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Nakajima T, Wang H, Yuan Y, Ito Y, Naito H, Kawamoto Y, Takeda K, Sakai K, Zhao N, Li H, Qiu X, Xia L, Chen J, Wu Q, Li L, Huang H, Yanagiba Y, Yatsuya H, Kamijima M. Increased serum anti-CYP2E1 IgG autoantibody levels may be involved in the pathogenesis of occupational trichloroethylene hypersensitivity syndrome: a case-control study. Arch Toxicol 2022; 96:2785-2797. [PMID: 35763063 PMCID: PMC9352743 DOI: 10.1007/s00204-022-03326-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 06/01/2022] [Indexed: 01/23/2023]
Abstract
Occupational exposure to trichloroethylene (TCE) causes a systemic skin disorder with hepatitis known as TCE hypersensitivity syndrome (TCE-HS). Human Leukocyte Antigen (HLA)-B*13:01 is its susceptibility factor; however, the immunological pathogenesis of TCE-HS remains unknown. We herein examined the hypothesis that autoantibodies to CYP2E1 are primarily involved in TCE-HS. A case–control study of 80 TCE-HS patients, 186 TCE-tolerant controls (TCE-TC), and 71 TCE-nonexposed controls (TCE-nonEC) was conducted to measure their serum anti-CYP2E1 antibody (IgG) levels. The effects of TCE exposure indices, such as 8-h time-weighted-average (TWA) airborne concentrations, urinary metabolite concentrations, and TCE usage duration; sex; smoking and drinking habits; and alanine aminotransferase (ALT) levels on the antibody levels were also analyzed in the two control groups. There were significant differences in anti-CYP2E1 antibody levels among the three groups: TCE-TC > TCE-HS patients > TCE-nonEC. Antibody levels were not different between HLA-B*13:01 carriers and noncarriers in TCE-HS patients and TCE-TC. The serum CYP2E1 measurement suggested increased immunocomplex levels only in patients with TCE-HS. Multiple regression analysis for the two control groups showed that the antibody levels were significantly higher by the TCE exposure. Women had higher antibody levels than men; however, smoking, drinking, and ALT levels did not affect the anti-CYP2E1 antibody levels. Anti-CYP2E1 antibodies were elevated at concentrations lower than the TWA concentration of 2.5 ppm for TCE exposure. Since HLA-B*13:01 polymorphism was not involved in the autoantibody levels, the possible mechanism underlying the pathogenesis of TCE-HS is that TCE exposure induces anti-CYP2E1 autoantibody production, and HLA-B*13:01 is involved in the development of TCE-HS.
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Affiliation(s)
- Tamie Nakajima
- Research Institute of Life and Health Sciences, Chubu University, Kasugai, Aichi, 487-8501, Japan.
| | - Hailan Wang
- Laboratory of Key Technology Research, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, Guangdong, People's Republic of China
| | - Yuan Yuan
- Research Institute of Life and Health Sciences, Chubu University, Kasugai, Aichi, 487-8501, Japan
| | - Yuki Ito
- Department of Occupational and Environmental Health, Nagoya City University Graduate School of Medical Sciences, Nagoya, Aichi, Japan
| | - Hisao Naito
- College of Human Life and Environment, Kinjo Gakuin University, Nagoya, Aichi, Japan
| | - Yoshiyuki Kawamoto
- College of Life and Health Sciences, Chubu University, Kasugai, Aichi, Japan
| | - Kozue Takeda
- College of Life and Health Sciences, Chubu University, Kasugai, Aichi, Japan
| | - Kiyoshi Sakai
- Department of Occupational and Environmental Health, Nagoya City University Graduate School of Medical Sciences, Nagoya, Aichi, Japan
| | - Na Zhao
- Laboratory of Key Technology Research, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, Guangdong, People's Republic of China
| | - Hongling Li
- Laboratory of Key Technology Research, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, Guangdong, People's Republic of China
| | - Xinxiang Qiu
- Poison Control Center Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, Guangdong, People's Republic of China
| | - Lihua Xia
- Poison Control Center Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, Guangdong, People's Republic of China
| | - Jiabin Chen
- Poison Control Center Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, Guangdong, People's Republic of China
| | - Qifeng Wu
- Poison Control Center Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, Guangdong, People's Republic of China
| | - Laiyu Li
- Laboratory of Key Technology Research, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, Guangdong, People's Republic of China
| | - Hanlin Huang
- Guangdong Province Hospital for Women and Children Healthcare, Guangdong, People's Republic of China
| | - Yukie Yanagiba
- Division of Industrial Toxicology and Biological Monitoring, National Institute of Occupational Safety and Health, Kawasaki, Kanagawa, Japan
| | - Hiroshi Yatsuya
- Department of Public Health and Health Systems, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan
| | - Michihiro Kamijima
- Department of Occupational and Environmental Health, Nagoya City University Graduate School of Medical Sciences, Nagoya, Aichi, Japan
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