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Pérez Casasús S, Luongo FP, Haxhiu A, Orini M, Scupoli G, Governini L, Piomboni P, Buratini J, Dal Canto M, Luddi A. Paternal Age Amplifies Cryopreservation-Induced Stress in Human Spermatozoa. Cells 2024; 13:625. [PMID: 38607064 PMCID: PMC11011712 DOI: 10.3390/cells13070625] [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] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 03/27/2024] [Accepted: 04/02/2024] [Indexed: 04/13/2024] Open
Abstract
The global fall in male fertility is a complicated process driven by a variety of factors, including environmental exposure, lifestyle, obesity, stress, and aging. The availability of assisted reproductive technology (ART) has allowed older couples to conceive, increasing the average paternal age at first childbirth. Advanced paternal age (APA), most often considered male age ≥40, has been described to impact several aspects of male reproductive physiology. In this prospective cohort study including 200 normozoospermic patients, 105 of whom were ≤35 years (non-APA), and 95 of whom were ≥42 years (APA), we assessed the impact of paternal age on different endpoints representative of sperm quality and cryopreservation tolerance. Non-APA patients had superior fresh semen quality; DNA fragmentation was notably increased in APA as compared to non-APA individuals (21.7% vs. 15.4%). Cryopreservation further increased the DNA fragmentation index in APA (26.7%) but not in non-APA patients. Additionally, APA was associated with increased mtDNAcn in both fresh and frozen/thawed sperm, which is indicative of poorer mitochondrial quality. Cryopreservation negatively impacted acrosome integrity in both age groups, as indicated by reduced incidences of unreacted acrosome in relation to fresh counterparts in non-APA (from 71.5% to 57.7%) and APA patients (from 75% to 63%). Finally, cryopreservation significantly reduced the phosphorylation status of proteins containing tyrosine residues in sperm from young males. Therefore, the present findings shed light on the effects of paternal age and cryopreservation on sperm quality and serve as valuable new parameters to improve our understanding of the mechanisms underlying sperm developmental competence that are under threat in current ART practice.
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Affiliation(s)
- Silvia Pérez Casasús
- Department of Molecular and Developmental Medicine, University of Siena, 53100 Siena, Italy; (S.P.C.); (F.P.L.); (A.H.); (M.O.); (G.S.); (L.G.); (A.L.)
| | - Francesca Paola Luongo
- Department of Molecular and Developmental Medicine, University of Siena, 53100 Siena, Italy; (S.P.C.); (F.P.L.); (A.H.); (M.O.); (G.S.); (L.G.); (A.L.)
| | - Alesandro Haxhiu
- Department of Molecular and Developmental Medicine, University of Siena, 53100 Siena, Italy; (S.P.C.); (F.P.L.); (A.H.); (M.O.); (G.S.); (L.G.); (A.L.)
| | - Martina Orini
- Department of Molecular and Developmental Medicine, University of Siena, 53100 Siena, Italy; (S.P.C.); (F.P.L.); (A.H.); (M.O.); (G.S.); (L.G.); (A.L.)
| | - Giorgia Scupoli
- Department of Molecular and Developmental Medicine, University of Siena, 53100 Siena, Italy; (S.P.C.); (F.P.L.); (A.H.); (M.O.); (G.S.); (L.G.); (A.L.)
| | - Laura Governini
- Department of Molecular and Developmental Medicine, University of Siena, 53100 Siena, Italy; (S.P.C.); (F.P.L.); (A.H.); (M.O.); (G.S.); (L.G.); (A.L.)
| | - Paola Piomboni
- Department of Molecular and Developmental Medicine, University of Siena, 53100 Siena, Italy; (S.P.C.); (F.P.L.); (A.H.); (M.O.); (G.S.); (L.G.); (A.L.)
| | - Jose Buratini
- Biogenesi Reproductive Medicine Center, Istituti Clinici Zucchi, 20900 Monza, Italy; (J.B.); (M.D.C.)
| | - Mariabeatrice Dal Canto
- Biogenesi Reproductive Medicine Center, Istituti Clinici Zucchi, 20900 Monza, Italy; (J.B.); (M.D.C.)
| | - Alice Luddi
- Department of Molecular and Developmental Medicine, University of Siena, 53100 Siena, Italy; (S.P.C.); (F.P.L.); (A.H.); (M.O.); (G.S.); (L.G.); (A.L.)
