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Kaplan S, Dragut CF, Ghimpeteanu A. Pregnancy and fetal outcomes following paternal exposure to glatiramer acetate. Curr Med Res Opin 2024; 40:821-825. [PMID: 38577712 DOI: 10.1080/03007995.2024.2337669] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Accepted: 03/27/2024] [Indexed: 04/06/2024]
Abstract
OBJECTIVES This study aimed to examine pregnancy and fetal outcomes following paternal exposure to glatiramer acetate (GA). METHODS Pregnancy reports of paternal GA-exposure at time of conception from 2001 to 2022 were extracted from Teva Global Pharmacovigilance database. Pregnancy reports obtained prior to (prospective) or after (retrospective) knowledge of the pregnancy outcome were included. The primary endpoint was major congenital malformation (MCM) in the offspring according to the US Metropolitan Atlanta Congenital Defects Program (MACDP) and European Surveillance of Congenital Anomalies and Twins (EUROCAT) classification. Other pregnancy and fetal outcomes, including spontaneous abortion, pregnancy termination, fetal death, preterm birth, and low birth weight, were assessed. RESULTS A total of 466 paternal GA-exposed pregnancies were retrieved, 232 prospective cases and 234 retrospective cases. Of 349 (74.9%) pregnancies with known outcomes, 316 (90.5%) were live births, 28 (8.0%) were spontaneous abortions, 3 (0.9%) were elective pregnancy terminations, and 2 (0.6%) were stillbirths. In prospective live birth cases, there were 7/111 (6.3%) preterm births and 5/115 (4.3%) neonates with a low birth weight. The prevalence of total MCM among prospective cases was 1.7% (2 cases of 116 live births and fetal death/stillbirth), which is slightly lower than the background rates from MACDP (3%) and EUROCAT (2.1%). CONCLUSIONS This study did not indicate an increase in the rate of adverse pregnancy and fetal outcomes after paternal exposure to GA. These results provide additional information regarding pregnancy outcomes following paternal exposure to GA for healthcare professionals, male patients and their female partners who are considering pregnancy while their male partner is using GA.
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Affiliation(s)
- Sigal Kaplan
- Teva Pharmaceutical Industries Ltd., Netanya, Israel
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Chen E, da Cruz RS, Nascimento A, Joshi M, Pereira DG, Dominguez O, Fernandes G, Smith M, Paiva SPC, de Assis S. Paternal DDT exposure induces sex-specific programming of fetal growth, placenta development and offspring's health phenotypes in a mouse model. Sci Rep 2024; 14:7567. [PMID: 38555297 PMCID: PMC10981700 DOI: 10.1038/s41598-024-58176-7] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 03/26/2024] [Indexed: 04/02/2024] Open
Abstract
Mounting evidence suggests that environmentally induced epigenetic inheritance occurs in mammals and that traits in the progeny can be shaped by parental environmental experiences. Epidemiological studies link parental exposure to environmental toxicants, such as the pesticide DDT, to health phenotypes in the progeny, including low birth and increased risk of chronic diseases later in life. Here, we show that the progeny of male mice exposed to DDT in the pre-conception period are born smaller and exhibit sexual dimorphism in metabolic function, with male, but not female, offspring developing severe glucose intolerance compared to controls. These phenotypes in DDT offspring were linked to reduced fetal growth and placenta size as well as placenta-specific reduction of glycogen levels and the nutrient sensor and epigenetic regulator OGT, with more pronounced phenotypes observed in male placentas. However, placenta-specific genetic reduction of OGT only partially replicates the metabolic phenotype observed in offspring of DDT-exposed males. Our findings reveal a role for paternal pre-conception environmental experiences in shaping placenta development and in fetal growth restriction. While many questions remain, our data raise the tantalizing possibility that placenta programming could be a mediator of environmentally induced intergenerational epigenetic inheritance of phenotypes and needs to be further evaluated.
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Affiliation(s)
- Elaine Chen
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, 20057, USA
| | - Raquel Santana da Cruz
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, 20057, USA
| | - Aallya Nascimento
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, 20057, USA
| | - Meghali Joshi
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, 20057, USA
| | - Duane Gischewski Pereira
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, 20057, USA
| | - Odalys Dominguez
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, 20057, USA
| | - Gabriela Fernandes
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, 20057, USA
| | - Megan Smith
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, 20057, USA
| | - Sara P C Paiva
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, 20057, USA
- Department of Obstetrics and Gynecology, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Sonia de Assis
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, 20057, USA.
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Cheng Y, Feng J, Wang J, Zhou Y, Bai S, Tang Q, Li J, Pan F, Xu Q, Lu C, Wu W, Xia Y. Alterations in sperm DNA methylation may as a mediator of paternal air pollution exposure and offspring birth outcomes: Insight from a birth cohort study. Environ Res 2024; 244:117941. [PMID: 38103775 DOI: 10.1016/j.envres.2023.117941] [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: 10/07/2023] [Revised: 11/25/2023] [Accepted: 12/11/2023] [Indexed: 12/19/2023]
Abstract
Paternal exposure to environmental risk factors influences the offspring health. This study aimed to evaluate the association between paternal air pollution exposure mediated by sperm DNA methylation and adverse birth outcomes in offspring. We recruited 1607 fertile men and their partners from 2014 to 2016 and collected semen samples to detect sperm DNA methylation. Multivariate linear regression and weighted quantile sum regression models were used to assess the associations between paternal air pollution exposure and offspring birth outcomes. A critical exposure window was identified. Reduced representation bisulfite sequencing was used to detect sperm DNA methylation. The results demonstrated that high paternal exposure to PM2.5 (β = -211.31, 95% CI: (-386.37, -36.24)), PM10 (β = -178.20, 95% CI: (-277.13, -79.27)), and NO2 (β = -84.22, 95% CI: (-165.86, -2.57)) was negatively associated with offspring's birthweight, especially in boys. Additionally, an early exposure window of 15-69 days before fertilization was recognized to be the key exposure window, which increased the risk of low birth weight and small for gestational age. Furthermore, paternal co-exposure to six air pollutants contributed to lower birthweight (β = -51.91, 95% CI: (-92.72, -11.10)) and shorter gestational age (β = -1.72, 95% CI: (-3.26, -0.17)) and PM2.5 was the most weighted pollutant. Paternal air pollution exposure resulted in 10,328 differentially methylated regions and the IGF2R gene was the key gene involved in the epigenetic process. These differentially methylated genes were predominantly associated with protein binding, transcriptional regulation, and DNA templating. These findings indicate that spermatogenesis is a susceptible window during which paternal exposure to air pollution affects sperm DNA methylation and the birth outcomes of offspring.
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Affiliation(s)
- Yuting Cheng
- State Key Laboratory of Reproductive Medicine and Offspring Health, Wuxi Medical Center, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Jialin Feng
- State Key Laboratory of Reproductive Medicine and Offspring Health, Wuxi Medical Center, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Jing Wang
- State Key Laboratory of Reproductive Medicine and Offspring Health, Wuxi Medical Center, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Yijie Zhou
- State Key Laboratory of Reproductive Medicine and Offspring Health, Wuxi Medical Center, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Shengjun Bai
- State Key Laboratory of Reproductive Medicine and Offspring Health, Wuxi Medical Center, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Qiuqin Tang
- Department of Obstetrics, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, China
| | - Jinhui Li
- Department of Urology, Stanford Medical Center, Stanford, CA, USA
| | - Feng Pan
- Department of Urology, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, China
| | - Qiaoqiao Xu
- State Key Laboratory of Reproductive Medicine and Offspring Health, Wuxi Medical Center, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Chuncheng Lu
- State Key Laboratory of Reproductive Medicine and Offspring Health, Wuxi Medical Center, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Wei Wu
- State Key Laboratory of Reproductive Medicine and Offspring Health, Wuxi Medical Center, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China.
| | - Yankai Xia
- State Key Laboratory of Reproductive Medicine and Offspring Health, Wuxi Medical Center, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China.
