] Open
Abstract
In 2013, a guideline for occupational allergic diseases was published for the first time in Japan. Occupational allergic diseases are likely to worsen or become intractable as a result of continuous exposure to high concentrations of causative antigens, and are socioeconomically important diseases with which the patients might sometimes lose jobs due to work interruptions. Guidelines for occupational allergic diseases have been published in many countries. This guideline consists of six chapters about occupational asthma, occupational allergic rhinitis, occupational skin diseases, hypersensitivity pneumonitis and occupational anaphylaxis shock, and legal aspects of these diseases. The guideline is characterized with the following basic structure: Clinical Questions (CQs) are set with reference to Minds (Medical Information Network Distribution Service), statements by the committee are correspondingly listed, recommended grades and evidence levels are defined, and then descriptions and references are indicated.
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12
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Braido F, Scichilone N, Lavorini F, Usmani OS, Dubuske L, Boulet LP, Mosges R, Nunes C, Sanchez-Borges M, Ansotegui IJ, Ebisawa M, Levi-Schaffer F, Rosenwasser LJ, Bousquet J, Zuberbier T, Canonica GW, Cruz A, Yanez A, Yorgancioglu A, Deleanu D, Rodrigo G, Berstein J, Ohta K, Vichyanond P, Pawankar R, Gonzalez-Diaz SN, Nakajima S, Slavyanskaya T, Fink-Wagner A, Loyola CB, Ryan D, Passalacqua G, Celedon J, Ivancevich JC, Dobashi K, Zernotti M, Akdis M, Benjaponpitak S, Bonini S, Burks W, Caraballo L, El-Sayed ZA, Fineman S, Greenberger P, Hossny E, Ortega-Martell JA, Saito H, Tang M, Zhang L. Manifesto on small airway involvement and management in asthma and chronic obstructive pulmonary disease: an Interasma (Global Asthma Association - GAA) and World Allergy Organization (WAO) document endorsed by Allergic Rhinitis and its Impact on Asthma (ARIA) and Global Allergy and Asthma European Network (GA 2LEN). World Allergy Organ J 2016; 9:37. [PMID: 27800118 PMCID: PMC5084415 DOI: 10.1186/s40413-016-0123-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Accepted: 08/24/2016] [Indexed: 12/21/2022] Open
Abstract
Evidence that enables us to identify, assess, and access the small airways in asthma and chronic obstructive pulmonary disease (COPD) has led INTERASMA (Global Asthma Association) and WAO to take a position on the role of the small airways in these diseases. Starting from an extensive literature review, both organizations developed, discussed, and approved the manifesto, which was subsequently approved and endorsed by the chairs of ARIA and GA2LEN. The manifesto describes the evidence gathered to date and defines and proposes issues on small airway involvement and management in asthma and COPD with the aim of challenging assumptions, fostering commitment, and bringing about change. The small airways (defined as those with an internal diameter <2 mm) are involved in the pathogenesis of asthma and COPD and are the major determinant of airflow obstruction in these diseases. Various tests are available for the assessment of the small airways, and their results must be integrated to confirm a diagnosis of small airway dysfunction. In asthma and COPD, the small airways play a key role in attempts to achieve disease control and better outcomes. Small-particle inhaled formulations (defined as those that, owing to their size [usually <2 μm], ensure more extensive deposition in the lung periphery than large molecules) have proved beneficial in patients with asthma and COPD, especially those in whom small airway involvement is predominant. Functional and biological tools capable of accurately assessing the lung periphery and more intensive use of currently available tools are necessary. In patients with suspected COPD or asthma, small airway involvement must be assessed using currently available tools. In patients with subotpimal disease control and/or functional or biological signs of disease activity, the role of small airway involvement should be assessed and treatment tailored. Therefore, the choice between large- and small-particle inhaled formulations must reflect the physician’s considerations of disease features, phenotype, and response to previous therapy. This article is being co-published in Asthma Research and Practice and the World Allergy Organization Journal.
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Affiliation(s)
- F Braido
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - N Scichilone
- Dipartimento Biomedico di Medicina Interna e Specialistica, University of Palermo, Palermo, Italy
| | - F Lavorini
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - O S Usmani
- Airway Disease Section, National Heart and Lung Institute, Imperial College London, Royal Brompton Hospital, London, UK
| | - L Dubuske
- Immunology Research Institute of New England, Harvard, USA
| | - L P Boulet
- Centre de recherche de l'Institut universitaire de cardiologie et de pneumologie de Québec, Québec, Canada
| | - R Mosges
- Institute of Medical Statistics, Informatics and Epidemiology, University Hospital of Cologne, Cologne, Germany
| | - C Nunes
- Centro de ImmunoAlergologia de Algarve, Porto, Portugal
| | - M Sanchez-Borges
- Centro Medico Docente La Trinidad, Caracas, Venezuela ; Clinica El Avila, Caracas, Venezuela
| | - I J Ansotegui
- Department of Allergy and Immunology, Hospital Quirón Bizkaia, Carretera Leioa-Inbe, Erandio, Bilbao Spain
| | - M Ebisawa
- Department of Allergy, Clinical Research Center for Allergy & Rheumatology, Sagamihara National Hospital, Sagamihara, Kanagawa Japan
| | - F Levi-Schaffer
- Department of Pharmacology and Experimental Therapeutics, Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - L J Rosenwasser
- University of Missouri - Kansas City, School of Medicine, Kansas City, Missouri USA
| | - J Bousquet
- Service des Maladies Respiratoires, Hopital Arnaud de Villeneuve, Montpellier, France
| | - T Zuberbier
- Department of Dermatology and Allergy, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - G Walter Canonica
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - A Cruz
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - A Yanez
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - A Yorgancioglu
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - D Deleanu
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - G Rodrigo
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - J Berstein
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - K Ohta
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - P Vichyanond
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - R Pawankar
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - S N Gonzalez-Diaz
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - S Nakajima
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - T Slavyanskaya
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - A Fink-Wagner
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - C Baez Loyola
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - D Ryan
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - G Passalacqua
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - J Celedon
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - J C Ivancevich
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - K Dobashi
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - M Zernotti
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - M Akdis
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - S Benjaponpitak
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - S Bonini
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - W Burks
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - L Caraballo
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - Z Awad El-Sayed
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - S Fineman
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - P Greenberger
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - E Hossny
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - J A Ortega-Martell
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - H Saito
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - M Tang
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
| | - L Zhang
- Allergy and Respiratory Diseases Department DIMI, University of Genoa, IRCCS AOU San Martino-IST, Genoa, Italy
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Koga Y, Satoh T, Kaira K, Koka M, Hisada T, Hirato J, Altan B, Yatomi M, Ono A, Kamide Y, Shimizu Y, Aoki-Saito H, Tsurumaki H, Shimizu K, Mogi A, Ishizuka T, Yamada M, Dobashi K. Elemental and immunohistochemical analysis of the lungs and hilar lymph node in a patient with asbestos exposure, a pilot study. Environ Health Prev Med 2016; 21:492-500. [PMID: 27699693 DOI: 10.1007/s12199-016-0576-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2016] [Accepted: 08/08/2016] [Indexed: 01/27/2023] Open
Abstract
OBJECTIVES Studies have shown that inhaled mine dust, such as asbestos, can be translocated to various organs including the lymph nodes. Recently, we have established a protocol that enables us to identify inhaled elements using paraffin embedded lung specimens by in-air microparticle-induced X-ray emission (micro-PIXE). However, little research has examined the concentration of these inhaled fibers in various organs or the mechanisms of their translocation. In this study, we compared the concentration of inhaled fibers in the lung parenchyma to the concentration in the hilar lymph node as well as to determine the elemental spatial distribution of the inhaled fibers in a patient with occupational asbestos exposure. METHODS Lung tissues and hilar lymph node in a patient with asbestos exposure were used in this study. Elemental analysis was performed by in-air micro-PIXE. Immunohistochemical analysis was performed using anti CD163, smooth muscle actin, vimentin and β-catenin antibody. RESULTS The analysis revealed that the amount of inhaled silicon was approximately 6 times higher in the lymph node than in the lungs. The spatial analysis showed that silicon, iron and aluminium were co-localized in the hilar lymph node. The immunohistochemical analysis showed localized agreement of the inhaled fibers with macrophages, smooth muscle actin, and vimentin in the hilar lymph node. CONCLUSIONS This study showed that in-air micro-PIXE could be useful for analyzing the elemental distribution and quantification of inhaled fibers in the human body. Furthermore, immunohistochemistry in combination with in-air micro-PIXE analyses may help to determine the mechanism of mine dust distribution in vivo.
