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Furue M, Ishii Y, Tsukimori K, Tsuji G. Aryl Hydrocarbon Receptor and Dioxin-Related Health Hazards-Lessons from Yusho. Int J Mol Sci 2021; 22:ijms22020708. [PMID: 33445793 PMCID: PMC7828254 DOI: 10.3390/ijms22020708] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 01/08/2021] [Accepted: 01/09/2021] [Indexed: 12/15/2022] Open
Abstract
Poisoning by high concentrations of dioxin and its related compounds manifests variable toxic symptoms such as general malaise, chloracne, hyperpigmentation, sputum and cough, paresthesia or numbness of the extremities, hypertriglyceridemia, perinatal abnormalities, and elevated risks of cancer-related mortality. Such health hazards are observed in patients with Yusho (oil disease in Japanese) who had consumed rice bran oil highly contaminated with 2,3,4,7,8-pentachlorodibenzofuran, polychlorinated biphenyls, and polychlorinated quaterphenyls in 1968. The blood concentrations of these congeners in patients with Yusho remain extremely elevated 50 years after onset. Dioxins exert their toxicity via aryl hydrocarbon receptor (AHR) through the generation of reactive oxygen species (ROS). In this review article, we discuss the pathogenic implication of AHR in dioxin-induced health hazards. We also mention the potential therapeutic use of herbal drugs targeting AHR and ROS in patients with Yusho.
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Affiliation(s)
- Masutaka Furue
- Research and Clinical Center for Yusho and Dioxin, Kyushu University Hospital, Fukuoka 812-8582, Japan;
- Department of Dermatology, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
- Correspondence: ; Tel.: +81-92-642-5581; Fax: +81-92-642-5600
| | - Yuji Ishii
- Division of Pharmaceutical Cell Biology, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-8582, Japan;
| | - Kiyomi Tsukimori
- Department of Obstetrics, Perinatal Center, Fukuoka Children’s Hospital, Fukuoka 813-0017, Japan;
| | - Gaku Tsuji
- Research and Clinical Center for Yusho and Dioxin, Kyushu University Hospital, Fukuoka 812-8582, Japan;
- Department of Dermatology, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
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Anh LT, Kido T, Honma S, Manh HD, Koike I, Oyama Y, Phuc HD, Okamoto R, Nakagawa H, Nakayama SF, Nhu DD, Minh NH, Toan NV, Son LK. A relationship in adrenal androgen levels between mothers and their children from a dioxin-exposed region in Vietnam. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 607-608:32-41. [PMID: 28686893 DOI: 10.1016/j.scitotenv.2017.06.264] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Revised: 06/29/2017] [Accepted: 06/29/2017] [Indexed: 06/07/2023]
Abstract
Over the past decades, southern Vietnam has been burdened by dioxins from contaminated herbicides sprayed during the Vietnam War. In a previous study, we found that dioxin exposure decreased levels of salivary dehydroepiandrosterone (DHEA), an adrenal androgen, in 3-year-old children. In present study, to assess the relationship between adrenal hormones disruption in lactating mothers and in children, we compared mother-child pairs from dioxin- and nondioxin-contaminated regions. In 2010 and 2011, mother-child pairs from a dioxin hotspot region (n=37) and a non-contaminated region (n=47) were recruited and donated breast milk and serum samples for dioxin and steroid hormones determination. Mothers were 20-30years old and had given birth to their first child between 4 and 16weeks previously. One year later, saliva samples were collected from the children. Dioxin levels in breast milk were determined by gas chromatography/high-resolution mass spectrometry. Salivary DHEA, cortisol in children and androstenedione (A-dione), estradiol, cortisol, and DHEA in maternal serum were analyzed by liquid chromatography/tandem mass spectrometry. Concentrations of dioxin congeners in the hotspot region were 2- to 5-fold higher than in samples from the non-contaminated region. Salivary DHEA levels in children and serum A-dione levels in mothers were significantly higher in the hotspot region; no difference was found in the levels of other hormones. Moreover, there was a significant positive correlation between the elevated hormone levels in mothers and children (r=0.62, p<0.001). Several dioxin congeners exhibited strong significant dose-response relationships with salivary DHEA and serum A-dione levels. Our findings suggest that dioxin disrupts adrenal androgens in mothers and breastfeeding children through the same mechanism.