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Lu L, Cheng Y, Wu W, Wang L, Li S, Li Q, Chen L, Zhang J, Chen R, Tan X, Hong Y, Yang L, Song Y. Paternal p,p'-DDE exposure and pre-pubertal high-fat diet increases the susceptibility to fertility impairment and sperm Igf2 DMR2 hypo-methylation in male offspring. Ecotoxicol Environ Saf 2024; 271:115999. [PMID: 38262096 DOI: 10.1016/j.ecoenv.2024.115999] [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: 10/11/2023] [Revised: 01/12/2024] [Accepted: 01/17/2024] [Indexed: 01/25/2024]
Abstract
The hypothesis of paternal origins of health and disease (POHaD) indicates that paternal exposure to adverse environment could alter the epigenetic modification in germ line, increasing the disease susceptibility in offspring or even in subsequent generations. p,p'-Dichlorodiphenyldichloroethylene (p,p'-DDE) is an anti-androgenic chemical and male reproductive toxicant. Gestational p,p'-DDE exposure could impair reproductive development and fertility in male offspring. However, the effect of paternal p,p'-DDE exposure on fertility in male offspring remains uncovered. From postnatal day (PND) 35 to 119, male rats (F0) were given 10 mg/body weight (b.w.) p,p'-DDE or corn oil by gavage. Male rats were then mated with the control females to generate male offspring. On PND35, the male offspring were divided into 4 groups according whether to be given the high-fat diet (HF): corn oil treatment with control diet (C-C), p,p'-DDE treatment with control diet (DDE-C), corn oil treatment with high-fat diet (C-HF) or p,p'-DDE treatment with high-fat diet (DDE-HF) for 35 days. Our results indicated that paternal p,p'-DDE exposure did not affect the male fertility of male offspring directly, but decreased sperm quality and induced testicular apoptosis after the high-fat diet treatment. Further analysis demonstrated that paternal exposure to p,p'-DDE and pre-pubertal high-fat diet decreased sperm Igf2 DMR2 methylation and gene expression in male offspring. Hence, paternal exposure to p,p'-DDE and pre-pubertal high-fat diet increases the susceptibility to male fertility impairment and sperm Igf2 DMR2 hypo-methylation in male offspring, posing a significant implication in the disease etiology.
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Affiliation(s)
- Liping Lu
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Yuzhou Cheng
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Wei Wu
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Lijun Wang
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Shuqi Li
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Qianyu Li
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Liangjing Chen
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Jianyun Zhang
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Rong Chen
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Xiaohua Tan
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Yu Hong
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Lei Yang
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China
| | - Yang Song
- School of Public Health, Hangzhou Normal University, 2318 Yuhangtang Road, Hangzhou, China.
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Gaitonde S, Moride Y, Suarez E, Lopez-Leon S. Where are the data to assess the safety of paternal drug exposure? A systematic review of secondary databases: A contribution from IMI concePTION. Pharmacoepidemiol Drug Saf 2024; 33:e5764. [PMID: 38357834 DOI: 10.1002/pds.5764] [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: 10/10/2023] [Revised: 01/09/2024] [Accepted: 01/22/2024] [Indexed: 02/16/2024]
Abstract
BACKGROUND Most studies assessing the safety of parental drug exposures during pregnancy and around the time of conception describe the effects of maternal exposure. Recent publications have raised awareness of the need for additional research regarding the safety of paternal drug exposures on pregnancy outcomes. OBJECTIVES To identify and describe studies that use secondary databases in paternal drug safety studies and to describe the secondary databases that were used. METHODS A systematic review of studies assessing paternal medication exposure and pregnancy and infant outcomes using secondary databases was performed. In addition, the secondary databases used for these studies was described. Literature search was conducted using Embase, Web of Science, and PubMed, over the period January 1, 2012 to April 30, 2023. For each eligible study, paternal drug exposure, outcome, and data source characteristics were extracted in a data extraction form. RESULTS After reviewing the literature, 17 studies met inclusion criteria. The medications assessed for paternal safety were anti-rheumatic drugs (n = 10), anti-depressants (n = 3), anticonvulsants (n = 2), and anti-diabetes medications (n = 2). Pregnancy safety outcomes included congenital malformations, birth weight, and developmental disorders. The studies used five different databases across Europe and North America. The included studies used databases from Denmark (n = 12), Norway (n = 2), Sweden (n = 1), Canada (n = 1), and the United States (n = 1). The European studies utilized national patient registers that linked fathers to births and prescription histories. The North American databases used included insurance claims and electronic health records. CONCLUSIONS Our review shows that few studies have been completed on paternal medication exposures and pregnancy outcomes, despite the availability of secondary databases that contain data necessary to link fathers to infants. More research on the potential adverse impacts of paternal medication exposures is needed.
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Affiliation(s)
- Sneha Gaitonde
- Quantitative Safety & Epidemiology, Novartis Pharmaceuticals, East Hanover, New Jersey, USA
- Rutgers Center for Pharmacoepidemiology and Treatment Science, Rutgers University, New Brunswick, New Jersey, USA
- Rutgers University Ernest Mario School of Pharmacy, Piscataway, New Jersey, USA
| | - Yola Moride
- Rutgers Center for Pharmacoepidemiology and Treatment Science, Rutgers University, New Brunswick, New Jersey, USA
| | - Elizabeth Suarez
- Rutgers Center for Pharmacoepidemiology and Treatment Science, Rutgers University, New Brunswick, New Jersey, USA
- Department of Biostatistics and Epidemiology, Rutgers School of Public Health, Piscataway, New Jersey, USA
| | - Sandra Lopez-Leon
- Quantitative Safety & Epidemiology, Novartis Pharmaceuticals, East Hanover, New Jersey, USA
- Rutgers Center for Pharmacoepidemiology and Treatment Science, Rutgers University, New Brunswick, New Jersey, USA
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Yamamoto S, Sanefuji M, Suzuki M, Sonoda Y, Hamada N, Kato W, Ono H, Oba U, Nakashima K, Ochiai M, Kusuhara K, Koga Y, Ohga S. Pediatric leukemia and maternal occupational exposure to anticancer drugs: the Japan Environment and Children's Study. Blood 2024; 143:311-319. [PMID: 37788408 DOI: 10.1182/blood.2023021008] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [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: 05/01/2023] [Revised: 08/22/2023] [Accepted: 09/04/2023] [Indexed: 10/05/2023] Open
Abstract
ABSTRACT Occupational exposure to medical agents and ionizing radiation has been suggested as a possible risk factor for childhood cancer. However, the relationship between such exposure and pediatric malignant neoplasms has not yet been comprehensively studied. This cohort study aimed to investigate the association between parental occupational exposure to hazardous medical agents or ionizing radiation and the risk of childhood cancer in offspring. Data from a large birth cohort in Japan, which included 104 062 fetuses, were analyzed. The primary outcome was the development of leukemia or brain tumors diagnosed by community physicians during the first 3 years after birth. Exposure factors were medical agents, including anticancer agents, ionizing radiation, and anesthetics, handled by mothers during pregnancy or by fathers for 3 months before conception. The incidence of leukemia, but not of brain tumors, was higher in mothers exposed to anticancer drugs. Multivariable regression analysis showed that maternal exposure to anticancer drugs was associated with an increased risk of leukemia in offspring older than 1 year (adjusted relative risk, 7.99 [95% confidence interval, 1.98-32.3]). Detailed information obtained from medical certificates of patients with identified leukemia revealed no infant leukemia but acute lymphoblastic leukemias in the exposed group. Our findings suggest that maternal occupational exposure to anticancer drugs may be a potential risk factor for acute lymphoblastic leukemia in offspring older than 1 year. Effective prevention methods may be necessary to prevent maternal exposure to anticancer drugs and to reduce the risk of childhood malignant neoplasms.
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Affiliation(s)
- Shunsuke Yamamoto
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Masafumi Sanefuji
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
- Department of Pediatrics, Faculty of Medicine, Saga University, Saga, Japan
| | - Maya Suzuki
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yuri Sonoda
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
- Research Center for Environment and Developmental Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Norio Hamada
- Research Center for Environment and Developmental Medical Sciences, Kyushu University, Fukuoka, Japan
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Wakako Kato
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Hiroaki Ono
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Utako Oba
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Kentaro Nakashima
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
- Department of Pediatrics, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Masayuki Ochiai
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
- Research Center for Environment and Developmental Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Koichi Kusuhara
- Department of Pediatrics, University of Occupational and Environmental Health, Kitakyushu, Japan
- Regional Center for Japan Environment and Children's Study, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Yuhki Koga
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
- Department of Perinatal and Pediatric Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Shouichi Ohga
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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van der Mijle AE, Woestenberg PJ, Kosse LJ, van Puijenbroek EP. The Dutch Pregnancy Drug Register: Suitable to Study Paternal Drug Exposures? Int J Environ Res Public Health 2023; 20:7107. [PMID: 38063537 PMCID: PMC10706075 DOI: 10.3390/ijerph20237107] [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] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 11/09/2023] [Accepted: 11/22/2023] [Indexed: 12/18/2023]
Abstract
Paternal medication use around the time of conception is common, but information about its effects on pregnancy outcome and the health of the child is generally limited. The aim of this study is to examine the feasibility of studying paternal exposure in the Dutch Pregnancy Drug Register by using immunosuppressants as a proof of concept. In 113 of 15,959 pregnancies, long-term paternal immunosuppressant use was reported 3 months before conception. In total, 134 immunosuppressants were used. Pregnancy outcome was known for 54 cases and was in accordance with previous findings. Two spontaneous abortions, two premature births, six small for gestational age babies, and two major congenital malformations were reported. Time to pregnancy (TTP) was known for 9548 pregnancies, including 89 with paternal immunosuppressant use. TTP analysis did not show a difference in pregnancies with paternal immunosuppressant use compared to the control group. Moreover, the number of fertility treatments in the paternal immunosuppressant group was similar to the control group. In our opinion, it is feasible to use the Dutch Pregnancy Drug Register to study the effects of paternal exposure on pregnancy outcome. However, to study the potential effects on fertility, more information is needed, particularly since the beginning of pregnancy attempts.