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Affiliation(s)
- Yasuhiko Koga
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, 3-39-15 sho-wa machi, Maebashi, Gunma, 371-8511, Japan.
| | - Takahiro Satoh
- Takasaki Advanced Radiation Research Institute, Japan Atomic Energy Agency, 1233 Watanuki-machi, Takasaki, Gunma, 370-1292, Japan
| | - Kyoichi Kaira
- Department of Oncology Clinical Development, Gunma University Graduate School of Medicine, 3-39-15 sho-wa machi, Maebashi, Gunma, 371-8511, Japan
| | - Masashi Koka
- Takasaki Advanced Radiation Research Institute, Japan Atomic Energy Agency, 1233 Watanuki-machi, Takasaki, Gunma, 370-1292, Japan
| | - Takeshi Hisada
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, 3-39-15 sho-wa machi, Maebashi, Gunma, 371-8511, Japan
| | - Junko Hirato
- Department of Pathology, Gunma University Hospital, 3-39-22 sho-wa machi, Maebashi, Gunma, 371-8511, Japan
| | - Bolag Altan
- Department of Oncology Clinical Development, Gunma University Graduate School of Medicine, 3-39-15 sho-wa machi, Maebashi, Gunma, 371-8511, Japan
| | - Masakiyo Yatomi
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, 3-39-15 sho-wa machi, Maebashi, Gunma, 371-8511, Japan
| | - Akihiro Ono
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, 3-39-15 sho-wa machi, Maebashi, Gunma, 371-8511, Japan
| | - Yosuke Kamide
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, 3-39-15 sho-wa machi, Maebashi, Gunma, 371-8511, Japan.,Department of Allergy, Sagamihara National Hospital, 18-1 Sakuradai minami-ku, Sagamihara, Kanagawa, 252-0392, Japan
| | - Yasuo Shimizu
- Department of Pulmonary Medicine and Clinical Immunology, Dokkyo Medical University School of Medicine, 880 Kitakobayashi, Mibu-machi, Tochigi, 321-0293, Japan
| | - Haruka Aoki-Saito
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, 3-39-15 sho-wa machi, Maebashi, Gunma, 371-8511, Japan
| | - Hiroaki Tsurumaki
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, 3-39-15 sho-wa machi, Maebashi, Gunma, 371-8511, Japan
| | - Kimihiro Shimizu
- Department of Thoracic Visceral Organ Surgery, Gunma University Graduate School of Medicine, 3-39-15 sho-wa machi, Maebashi, Gunma, 371-8511, Japan
| | - Akira Mogi
- Department of General Surgical Science, Gunma University Graduate School of Medicine, 3-39-15 sho-wa machi, Maebashi, Gunma, 371-8511, Japan
| | - Tamotsu Ishizuka
- Third Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, 23-3 Matsuoka-Shimoaizuki, Eiheiji-cho, Yoshida-gun, Fukui, 910-1193, Japan
| | - Masanobu Yamada
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, 3-39-15 sho-wa machi, Maebashi, Gunma, 371-8511, Japan
| | - Kunio Dobashi
- Gunma University Graduate School of Health Sciences, 3-39-22 sho-wa machi, Maebashi, Gunma, 371-8514, Japan.
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Koga Y, Hisada T, Ishizuka T, Utsugi M, Ono A, Yatomi M, Kamide Y, Aoki-Saito H, Tsurumaki H, Dobashi K, Yamada M. CREB regulates TNF-α-induced GM-CSF secretion via p38 MAPK in human lung fibroblasts. Allergol Int 2016; 65:406-413. [PMID: 27118435 DOI: 10.1016/j.alit.2016.03.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2016] [Revised: 03/13/2016] [Accepted: 03/15/2016] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Granulocyte-macrophage colony-stimulating factor (GM-CSF) is a cytokine that mediates eosinophilic differentiation, migration and survival, causing respiratory tract inflammation. GM-CSF is also known to be secreted from respiratory tract structural cells. However, the mechanisms of GM-CSF secretion have not been well established. METHODS Human fetal lung fibroblasts and human primary asthmatic lung fibroblasts were used for the study of tumor necrosis factor alpha (TNF-α)-induced GM-CSF secretion. GM-CSF secretion and mRNA expression were measured by enzyme-linked immunosorbent assay and quantitative real-time reverse transcription polymerase chain reaction, respectively. Knockdown of cAMP response element-binding protein (CREB) in fibroblasts was carried out by using specific small interfering RNAs of CREB. RESULTS Among respiratory tract structural cells, pulmonary fibroblasts exhibited increased GM-CSF secretion and mRNA expression after stimulation with TNF-α in a concentration-dependent manner. Moreover, a p38 mitogen-activated protein kinase (MAPK) inhibitor controlled TNF-α-induced GM-CSF secretion, and roflumilast and rolipram, inhibitors of phosphodiesterase-4, suppressed TNF-α-induced GM-CSF secretion. Consistent with this, forskolin also completely blocked GM-CSF secretion, and similar results were observed in response to cAMP treatment, suggesting that cAMP signaling suppressed TNF-α-induced GM-CSF secretion in human lung fibroblasts. Furthermore, CREB was phosphorylated through p38 MAPK but not cAMP signaling after TNF-α stimulation, and GM-CSF secretion was inhibited by CREB knockdown. Finally, these effects were also demonstrated in human primary lung fibroblasts in a patient with asthma. CONCLUSIONS CREB signaled independent of cAMP signaling and was phosphorylated by p38 MAPK following TNF-α stimulation, playing a critical role in GM-CSF secretion in human lung fibroblasts.
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Affiliation(s)
- Yasuhiko Koga
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Gunma, Japan.
| | - Takeshi Hisada
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Tamotsu Ishizuka
- Third Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Fukui, Japan
| | - Mitsuyoshi Utsugi
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Gunma, Japan; Department of Respiratory Medicine, Kiryu Kosei General Hospital, Gunma, Japan
| | - Akihiro Ono
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Masakiyo Yatomi
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Yosuke Kamide
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Gunma, Japan; Clinical Research Center for Allergy and Rheumatology, Sagamihara National Hospital, Kanagawa, Japan
| | - Haruka Aoki-Saito
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Hiroaki Tsurumaki
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Kunio Dobashi
- Gunma University Graduate School of Health Sciences, Gunma, Japan
| | - Masanobu Yamada
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Gunma, Japan
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Dobashi K. [Clinical practice for total care of allergic diseases. Topics: VII. Allergic Diseases which Should Be Treated as a Medical Emergency]. Nihon Naika Gakkai Zasshi 2016; 105:1975-1982. [PMID: 30178958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
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16
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Endo Y, Dobashi K, Uga D, Kato D, Nakazawa R, Sakamoto M, Fueki M, Makino S. Effect of 12-month rehabilitation with low loading program on chronic respiratory disease. J Phys Ther Sci 2016; 28:1032-5. [PMID: 27134407 PMCID: PMC4842419 DOI: 10.1589/jpts.28.1032] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Accepted: 12/15/2015] [Indexed: 11/24/2022] Open
Abstract
[Purpose] The purpose of this study was to examine the effect of 12-month rehabilitation
with low loading program on chronic respiratory disease. [Subjects and Methods] Twelve
patients with chronic respiratory disease participated in this study, in which the effect
of long-term rehabilitation for 12 months was assessed. Nine patients had chronic
obstructive pulmonary disease, two had asthma, and one had interstitial pneumonia. In all
patients, symptoms, lower-extremity strength, walking distance, activities of daily
living, and quality of life were investigated to examine the effect of respiratory
rehabilitation. [Results] After 12 months, the isometric knee extension strength and
weight-bearing index both showed a significant increase. [Conclusion] The findings of this
study suggested that improvement in lower-limb muscle strength can be achieved through
long-term intervention, and indicated the validity of repetitive standing and walking
exercises.
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Affiliation(s)
- Yasuhiro Endo
- Department of Rehabilitation, Jobu Hospital for Respiratory Diseases, Japan
| | - Kunio Dobashi
- Graduate School of Health Sciences, Gunma University, Japan
| | - Daisuke Uga
- Department of Rehabilitation, Jobu Hospital for Respiratory Diseases, Japan; Graduate School of Health Sciences, Gunma University, Japan
| | - Daigo Kato
- Department of Rehabilitation, Jobu Hospital for Respiratory Diseases, Japan; Graduate School of Health Sciences, Gunma University, Japan
| | - Rie Nakazawa
- Graduate School of Health Sciences, Gunma University, Japan
| | | | - Makoto Fueki
- Respiratory Medicine, Jobu Hospital for Respiratory Diseases, Japan
| | - Sohei Makino
- Respiratory Medicine, Jobu Hospital for Respiratory Diseases, Japan
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Kamide Y, Ishizuka T, Hayashi H, Mitsui C, Mori A, Hisada T, Dobashi K, Okajima F, Yamada M, Taniguchi M. Acidic Conditions Regulate Mast Cell Migration and Fc Epsilon RI–Mediated Cytokine Production. J Allergy Clin Immunol 2016. [DOI: 10.1016/j.jaci.2015.12.253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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18
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Yatomi M, Hisada T, Ishizuka T, Koga Y, Ono A, Kamide Y, Seki K, Aoki-Saito H, Tsurumaki H, Sunaga N, Kaira K, Dobashi K, Yamada M, Okajima F. 17(R)-resolvin D1 ameliorates bleomycin-induced pulmonary fibrosis in mice. Physiol Rep 2015; 3:3/12/e12628. [PMID: 26660549 PMCID: PMC4760456 DOI: 10.14814/phy2.12628] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a destructive inflammatory disease with limited therapeutic options. Inflammation plays an integral role in the development of pulmonary fibrosis. Unresolved inflammatory responses can lead to substantial tissue injury, chronic inflammation, and fibrosis. The resolvins are a family of endogenous ω‐3 fatty acid derived‐lipid mediators of inflammation resolution. Resolvin D1 (RvD1) displays potent anti‐inflammatory, pro‐resolving activity, without causing immunosuppression. Its epimer, 17(R)‐resolvin D1 (17(R)‐RvD1), exhibits equivalent functionality to RvD1. In addition, 17(R)‐RvD1 is resistant to rapid inactivation by eicosanoid oxidoreductases. In the present study, we tested the hypothesis that 17(R)‐RvD1 can provide a therapeutic benefit in IPF by reducing inflammation and pulmonary fibrosis, while leaving the normal immune response intact. Mice were exposed to bleomycin (BLM) via micro‐osmotic pump to induce pulmonary fibrosis, and were then treated with 17(R)‐RvD1 or vehicle by intraperitoneal injection. Administration of 17(R)‐RvD1 from the start of BLM treatment attenuated neutrophil alveolar infiltration, lung collagen content, and Interleukin‐1β (IL‐1β), transforming growth factor‐β1 (TGF‐β1), connective tissue growth factor (CTGF), and type I collagen mRNA expression, along with subsequent reduction in histologically detectable fibrosis. The 17(R)‐RvD1‐induced infiltration of inflammatory cells was inhibited by an antagonist of lipoxin A4 receptor/formyl peptide receptor 2 (ALX/FPR2). The administration of 17(R)‐RvD1 at the later fibrotic stage also improved the lung failure. These results suggest that 17(R)‐RvD1 attenuates pulmonary fibrosis by promoting the resolution of neutrophilic inflammation and also provides pulmonary restoration. These data highlight the therapeutic potential of 17(R)‐RvD1 in the management of this intractable disease.