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Cheng Q, Liu QQ, Lu CA. A state-of-the-science review of using mitochondrial DNA copy number as a biomarker for environmental exposure. Environ Pollut 2024; 346:123642. [PMID: 38402934 DOI: 10.1016/j.envpol.2024.123642] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Revised: 02/06/2024] [Accepted: 02/22/2024] [Indexed: 02/27/2024]
Abstract
Mitochondria are bioenergetic, biosynthetic, and signaling organelles in eukaryotes, and contain their own genomes, mitochondrial DNA (mtDNA), to supply energy to cells by generating ATP via oxidative phosphorylation. Therefore, the threat to mitochondria' integrity and health resulting from environmental exposure could induce adverse health effects in organisms. In this review, we summarized the association between mtDNA copy number (mtDNAcn), and environmental exposures as reported in the literature. We conducted a literature search in the Web of Science using [Mitochondrial DNA copy number] and [Exposure] as two keywords and employed three selection criteria for the final inclusion of 97 papers for review. The consensus of data was that mtDNAcn could be used as a plausible biomarker for cumulative exposures to environmental chemical and physical agents. In order to furtherly expand the application of mtDNAcn in ecological and environmental health research, we suggested a series of algorithms aiming to standardize the calculation of mtDNAcn based on the PCR results in this review. We also discussed the pitfalls of using whole blood/plasma samples for mtDNAcn measurements and regard buccal cells a plausible and practical alternative. Finally, we recognized the importance of better understanding the mechanistic analysis and regulatory mechanism of mtDNAcn, in particular the signals release and regulation pathways. We believe that the development of using mtDNAcn as an exposure biomarker will revolutionize the evaluation of chronic sub-lethal toxicity of chemicals to organisms in ecological and environmental health research that has not yet been implemented.
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Affiliation(s)
- Qing Cheng
- College of Resources and Environment, Southwest University, Chongqing, 400715, People's Republic of China
| | - Qing Qing Liu
- College of Resources and Environment, Southwest University, Chongqing, 400715, People's Republic of China
| | - Chensheng Alex Lu
- College of Resources and Environment, Southwest University, Chongqing, 400715, People's Republic of China; School of Public Health, University of Washington, Seattle, WA, 98195, USA.
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Junker A, Wang J, Gouspillou G, Ehinger JK, Elmér E, Sjövall F, Fisher-Wellman KH, Neufer PD, Molina AJA, Ferrucci L, Picard M. Human studies of mitochondrial biology demonstrate an overall lack of binary sex differences: A multivariate meta-analysis. FASEB J 2022; 36:e22146. [PMID: 35073429 PMCID: PMC9885138 DOI: 10.1096/fj.202101628r] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [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: 11/02/2021] [Revised: 12/18/2021] [Accepted: 12/21/2021] [Indexed: 02/01/2023]
Abstract
Mitochondria are maternally inherited organelles that play critical tissue-specific roles, including hormone synthesis and energy production, that influence human development, health, and aging. However, whether mitochondria from women and men exhibit consistent biological differences remains unclear, representing a major gap in knowledge. This meta-analysis systematically examined four domains and six subdomains of mitochondrial biology (total 39 measures), including mitochondrial content, respiratory capacity, reactive oxygen species (ROS) production, morphometry, and mitochondrial DNA copy number. Standardized effect sizes (Hedge's g) of sex differences were computed for each measure using data in 2258 participants (51.5% women) from 50 studies. Only two measures demonstrated aggregate binary sex differences: higher mitochondrial content in women's WAT and isolated leukocyte subpopulations (g = 0.20, χ2 p = .01), and higher ROS production in men's skeletal muscle (g = 0.49, χ2 p < .0001). Sex differences showed weak to no correlation with age or BMI. Studies with small sample sizes tended to overestimate effect sizes (r = -.17, p < .001), and sex differences varied by tissue examined. Our findings point to a wide variability of findings in the literature concerning possible binary sex differences in mitochondrial biology. Studies specifically designed to capture sex- and gender-related differences in mitochondrial biology are needed, including detailed considerations of physical activity and sex hormones.