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Affiliation(s)
- Annerose E. van der Mijle
- Netherlands Pharmacovigilance Centre Lareb, 5237 MH Hertogenbosch, The Netherlands; (P.J.W.); (L.J.K.); (E.P.v.P.)
| | - Petra J. Woestenberg
- Netherlands Pharmacovigilance Centre Lareb, 5237 MH Hertogenbosch, The Netherlands; (P.J.W.); (L.J.K.); (E.P.v.P.)
| | - Leanne J. Kosse
- Netherlands Pharmacovigilance Centre Lareb, 5237 MH Hertogenbosch, The Netherlands; (P.J.W.); (L.J.K.); (E.P.v.P.)
| | - Eugène P. van Puijenbroek
- Netherlands Pharmacovigilance Centre Lareb, 5237 MH Hertogenbosch, The Netherlands; (P.J.W.); (L.J.K.); (E.P.v.P.)
- Groningen Research Institute of Pharmacy, PharmacoTherapy—Epidemiology & Economics, University of Groningen, 9713 AV Groningen, The Netherlands
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Golding MC. Teratogenesis and the epigenetic programming of congenital defects: Why paternal exposures matter. Birth Defects Res 2023; 115:1825-1834. [PMID: 37424262 PMCID: PMC10774456 DOI: 10.1002/bdr2.2215] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [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: 01/12/2023] [Revised: 06/16/2023] [Accepted: 06/23/2023] [Indexed: 07/11/2023]
Abstract
Until recently, clinicians and researchers did not realize paternal exposures could impact child developmental outcomes. Indeed, although there is growing recognition that sperm carry a large amount of non-genomic information and that paternal stressors influence the health of the next generation, toxicologists are only now beginning to explore the role paternal exposures have in dysgenesis and the incidence of congenital malformations. In this commentary, I will briefly summarize the few studies describing congenital malformations resulting from preconception paternal stressors, argue for the theoretical expansion of teratogenic perspectives into the male preconception period, and discuss some of the challenges in this newly emerging branch of toxicology. I argue that we must consider gametes the same as any other malleable precursor cell type and recognize that environmentally-induced epigenetic changes acquired during the formation of the sperm and oocyte hold equal teratogenic potential as exposures during early development. Here, I propose the term epiteratogen to reference agents acting outside of pregnancy that, through epigenetic mechanisms, induce congenital malformations. Understanding the interactions between the environment, the essential epigenetic processes intrinsic to spermatogenesis, and their cumulative influences on embryo patterning is essential to addressing a significant blind spot in the field of developmental toxicology.
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Affiliation(s)
- Michael C. Golding
- Department of Veterinary Physiology & Pharmacology, School of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas, USA, 77843
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Rimawi I, Yanai S, Turgeman G, Yanai J. Whole transcriptome analysis in offspring whose fathers were exposed to a developmental insult: a novel avian model. Sci Rep 2023; 13:16499. [PMID: 37779136 PMCID: PMC10543553 DOI: 10.1038/s41598-023-43593-x] [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: 03/31/2023] [Accepted: 09/26/2023] [Indexed: 10/03/2023] Open
Abstract
Although the effects of paternal exposure to insults on the offspring received limited attention in the past, it is currently gaining interest especially after understanding the mechanisms which may mediate such exposure effects. In the current study, the well-controlled avian model (Fayoumi) was utilized to investigate the effects of paternal exposure to the developmental insult, chlorpyrifos on the offspring's gene expression via mRNA and small RNA sequencing. Numerous mRNA gene expression changes were detected in the offspring after paternal exposure to the developmental insult, especially in genes related to neurogenesis, learning and memory. qPCR analysis of several genes, that were significantly changed in mRNA sequencing, confirmed the results obtained in mRNA sequencing. On the other hand, small RNA sequencing did not identify significant microRNA genes expression changes in the offspring after paternal exposure to the developmental insult. The effects of the paternal exposure were more pronounced in the female offspring compared to the male offspring. The results identified expression alterations in major genes (some of which were pertinent to the functional changes observed in other forms of early developmental exposure) after paternal insult exposure and provided a direction for future studies involving the most affected genes.
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Affiliation(s)
- Issam Rimawi
- The Ross Laboratory for Studies in Neural Birth Defects, Department of Medical Neurobiology, Institute for Medical Research - Israel-Canada, The Hebrew University-Hadassah Medical School, P.O. Box 12272, 91120, Jerusalem, Israel
| | - Sunny Yanai
- Department of Genetics, The Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Gadi Turgeman
- Department of Molecular Biology, Ariel University, Ariel, Israel
| | - Joseph Yanai
- The Ross Laboratory for Studies in Neural Birth Defects, Department of Medical Neurobiology, Institute for Medical Research - Israel-Canada, The Hebrew University-Hadassah Medical School, P.O. Box 12272, 91120, Jerusalem, Israel.
- Department of Pharmacology and Cancer Biology, Duke University Medical Center, Durham, NC, 27710, USA.
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Zeid D, Toussaint AB, Dressler CC, Schumacher SP, Do C, Desalvo H, Selamawi D, Bongiovanni AR, Mayberry HL, Carr GV, Wimmer ME. Paternal morphine exposure in rats reduces social play in adolescent male progeny without affecting drug-taking behavior in juvenile males or female offspring. Mol Cell Neurosci 2023; 126:103877. [PMID: 37385516 PMCID: PMC10528482 DOI: 10.1016/j.mcn.2023.103877] [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: 12/15/2022] [Revised: 06/02/2023] [Accepted: 06/24/2023] [Indexed: 07/01/2023] Open
Abstract
The ongoing opioid addiction crisis necessitates the identification of novel risk factors to improve prevention and treatment of opioid use disorder. Parental opioid exposure has recently emerged as a potential regulator of offspring vulnerability to opioid misuse, in addition to heritable genetic liability. An understudied aspect of this "missing heritability" is the developmental presentation of these cross-generational phenotypes. This is an especially relevant question in the context of inherited addiction-related phenotypes, given the prominent role of developmental processes in the etiology of psychiatric disorders. Paternal morphine self-administration was previously shown to alter the sensitivity to the reinforcing and antinociceptive properties of opioids in the next generation. Here, phenotyping was expanded to include the adolescent period, with a focus on endophenotypes related to opioid use disorders and pain. Paternal morphine exposure did not alter heroin or cocaine self-administration in male and female juvenile progeny. Further, baseline sensory reflexes related to pain were unaltered in morphine-sired adolescent rats of either sex. However, morphine-sired adolescent males exhibited a reduction in social play behavior. Our findings suggest that, in morphine-sired male offspring, paternal opioid exposure does not affect opioid intake during adolescence, suggesting that this phenotype does not emerge until later in life. Altered social behaviors in male morphine-sired adolescents indicate that the changes in drug-taking behavior in adults sired by morphine-exposed sires may be due to more complex factors not yet fully assessed.
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Affiliation(s)
- Dana Zeid
- Department of Psychology and Neuroscience, College of Liberal Arts, Temple University, United States of America
| | - Andre B Toussaint
- Zuckerman Mind Brain Behavior Institute, Columbia University, United States of America
| | - Carmen C Dressler
- Department of Psychology and Neuroscience, College of Liberal Arts, Temple University, United States of America
| | - Samuel P Schumacher
- Department of Psychology and Neuroscience, College of Liberal Arts, Temple University, United States of America
| | - Chau Do
- Department of Psychology and Neuroscience, College of Liberal Arts, Temple University, United States of America
| | - Heather Desalvo
- Department of Psychology and Neuroscience, College of Liberal Arts, Temple University, United States of America
| | - Danait Selamawi
- Department of Psychology and Neuroscience, College of Liberal Arts, Temple University, United States of America
| | - Angela R Bongiovanni
- Department of Psychology and Neuroscience, College of Liberal Arts, Temple University, United States of America
| | - Hannah L Mayberry
- Department of Psychology and Neuroscience, College of Liberal Arts, Temple University, United States of America
| | - Gregory V Carr
- Lieber Institute of Brain Development, Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, United States of America
| | - Mathieu E Wimmer
- Department of Psychology and Neuroscience, College of Liberal Arts, Temple University, United States of America.