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Affiliation(s)
- Masakiyo Yatomi
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan Laboratory of Signal Transduction, Institute for Molecular and Cellular Regulation, Gunma University, Maebashi, Japan
| | - Takeshi Hisada
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Tamotsu Ishizuka
- Third Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Yoshida-gun Fukui, Japan
| | - Yasuhiko Koga
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Akihiro Ono
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Yosuke Kamide
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Kaori Seki
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Haruka Aoki-Saito
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan Laboratory of Signal Transduction, Institute for Molecular and Cellular Regulation, Gunma University, Maebashi, Japan
| | - Hiroaki Tsurumaki
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan Laboratory of Signal Transduction, Institute for Molecular and Cellular Regulation, Gunma University, Maebashi, Japan
| | - Noriaki Sunaga
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Kyoichi Kaira
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Kunio Dobashi
- Graduate School of Health Sciences, Gunma University, Maebashi, Japan
| | - Masanobu Yamada
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Fumikazu Okajima
- Laboratory of Signal Transduction, Institute for Molecular and Cellular Regulation, Gunma University, Maebashi, Japan
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Chigira Y, Takai T, Igusa H, Dobashi K. Effects of early physiotherapy with respect to severity of pneumonia of elderly patients admitted to an intensive care unit: a single center study in Japan. J Phys Ther Sci 2015; 27:2053-6. [PMID: 26311924 PMCID: PMC4540815 DOI: 10.1589/jpts.27.2053] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2015] [Accepted: 03/17/2015] [Indexed: 01/29/2023] Open
Abstract
[Purpose] We performed early physiotherapy for elderly patients with pneumonia admitted to an intensive care unit (ICU), and examined the effects of this early physiotherapy on the severity of pneumonia. [Subjects and Methods] Patients for whom physiotherapy was started the day after admission to the ICU (acute phase) were assigned to the early intervention group and compared with patients in the standard intervention group. All patients were divided into three groups (Groups I, II, and III) based on the severity of pneumonia. We evaluated the ICU admission period, hospitalization period, and activities of daily living (ADL) before and after admission. [Results] With respect to the severity of pneumonia, Group II showed significant differences in the ICU admission period and rates of change in the operating range, cognitive domain, and Functional Independence Measure (FIM). Group III showed significant differences in the ICU admission period and rate of change in the cognitive domain (FIM item). The results were more favorable in the early intervention group than in the standard intervention group. [Conclusion] The ICU admission period was shorter and a reduction in the ADL level was prevented in Groups II, and III compared to Group I. This may have occurred because of the early rehabilitation.
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Affiliation(s)
- Yusuke Chigira
- Department of Physical Therapy, Faculty of Health Science, Takasaki University of Health and Welfare, Japan
| | - Tomoko Takai
- Department of Rehabilitation, Kan-etsu Central Hospital, Japan
| | - Hironobu Igusa
- Department of Rehabilitation, Kan-etsu Central Hospital, Japan
| | - Kunio Dobashi
- Gunma University Graduate School of Health Sciences, Japan
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Kamide Y, Ishizuka T, Tobo M, Tsurumaki H, Aoki H, Mogi C, Nakakura T, Yatomi M, Ono A, Koga Y, Sato K, Hisada T, Dobashi K, Yamada M, Okajima F. Acidic environment augments FcεRI-mediated production of IL-6 and IL-13 in mast cells. Biochem Biophys Res Commun 2015. [PMID: 26196745 DOI: 10.1016/j.bbrc.2015.07.077] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Although blood pH is maintained in a narrow range of around pH 7.4 in living organisms, inflammatory loci are characterized by acidic conditions. Mast cells tend to reside close to the surface of the body in areas such as the mucosa and skin where they may be exposed to exogenous acids, and they play an important role in immune responses. However, little is known about the effects of extracellular acidification on the functions of mast cell. Here, we found that extracellular acidification increased the dinitrophenyl-conjugated human serum albumin (DNP-HSA)-induced production of interleukin (IL)-6 and IL-13 in MC/9 cells or bone marrow-derived mouse mast cells sensitized with anti-DNP IgE. Extracellular acidification also inhibited migration of MC/9 cells toward DNP-HSA. In addition, acidic pH stimulated antigen-induced activation of p38 mitogen-activated protein kinase (MAPK) and protein kinase B (Akt). These findings suggest that extracellular acidification augmented antigen/IgE-induced and FcεRI-mediated production of IL-6 and IL-13 in mast cells, and that this was associated with the enhancement of p38 MAPK and Akt activation.
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Affiliation(s)
- Yosuke Kamide
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan; Clinical Research Center for Allergy and Rheumatology, Sagamihara National Hospital, Sagamihara, Japan.
| | - Tamotsu Ishizuka
- Third Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Fukui, Japan
| | - Masayuki Tobo
- Laboratory of Signal Transduction, Institute for Molecular and Cellular Regulation, Gunma University, Maebashi, Japan
| | - Hiroaki Tsurumaki
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan; Laboratory of Signal Transduction, Institute for Molecular and Cellular Regulation, Gunma University, Maebashi, Japan
| | - Haruka Aoki
- Laboratory of Signal Transduction, Institute for Molecular and Cellular Regulation, Gunma University, Maebashi, Japan
| | - Chihiro Mogi
- Laboratory of Signal Transduction, Institute for Molecular and Cellular Regulation, Gunma University, Maebashi, Japan
| | - Takashi Nakakura
- Department of Anatomy, Graduate School of Medicine, Teikyo University, Tokyo, Japan
| | - Masakiyo Yatomi
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Akihiro Ono
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Yasuhiko Koga
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Koichi Sato
- Laboratory of Signal Transduction, Institute for Molecular and Cellular Regulation, Gunma University, Maebashi, Japan
| | - Takeshi Hisada
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Kunio Dobashi
- Gunma University Graduate School of Health Sciences, Maebashi, Japan
| | - Masanobu Yamada
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Fumikazu Okajima
- Laboratory of Signal Transduction, Institute for Molecular and Cellular Regulation, Gunma University, Maebashi, Japan
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Dobashi K, Akiyama K, Usami A, Yokozeki H, Ikezawa Z, Tsurikisawa N, Nakamura Y, Sato K, Okumura J. Japanese Guideline for Occupational Allergic Diseases 2014. Allergol Int 2015; 63:421-442. [PMID: 25178180 DOI: 10.2332/allergolint.14-rai-0771] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2014] [Indexed: 11/20/2022] Open
Abstract
In 2013, a guideline for occupational allergic diseases was published for the first time in Japan. Occupational allergic diseases are likely to worsen or become intractable as a result of continuous exposure to high concentrations of causative antigens, and are socioeconomically important diseases with which the patients might sometimes lose jobs due to work interruptions. Guidelines for occupational allergic diseases have been published in many countries. This guideline consists of six chapters about occupational asthma, occupational allergic rhinitis, occupational skin diseases, hypersensitivity pneumonitis and occupational anaphylaxis shock, and legal aspects of these diseases. The guideline is characterized with the following basic structure: Clinical Questions (CQs) are set with reference to Minds (Medical Information Network Distribution Service), statements by the committee are correspondingly listed, recommended grades and evidence levels are defined, and then descriptions and references are indicated.
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MESH Headings
- Alveolitis, Extrinsic Allergic/epidemiology
- Alveolitis, Extrinsic Allergic/etiology
- Alveolitis, Extrinsic Allergic/immunology
- Anaphylaxis/epidemiology
- Anaphylaxis/etiology
- Anaphylaxis/immunology
- Asthma, Occupational/epidemiology
- Asthma, Occupational/immunology
- Dermatitis, Occupational/epidemiology
- Dermatitis, Occupational/immunology
- Evidence-Based Medicine
- Humans
- Hypersensitivity/epidemiology
- Hypersensitivity/etiology
- Hypersensitivity/immunology
- Information Dissemination/legislation & jurisprudence
- Japan
- Knowledge Bases
- Occupational Exposure/adverse effects
- Rhinitis, Allergic/epidemiology
- Rhinitis, Allergic/etiology
- Rhinitis, Allergic/immunology
- Socioeconomic Factors
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Affiliation(s)
- Kunio Dobashi
- Graduate School of Health Sciences, Gunma University, Gunma, Japan
| | - Kazuo Akiyama
- National Hospital Organization, Sagamihara National Hospital, Kanagawa, Japan
| | - Atsushi Usami
- Tohkai Research Institute for Pollinosis, Shizuoka, Japan
| | - Hiroo Yokozeki
- Department of Dermatology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Zenro Ikezawa
- Department of Dermatology, Yokohama City University Hospital, Kanagawa, Japan
| | - Naomi Tsurikisawa
- Department of Allergy and Respirology, National Hospital Organization, Sagamihara National Hospital, Kanagawa, Japan
| | - Yoichi Nakamura
- Medical Center for Allergic and Immune Diseases, Yokohama City Minato Red Cross Hospital, Kanagawa, Japan
| | - Kazuhiro Sato
- Department of Environmental Health, Faculty of Medical Sciences, University of Fukui, Fukui, Japan
| | - Jiro Okumura
- Department of Environmental Medicine and Behavioural Science, Kinki University School of Medicine, Osaka, Japan
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Chino H, Hagiwara E, Sugisaki M, Baba T, Koga Y, Hisada T, Kaira K, Okudela K, Takemura T, Dobashi K, Ogura T. Pulmonary Aluminosis Diagnosed with In-air Microparticle Induced X-ray Emission Analysis of Particles. Intern Med 2015; 54:2035-40. [PMID: 26278298 DOI: 10.2169/internalmedicine.54.4246] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
We herein present a case of pulmonary aluminosis diagnosed with in-air microparticle induced X-ray emission (in-air micro-PIXE) analysis. The diagnosis of pulmonary aluminosis was supported by the occupational exposure to aluminum, ground glass opacity and ill-defined centrilobular nodular opacities seen in high resolution CT, and respiratory bronchioles accompanied by pigmented dust by histological examination by in-air micro-PIXE analysis of the lung tissues. The possibility of developing this rare condition should not be underestimated in workers at high-risk jobs. This is an important report showing the usefulness of an in-air micro-PIXE analysis for the early diagnosis of aluminosis.