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Affiliation(s)
- Alex Junker
- Division of Behavioral Medicine, Department of Psychiatry, Columbia University Irving Medical Center, New York, New York, USA
| | - Jennifer Wang
- Division of Behavioral Medicine, Department of Psychiatry, Columbia University Irving Medical Center, New York, New York, USA
| | - Gilles Gouspillou
- Département des Sciences de l’Activité Physique, Faculté des Sciences, Université du Québec à Montréal (UQAM), Montreal, Québec, Canada
| | - Johannes K. Ehinger
- Mitochondrial Medicine, Department of Clinical Sciences, Lund University, Lund, Sweden,Otorhinolaryngology Head and Neck Surgery, Department of Clinical Sciences, Skåne University Hospital, Lund University, Lund, Sweden
| | - Eskil Elmér
- Mitochondrial Medicine, Department of Clinical Sciences, Lund University, Lund, Sweden
| | - Fredrik Sjövall
- Mitochondrial Medicine, Department of Clinical Sciences, Lund University, Lund, Sweden
| | - Kelsey H. Fisher-Wellman
- East Carolina Diabetes and Obesity Institute, East Carolina University, Greenville, North Carolina, USA,Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, North Carolina, USA
| | - P. Darrell Neufer
- East Carolina Diabetes and Obesity Institute, East Carolina University, Greenville, North Carolina, USA,Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, North Carolina, USA
| | - Anthony J. A. Molina
- Department of Medicine, University of California San Diego, La Jolla, California, USA
| | - Luigi Ferrucci
- Translational Gerontology Branch, National Institute on Aging, National Institutes of Health, Baltimore, Maryland, USA
| | - Martin Picard
- Division of Behavioral Medicine, Department of Psychiatry, Columbia University Irving Medical Center, New York, New York, USA,Department of Neurology, H. Houston Merritt Center, Columbia University Translational Neuroscience Initiative, Columbia University Irving Medical Center, New York, New York, USA,NewYork State Psychiatric Institute, New York, New York, USA
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Mendoza-Ortega JA, Reyes-Muñoz E, Nava-Salazar S, Rodríguez-Martínez S, Parra-Hernández SB, Schnaas L, Suárez-Rico BV, Torres-Olascoaga LA, Baccarelli AA, Wright RJ, Wright RO, Estrada-Gutierrez G, Tamayo-Ortiz M. Mitochondrial DNA Copy Number Adaptation as a Biological Response Derived from an Earthquake at Intrauterine Stage. Int J Environ Res Public Health 2021; 18:11771. [PMID: 34831526 DOI: 10.3390/ijerph182211771] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 11/06/2021] [Accepted: 11/07/2021] [Indexed: 01/07/2023]
Abstract
An altered mitochondrial DNA copy number (mtDNAcn) at birth can be a marker of increased disease susceptibility later in life. Gestational exposure to acute stress, such as that derived from the earthquake experienced on 19 September 2017 in Mexico City, could be associated with changes in mtDNAcn at birth. Our study used data from the OBESO (Biochemical and Epigenetic Origins of Overweight and Obesity) perinatal cohort in Mexico City. We compared the mtDNAcn in the umbilical cord blood of 22 infants born before the earthquake, 24 infants whose mothers were pregnant at the time of the earthquake (exposed), and 37 who were conceived after the earthquake (post-earthquake). We quantified mtDNAcn by quantitative real-time polymerase chain reaction normalized with a nuclear gene. We used a linear model adjusted by maternal age, body mass index, socioeconomic status, perceived stress, and pregnancy comorbidities. Compared to non-exposed newborns (mean ± SD mtDNAcn: 0.740 ± 0.161), exposed and post-earthquake newborns (mtDNAcn: 0.899 ± 0.156 and 0.995 ± 0.169, respectively) had increased mtDNAcn, p = 0.001. The findings of this study point at mtDNAcn as a potential biological marker of acute stress and suggest that experiencing an earthquake during pregnancy or before gestation can have programing effects in the unborn child. Long-term follow-up of newborns to women who experience stress prenatally, particularly that derived from a natural disaster, is warranted.