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11
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Ruth AL, Rehman U, Stewart P, Moore LE, Yucel R, Taylor Wilson R. Maternal and Paternal Household Pesticide Exposure During Pregnancy and Risk of Childhood Acute Lymphoblastic Leukemia. J Occup Environ Med 2023; 65:595-604. [PMID: 37015736 PMCID: PMC10464523 DOI: 10.1097/jom.0000000000002859] [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] [Indexed: 04/06/2023]
Abstract
OBJECTIVE The aim of this study was to investigate whether risk estimates for childhood acute lymphoblastic leukemia change when restricting model comparison groups to "nonpesticide exposure" (NPE10) households. METHODS Cases ( n = 1810) 15 years or younger were identified through Children's Cancer Group institutions between 1989 and 1993 and age-/sex-matched to controls ( n = 1951). Household pesticide use during pregnancy/month prior was collected via telephone. NPE10 comparison group reporting no parental exposure to 10 pesticide classes was identified. RESULTS Adjusted odds ratios increased from 15% to 49% when limiting the comparison to NPE10. Maternal termite insecticide exposure was associated with greatest risk (adjusted odds ratio, 4.21; 95% confidence interval, 2.00-8.88). There was minimal evidence of interaction by child sex or occupational pesticide exposure, and no monotonic dose-response pattern with frequency of use (times per year). CONCLUSIONS Elevated risks are consistent with published pooled-/meta-analyses and DNA damage. The consistency and magnitude of these associations warrant product labeling, exposure reduction interventions, or both.
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Affiliation(s)
- Alexandra L Ruth
- From the Department of Epidemiology and Biostatistics, College of Public Health, Temple University, Philadelphia, Pennsylvania (A.R., U.R., R.Y., R.T.W.); Stewart Exposure Assessments, LLC, Arlington, Virginia (P.S.); and Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, Maryland (L.E.M.)
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12
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Pandelides Z, Sturgis MC, Thornton C, Aluru N, Willett KL. Benzo[a]pyrene-induced multigenerational changes in gene expression, behavior, and DNA methylation are primarily influenced by paternal exposure. Toxicol Appl Pharmacol 2023; 469:116545. [PMID: 37146889 DOI: 10.1016/j.taap.2023.116545] [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: 01/17/2023] [Revised: 04/21/2023] [Accepted: 05/02/2023] [Indexed: 05/07/2023]
Abstract
Benzo[a]pyrene (BaP), a polycyclic aromatic hydrocarbon (PAH), is implicated in many developmental and behavioral adverse outcomes in offspring of exposed parents. The objective of this study was to investigate sex-dependent multigenerational effects of preconceptional effects of BaP exposure. Adult wild-type (5D) zebrafish were fed 708 μg BaP/g diet (measured) at a rate of 1% body weight twice/day (14 μg BaP/g fish/day) for 21 days. Fish were spawned using a crossover design, and parental (F0) behavior and reproductive indexes were measured. In offspring, behavioral effects were measured at 96 h post fertilization (hpf) in F1 & F2 larvae, and again when F1s were adults. Compared to controls, there was no significant effect on F0 adult behavior immediately following exposure, but locomotor activity was significantly increased in F1 adults of both sexes. Larval behavior (96 hpf, photomotor response assay) was significantly altered in both the F1 and F2 generations. To assess molecular changes associated with BaP exposure, we conducted transcriptome and DNA methylation profiling in F0 gametes (sperm and eggs) and F1 embryos (10 hpf) from all four crosses. Embryos resulting from the BaP male and control female cross had the most differentially expressed genes (DEGs) and differentially methylated regions (DMRs). Some DMRs were associated with genes encoding chromatin modifying enzymes suggesting regulation of chromatin conformation by DNA methylation. Overall, these results suggest that parental dietary BaP exposure significantly contributes to the multigenerational adverse outcomes.
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Affiliation(s)
- Z Pandelides
- Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, University, MS 38677, United States of America
| | - M C Sturgis
- Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, University, MS 38677, United States of America
| | - C Thornton
- Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, University, MS 38677, United States of America
| | - N Aluru
- Biology Department, Woods Hole Oceanographic Institution and Woods Hole Center for Oceans and Human Health, Woods Hole, MA 02543, United States of America
| | - K L Willett
- Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, University, MS 38677, United States of America.
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13
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Sun Y, Zhang C, Luo L, Lin H, Liu C, Zhang W. Paternal genetic intergenerational and transgenerational effects of cadmium exposure on hormone synthesis disorders in progeny ovarian granulosa cells. Environ Pollut 2023; 322:121175. [PMID: 36731734 DOI: 10.1016/j.envpol.2023.121175] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [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: 11/12/2022] [Revised: 01/27/2023] [Accepted: 01/28/2023] [Indexed: 06/18/2023]
Abstract
To investigate the paternal genetic effects of cadmium (Cd) exposure on hormone synthesis disorders in the ovarian granulosa cells (GCs) of offspring. Here, male Sprague‒Dawley (SD) rats were gavaged with CdCl2 (0, 0.5, 2, 8 mg/kg) from postnatal day (PND) 28-56, followed by mating with newly purchased healthy adult females to produce F1, and F1 adult males (PND 56) were mated with newly purchased healthy adult females to produce F2. The serum levels of estradiol (E2) and progesterone (Pg) decreased in F1 but essentially returned to normal in F2. The levels of StAR, CYP11A1, CYP17A1, CYP19A1, and SF-1 showed different alterations in F1 and F2 ovarian GCs. The expression patterns of miRNAs and imprinted genes related to hormone synthesis in GCs of F1 and F2 differed, but methylation of hormone synthesis-related genes was not significantly altered (except for individual loci in F1). In addition, there were significant changes in the expression of imprinted genes and miRNAs in F0 and F1 sperm. We conclude that paternal Cd exposure causes intergenerational genetic effects (hormone synthesis disorders) and transgenerational effects (reparative changes in hormone synthesis function) in ovarian GCs. These genetic effects were related to the downregulation of StAR in F1 and the upregulation of CYP17A1, CYP19A1, StAR and SF-1 in F2. Important changes in miRNAs and imprinted genes were also observed, but not all alterations originated from paternal inheritance.
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Affiliation(s)
- Yi Sun
- Department of Preventive Medicine, Fujian Provincial Key Laboratory of Environmental Factors and Cancer, Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou, 350122, Fujian, China
| | - Chenyun Zhang
- School of Health Management, Fujian Medical University, Fuzhou, 350122, Fujian, China
| | - Lingfeng Luo
- Department of Preventive Medicine, Fujian Provincial Key Laboratory of Environmental Factors and Cancer, Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou, 350122, Fujian, China
| | - Hao Lin
- Fuzhou Center for Disease Control and Prevention, Fuzhou, 350005, Fujian, China
| | - Chenchen Liu
- Department of Preventive Medicine, Fujian Provincial Key Laboratory of Environmental Factors and Cancer, Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou, 350122, Fujian, China
| | - Wenchang Zhang
- Department of Preventive Medicine, Fujian Provincial Key Laboratory of Environmental Factors and Cancer, Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou, 350122, Fujian, China.