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Affiliation(s)
- Haruka Chino
- Department of Respiratory Medicine, Kanagawa Cardiovascular and Respiratory Center, Japan
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23
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Shimizu Y, Dobashi K, Nagase H, Ohta K, Sano T, Matsuzaki S, Ishii Y, Satoh T, Koka M, Yokoyama A, Ohkubo T, Ishii Y, Kamiya T. Co-localization of iron binding on silica with p62/sequestosome1 (SQSTM1) in lung granulomas of mice with acute silicosis. J Clin Biochem Nutr 2014; 56:74-83. [PMID: 25834305 PMCID: PMC4306660 DOI: 10.3164/jcbn.14-44] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2014] [Accepted: 09/02/2014] [Indexed: 01/05/2023] Open
Abstract
The cellular mechanisms involved in the development of silicosis have not been fully elucidated. This study aimed to examine influence of silica-induced lung injury on autophagy. Suspensions of crystalline silica particles were administered transnasally to C57BL/6j mice. Immunohistochemical examination for Fas and p62 protein expression was performed using lung tissue specimens. Two-dimensional and quantitative analysis of silica deposits in the lungs were performed in situ using lung tissue sections by an in-air microparticle induced X-ray emission (in-air micro-PIXE) analysis system, which was based on irrradiation of specimens with a proton ion microbeam. Quantitative analysis showed a significant increase of iron levels on silica particles (assessed as the ratio of Fe relative to Si) on day 56 compared with day 7 (p<0.05). Fas and p62 were expressed by histiocytes in granulomas on day 7, and the expressions persisted for day 56. Fas- and p62-expressing histiocytes were co-localized in granulomas with silica particles that showed an increase of iron levels on silica particles in mouse lungs. Iron complexed with silica induces apoptosis, and may lead to dysregulations of autophagy in histiocytes of granulomas, and these mechanisms may contribute to granuloma development and progression in silicosis.
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Affiliation(s)
- Yasuo Shimizu
- Department of Pulmonary Medicine and Clinical Immunology, Dokkyo Medical University School of Medicine, 880 Kitakobayashi, Mibu-machi, Tochigi 321-0293, Japan ; Department of Respiratory Medicine, Maebashi Red Cross Hospital, 3-21-36 Asahi-cho, Maebashi-shi, Tochigi 371-0014, Japan ; Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, 3-39-15 Showa-machi, Maebashi-shi, Gunma 371-8511, Japan
| | - Kunio Dobashi
- Gunma University School of Health Sciences, 3-39-22 Showa-machi, Maebashi-shi, Gunma 371-8514, Japan
| | - Hiroyuki Nagase
- Division of Respiratory Medicine and Allergology, Department of Medicine, Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi-ku, Tokyo 173-8605, Japan
| | - Ken Ohta
- Department of Respiratory Diseases, National Hospital Organization Tokyo National Hospital, Tokyo, 3-1-1 Takeoka, Kiyose-shi, Tokyo 204-8585, Japan
| | - Takaaki Sano
- Department of Diagnostic Pathology, Gunma University Graduate School of Medicine, 3-39-15 Showa-machi, Maebashi-shi, Gunma 371-8511, Japan
| | - Shinichi Matsuzaki
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, 3-39-15 Showa-machi, Maebashi-shi, Gunma 371-8511, Japan
| | - Yoshiki Ishii
- Department of Pulmonary Medicine and Clinical Immunology, Dokkyo Medical University School of Medicine, 880 Kitakobayashi, Mibu-machi, Tochigi 321-0293, Japan
| | - Takahiro Satoh
- Japan Atomic Energy Agency, Takasaki Advanced Radiation Research Institute, 1233 Watanuki-machi, Takasaki-shi, Gunma 370-1292, Japan
| | - Masashi Koka
- Japan Atomic Energy Agency, Takasaki Advanced Radiation Research Institute, 1233 Watanuki-machi, Takasaki-shi, Gunma 370-1292, Japan
| | - Akihito Yokoyama
- Japan Atomic Energy Agency, Takasaki Advanced Radiation Research Institute, 1233 Watanuki-machi, Takasaki-shi, Gunma 370-1292, Japan
| | - Takeru Ohkubo
- Japan Atomic Energy Agency, Takasaki Advanced Radiation Research Institute, 1233 Watanuki-machi, Takasaki-shi, Gunma 370-1292, Japan
| | - Yasuyuki Ishii
- Japan Atomic Energy Agency, Takasaki Advanced Radiation Research Institute, 1233 Watanuki-machi, Takasaki-shi, Gunma 370-1292, Japan
| | - Tomihiro Kamiya
- Japan Atomic Energy Agency, Takasaki Advanced Radiation Research Institute, 1233 Watanuki-machi, Takasaki-shi, Gunma 370-1292, Japan
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Ishizuka T, Hisada T, Kamide Y, Aoki H, Seki K, Honjo C, Sakai H, Kadowaki M, Umeda Y, Morikawa M, Anzai M, Ameshima S, Ishizaki T, Dobashi K, Yamada M, Kusano M. The effects of concomitant GERD, dyspepsia, and rhinosinusitis on asthma symptoms and FeNO in asthmatic patients taking controller medications. J Asthma Allergy 2014; 7:131-9. [PMID: 25228816 PMCID: PMC4161609 DOI: 10.2147/jaa.s67062] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Background Losing the sense of smell, which suggests eosinophilic rhinosinusitis, is a subjective symptom, sometimes reported in asthmatic patients taking controller medication. Upper abdominal symptoms, suggesting gastroesophageal reflux disease (GERD) or functional dyspepsia, occur also in these patients. However, the relationship between these symptoms, concomitant with asthma, and the intensity of eosinophilic airway inflammation remains obscure. Objective To assess the symptoms of asthma and rhinosinusitis, and to examine the relationship between the symptoms and bronchial inflammation, a new questionnaire, the G scale, was developed. To investigate the effects of GERD, dyspepsia, and rhinosinusitis on asthma symptoms and bronchial inflammation, the symptoms of asthma and rhinosinusitis obtained by the G scale, upper abdominal symptoms obtained by the modified F scale, a questionnaire for GERD and dyspepsia, and fractional exhaled nitric oxide (FeNO) were analyzed. Methods A prospective, observational study was performed in four hospitals in Gunma prefecture, and a retrospective analysis was done using data obtained from five hospitals in Gunma prefecture and Fukui prefecture, Japan. A total of 252 patients diagnosed as having asthma participated in the prospective study. Results The frequency of daytime phlegm or losing the sense of smell had a positive correlation with FeNO levels in asthmatic patients taking controller medication. Upper abdominal symptoms, as well as symptoms suggesting rhinitis, were well correlated with asthma symptoms. However, neither upper abdominal symptoms nor rhinitis symptoms increased FeNO levels, which reflect eosinophilic airway inflammation during treatment for asthma. On the other hand, the degree of upper abdominal symptoms or dyspepsia symptoms had a weak but significant negative correlation with FeNO levels. Conclusion Daytime phlegm and losing the sense of smell suggest that eosinophilic airway inflammation persists, despite anti-inflammatory therapy, in patients with asthma. Although rhinitis and GERD made the subjective symptoms of asthma worse, they did not seem to enhance eosinophilic airway inflammation.
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Affiliation(s)
- Tamotsu Ishizuka
- Third Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Fukui, Japan ; Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Takeshi Hisada
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Yosuke Kamide
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Haruka Aoki
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Kaori Seki
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Chisato Honjo
- Third Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Fukui, Japan
| | - Hiroyuki Sakai
- Third Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Fukui, Japan
| | - Maiko Kadowaki
- Third Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Fukui, Japan
| | - Yukihiro Umeda
- Third Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Fukui, Japan
| | - Miwa Morikawa
- Third Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Fukui, Japan
| | - Masaki Anzai
- Third Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Fukui, Japan
| | - Shingo Ameshima
- Third Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Fukui, Japan
| | - Takeshi Ishizaki
- Third Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Fukui, Japan
| | - Kunio Dobashi
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Masanobu Yamada
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Motoyasu Kusano
- Department of Endoscopy and Endoscopic Surgery, Gunma University Hospital, Maebashi, Japan
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25
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Chigira Y, Takai T, Oda T, Dobashi K. Difference in the Effect of Outpatient Pulmonary Rehabilitation Due to Variation in the Intervention Frequency: Intervention Centering on Home-based Exercise. J Phys Ther Sci 2014; 26:1041-4. [PMID: 25140092 PMCID: PMC4135193 DOI: 10.1589/jpts.26.1041] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2013] [Accepted: 01/13/2014] [Indexed: 11/24/2022] Open
Abstract
[Purpose] The purpose of this study was to investigate differences in effects caused by
variation in the intervention frequency of outpatient pulmonary rehabilitation, in terms
of the pulmonary function, lower-limb muscle strength, exercise tolerance, and quality of
life (QOL). [Subjects and Methods] A total of 36 patients with mild to severe chronic
obstructive pulmonary disease (COPD) were studied. These patients were all men over the
age of 40 who did not require assistance for activities of daily living (ADL). Groups
undergoing intervention once a month (M1 group) and once a week (W1 group) were compared
in terms of the effects of outpatient pulmonary rehabilitation for a period of 12 weeks.
Intervention during this time included supervised and home-based exercise. [Results]
Comparison of before and after intervention revealed that the rate of change in the W1
group was significantly higher than that in the M1 group in terms of the QOL,
lower-extremity muscle strength, and 6-minute walking distance. [Conclusion] Outpatient
pulmonary rehabilitation programs yielded greater improvements in the W1 group than in the
M1 group in terms of the QOL and exercise tolerance.