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Li X, Duan X, Zhang H, Ding M, Wang Y, Yang Y, Yao W, Zhou X, Wang W. Genetic polymorphisms of metabolic enzyme genes associated with leukocyte mitochondrial DNA copy number in PAHs exposure workers. Cancer Rep (Hoboken) 2021; 4:e1361. [PMID: 33788425 PMCID: PMC8388165 DOI: 10.1002/cnr2.1361] [Citation(s) in RCA: 2] [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: 10/27/2020] [Revised: 02/06/2021] [Accepted: 02/17/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Polycyclic aromatic hydrocarbons (PAHs) exposure had been reported to be a risk factor of mtDNAcn in our early study. However, the effect of metabolic enzymes' genetic polymorphisms on mtDNAcn in PAHs-Exposure workers has not been fully evaluated. AIM The aim of the study was to explore the effect of metabolic enzymes' genetic polymorphisms on mtDNAcn in PAHs-Exposure. METHODS AND RESULTS We investigated the effects of metabolic enzymes' genetic polymorphisms on mtDNAcn among 544 coke oven workers and 238 office staffs. The mtDNAcn of peripheral blood leukocytes was measured using the Real-time quantitative polymerase chain reaction (PCR) method. PCR and restriction fragment length was used to detect five polymorphisms in GSTT1, GSTM1, GSTP1 rs1695, CYP2E1 rs6413432, and CYP2E1 rs3813867. The mtDNAcn in peripheral blood leukocytes was significantly lower in the exposure group than that in the control group (p < .001). The 1-OHPYR had an increasing trend with the genotypes AA→AG → GG of GSTP1 rs1695 in the control group. Generalized linear model indicated that the influencing factors of mtDNAcn were PAHs-exposure [β (95% CI) = -0.420 (-0.469, -0.372), p < .001], male [β (95% CI) = -0.058 (-0.103, -0.012), p = .013], and AA genotype for GSTP1 rs1695 [β (95% CI) = -0.051 (-0.095, -0.008), p = .020]. CONCLUSION The individuals carrying the AA genotype of GSTP1 rs1695 may have a lower mtDNAcn due to their weaker detoxification of PAHs.
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Affiliation(s)
- Xinling Li
- Department of Occupational Health and Occupational Diseases, College of Public Health, Zhengzhou University, Zhengzhou, China.,The Key Laboratory of Nanomedicine and Health Inspection of Zhengzhou, Zhengzhou, China
| | - Xiaoran Duan
- Department of Occupational Health and Occupational Diseases, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Hui Zhang
- Department of Occupational Health and Occupational Diseases, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Mingcui Ding
- Department of Occupational Health and Occupational Diseases, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Yanbin Wang
- Safety Management Department of Anyang Iron and Steel Group Company, Anyang, China
| | - Yongli Yang
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Wu Yao
- Department of Occupational Health and Occupational Diseases, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Xiaoshan Zhou
- Department of Occupational Health and Occupational Diseases, College of Public Health, Zhengzhou University, Zhengzhou, China.,The Key Laboratory of Nanomedicine and Health Inspection of Zhengzhou, Zhengzhou, China
| | - Wei Wang
- Department of Occupational Health and Occupational Diseases, College of Public Health, Zhengzhou University, Zhengzhou, China.,The Key Laboratory of Nanomedicine and Health Inspection of Zhengzhou, Zhengzhou, China
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Melicher D, Illés A, Littvay L, Tárnoki ÁD, Tárnoki DL, Bikov A, Kunos L, Csabán D, Buzás EI, Molnár MJ, Falus A. Positive association and future perspectives of mitochondrial DNA copy number and telomere length - a pilot twin study. Arch Med Sci 2021; 17:1191-1199. [PMID: 34522248 PMCID: PMC8425227 DOI: 10.5114/aoms.2019.83173] [Citation(s) in RCA: 1] [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] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Accepted: 10/31/2018] [Indexed: 11/22/2022] Open
Abstract