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14
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Gong P, Bailbé D, Tolu S, Pommier G, Liu J, Movassat J. Preconceptional exposure of adult male rats to bisphenol S impairs insulin sensitivity and glucose tolerance in their male offspring. Chemosphere 2023; 314:137691. [PMID: 36592828 DOI: 10.1016/j.chemosphere.2022.137691] [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: 09/21/2022] [Revised: 12/07/2022] [Accepted: 12/27/2022] [Indexed: 06/17/2023]
Abstract
Since the use of bisphenol A (BPA) has been restricted because of its endocrine disruptor properties, bisphenol S (BPS) has been widely used as a substitute of BPA. However, BPS exerts similar effects on metabolic health as BPA. The effects of maternal exposure to BPA and BPS on the metabolic health of offspring have been largely documented during the past decade. However, the impact of preconceptional paternal exposure to BPS on progenies remains unexplored. In this study we investigated the impact of paternal exposure to BPS before conception, on the metabolic phenotype of offspring. Male Wistar rats were administered BPS through drinking water at the dose of 4 μg/kg/day (BPS-4 sires) or 40 μg/kg/day (BPS-40 sires) for 2 months before mating with females. The progenies (F1) were studied at fetal stage and in adulthood. We showed that preconceptional paternal exposure to BPS for 2 months did not alter the metabolic status of sires. The female offspring of sires exposed to lower or higher doses of BPS showed no alteration of their metabolic phenotype compared to females from control sires. In contrast, male offspring of BPS-4 sires exhibited increased body weight and body fat/lean ratio, decreased insulin sensitivity and increased glucose-induced insulin secretion at adult age, compared to the male offspring of control sires. Moreover, male offspring of BPS-4 sires developed glucose intolerance later in life. None of these effects were apparent in male offspring of BPS-40 sires. In conclusion, our study provides the first evidence of the non-monotonic and sex-specific effects of preconceptional paternal exposure to BPS on the metabolic health of offspring, suggesting that BPS is not a safe BPA substitute regarding the inter-generational transmission of metabolic disorders through the paternal lineage.
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Affiliation(s)
- Pengfei Gong
- Université Paris Cité, CNRS, Unité de Biologie Fonctionnelle et Adaptative, F-75013, Paris, France
| | - Danielle Bailbé
- Université Paris Cité, CNRS, Unité de Biologie Fonctionnelle et Adaptative, F-75013, Paris, France
| | - Stefania Tolu
- Université Paris Cité, CNRS, Unité de Biologie Fonctionnelle et Adaptative, F-75013, Paris, France
| | - Gaëlle Pommier
- Université Paris Cité, CNRS, Unité de Biologie Fonctionnelle et Adaptative, F-75013, Paris, France; Université Paris Cité, UFR Sciences Du Vivant, F-75013, Paris, France
| | - Junjun Liu
- Shandong Institute of Endocrine and Metabolic Diseases, Shandong First Medical University, Jinan, Shandong, China
| | - Jamileh Movassat
- Université Paris Cité, CNRS, Unité de Biologie Fonctionnelle et Adaptative, F-75013, Paris, France. http://bfa.univ-paris-diderot.fr
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15
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Liu J, Shi J, Hernandez R, Li X, Konchadi P, Miyake Y, Chen Q, Zhou T, Zhou C. Paternal phthalate exposure-elicited offspring metabolic disorders are associated with altered sperm small RNAs in mice. Environ Int 2023; 172:107769. [PMID: 36709676 DOI: 10.1016/j.envint.2023.107769] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 01/11/2023] [Accepted: 01/18/2023] [Indexed: 05/10/2023]
Abstract
Exposure to ubiquitous plastic-associated endocrine disrupting chemicals (EDCs) is associated with the increased risk of many chronic diseases. For example, phthalate exposure is associated with cardiometabolic mortality in humans, with societal costs ∼ $39 billion/year or more. We recently demonstrated that several widely used plastic-associated EDCs increase cardiometabolic disease in appropriate mouse models. In addition to affecting adult health, parental exposure to EDCs has also been shown to cause metabolic disorders, including obesity and diabetes, in the offspring. While most studies have focused on the impact of maternal EDC exposure on the offspring's health, little is known about the effects of paternal EDC exposure. In the current study, we investigated the adverse impact of paternal exposure to a ubiquitous but understudied phthalate, dicyclohexyl phthalate (DCHP) on the metabolic health of F1 and F2 offspring in mice. Paternal DCHP exposure led to exacerbated insulin resistance and impaired insulin signaling in F1 offspring without affecting diet-induced obesity. We previously showed that sperm small non-coding RNAs including tRNA-derived small RNAs (tsRNAs) and rRNA-derived small RNAs (rsRNAs) contribute to the intergenerational transmission of paternally acquired metabolic disorders. Using a novel PANDORA-seq, we revealed that DCHP exposure can lead to sperm tsRNA/rsRNA landscape changes that were undetected by traditional RNA-seq, which may contribute to DCHP-elicited adverse effects. Lastly, we found that paternal DCHP can also cause sex-specific transgenerational adverse effects in F2 offspring and elicited glucose intolerance in female F2 descendants. Our results suggest that exposure to endocrine disrupting phthalates may have intergenerational and transgenerational adverse effects on the metabolic health of their offspring. These findings increase our understanding of the etiology of chronic human diseases originating from chemical-elicited intergenerational and transgenerational effects.
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Affiliation(s)
- Jingwei Liu
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA 92521, United States
| | - Junchao Shi
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA 92521, United States
| | - Rebecca Hernandez
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA 92521, United States
| | - Xiuchun Li
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA 92521, United States
| | - Pranav Konchadi
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA 92521, United States
| | - Yuma Miyake
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA 92521, United States
| | - Qi Chen
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA 92521, United States
| | - Tong Zhou
- Department of Physiology and Cell Biology, University of Nevada, Reno School of Medicine, NV 89557, United States
| | - Changcheng Zhou
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA 92521, United States.
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16
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Yushkova EA. The effects of transpositions of functional I retrotransposons depend on the conditions and dose of parental exposure. Int J Radiat Biol 2022; 99:737-749. [PMID: 36318749 DOI: 10.1080/09553002.2023.2142978] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 08/16/2022] [Accepted: 09/27/2022] [Indexed: 11/12/2022]
Abstract
PURPOSE Transposable elements (TEs) cause destabilization of animal genomes. I retrotransposons of Drosophila melanogaster, as well as human LINE1 retrotransposons, are sources of intra- and interindividual diversity and responses to the action of internal and external factors. The aim of this study was to investigate the response to irradiation for the offspring of Drosophila melanogaster with the increased activity of inherited functional I elements. MATERIALS AND METHODS The material used was dysgenic Drosophila females with active I retrotransposons obtained as a result of crossing irradiated/non-irradiated parents of a certain genotype. Non-dysgenic females (without functional I elements) were used as controls. The effects of different conditions (irradiation of both parents simultaneously or separately) and doses (1-100 Gy) of parental irradiation have been assessed by analyzing SF-sterility, DNA damage and lifespan. The presence of full-size I retrotransposons was determined by PCR analysis. RESULTS The maternal exposure and exposure of both parents are efficient in contrast with paternal exposure. Irradiation of mothers reduces the reproductive potential and viability of their female offspring which undergo high activity of functional I retrotransposons. Though I retrotranspositions negatively affect the female gonads, irradiation of the paternal line can increase the lifespan of SF-sterile females. Radiation stress in the range of 1-100 Gy increases DNA fragmentation in both somatic and germ cells of the ovaries with high I-retrotransposition. CONCLUSIONS These results allow for the specificity of the radiation-induced behavior of I retrotransposons and their role in survival under conditions of strong radiation stress.
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Affiliation(s)
- Elena A Yushkova
- Institute of Biology of Komi Scientific Centre of the Ural Branch of the Russian Academy of Science, Syktyvkar, Russia
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17
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Chen Q, Zhou WZ, Zhou NY, Yang H, Wang YM, Zhang HY, Li QH, Wang NR, Chen HY, Ao L, Liu JY, Zhou ZY, Zhang H, Zhou W, Qi HB, Cao J. [Preconception reproductive health and birth outcome cohort in Chongqing: the cohort profile]. Zhonghua Liu Xing Bing Xue Za Zhi 2022; 43:1134-1139. [PMID: 35856211 DOI: 10.3760/cma.j.cn112338-20220219-00134] [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: 06/15/2023]
Abstract
Birth cohort is an important platform to study the effect of early-life exposure on health outcome, but large cohorts to investigate the effect of preconception exposure, especially paternal exposure, on reproductive health and birth outcome are limited. The Preconception Reproductive Health and Birth Outcome Cohort (PREBIC) is a prospective birth cohort study which pays equal attention to the contribution of environmental, psychological, behavioral as well as other factors to reproductive health and adverse birth outcomes in both men and women in Chongqing, China. PREBIC started in 2019 and plans to recruit 20 800 reproductive-age couples with child-bearing willingness. Followed up was conducted to understand the conception status of the women within two years. Women in pregnancy would be visited at first, second, third trimesters and after delivery. The offspring would be monitored until 2 years old to understand the incidences of preterm birth, low birth weight, birth defects, neurodevelopmental disorders and other outcomes. Related information and biospecimen collections (including semen, peripheral blood, urine, placenta, umbilical cord, cord blood and oral swab) were scheduled in each period. By January 2022, PREBIC had recruited 8 698 participants from all 38 districts in Chongqing. The goal of PREBIC is to establish one of the largest prospective preconception birth cohorts covering both men and women, which might provide a unique insight to understand the effects of the full reproductive cycle on reproductive health and adverse outcomes, with especial emphasis on preconception exposures.