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Affiliation(s)
- Yuusuke Chigira
- Department of Physical Therapy, Faculty of Health Science, Takasaki University of Health and Welfare, Japan
| | - Tomoko Takai
- Department of Rehabilitation, Kanetsu Central Hospital, Japan
| | - Takahiro Oda
- Department of Rehabilitation, Kanetsu Central Hospital, Japan
| | - Kunio Dobashi
- Gunma University Graduate School of Health Sciences, Japan
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26
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Ishizuka T, Hisada T, Hatori M, Koike A, Hanabuchi K, Matsuzaki S, Kamide Y, Utsugi M, Aoki H, Yoshino R, Yanagitani N, Koga Y, Ono A, Kaira K, Sunaga N, Dobashi K, Tsuburai T, Akiyama K, Yamada M, Suzuki K, Mori M. Safety and efficacy of high-dose leukocytapheresis in patients with refractory asthma. Inflamm Res 2014; 63:789-96. [PMID: 25001341 DOI: 10.1007/s00011-014-0753-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2013] [Revised: 05/15/2014] [Accepted: 06/17/2014] [Indexed: 01/05/2023] Open
Abstract
OBJECTIVE AND DESIGN An open-label, non-randomized, single-arm study was performed to investigate the safety and efficacy of high-dose leukocytapheresis (pulse LCAP) for refractory asthma. SUBJECTS Six patients who fulfilled the ATS workshop criteria for refractory asthma were enrolled and completed this clinical study. TREATMENT After 4 weeks of observation, pulse LCAP using a large LCAP filter, Cellsorba(®) CS-180S, was performed twice with a 1-week interval at a target dose of 5 L per treatment session. METHODS The clinical response was assessed by monitoring the peak expiratory flow rate (PEFR) twice a day. The asthma control test (ACT) was used to evaluate the condition of asthma symptoms. The fraction of exhaled nitric oxide (FeNO) as a biomarker for eosinophilic airway inflammation was measured using a chemiluminescence analyzer. RESULTS PEFR in the morning or the evening and the sum total of the score on the ACT were increased after two consecutive sessions of pulse LCAP. FeNO decreased after pulse LCAP. CONCLUSIONS The results suggest the efficacy of pulse LCAP for refractory asthma.
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Affiliation(s)
- Tamotsu Ishizuka
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, 3-39-15 Showa-machi, Maebashi, 371-8511, Japan,
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27
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Shimizu Y, Shimoyama Y, Kawada A, Kusano M, Hosomi Y, Sekiguchi M, Kawata T, Horie T, Ishii Y, Yamada M, Dobashi K, Takise A. Gastrointestinal symptoms in idiopathic pulmonary fibrosis patients treated with pirfenidone and herbal medicine. J BIOL REG HOMEOS AG 2014; 28:433-442. [PMID: 25316130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Pirfenidone is an antifibrotic agent for patients with pulmonary fibrosis, but this drug has adverse gastrointestinal (GI) effects. The first aim of this study was to assess GI symptoms due to pirfenidone by using a new questionnaire for reflux symptoms and dismotility symptoms. Whether adding herbal medicine of rikkunshi-to improved GI symptoms due to pirfenidone therapy was also investigated. This was a randomized controlled trial performed on 17 IPF patients. The patients were assigned to two groups, and the study period was 8 weeks. The pirfenidone group received pirfenidone therapy for 8 weeks with add-on rikkunshi-to from 4 weeks, while the control group did not receive either of these agents. To assess the effects of RK, plasma levels of acyl-ghrelin and des-acyl-ghrelin, serum KL-6 and surfactant protein-D, and pulmonary function tests were monitored. GI symptoms were most severe during the initial 2 weeks of pirfenidone therapy at a dose of 600 mg/day. Both reflux symptoms and dismotility symptoms deteriorated. Rikkunshi-to improved GI symptoms to the level prior to pirfenidone therapy. Plasma levels of des-acyl-ghrelin and acyl-/des-acyl-ghrelin ratio changed significantly at 8 weeks compared to 2 weeks. GI adverse events due to PFD were most severe in the first 2 weeks of treatment at a dose of 600 mg/day, and both reflux and dismotility symptoms deteriorated, but the drug was well tolerated at 1200 mg/day. Rikkunshi-to contributed to improvement of GI symptoms, but plasma ghrelin levels did not reflect the improvement of GI symptoms.
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Affiliation(s)
- Y Shimizu
- Department of Respiratory Medicine, Maebashi Red Cross Hospital, Maebashi, Gunma, Japan
| | - Y Shimoyama
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
| | - A Kawada
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
| | - M Kusano
- Department of Endoscopy and Endoscopic Surgery, Gunma University Hospital Gastroenterology, Maebashi, Gunma, Japan
| | - Y Hosomi
- Clinical laboratory Center, Maebashi Red Cross Hospital, Maebashi, Gunma, Japan
| | - M Sekiguchi
- Clinical laboratory Center, Maebashi Red Cross Hospital, Maebashi, Gunma, Japan
| | - T Kawata
- Department of Respiratory Medicine, Maebashi Red Cross Hospital, Maebashi, Gunma, Japan
| | - T Horie
- Department of Respiratory Medicine, Maebashi Red Cross Hospital, Maebashi, Gunma, Japan
| | - Y Ishii
- Department of Pulmonary Medicine and Clinical Immunology, Dokkyo Medical University School of Medicine, Mibu, Tochigi, Japan
| | - M Yamada
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
| | - K Dobashi
- Gunma University School of Health Sciences, Maebashi, Gunma, Japan
| | - A Takise
- Department of Respiratory Medicine, Maebashi Red Cross Hospital, Maebashi, Gunma, Japan
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28
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Dobashi K. [Japanese guideline for diagnosis and management of occupational allergic diseases 2013 -occupational asthma-]. Arerugi 2014; 63:675-681. [PMID: 24865959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
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29
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Yoshimura C, Momose Y, Horie T, Komase Y, Niimi A, Dobashi K, Fujimoto K, Tohda Y, Ohta K, Adachi M. [Current status of "hospital-clinic" and "hospital-pharmacy" cooperation for inhalation therapy -based on hospital surveys throughout Japan]. Arerugi 2014; 63:178-186. [PMID: 24714183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Received: 09/18/2013] [Accepted: 02/03/2014] [Indexed: 06/03/2023]
Abstract
BACKGROUND The "zero death from asthma strategy" in the medical treatment for bronchial asthma has been promoted by the Ministry of Health, Labour, and Welfare from 2006, and it indicates that medical and non-medical specialists, as well as pharmacists, should cooperate, and strives to build cooperation which is suited the actual conditions of an area. It is also important for COPD. Although hospitals in some areas cooperate with clinics and pharmacies, the overall concept of cooperation appears to be absent in most Japanese hospitals. METHOD A questionnaire was administered in early March, 2012 to 477 allergology institutions, and was authorized by an educational establishment. RESULT Among 246 replies from the institutions, cooperation between hospitals and clinics was carried out by 98 institutions (39.8%) specializing in bronchial asthma, and in 64 institutions (37.2%) specializing in COPD. However, cooperation tools were used in only 37 of these institutions (15.0%). The ability to fill prescriptions outside the hospital was available in 209 institutions (85.0%). One-hundred and seventeen institutions (47.6%) replied that they have no tools for hospital-pharmacy cooperation. Direct indications were written in prescriptions by 82 institutions (33.3). CONCLUSION In order to build inter-regional association and to equalize medical treatment, we suggest that developing tools and organization for cooperation between health professionals who treat patients with bronchial asthma and COPD is necessary.
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Affiliation(s)
- Chie Yoshimura
- Respiratory Medicine, Osaka Red Cross Hospital, Osaka, Japan
| | - Yasuyuki Momose
- School of Pharmaceutial Sciences International University of Health and Welfare
| | - Takeo Horie
- Respiratory Medicine, Maebashi Red Cross Hospital, Maebashi, Gumma
| | - Yuko Komase
- Department of Respiratory Internal Medicine, St. Marianna University School of Medicine, Yokohama-city Seibu Hospital
| | - Akio Niimi
- Department of Medical Oncology and Immunology, Nagoya City University Graduate School of Medical Sciences
| | | | - Keisaku Fujimoto
- Departments of Clinical Laboratory Sciences, Shinshu University School of Health Sciences
| | - Yuuji Tohda
- The Department of Respiratory Medicine and Allergology, Kinki University, Faculty of Medicine
| | - Ken Ohta
- National Hospital Organization, Tokyo National Hospital
| | - Mitsuru Adachi
- International University of Health and Welfare, Clinical Medicine Study Center Department of Allergy, Sanno Hospital
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30
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Shimizu Y, Dobashi K, Sano T, Yamada M. Rock Activation in Lung of Idiopathic Pulmonary Fibrosis with Oxidative Stress. Int J Immunopathol Pharmacol 2014; 27:37-44. [DOI: 10.1177/039463201402700106] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Affiliation(s)
- Y. Shimizu
- Department of Respiratory Medicine, Maebashi Red Cross Hospital, Maebashi, Gunma, Japan
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
| | - K. Dobashi
- Gunma University Faculty of Health Science, Maebashi, Gunma, Japan
| | - T. Sano
- Department of Diagnostic Pathology, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
| | - M. Yamada
- Department of Respiratory Medicine, Maebashi Red Cross Hospital, Maebashi, Gunma, Japan
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31
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Aoki H, Mogi C, Hisada T, Nakakura T, Kamide Y, Ichimonji I, Tomura H, Tobo M, Sato K, Tsurumaki H, Dobashi K, Mori T, Harada A, Yamada M, Mori M, Ishizuka T, Okajima F. Proton-sensing ovarian cancer G protein-coupled receptor 1 on dendritic cells is required for airway responses in a murine asthma model. PLoS One 2013; 8:e79985. [PMID: 24244587 PMCID: PMC3823589 DOI: 10.1371/journal.pone.0079985] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2013] [Accepted: 10/07/2013] [Indexed: 01/17/2023] Open
Abstract
Ovarian cancer G protein-coupled receptor 1 (OGR1) stimulation by extracellular protons causes the activation of G proteins and subsequent cellular functions. However, the physiological and pathophysiological roles of OGR1 in airway responses remain largely unknown. In the present study, we show that OGR1-deficient mice are resistant to the cardinal features of asthma, including airway eosinophilia, airway hyperresponsiveness (AHR), and goblet cell metaplasia, in association with a remarkable inhibition of Th2 cytokine and IgE production, in an ovalbumin (OVA)-induced asthma model. Intratracheal transfer to wild-type mice of OVA-primed bone marrow-derived dendritic cells (DCs) from OGR1-deficient mice developed lower AHR and eosinophilia after OVA inhalation compared with the transfer of those from wild-type mice. Migration of OVA-pulsed DCs to peribronchial lymph nodes was also inhibited by OGR1 deficiency in the adoption experiments. The presence of functional OGR1 in DCs was confirmed by the expression of OGR1 mRNA and the OGR1-sensitive Ca2+ response. OVA-induced expression of CCR7, a mature DC chemokine receptor, and migration response to CCR7 ligands in an in vitro Transwell assay were attenuated by OGR1 deficiency. We conclude that OGR1 on DCs is critical for migration to draining lymph nodes, which, in turn, stimulates Th2 phenotype change and subsequent induction of airway inflammation and AHR.