INTRODUCTION Recent experimental and population studies have highlighted the existence of telomere-mitochondria interplay. Besides studies revealing the molecular mechanisms underlying the associations of telomere defects and mitochondrial functions, investigations of mitochondrial DNA copy number (mtDNAcn) and telomere length (TL) in healthy and disease phenotypes have likewise begun, with the aim of gaining more insights about their relationship in humans. MATERIAL AND METHODS A total of 142 asymptomatic adult twins, comprising 96 monozygotic (MZ) and 46 dizygotic (DZ) twins (mean age: 50.54 ±15.43 years), members of the Hungarian Twin Registry, were included in the analysis. Applying the qPCR standard curve method, we investigated the relationship of mtDNA copy number, telomere length and clinical data, besides assessing co-twin similarities of MZ and DZ twins for their mtDNAcn and TL measures. RESULTS We found that twins were similar in their intraclass correlation coefficients irrespective of zygosity, suggesting a possibly more important role of common (shared) environmental factors compared to non-shared (unique) environmental and to a smaller degree also individual genetic influences. We confirmed a significant positive association between mtDNAcn and TL (r = 0.28, p < 0.01) in age- and sex-corrected analysis. Following bivariate estimates and correction with significant predictors, the independent positive associations were further verified. CONCLUSIONS Our results extend the until now modest number of studies investigating mtDNAcn and TL simultaneously in humans. In addition, we are the first to examine the relationship between mtDNAcn and telomere length in MZ and DZ twin subjects.
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Affiliation(s)
- Dóra Melicher
- Department of Genetics, Cell and Immunobiology, Semmelweis University, Budapest, Hungary
- MTA-SE Immunproteogenomics Extracellular Vesicle Research Group
- Hungarian Twin Registry, Budapest, Hungary
| | - Anett Illés
- Institute of Genomic Medicine and Rare Disorders, Semmelweis University, Budapest, Hungary
| | - Levente Littvay
- Hungarian Twin Registry, Budapest, Hungary
- Central European University, Budapest, Hungary
| | - Ádám Domonkos Tárnoki
- Hungarian Twin Registry, Budapest, Hungary
- Department of Radiology, Semmelweis University, Budapest, Hungary
| | - Dávid László Tárnoki
- Hungarian Twin Registry, Budapest, Hungary
- Department of Radiology, Semmelweis University, Budapest, Hungary
| | - András Bikov
- Department of Pulmonology, Semmelweis University, Budapest, Hungary
| | - László Kunos
- Department of Pulmonology, Semmelweis University, Budapest, Hungary
| | - Dóra Csabán
- Institute of Genomic Medicine and Rare Disorders, Semmelweis University, Budapest, Hungary
| | - Edit Irén Buzás
- Department of Genetics, Cell and Immunobiology, Semmelweis University, Budapest, Hungary
- MTA-SE Immunproteogenomics Extracellular Vesicle Research Group
| | - Mária Judit Molnár
- Institute of Genomic Medicine and Rare Disorders, Semmelweis University, Budapest, Hungary
| | - András Falus
- Department of Genetics, Cell and Immunobiology, Semmelweis University, Budapest, Hungary
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Wang T, Tu Y, Wang K, Gong S, Zhang G, Zhang Y, Meng Y, Wang T, Li A, Cui J, Liu H, Tang W, Xi J, Cao Y, Luan Y, Christiani DC, Au W, Xia ZL. Associations of blood lead levels with multiple genotoxic biomarkers among workers in China: A population-based study. Environ Pollut 2020; 273:116181. [PMID: 33508628 DOI: 10.1016/j.envpol.2020.116181] [Citation(s) in RCA: 3] [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] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 11/16/2020] [Accepted: 11/27/2020] [Indexed: 06/12/2023]
Abstract