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Affiliation(s)
- Q Chen
- Institute of Toxicology,College of Military Preventive Medicine,Third Military Medical University/Army Medical University,Chongqing 400038,China
| | - W Z Zhou
- Quality Management Department,Women and Children's Hospital of Chongqing Medical University, Chongqing 401120,China
| | - N Y Zhou
- Institute of Toxicology,College of Military Preventive Medicine,Third Military Medical University/Army Medical University,Chongqing 400038,China
| | - H Yang
- Institute of Toxicology,College of Military Preventive Medicine,Third Military Medical University/Army Medical University,Chongqing 400038,China
| | - Y M Wang
- Institute of Toxicology,College of Military Preventive Medicine,Third Military Medical University/Army Medical University,Chongqing 400038,China
| | - H Y Zhang
- Department of Obstetrics and Gynecology, Women and Children's Hospital of Chongqing Medical University, Chongqing 401120,China
| | - Q H Li
- Clinical Laboratory Department,Women and Children's Hospital of Chongqing Medical University, Chongqing 401120,China
| | - N R Wang
- Department of Pediatrics, Women and Children Hospital of Chongqing Medical University, Chongqing 401120,China
| | - H Y Chen
- Quality Management Department,Women and Children's Hospital of Chongqing Medical University, Chongqing 401120,China
| | - L Ao
- Institute of Toxicology,College of Military Preventive Medicine,Third Military Medical University/Army Medical University,Chongqing 400038,China
| | - J Y Liu
- Institute of Toxicology,College of Military Preventive Medicine,Third Military Medical University/Army Medical University,Chongqing 400038,China
| | - Z Y Zhou
- Department of Environmental Health,College of Military Preventive Medicine,Third Military Medical University/Army Medical University,Chongqing 400038,China
| | - H Zhang
- Administration Office,Chongqing Health Center for Women and Children,Chongqing 401120,China
| | - W Zhou
- Administration Office,Chongqing Health Center for Women and Children,Chongqing 401120,China
| | - H B Qi
- Administration Office,Chongqing Health Center for Women and Children,Chongqing 401120,China
| | - Jia Cao
- Institute of Toxicology,College of Military Preventive Medicine,Third Military Medical University/Army Medical University,Chongqing 400038,China
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18
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Abstract
Congenital heart disease (CHD) is the most common congenital abnormality worldwide, affecting 8 to 12 infants per 1000 births globally and causing >40% of prenatal deaths. However, its causes remain mainly unknown, with only up to 15% of CHD cases having a determined genetic cause. Exploring the complex relationship between genetics and environmental exposures is key in understanding the multifactorial nature of the development of CHD. Multiple population-level association studies have been conducted on maternal environmental exposures and their association with CHD, including evaluating the effect of maternal disease, medication exposure, environmental pollution, and tobacco and alcohol use on the incidence of CHD. However, these studies have been done in a siloed manner, with few examining the interplay between multiple environmental exposures. Here, we broadly and qualitatively review the current literature on maternal and paternal prenatal exposures and their association with CHD. We propose using the framework of the emerging field of the exposome, the environmental complement to the genome, to review all internal and external prenatal environmental exposures and identify potentiating or alleviating synergy between exposures. Finally, we propose mechanistic pathways through which susceptibility to development of CHD may be induced via the totality of prenatal environmental exposures, including the interplay between placental and cardiac development and the internal vasculature and placental morphology in early stages of pregnancy.
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19
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Liu Y, Yang K, Wang L, Yang J, Wang Y, Luo H, Li P, Yin Y. Vitamin B6 prevents Isocarbophos-induced posterior cerebral artery injury in offspring rats through up-regulating S1P receptor expression. Acta Biochim Biophys Sin (Shanghai) 2021; 53:1691-1701. [PMID: 34718372 DOI: 10.1093/abbs/gmab150] [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] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Indexed: 11/13/2022] Open
Abstract
We have previously reported that the long-term exposure of Isocarbophos, a kind of organophosphorus compounds, induces vascular dementia (VD) in rats. Studies have also shown that organophosphorus compounds have adverse effects on offsprings. Vitamin B6 is a coenzyme mainly involved in the regulation of metabolism and has been demonstrated to ameliorate VD. Sphingosine-1-phosphate (S1P), a biologically active lipid, plays a vital role in the cardiovascular system. However, whether S1P is involved in the therapeutic effects of Vitamin B6 on posterior cerebral artery injury has yet to be further answered. In the present study, we aimed to explore the potential influence of Vitamin B6 on Isocarbophos-induced posterior cerebral artery injury in offspring rats and the role of the S1P receptor in this process. We found that Vitamin B6 significantly improves the vasoconstriction function of the posterior cerebral artery in rats induced by Isocarbophos by the blood gas analysis and endothelium-dependent relaxation function assay. We further demonstrated that Vitamin B6 alleviates the Isocarbophos-induced elevation of ICAM-1, VCAM-1, IL-1, and IL-6 by using the enzyme-linked immunosorbent assay kits. By performing immunofluorescence and the western blot assay, we revealed that Vitamin B6 prevents the down-regulation of S1P in posterior cerebral artery injury. It is worth noting that Fingolimod, the S1P inhibitor, significantly inhibits the Vitamin B6-induced up-regulation of S1P in posterior cerebral artery injury. Collectively, our data indicate that Vitamin B6 may be a novel drug for the treatment of posterior cerebral artery injury and that S1P may be a drug target for its treatment.
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Affiliation(s)
- Yanhua Liu
- College of pharmacy, Xinxiang Medical University, Xinxiang 453003, China
- Henan International Joint Laboratory of Cardiovascular Remodeling and Drug Intervention, Xinxiang 453003, China
- Xinxiang Key Laboratory of Vascular Remodeling Intervention and Molecular Targeted Therapy Drug Development, Xinxiang 453003, China
| | - Kunli Yang
- Department of Physiology, North Sichuan Medical College, Nanchong 637007, China
| | - Ling Wang
- College of pharmacy, Xinxiang Medical University, Xinxiang 453003, China
- Henan International Joint Laboratory of Cardiovascular Remodeling and Drug Intervention, Xinxiang 453003, China
- Xinxiang Key Laboratory of Vascular Remodeling Intervention and Molecular Targeted Therapy Drug Development, Xinxiang 453003, China
- The First Affiliated Hospital, Xinxiang Medical University, Xinxiang 453003, China
| | - Jinfang Yang
- College of pharmacy, Xinxiang Medical University, Xinxiang 453003, China
- Henan International Joint Laboratory of Cardiovascular Remodeling and Drug Intervention, Xinxiang 453003, China
- Xinxiang Key Laboratory of Vascular Remodeling Intervention and Molecular Targeted Therapy Drug Development, Xinxiang 453003, China
- Zhengzhou No.7 People's Hospital, Zhengzhou 450016, China
| | - Yang Wang
- College of pharmacy, Xinxiang Medical University, Xinxiang 453003, China
- Henan International Joint Laboratory of Cardiovascular Remodeling and Drug Intervention, Xinxiang 453003, China
- Xinxiang Key Laboratory of Vascular Remodeling Intervention and Molecular Targeted Therapy Drug Development, Xinxiang 453003, China
- The Third Affiliated Hospital, Xinxiang Medical University, Xinxiang 453003, China
| | - Hu Luo
- College of pharmacy, Xinxiang Medical University, Xinxiang 453003, China
- Henan International Joint Laboratory of Cardiovascular Remodeling and Drug Intervention, Xinxiang 453003, China
- Xinxiang Key Laboratory of Vascular Remodeling Intervention and Molecular Targeted Therapy Drug Development, Xinxiang 453003, China
| | - Peng Li
- College of pharmacy, Xinxiang Medical University, Xinxiang 453003, China
- Henan International Joint Laboratory of Cardiovascular Remodeling and Drug Intervention, Xinxiang 453003, China
- Xinxiang Key Laboratory of Vascular Remodeling Intervention and Molecular Targeted Therapy Drug Development, Xinxiang 453003, China
| | - Yaling Yin
- Henan International Joint Laboratory of Cardiovascular Remodeling and Drug Intervention, Xinxiang 453003, China
- Xinxiang Key Laboratory of Vascular Remodeling Intervention and Molecular Targeted Therapy Drug Development, Xinxiang 453003, China
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang 453003, China
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20
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Jaakkola JM, Rovio SP, Pahkala K, Viikari J, Rönnemaa T, Jula A, Niinikoski H, Mykkänen J, Juonala M, Hutri-Kähönen N, Kähönen M, Lehtimäki T, Raitakari OT. Childhood exposure to parental smoking and life-course overweight and central obesity. Ann Med 2021; 53:208-216. [PMID: 33305629 PMCID: PMC7901689 DOI: 10.1080/07853890.2020.1853215] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Accepted: 11/14/2020] [Indexed: 12/19/2022] Open
Abstract
OBJECTIVE To evaluate the association between childhood parental smoking exposure and the risk of overweight/obesity from childhood to adulthood. METHODS This study leverages the data from two longitudinal population based cohort studies, the Cardiovascular Risk in Young Finns Study between years 1980-2011/2012 (YFS; N = 2,303; baseline age 3-18 years) and the Special Turku Coronary Risk Factor Intervention Project between years 1989-2009/2010 (STRIP; N = 632; baseline age 7 months). Weight, height and waist circumference were measured from childhood to adulthood. Overweight/obesity was defined as body mass index ≥25 kg/m2 in adults and using the Cole criteria in children. Central obesity was defined as waist circumference > 100/90 cm in men/women and as a waist-to-height ratio > 0.50 in children. Statistical analyses were adjusted for age, sex, socioeconomic status, smoking, birth weight, parental ages, diet and physical activity. RESULTS Childhood parental smoking exposure was associated with increased risk for life-course overweight/obesity (YFS: RR1.13, 95%CI 1.02-1.24; STRIP: RR1.57, 95%CI 1.10-2.26) and central obesity (YFS: RR1.18, 95%CI 1.01-1.38; STRIP: RR1.45, 95%CI 0.98-2.15). CONCLUSIONS Childhood exposure to parental smoking is associated with increased risk of overweight/obesity over the life-course. KEY MESSAGES Exposure to parental smoking in childhood was associated with increased risk of overweight/obesity, central obesity and adiposity measured by skinfold thickness from childhood to adulthood.