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Affiliation(s)
- Haruka Aoki
- Laboratory of Signal Transduction, Institute for Molecular and Cellular Regulation, Gunma University, Maebashi, Japan
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Chihiro Mogi
- Laboratory of Signal Transduction, Institute for Molecular and Cellular Regulation, Gunma University, Maebashi, Japan
| | - Takeshi Hisada
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Takashi Nakakura
- Laboratory of Signal Transduction, Institute for Molecular and Cellular Regulation, Gunma University, Maebashi, Japan
| | - Yosuke Kamide
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Isao Ichimonji
- Laboratory of Signal Transduction, Institute for Molecular and Cellular Regulation, Gunma University, Maebashi, Japan
| | - Hideaki Tomura
- Laboratory of Signal Transduction, Institute for Molecular and Cellular Regulation, Gunma University, Maebashi, Japan
| | - Masayuki Tobo
- Laboratory of Signal Transduction, Institute for Molecular and Cellular Regulation, Gunma University, Maebashi, Japan
| | - Koichi Sato
- Laboratory of Signal Transduction, Institute for Molecular and Cellular Regulation, Gunma University, Maebashi, Japan
| | - Hiroaki Tsurumaki
- Laboratory of Signal Transduction, Institute for Molecular and Cellular Regulation, Gunma University, Maebashi, Japan
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Kunio Dobashi
- Gunma University School of Health Sciences, Maebashi, Japan
| | - Tetsuya Mori
- Laboratory of Allergy and Immunology, Faculty of Pharmacy, Takasaki University of Health and Welfare, Takasaki, Japan
| | - Akihiro Harada
- Department of Cell Biology, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Masanobu Yamada
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Masatomo Mori
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Tamotsu Ishizuka
- Third Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Fukui, Japan
- * E-mail: (FO); (TI)
| | - Fumikazu Okajima
- Laboratory of Signal Transduction, Institute for Molecular and Cellular Regulation, Gunma University, Maebashi, Japan
- * E-mail: (FO); (TI)
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32
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Seki K, Hisada T, Kawata T, Kamide Y, Dobashi K, Yamada M, Mori M, Okajima F, Ishizuka T. Oxidative stress potentially enhances FcεRI-mediated leukotriene C4 release dependent on the late-phase increase of intracellular glutathione in mast cells. Biochem Biophys Res Commun 2013; 439:357-62. [PMID: 23998930 DOI: 10.1016/j.bbrc.2013.08.081] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2013] [Accepted: 08/23/2013] [Indexed: 11/25/2022]
Abstract
Cysteinyl leukotrienes (cysLTs), which include leukotriene C4 (LTC4), are the predominant class of LTs synthesized by mast cells. CysLTs can induce many of the abnormalities seen in asthma. LTC4 is generated by the conjugation of LTA4 with reduced glutathione (GSH) by LTC4 synthase. During screening of the effects of prostanoids on high-affinity IgE receptor (FcεRI)-mediated LTC4 release from mast cells, we realized that some prostanoids, including ONO-AE1-259-01 and ONO-AE-248, inhibited LTC4 release, which was associated with a decrease in the amount of intracellular total GSH. We ascertained that l-buthionine-S,R-sulfoximine (BSO), a selective inhibitor of glutamate-cysteine ligase, inhibited LTC4 release. In addition, cell-permeable GSH, the glutathione reduced form ethyl ester (GSH-OEt), enhanced LTC4 release in accordance with the change in intracellular total GSH. Depletion of intracellular total GSH induced by ONO-AE-248 or BSO enhanced FcεRI-mediated LTB4 release in contrast to LTC4. Oxidative stress contributes to many pathological conditions including asthma. GSH is a major soluble antioxidant and a cofactor for several detoxifying enzymes including GSH peroxidase. Exposure of mast cells to hydrogen peroxide (H2O2) or diamide to mimic oxidative stress unexpectedly increased rather than decreased the intracellular reduced GSH content as well as total GSH in the late phase (i.e., 24 or 48 h after exposure), which was accompanied by an increase in LTC4 release. In conclusion, FcεRI-mediated LTC4 release from mast cells is mainly regulated by the amount of intracellular GSH. In some cases, oxidative stress may induce a late-phase increase in intracellular GSH, resulting in enhanced LTC4 release from mast cells.
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Affiliation(s)
- Kaori Seki
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi 371-8511, Japan
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33
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Ono R, Hosomi A, Horie T, Onozato J, Hashita T, Araki T, Iizuka K, Nakamura T, Yamamoto K, Dobashi K. OHP-012 Assessment of Unified Inhalation Guidance Documents For Different Inhalers and the Influence of Age on Inhalation Technique. Eur J Hosp Pharm 2013. [DOI: 10.1136/ejhpharm-2013-000276.386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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34
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Hosomi A, Ono R, Horie T, Hashita T, Araki T, Iizuka K, Nakamura T, Dobashi K, Yamamoto K. CPC-050 Evaluation of a Unified Inhalation Instructional System in Cooperation with Physicians, Hospital Pharmacists and Community Pharmacists. Eur J Hosp Pharm 2013. [DOI: 10.1136/ejhpharm-2013-000276.507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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35
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Shimizu Y, Dobashi K. Proton ion-microbeam elemental analysis for inhaled particle-induced pulmonary diseases: application for diagnosis and assessment of progression. Curr Med Chem 2013; 20:789-793. [PMID: 23244523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2012] [Revised: 12/04/2012] [Accepted: 12/12/2012] [Indexed: 06/01/2023]
Abstract
Elemental analysis can be applied in the medical field to investigate the causes of disease. In patients with some pulmonary diseases, elements can be found in the exogenous dust deposited in the lungs and are also accumulated through the loss of cell homeostasis. Diseases induced by inhalation of dust typically affect the lungs. Although there are many pulmonary diseases induced by dust inhalation, it is often difficult to clarify the exact cause. In-air microparticle induced X-ray emission (in-air micro-PIXE) analysis is a method of elemental analysis that employs a proton ion-beam to directly measure the content of elements and their distribution in frozen sections or paraffin sections of tissue. We constantly inhale particles while breathing, but most of us do not develop pulmonary disease. Because in-air micro-PIXE analysis can determine the two-dimensional localization and content of particles in tissue, we can clarify the relationship between inhaled particles and diseases based on such analysis and the immunohistochemical expression of disease-related proteins. Elemental analysis methods like in-air micro-PIXE analysis may be useful for making precise diagnosis amd assesing disease progression to overcome threat such as occupational or environmental exposure.
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Affiliation(s)
- Y Shimizu
- Department of Pulmonary Medicine, Maebashi Red Cross Hospital, 3-21-36 Asahi-cho, Maebashi, Gunma 371-0014, Japan.
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36
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Shimizu Y, Dobashi K. Proton Ion-Microbeam Elemental Analysis for Inhaled Particle-Induced Pulmonary Diseases: Application for Diagnosis and Assessment of Progression. Curr Med Chem 2013. [DOI: 10.2174/0929867311320060005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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37
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Shimizu Y, Dobashi K. Proton Ion-Microbeam Elemental Analysis for Inhaled Particle-Induced Pulmonary Diseases: Application for Diagnosis and Assessment of Progression. Curr Med Chem 2013. [DOI: 10.2174/092986713805076667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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38
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Abstract
Research into occupational asthma (OA) in Japan has been led by the Japanese Society of Occupational and Environmental Allergy. The first report about allergic OA identified konjac asthma. After that, many kinds of OA have been reported. Cases of some types of OA, such as konjac asthma and sea squirt asthma, have been dramatically reduced by the efforts of medical personnel. Recently, with the development of new technologies, chemical antigen-induced asthma has increased in Japan. Due to advances in anti-asthma medication, control by medical treatment tends to be emphasized and the search for causative antigens seems to be neglected. Furthermore, we do not have a Japanese guideline for diagnosis and management of OA. This article discusses the current state of OA in Japan.