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Affiliation(s)
- Le Thai Anh
- Division of Health Science, Graduate School of Medical Science, Kanazawa University, 5-11-80 Kodatsuno, Kanazawa, Japan
| | - Teruhiko Kido
- Faculty of Health Sciences, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, 5-11-80 Kodatsuno, Kanazawa, Japan.
| | - Seijiro Honma
- Faculty of Health Sciences, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, 5-11-80 Kodatsuno, Kanazawa, Japan
| | - Ho Dung Manh
- Division of Health Science, Graduate School of Medical Science, Kanazawa University, 5-11-80 Kodatsuno, Kanazawa, Japan; Faculty of Pharmacy, Lac Hong University, No. 10 Huynh Van Nghe, Buu Long, Bien Hoa, Dong Nai, Viet Nam
| | - Ikue Koike
- Division of Health Science, Graduate School of Medical Science, Kanazawa University, 5-11-80 Kodatsuno, Kanazawa, Japan
| | - Yuko Oyama
- Division of Health Science, Graduate School of Medical Science, Kanazawa University, 5-11-80 Kodatsuno, Kanazawa, Japan
| | - Hoang Duc Phuc
- Division of Health Science, Graduate School of Medical Science, Kanazawa University, 5-11-80 Kodatsuno, Kanazawa, Japan
| | - Rie Okamoto
- Faculty of Health Sciences, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, 5-11-80 Kodatsuno, Kanazawa, Japan
| | - Hideaki Nakagawa
- Department of Epidemiology and Public Health, Kanazawa Medical University, 1-1 Daigaku, Uchinada, Japan
| | - Shoji F Nakayama
- Center for Health and Environmental Risk Research, National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Japan
| | - Dang Duc Nhu
- School of Medicine and Pharmacy, Vietnam National University, Hanoi, Viet Nam
| | - Nguyen Hung Minh
- Dioxin Laboratory, Centre for Environment Monitoring, Vietnam Environment Administration, No. 556 Nguyen Van Cu, Long Bien, Hanoi, Viet Nam
| | - Ngo Van Toan
- Hanoi Medical University, No. 1 Ton That Tung, Dong Da, Hanoi, Viet Nam
| | - Le Ke Son
- Environment Administration, Ministry of Natural Resources and Environment, No. 10 Ton That Thuyet, Cau Giay, Hanoi, Viet Nam
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Kawajiri K, Fujii-Kuriyama Y. The aryl hydrocarbon receptor: a multifunctional chemical sensor for host defense and homeostatic maintenance. Exp Anim 2016; 66:75-89. [PMID: 27980293 PMCID: PMC5411294 DOI: 10.1538/expanim.16-0092] [Citation(s) in RCA: 91] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
The aryl hydrocarbon receptor (AHR) is a pivotal chemical sensor that transduces
extrinsic and intrinsic signals into cellular responses. AHR was originally thought to be
involved in not only drug metabolism but also carcinogenic and toxicological responses
against environmental contaminants, such as
2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) and polycyclic aromatic
hydrocarbons. However, recent studies demonstrate that the AHR plays multiple intrinsic
roles in host defense and homeostasis as well, including immunity, stem cell maintenance,
and cell differentiation, upon binding with an increasing number of newly defined dietary,
cellular, and microbe-derived ligands. In addition, AHR is a convergence point for several
signaling cascades, which may be involved in the diverse diseases caused by binding of the
persistent ligand TCDD with extremely high affinity to AHR. A comprehensive understanding
of physiological and pathological processes initiated by endogenous AHR agonists and
antagonists may allow for the therapeutic regulation of AHR activity. Thus, the AHR can be
a valuable diagnostic marker and therapeutic target for human diseases.