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Affiliation(s)
- Johanna M. Jaakkola
- Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Turku, Finland
- Centre for Population Health Research, University of Turku and Turku University Hospital, Turku, Finland
| | - Suvi P. Rovio
- Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Turku, Finland
- Centre for Population Health Research, University of Turku and Turku University Hospital, Turku, Finland
| | - Katja Pahkala
- Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Turku, Finland
- Centre for Population Health Research, University of Turku and Turku University Hospital, Turku, Finland
- Paavo Nurmi Centre, Sports and Exercise Medicine Unit, Department of Health and Physical activity, University of Turku, Turku, Finland
| | - Jorma Viikari
- Department of Medicine, University of Turku, Turku, Finland
- Division of Medicine, Turku University Hospital, Turku, Finland
| | - Tapani Rönnemaa
- Department of Medicine, University of Turku, Turku, Finland
- Division of Medicine, Turku University Hospital, Turku, Finland
| | - Antti Jula
- Department of Chronic Disease Prevention, Institute for Health and Welfare, Turku, Finland
| | - Harri Niinikoski
- Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Turku, Finland
- Centre for Population Health Research, University of Turku and Turku University Hospital, Turku, Finland
- Department of Pediatrics, Turku University Hospital, Turku, Finland
| | - Juha Mykkänen
- Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Turku, Finland
- Centre for Population Health Research, University of Turku and Turku University Hospital, Turku, Finland
| | - Markus Juonala
- Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Turku, Finland
- Centre for Population Health Research, University of Turku and Turku University Hospital, Turku, Finland
- Department of Medicine, University of Turku, Turku, Finland
- Division of Medicine, Turku University Hospital, Turku, Finland
| | - Nina Hutri-Kähönen
- Department of Pediatrics, Tampere University Hospital, and Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Mika Kähönen
- Department of Clinical Physiology, Tampere University Hospital and Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Terho Lehtimäki
- Department of Clinical Chemistry, Fimlab Laboratories and Finnish Cardiovascular Research Center-Tampere, Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Olli T. Raitakari
- Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Turku, Finland
- Centre for Population Health Research, University of Turku and Turku University Hospital, Turku, Finland
- Department Clinical Physiology and Nuclear Medicine, Turku University Hospital, Turku, Finland
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21
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Hu C, Tao Y, Deng Y, Cai Q, Ren H, Yu C, Zheng S, Yang J, Zeng C. Paternal long-term PM2.5 exposure causes hypertension via increased renal AT1R expression and function in male offspring. Clin Sci (Lond) 2021; 135:2575-2588. [PMID: 34779863 PMCID: PMC8628185 DOI: 10.1042/cs20210802] [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] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 11/10/2021] [Accepted: 11/15/2021] [Indexed: 01/15/2023]
Abstract
Maternal exposure to fine particulate matter (PM2.5) causes hypertension in offspring. However, paternal contribution of PM2.5 exposure to hypertension in offspring remains unknown. In the present study, male Sprague-Dawley rats were treated with PM2.5 suspension (10 mg/ml) for 12 weeks and/or fed with tap water containing an antioxidant tempol (1 mM/L) for 16 weeks. The blood pressure, 24 h-urine volume and sodium excretion were determined in male offspring. The offspring were also administrated with losartan (20 mg/kg/d) for 4 weeks. The expressions of angiotensin II type 1 receptor (AT1R) and G-protein-coupled receptor kinase type 4 (GRK4) were determined by qRT-PCR and immunoblotting. We found that long-term PM2.5 exposure to paternal rats caused hypertension and impaired urine volume and sodium excretion in male offspring. Both the mRNA and protein expression of GRK4 and its downstream target AT1R were increased in offspring of PM2.5-exposed paternal rats, which was reflected in its function because treatment with losartan, an AT1R antagonist, decreased the blood pressure and increased urine volume and sodium excretion. In addition, the oxidative stress level was increased in PM2.5-treated paternal rats. Administration with tempol in paternal rats restored the increased blood pressure and decreased urine volume and sodium excretion in the offspring of PM2.5-exposed paternal rats. Treatment with tempol in paternal rats also reversed the increased expressions of AT1R and GRK4 in the kidney of their offspring. We suggest that paternal PM2.5 exposure causes hypertension in offspring. The mechanism may be involved that paternal PM2.5 exposure-associated oxidative stress induces the elevated renal GRK4 level, leading to the enhanced AT1R expression and its-mediated sodium retention, consequently causes hypertension in male offspring.
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Affiliation(s)
- Cuimei Hu
- Department of Cardiology, Daping Hospital, The Third Military Medical University, Chongqing, China
- Chongqing Key Laboratory for Hypertension Research, Chongqing Cardiovascular Clinical Research Center, Chongqing Institute of Cardiology, Chongqing, P. R. China
| | - Yu Tao
- Department of Cardiology, Daping Hospital, The Third Military Medical University, Chongqing, China
- Chongqing Key Laboratory for Hypertension Research, Chongqing Cardiovascular Clinical Research Center, Chongqing Institute of Cardiology, Chongqing, P. R. China
| | - Yi Deng
- Department of General Practice Medicine, The General Hospital of Western Theater Command, Chengdu, Sichuan, China
| | - Qi Cai
- Department of Cardiology, Fujian Heart Center, Provincial Institute of Coronary Disease, Fujian Medical University Union Hospital, Fuzhou, Fujian, China
| | - Hongmei Ren
- Department of Cardiology, Daping Hospital, The Third Military Medical University, Chongqing, China
- Chongqing Key Laboratory for Hypertension Research, Chongqing Cardiovascular Clinical Research Center, Chongqing Institute of Cardiology, Chongqing, P. R. China
| | - Cheng Yu
- Department of Cardiology, Fujian Heart Center, Provincial Institute of Coronary Disease, Fujian Medical University Union Hospital, Fuzhou, Fujian, China
| | - Shuo Zheng
- Department of Cardiology, Daping Hospital, The Third Military Medical University, Chongqing, China
- Chongqing Key Laboratory for Hypertension Research, Chongqing Cardiovascular Clinical Research Center, Chongqing Institute of Cardiology, Chongqing, P. R. China
| | - Jian Yang
- Department of Clinical Nutrition, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Chunyu Zeng
- Department of Cardiology, Daping Hospital, The Third Military Medical University, Chongqing, China
- Chongqing Key Laboratory for Hypertension Research, Chongqing Cardiovascular Clinical Research Center, Chongqing Institute of Cardiology, Chongqing, P. R. China
- State Key Laboratory of Trauma, Burns and Combined Injury, Daping Hospital, The Third Military Medical University, Chongqing, China
- Cardiovascular Research Center of Chongqing College, Department of Cardiology of Chongqing General Hospital, University of Chinese Academy of Sciences, Chongqing, China
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22
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McCarthy DM, Bhide PG. Heritable consequences of paternal nicotine exposure: from phenomena to mechanisms†. Biol Reprod 2021; 105:632-643. [PMID: 34126634 PMCID: PMC8444703 DOI: 10.1093/biolre/ioab116] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [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: 03/29/2021] [Revised: 05/14/2021] [Accepted: 06/07/2021] [Indexed: 12/25/2022] Open
Abstract
Our understanding of the interactions between genetic and environmental factors in shaping behavioral phenotypes has expanded to include environment-induced epigenetic modifications and the intriguing possibility of their association with heritable behavioral phenotypes. The molecular basis of heritability of phenotypes arising from environment-induced epigenetic modifications is not well defined yet. However, phenomenological evidence in favor of it is accumulating rapidly. The resurgence of interest has led to focus on epigenetic modification of germ cells as a plausible mechanism of heritability. Perhaps partly because of practical reasons such as ease of access to male germ cells compared to female germ cells, attention has turned toward heritable effects of environmental influences on male founders. Public health implications of heritable effects of paternal exposures to addictive substances or to psycho-social factors may be enormous. Considering nicotine alone, over a billion people worldwide use nicotine-containing products, and the majority are men. Historically, the adverse effects of nicotine use by pregnant women received much attention by scientists and public policy experts alike. The implications of nicotine use by men for the physical and mental well-being of their children were not at the forefront of research until recently. Here, we review progress in the emerging field of heritable effects of paternal nicotine exposure and its implications for behavioral health of individuals in multiple generations.