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Affiliation(s)
- Kunio Dobashi
- Gunma University School of Health Sciences, Maebashi, Gunma 371-8514, Japan
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39
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Arai K, Ogawara H, Ide N, Sato Y, Ushiki K, Inoue M, Shizuka R, Kobayashi Y, Hayakawa M, Murakami M, Harasawa H, Dobashi K, Murakami H. [Improvement in peripheral blood T cell subset imbalance in a house with an elimination system for various allergens]. Rinsho Byori 2012; 60:414-421. [PMID: 22774569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
We analyzed the change of peripheral blood T cell subsets after moving into a house with a Healthy Air system (HAS) elimination system for various allergens, e.g. pollens, house dusts, etc. The 20 subjects were divided into an allergic group (13 subjects) and control group (7 subjects). We measured complete blood counts (CBC), white blood cell differentiation (DIFF), CD4/CD8 ratio, Th1/Th2 ratio, and percentage of CD4+CD25+T-cells and regulatory T-cells in peripheral blood, and these data were compared before and 3 and 6 months after moving into the HAS house. There was no significant difference in CBC, DIFF, CD4/CD8 ratio, and Th1/Th2 ratio before and after the move. The mean levels and 95% confidence interval of CD4+CD25+T-cells in the allergic group were as follows: before, 16.66% (12.99-20.34%); at 3 months, 13.86% (10.49-17.22%); and at 6 months, 12.66% (9.28-16.05%), respectively. Those in the control group were as follows: before, 13.60% (5.27-21.93%); at 3 months, 12.51%(5.41-19.61%); and at 6 months, 11.77% (3.93-19.61%), respectively. CD4+CD25+T-cells were significantly decreased at 6 months after the move compared to before the move in the allergic group (p < 0.01). However, there was no significant difference between before and after the move in the control group. The mean levels of regulatory T-cells were not different between before and after the move in both groups. The mean level of CD4+CD25+T-cells in subjects that had improved allergic condition was significantly decreased at 6 months after the move compared to before the move (p < 0.05). These results suggest that decreases in allergens in the home environment may affect lymphocyte subsets.
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Affiliation(s)
- Katsuya Arai
- Gunma University Graduate School of Health Sciences, Maebashi 371-8514, Japan
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40
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Shimizu Y, Dobashi K, Kusano M, Mori M. Different gastoroesophageal reflux symptoms of middle-aged to elderly asthma and chronic obstructive pulmonary disease (COPD) patients. J Clin Biochem Nutr 2012; 50:169-75. [PMID: 22448100 PMCID: PMC3303481 DOI: 10.3164/jcbn.11-75] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2011] [Accepted: 07/06/2011] [Indexed: 12/21/2022] Open
Abstract
Symptomatic differences and the impact of gastroesophageal reflux disease (GERD) have not been clarified in patients with asthma and chronic obstructive pulmonary disease (COPD). The purpose of this study is to assess the differences of GERD symptoms among asthma, COPD, and disease control patients, and determine the impact of GERD symptoms on exacerbation of asthma or COPD by using a new questionnaire for GERD. A total of 120 subjects underwent assessment with the frequency scale for the symptoms of GERD (FSSG) questionnaire, including 40 age-matched patients in each of the asthma, COPD, and disease control groups. Asthma and control patients had more regurgitation-related symptoms than COPD patients (p<0.05), while COPD patients had more dysmotility-related symptoms than asthma patients (p<0.01) or disease control patients (p<0.01). The most distinctive symptom of asthma patients with GERD was an unusual sensation in the throat, while bloated stomach was the chief symptom of COPD patients with GERD, and these symptoms were associated with disease exacerbations. The presence of GERD diagnosed by the total score of FSSG influences the exacerbation of COPD. GERD symptoms differed between asthma and COPD patients, and the presence of GERD diagnosed by the FSSG influences the exacerbation of COPD.
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Affiliation(s)
- Yasuo Shimizu
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, 3-39-15 Showa-machi, Maebashi, Gunma 371-8511, Japan
- Jobu Hospital for Respiratory Disease, 586-1 Taguchi-machi, Maebashi, Gunma 371-0048, Japan
- Department of Pulmonary Medicine, Maebashi Red Cross Hospital, 3-21-36 Asahi-cho Maebashi, Gunma 371-0014, Japan
| | - Kunio Dobashi
- Gunma University School of Health Sciences, 3-39-15 Showa-machi, Maebashi, Gunma 371-8511, Japan
| | - Motoyasu Kusano
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, 3-39-15 Showa-machi, Maebashi, Gunma 371-8511, Japan
| | - Masatomo Mori
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, 3-39-15 Showa-machi, Maebashi, Gunma 371-8511, Japan
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Shimizu Y, Matsuzaki S, Mori M, Dobashi K. Chronic exposure to particles caused bronchioloalveolar carcinoma in a patient with cryptogenic organizing pneumonia evaluated by elemental analysis. Immunopharmacol Immunotoxicol 2012; 34:170-3. [DOI: 10.3109/08923973.2011.587434] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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42
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Okuno Y, Miyasaka T, Dobashi K. Factors Influencing the Outcome of Acute Rehabilitation: Functional Independence Measure Assessment at Discharge. J Phys Ther Sci 2012. [DOI: 10.1589/jpts.24.491] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Affiliation(s)
- Yukako Okuno
- Department of Rehabilitation, Kan-etsu Chuo Hospital
- Department of Physical Therapy, Faculty of Health Sciences, Uekusa Gakuen University
| | - Tomoya Miyasaka
- Department of Physical Therapy, Faculty of Health Sciences, Uekusa Gakuen University
| | - Kunio Dobashi
- Department of Physical Therapy, Faculty of Health Sciences, Uekusa Gakuen University
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Shimizu Y, Matsuzaki S, Satoh T, Koka M, Yokoyama A, Ohkubo T, Ishii Y, Kamiya T, Fueki M, Mori M, Dobashi K. In-air microparticle induced X-ray emission analysis of particles in interstitial pneumonia lung tissue obtained by transbronchial biopsy. J Clin Biochem Nutr 2011; 49:125-30. [PMID: 21980229 PMCID: PMC3171686 DOI: 10.3164/jcbn.10-127] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2010] [Accepted: 01/19/2011] [Indexed: 11/22/2022] Open
Abstract
Interstitial pneumonia develops in association with inhaled particles. In-air microparticle induced X-ray emission (in-air micro) analysis was previously employed to assess the spatial distribution and content of particles in surgical lung biopsy specimens. The aim of this study was to assess the efficacy of in-air micro-analysis for transbronchial lung biopsy specimens in patients with or without occupational exposure. The elements composing lung particles and their locations could be identified by in-air micro-analysis. Silicon was the major component of particles. Quantitative analysis revealed that the elements composing lung particles varied between patients. In a patient with suspected nickel exposure, aluminium, vanadium, and calcium were detected, but was not detected. In a patient without a work history (housewife), various elements were detected. In-air micro-analysis was useful for assessing the spatial distribution and content of particles in specimens from patients. Occupational exposure was not necessarily associated with deposition of particles in the lungs. Therefore, in the diagnosis of, elemental analysis of specimens by in-air micro-analysis could be useful for assessing exposure to particles objectively.
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Affiliation(s)
- Yasuo Shimizu
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, 3-39-15 Showa-machi, Maebashi, Gunma 371-8511, Japan
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44
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Ishizuka T, Matsuzaki S, Aoki H, Yatomi M, Kamide Y, Hisada T, Tsuburai T, Dobashi K, Ohshima K, Akiyama K, Mori M. Prevalence of asthma symptoms based on the European Community Respiratory Health Survey questionnaire and FENO in university students: gender differences in symptoms and FENO. Allergy Asthma Clin Immunol 2011; 7:15. [PMID: 21923950 PMCID: PMC3193803 DOI: 10.1186/1710-1492-7-15] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2011] [Accepted: 09/19/2011] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The fractional concentration of nitric oxide in exhaled air (FENO) is used as a biomarker of eosinophilic airway inflammation. FENO is increased in patients with asthma. The relationship between subjective asthma symptoms and airway inflammation is an important issue. We expected that the subjective asthma symptoms in women might be different from those in men. Therefore, we investigated the gender differences of asthma symptoms and FENO in a survey of asthma prevalence in university students. METHODS The information about asthma symptoms was obtained from answers to the European Community Respiratory Health Survey (ECRHS) questionnaire, and FENO was measured by an offline method in 640 students who were informed of this study and consented to participate. RESULTS The prevalence of asthma symptoms on the basis of data obtained from 584 students (266 men and 318 women), ranging in age from 18 to 24 years, was analyzed. Wheeze, chest tightness, an attack of shortness of breath, or an attack of cough within the last year was observed in 13.2% of 584 students. When 38.0 ppb was used as the cut-off value of FENO to make the diagnosis of asthma, the sensitivity was 86.8% and the specificity was 74.0%. FENO was ≥ 38.0 ppb in 32.7% of students. FENO was higher in men than in women. The prevalence of asthma symptoms estimated by considering FENO was 7.2%; the prevalence was greater in men (9.4%) than women (5.3%). A FENO ≥ 38.0 ppb was common in students who reported wheeze, but not in students, especially women, who reported cough attacks. CONCLUSIONS The prevalence of asthma symptoms in university students age 18 to 24 years in Japan was estimated to be 7.2% on the basis of FENO levels as well as subjective symptoms. Gender differences were observed in both FENO levels and asthma symptoms reflecting the presence of eosinophilic airway inflammation. TRIAL REGISTRATION NUMBER UMIN000003244.
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Affiliation(s)
- Tamotsu Ishizuka
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, 3-39-15 Showa-machi, Maebashi 371-8511, Japan.
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45
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Kamide Y, Utsugi M, Dobashi K, Ono A, Ishizuka T, Hisada T, Koga Y, Uno K, Hamuro J, Mori M. Intracellular glutathione redox status in human dendritic cells regulates IL-27 production and T-cell polarization. Allergy 2011; 66:1183-92. [PMID: 21545428 DOI: 10.1111/j.1398-9995.2011.02611.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND Glutathione redox status, changes in intracellular reduced (GSH) or oxidized (GSSG) glutathione, plays a significant role in various aspects of cellular function. In this study, we examined whether intracellular glutathione redox status in human dendritic cells (DCs) regulates the polarization of Th1/Th2 balance. METHODS Human monocyte-derived DCs (MD-DCs) treated with glutathione reduced form ethyl ester (GSH-OEt) or L-buthionine-(S,R)-sulfoximine (BSO) were stimulated by lipopolysaccharide (LPS), and the levels of polarization cytokines were measured. Next, DCs matured by LPS or thymic stromal lymphopoietin (TSLP) were cocultured with allogeneic CD4(+) naive T cells and Th1/Th2 balance was evaluated by cytokine production from the primed T cells. RESULTS Monocyte-derived DCs exposed to GSH-OEt and BSO had increased and decreased intracellular GSH contents, respectively. Lipopolysaccharide-induced interleukin (IL)-27 production was enhanced by GSH-OEt and suppressed by BSO, but neither GSH-OEt nor BSO affected the expression of HLA-DR, CD80, CD83, or CD86. Mature GSH-OEt-treated MD-DCs enhanced interferon (IFN)-γ production from CD4(+) T cells compared with nontreated MD-DCs, and small interfering RNA (siRNA) against IL-27 suppressed the effect of GSH-OEt on IFN-γ production. Additionally, although human myeloid DCs activated by TSLP (TSLP-DCs) prime naïve CD4(+) T cells to differentiate into Th2 cells, treatment of TSLP-DCs with GSH-OEt reduced IL-13 production and enhanced IFN-γ production by CD4(+) T cells. Interleukin-27 siRNA attenuated the inhibitory effect of GSH-OEt on Th2 polarization. CONCLUSION Our results reveal that Th1 and Th2 responses are controlled by intracellular glutathione redox status in DCs through IL-27 production.