Carcinogenic effects from low doses of lead (Pb) exposure to populations have been suspected but not concluded. Therefore, a large-scale cross-sectional study was conducted by us to investigate genotoxic effects from Pb exposure during 2016-2018 in North China. Blood lead levels (BLLs) and cumulative blood lead levels (CBLLs) were measured. Multiple relevant biomarkers were used to assess genotoxicity of Pb: mitochondrial DNA copy number (mtDNAcn, n = 871), Comet Tail Intensity (n = 872), γ-H2AX (n = 345), relative telomere length (rTL, n = 757), micronuclei (MN, n = 934) and phosphatidylinositol glycan class A mutation (PIG-A, n = 362). The BLL data show right-skewed distribution, with increase of the median (P25, P75) from 17.4 (8.9, 26.4) μg/dl in 2016 to 18.5 (10.5, 27.2) μg/dl in 2017, and to 20.8 (11.3, 31.0) μg/dl in 2018. Multivariate regression analyses show that mtDNAcn was non-linearly associated with BLLs or CBLLs, i.e. decreased at low levels but increased at the higher levels. Comet and Micronuclei data show positive dose-response relationships with BLLs as well as CBLLs. γ-H2AX data show an overall increased trend with BLLs while rTL data show a shortening trend. No associations were found for PIG-A mutation with Pb exposure. Our findings indicate that current low dose exposure to Pb can still cause health hazards to occupational populations, and the mechanism may be via the induction of DNA & chromosome damage rather than via the mutagenesis pathway.
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Affiliation(s)
- Tuanwei Wang
- Department of Occupational Health & Toxicology, School of Public Health, Shanghai Medical College of Fudan University, 130 Dongan Road, Shanghai 200032, China
| | - Yuting Tu
- Department of Occupational Health & Toxicology, School of Public Health, Shanghai Medical College of Fudan University, 130 Dongan Road, Shanghai 200032, China
| | - Kan Wang
- Department of Occupational Health & Toxicology, School of Public Health, Shanghai Medical College of Fudan University, 130 Dongan Road, Shanghai 200032, China
| | - Shiyang Gong
- Department of Occupational Health & Toxicology, School of Public Health, Shanghai Medical College of Fudan University, 130 Dongan Road, Shanghai 200032, China
| | - Guanghui Zhang
- Department of Occupational & Environmental Health, School of Public Health, Xinxiang Medical University, 601 Jinsui Road, Xinxiang 453003, Henan Province, China
| | - Yunxia Zhang
- Department of Occupational Health & Toxicology, School of Public Health, Shanghai Medical College of Fudan University, 130 Dongan Road, Shanghai 200032, China
| | - Yu Meng
- Department of Occupational Health & Toxicology, School of Public Health, Shanghai Medical College of Fudan University, 130 Dongan Road, Shanghai 200032, China
| | - Tongshuai Wang
- Department of Occupational Health & Toxicology, School of Public Health, Shanghai Medical College of Fudan University, 130 Dongan Road, Shanghai 200032, China
| | - Anqi Li
- Department of Occupational Health & Toxicology, School of Public Health, Shanghai Medical College of Fudan University, 130 Dongan Road, Shanghai 200032, China
| | - Junpeng Cui
- Department of Occupational & Environmental Health, School of Public Health, Xinxiang Medical University, 601 Jinsui Road, Xinxiang 453003, Henan Province, China
| | - Huan Liu
- Department of Occupational & Environmental Health, School of Public Health, Xinxiang Medical University, 601 Jinsui Road, Xinxiang 453003, Henan Province, China
| | - Weifeng Tang
- School of Public Health, Hongqiao International Institute of Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Jing Xi
- School of Public Health, Hongqiao International Institute of Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Yiyi Cao
- School of Public Health, Hongqiao International Institute of Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Yang Luan
- School of Public Health, Hongqiao International Institute of Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - David C Christiani
- Environmental Medicine and Epidemiology Program, Department of Environmental Health, Harvard University TH Chan School of Public Health, Boston, MA, USA
| | - William Au
- George Emil Palade University of Medicine, Pharmacy, Science and Technology, Targu Mures, Romania, And University of Texas Medical Branch, Galveston, TX, USA
| | - Zhao-Lin Xia
- Department of Occupational Health & Toxicology, School of Public Health, Shanghai Medical College of Fudan University, 130 Dongan Road, Shanghai 200032, China.
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