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Affiliation(s)
- Kaname Kawajiri
- Research Institute for Clinical Oncology, Saitama Cancer Center, 818 Komuro, Ina-machi, Saitama 362-0806, Japan
| | - Yoshiaki Fujii-Kuriyama
- Medical Research Institute, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8510, Japan
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Mitoma C, Uchi H, Tsukimori K, Yamada H, Akahane M, Imamura T, Utani A, Furue M. Yusho and its latest findings-A review in studies conducted by the Yusho Group. ENVIRONMENT INTERNATIONAL 2015; 82:41-8. [PMID: 26010306 DOI: 10.1016/j.envint.2015.05.004] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2015] [Revised: 05/10/2015] [Accepted: 05/14/2015] [Indexed: 05/20/2023]
Abstract
The Yusho incident is an unprecedented mass food poisoning that occurred in Japan in 1968. It was caused by the ingestion of rice bran oil contaminated with polychlorinated biphenyls (PCBs) and various dioxins and dioxin-like compounds, such as polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs). The victims of Yusho have suffered from characteristic skin manifestations associated with systemic, ophthalmological, and mucosal symptoms for a long period of time. The Study Group of Yusho (the Yusho Group) has been conducting annual medical check-ups on Yusho victims for more than 45years. Since 2002, when concentrations of dioxins in the blood of Yusho patients started to be measured, the pharmacokinetics of dioxins, relationship between blood levels of dioxins and symptoms/signs in patients directly exposed to dioxins, and the adverse effects on the next generation have become dramatically clear. Herein we review recent findings of studies conducted by the Yusho Group to evaluate chronic dioxin-induced toxicity to the next generation as well as Yusho patients in comparison with a similar food mass poisoning, the Yucheng incident. Additionally, we summarized basic studies carried out by the Yusho Group to re-evaluate the mechanisms of dioxin toxicities in experimental models and various functions of the aryl hydrocarbon receptor (AhR), known as the dioxin receptor, pathway.
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Affiliation(s)
- Chikage Mitoma
- Research and Clinical Center for Yusho and Dioxin, Kyushu University Hospital, Fukuoka, Japan.
| | - Hiroshi Uchi
- Department of Dermatology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Kiyomi Tsukimori
- Department of Obstetrics, Fukuoka Children's Hospital, Fukuoka, Japan
| | - Hideyuki Yamada
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Manabu Akahane
- Health Management and Policy, Department of Public Health, School of Medicine, Nara Medical University, Nara, Japan
| | - Tomoaki Imamura
- Health Management and Policy, Department of Public Health, School of Medicine, Nara Medical University, Nara, Japan
| | - Atsushi Utani
- Department of Dermatology, Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
| | - Masutaka Furue
- Research and Clinical Center for Yusho and Dioxin, Kyushu University Hospital, Fukuoka, Japan; Department of Dermatology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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Tsukimori K, Uchi H, Furue M. Response to: Letter to the Editor: Blood levels of PCDDs, PCDFs, and coplanar PCBs in Yusho mothers and their descendants: Association with fetal Yusho disease. CHEMOSPHERE 2015; 133:105. [PMID: 25639916 DOI: 10.1016/j.chemosphere.2015.01.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2014] [Accepted: 01/09/2015] [Indexed: 06/04/2023]
Affiliation(s)
- Kiyomi Tsukimori
- Department of Obstetrics, Fukuoka Children's Hospital, Fukuoka, Japan.
| | - Hiroshi Uchi
- Research and Clinical Center for Yusho and Dioxin, Kyushu University Hospital, Fukuoka, Japan
| | - Masutaka Furue
- Research and Clinical Center for Yusho and Dioxin, Kyushu University Hospital, Fukuoka, Japan
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Nagayama J. Letter to the Editor Re: Blood levels of PCDDs, PCDFs, and coplanar PCBs in Yusho mothers and their descendants: Association with fetal Yusho disease. CHEMOSPHERE 2015; 133:103-104. [PMID: 25661280 DOI: 10.1016/j.chemosphere.2015.01.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2014] [Revised: 01/10/2015] [Accepted: 01/10/2015] [Indexed: 06/04/2023]
Affiliation(s)
- Junya Nagayama
- Laboratory of Environmental Molecular Epidemiology, Kyushu University, Graduate School of Medical Sciences retd, 3-1-1, Maidashi, Hgashi-ku, Fukuoka 812-8182, Japan.