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Affiliation(s)
- Y Kamide
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, 3-39-15 Showa-machi, Maebashi, Gunma, Japan
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Shimizu Y, Dobashi K, Yoshikawa Y, Yabe S, Higuchi S, Koike Y, Mita Y, Utsugi M, Endou K, Takahashi K, Watanabe S, Saito R, Mori M. Five-antituberculosis Drug-resistance Genes Detection Using Array System. J Clin Biochem Nutr 2011; 42:228-34. [PMID: 18545645 PMCID: PMC2386526 DOI: 10.3164/jcbn.2008033] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2007] [Accepted: 10/29/2007] [Indexed: 11/25/2022] Open
Abstract
Detection of resistance to drugs for Mycobacterium tuberculosis takes about two months from the sample collection using culture-based methods. To test a rapid method for detection of resistance for five antituberculosis drugs using DNA microarray and to examine its potential for clinical use, we employed a DNA microarray for detection of seven mutations genes related to resistance of five kinds of antituberculous drugs using Mycobacterium tuberculosis DNA isolated from sputum. The results of microarray analysis were compared with the results of a standard culture method of Lowenstein-jensen drug sensitivity testing system. DNA microarray analysis showed a high sensitivity (>90%) for all five drugs. Specificity of rifampicin and ethambutol were nearly 90%, however specificity of isoniazid (60%) and kanamycin (67%) were not enough. The amount of Mycobacterium tuberculosis DNA required for microarray analysis corresponded to at least 1–9 Acid-Fast Bacilli per 10 fields by carbolfuchsin staining. DNA microarray analysis appears to be useful for estimation of drug resistances, nevertheless its limitations. To minimize misunderstanding, it is necessary to confirm the number of bacilli in the sputum, and culture method is needed for comparison when use the PCR-based array system.
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Affiliation(s)
- Yasuo Shimizu
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Gunma 371-8511, Japan
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Shimizu Y, Dobashi K, Mori M. Exhaled breath marker in asthma patients with gastroesophageal reflux disease. J Clin Biochem Nutr 2011; 41:147-53. [PMID: 18299708 PMCID: PMC2243245 DOI: 10.3164/jcbn.2007020] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2007] [Accepted: 06/21/2007] [Indexed: 01/14/2023] Open
Abstract
Prevention of acid is important in gastroesophageal reflex disease (GERD)-related asthma therapy. Proton pump inhibitors (PPI) and H2-receptor blockers have been reported as useful therapies for improving asthma symptoms. GERD prevalence is high in asthma; however, methods for validating GERD existence based on questionnaire, endoscopic examination and 24h-pH monitoring do not directly determine GERD influence on the airway. Exhaled breath condensate analysis is a novel and non-invasive tool for assessing information directly from the airway. Breath collected by cooling can be applied to pH, 8-isoprostane and cytokine analysis in patients with GERD-related asthma, and the pH and 8-isoprostane levels have been shown to reflect the effects of PPI therapy in these patients. Although the analysis of cooled breath has not yet been established in a clinical setting, this method is expected to provide a novel tool for monitoring airway acidification associated with GERD.
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Affiliation(s)
- Yasuo Shimizu
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, 3-39-15 Showa-machi, Maebashi, Gunma 371-8511, Japan
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48
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Shimizu Y, Matsuzaki S, Dobashi K, Yanagitani N, Satoh T, Koka M, Yokoyama A, Ohkubo T, Ishii Y, Kamiya T, Mori M. Elemental analysis of lung tissue particles and intracellular iron content of alveolar macrophages in pulmonary alveolar proteinosis. Respir Res 2011; 12:88. [PMID: 21718529 PMCID: PMC3141423 DOI: 10.1186/1465-9921-12-88] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2011] [Accepted: 06/30/2011] [Indexed: 11/29/2022] Open
Abstract
Background Pulmonary alveolar proteinosis (PAP) is a rare disease occurred by idiopathic (autoimmune) or secondary to particle inhalation. The in-air microparticle induced X-ray emission (in-air micro-PIXE) system performs elemental analysis of materials by irradiation with a proton microbeam, and allows visualization of the spatial distribution and quantitation of various elements with very low background noise. The aim of this study was to assess the secondary PAP due to inhalation of harmful particles by employing in-air micro-PIXE analysis for particles and intracellular iron in parafin-embedded lung tissue specimens obtained from a PAP patient comparing with normal lung tissue from a non-PAP patient. The iron inside alveolar macrophages was stained with Berlin blue, and its distribution was compared with that on micro-PIXE images. Results The elements composing particles and their locations in the PAP specimens could be identified by in-air micro-PIXE analysis, with magnesium (Mg), aluminum (Al), silicon (Si), phosphorus (P), sulfur (S), scandium (Sc), potassium (K), calcium (Ca), titanium (Ti), chromium (Cr), copper (Cu), manganase (Mn), iron (Fe), and zinc (Zn) being detected. Si was the major component of the particles. Serial sections stained by Berlin blue revealed accumulation of sideromacrophages that had phagocytosed the particles. The intracellular iron content of alveolar macrophage from the surfactant-rich area in PAP was higher than normal lung tissue in control lung by both in-air micro-PIXE analysis and Berlin blue staining. Conclusion The present study demonstrated the efficacy of in-air micro-PIXE for analyzing the distribution and composition of lung particles. The intracellular iron content of single cells was determined by simultaneous two-dimensional and elemental analysis of paraffin-embedded lung tissue sections. The results suggest that secondary PAP is associated with exposure to inhaled particles and accumulation of iron in alveolar macrophages.
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Affiliation(s)
- Yasuo Shimizu
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, 3-39-15 Showa-machi, Maebashi, Gunma 371-8511, Japan.
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Shimizu Y, Dobashi K, Fueki N, Fueki M, Okada T, Tomioka S, Makino S, Mori M. Changes of immunomodulatory cytokines associated with omalizumab therapy for severe persistent asthma. J BIOL REG HOMEOS AG 2011; 25:177-186. [PMID: 21880206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Omalizumab is an anti-IgE monoclonal antibody that was proven effective for the treatment of severe asthma. IgE plays a central role in allergic asthma, and an anti-allergic effect of omalizumab has been confirmed in terms of its impact on Th2 cytokines. The objective of the present study is to determine the influence of omalizumab on clinical parameters and circulating immuoregulatory cytokines. Patients with severe allergic asthma were enrolled and given four months of omalizumab therapy. Changes of symptoms and other parameters were assessed, including the asthma control test (ACT) score, morning peak expiratory flow (PEF), peripheral eosinophil count, total serum IgE, and pulmonary function tests. The use of corticosteroids and short-acting bronchodilators, as well as the number of unscheduled hospital visits, were monitored. Circulating levels of cytokines were analyzed with a multiplex cytokine immunoassay in patients with or without omalizumab therapy. Asthma symptoms (evaluated by the ACT score and morning PEF) improved with omalizumab treatment, while total IgE was elevated. Use of corticosteroids and short-acting bronchodilators and the number of unscheduled hospital visits for exacerbation of asthma were all reduced by omalizumab treatment. The level of macrophage inflammatory protein 1-δ (MIP1-δ) was significantly reduced after omalizumab therapy and was high in patients without omalizumab. IL-16 also tended to decrease with omalizumab therapy. Both MIP1-δ and IL-16 decreased as asthma improved over the 4-month period of omalizumab therapy. These findings suggest that omalizumab may act via IgE-mediated immunoregulation of MIP1-δ and IL-16.
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Affiliation(s)
- Y Shimizu
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan.
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Shimizu Y, Matsuzaki S, Satoh T, Ohkubo T, Yokoyama A, Ishii Y, Kamiya T, Arakawa K, Shimizu K, Tanaka S, Mori M, Dobashi K. Influence of tissue particles on Fas expression in idiopathic interstitial pneumonia. Front Biosci (Elite Ed) 2011; 3:65-73. [PMID: 21196285 DOI: 10.2741/e220] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Idiopathic interstitial pneumonia (IIP) is a progressive fibrosing interstitial pneumonia of unknown etiology with a poor prognosis. The aim of this study is to prove the occurrence of particle deposition and particle-induced tissue damage in IIP by examining proapoptotic Fas expression with in-air microparticle induced X-ray emission (in-air micro-PIXE) analysis. A total of 21 patients were enrolled. Lung tissues from 12 IIP patients and nontumorous lung tissues from 9 lung cancer patients (as a control) were subjected to in-air micro-PIXE analysis. The distribution of particles in lung tissue was compared with the localization of Fas expression by immunohistochemistry. Silicon (Si) was identified in 58.3% of IIP samples and 44.4% of control samples. Iron (Fe) was identified 25% in IIP samples and 11.1% in control samples. The mean lung tissue content of Si and Fe relative to S did not differ between IIP and control patients. Only two IIP patients showed the co-localization of Si and Fe deposition with Fas expression. Adaptation of this method would contribute to assess the influence of particles on IIP.
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Affiliation(s)
- Yasuo Shimizu
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan.
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