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Nagayama J. Correspondence to the Editor Re: maternal exposure to high levels of dioxins in relation to birth weight in women affected by Yusho disease. ENVIRONMENT INTERNATIONAL 2015; 74:304. [PMID: 25454247 DOI: 10.1016/j.envint.2014.10.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Accepted: 10/15/2014] [Indexed: 06/04/2023]
Affiliation(s)
- Junya Nagayama
- Laboratory of Environmental Molecular Epidemiology, Kyushu University Graduate School of Medical Sciences retd, 3-1-1, Maidashi, Higashi-ku, Fukuoka 812-8182, Japan.
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Role of AhR/ARNT system in skin homeostasis. Arch Dermatol Res 2014; 306:769-79. [PMID: 24966027 PMCID: PMC4220966 DOI: 10.1007/s00403-014-1481-7] [Citation(s) in RCA: 118] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2014] [Revised: 04/27/2014] [Accepted: 05/22/2014] [Indexed: 11/04/2022]
Abstract
Aryl hydrocarbon receptor (AhR) is a ligand-dependent transcription factor that binds to structurally diverse synthetic and naturally occurring chemicals including dioxins, flavonoids, tryptophan photoproducts, and Malassezia metabolites. Upon binding to its ligands, cytoplasmic AhR translocates to the nucleus, heterodimerizes with aryl hydrocarbon receptor nuclear translocator (ARNT), and mediates numerous biological and toxicological effects by inducing the transcription of various AhR-responsive genes. AhR ligation controls oxidation/antioxidation, epidermal barrier function, photo-induced response, melanogenesis, and innate immunity. This review summarizes recent advances in the understanding of the regulatory mechanisms of skin homeostasis mediated by the AhR/ARNT system.
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Tsukimori K, Uchi H, Tokunaga S, Yasukawa F, Chiba T, Kajiwara J, Hirata T, Furue M. Blood levels of PCDDs, PCDFs, and coplanar PCBs in Yusho mothers and their descendants: association with fetal Yusho disease. CHEMOSPHERE 2013; 90:1581-1588. [PMID: 22960060 DOI: 10.1016/j.chemosphere.2012.08.024] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2011] [Revised: 07/23/2012] [Accepted: 08/12/2012] [Indexed: 06/01/2023]
Abstract
Maternal exposure to polychlorinated dibenzo-p-dioxins (PCDDs), polychlorinated dibenzofurans (PCDFs), and polychlorinated biphenyls (PCBs) may result in adverse health effects in their children. In Japan in 1968, an accidental human exposure to rice oil contaminated with PCDDs, PCDFs, and PCBs, led to the development of Yusho disease. Yusho mothers delivered descendants with low birth weights and hyperpigmented skin and mucosa, which are characteristic of fetal Yusho disease (FYD). The Yusho cohort was used to evaluate the effect of maternal exposure to PCDDs, PCDFs, and PCBs on the development of FYD. Blood samples, obtained from 64 Yusho mothers (117 descendants: 10 with FYD and 107 without FYD), were analyzed for congeners of seven PCDDs, 10 PCDFs, and four coplanar PCBs. We investigated the association between the maternal estimated blood levels of dioxins at delivery and the risk of fetal Yusho disease. We also studied the differences in dioxin blood levels in 24 mother-descendant pairs (5 with FYD and 19 without FYD). The estimated levels of total PCDD TEQ, total PCDF TEQ, total coplanar PCB TEQ, and total TEQ in the maternal blood at delivery were associated with significantly increased risk of FYD. The odds ratios, which present the risk of FYD for a 10-fold increase in blood dioxin, were largest for 1,2,3,6,7,8-HexaCDD (odds ratio=28.6, 95% confidence interval=1.67-489.9, p=0.02). The levels of 1,2,3,6,7,8-HexaCDD in both the Yusho mothers and their descendants with FYD were higher than the levels in those without FYD. These findings suggest that 1,2,3,6,7,8-HexaCDD is the most important causative congener for the development of FYD.
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Affiliation(s)
- Kiyomi Tsukimori
- Department of Obstetrics, Fukuoka Children's Hospital, Tojinmachi 2-5-1, Chuo-ku, Fukuoka 810-0063, Japan.
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Spezielle Arzneimitteltherapie in der Schwangerschaft. ARZNEIMITTEL IN SCHWANGERSCHAFT UND STILLZEIT 2012. [PMCID: PMC7271212 DOI: 10.1016/b978-3-437-21203-1.10002-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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