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Affiliation(s)
- Deirdre M McCarthy
- Department of Biomedical Sciences, Florida State University College of Medicine, Tallahassee, FL, 32306, USA
| | - Pradeep G Bhide
- Department of Biomedical Sciences, Florida State University College of Medicine, Tallahassee, FL, 32306, USA
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23
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Hall C, Hansen J, Olsen J, He D, von Ehrenstein OS, Ritz B, Heck JE. Parental occupation and childhood germ cell tumors: a case-control study in Denmark, 1968-2016. Cancer Causes Control 2021; 32:827-836. [PMID: 33907877 PMCID: PMC8236473 DOI: 10.1007/s10552-021-01434-0] [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] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 04/13/2021] [Indexed: 11/28/2022]
Abstract
PURPOSE To examine associations between parental occupation and childhood germ cell tumors (GCTs) in offspring while distinguishing by common histologic subtype (i.e., yolk sac tumor and teratoma). METHODS This population-based case-control study included childhood GCT cases in Denmark diagnosed 1968-2015 (< 16 years old at diagnosis) and sex and birth year-matched controls. Demographic information and parental employment histories were obtained from Danish registries. Parental occupation was assessed by industry; job-exposure matrices were used to examine specific occupational exposures (i.e., potentially carcinogenic organic solvents and social contact). Conditional multivariable logistic regression models were used to estimate odds ratios (OR) and 95% confidence intervals (CIs). RESULTS Overall, 178 childhood GCT cases (50 yolk sac tumors; 65 teratomas) and 4,355 controls were included for analysis. Maternal employment in education during pregnancy was associated with offspring GCTs (OR 2.45, 95% CI 1.23-4.90), especially yolk sac tumors (OR 5.27, 95% CI 1.94-14.28). High levels of both maternal and paternal occupational social contact were also associated with offspring yolk sac tumors across all exposure periods (ORs 2.30-4.63). No signals were observed for paternal occupational solvent exposure, while imprecise associations were estimated for maternal exposure (e.g., dichloromethane exposure during pregnancy, OR 1.51, 95% CI 0.77-2.95). CONCLUSION Our findings suggest that parental occupation is associated with offspring GCTs, with most consistent evidence supporting an association between maternal employment in education or other high social contact jobs and offspring yolk sac tumors.
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Affiliation(s)
- Clinton Hall
- Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, Los Angeles, CA, USA
| | - Johnni Hansen
- Danish Cancer Society Research Center, Danish Cancer Society, Copenhagen, Denmark
| | - Jørn Olsen
- Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, Los Angeles, CA, USA
- Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
| | - Di He
- Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, Los Angeles, CA, USA
| | - Ondine S von Ehrenstein
- Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, Los Angeles, CA, USA
- Department of Community Health Sciences, Fielding School of Public Health, University of California, Los Angeles, Los Angeles, CA, USA
| | - Beate Ritz
- Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, Los Angeles, CA, USA
| | - Julia E Heck
- Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, Los Angeles, CA, USA.
- College of Health and Public Service, University of North Texas, Denton, TX, USA.
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24
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Rimawi I, Ornoy A, Yanai J. Paternal and/or maternal preconception-induced neurobehavioral teratogenicity in animal and human models. Brain Res Bull 2021; 174:103-121. [PMID: 34087361 DOI: 10.1016/j.brainresbull.2021.05.026] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [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: 03/30/2021] [Revised: 05/06/2021] [Accepted: 05/28/2021] [Indexed: 01/15/2023]
Abstract
Prenatal insult exposure effects on the offspring, have and are still considered the main interest of most teratological studies, while paternal and maternal preconception effects have received relatively little interest. Once thought to be a myth, paternal exposure to insults leading to numerous detrimental effects in the offspring, has been confirmed on several occasions and is gaining increased attention. These effects could be demonstrated molecularly, biochemically and/or behaviorally. Different epigenetic mechanisms have been proposed for these effects to occur, including DNA methylation, histone modification and sperm RNA transmission. Paternal insult exposure has been shown to cause several neurobehavioral and developmental defects in the offspring. Findings on parental insult exposure effects on the progeny will be discussed in this review, with the main focus being on neurobehavioral effects after parental preconceptional exposure. The exposure to the insults induced long-lasting, mostly marked, defects. A few pioneering, prevention and reversal studies were published. Interestingly, most studies were conducted on paternal exposure and, at the present state of this field, on animal models. Clinical translation remains the subsequent challenge.
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Affiliation(s)
- Issam Rimawi
- The Ross Laboratory for Studies in Neural Birth Defects, Department of Medical Neurobiology, Institute for Medical Research - Israel-Canada and The Hebrew University-Hadassah Medical School, Box 12272, 91120, Jerusalem, Israel
| | - Asher Ornoy
- Adelson School of Medicine, Ariel University, Israel; Laboratory of Teratology, department of Medical Neurobiology, Institute for Medical Research - Israel-Canada and The Hebrew University-Hadassah Medical School, Box 12272, 91120 Jerusalem, Israel
| | - Joseph Yanai
- The Ross Laboratory for Studies in Neural Birth Defects, Department of Medical Neurobiology, Institute for Medical Research - Israel-Canada and The Hebrew University-Hadassah Medical School, Box 12272, 91120, Jerusalem, Israel; Department of Pharmacology and Cancer Biology, Duke University Medical Center, Durham, NC, 27710, USA.
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25
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Zhang Y, Mustieles V, Williams PL, Wylie BJ, Souter I, Calafat AM, Demokritou M, Lee A, Vagios S, Hauser R, Messerlian C. Parental preconception exposure to phenol and phthalate mixtures and the risk of preterm birth. Environ Int 2021; 151:106440. [PMID: 33640694 PMCID: PMC8488320 DOI: 10.1016/j.envint.2021.106440] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 01/22/2021] [Accepted: 02/01/2021] [Indexed: 05/21/2023]
Abstract
BACKGROUND Parental preconception exposure to select phenols and phthalates was previously associated with increased risk of preterm birth in single chemical analyses. However, the joint effect of phenol and phthalate mixtures on preterm birth is unknown. METHODS We included 384 female and 211 male (203 couples) participants seeking infertility treatment in the Environment and Reproductive Health (EARTH) Study who gave birth to 384 singleton infants between 2005 and 2018. Mean preconception urinary concentrations of bisphenol A (BPA), parabens, and eleven phthalate biomarkers, including di(2-ethylhexyl) phthalate (DEHP) metabolites, were examined. We used principal component analysis (PCA) with log-Poisson regression and Probit Bayesian Kernel Machine Regression (BKMR) with hierarchical variable selection to examine maternal and paternal phenol and phthalate mixtures in relation to preterm birth. Couple-based BKMR model was fit to assess couples' joint mixtures in relation to preterm birth. RESULTS PCA identified the same four factors for maternal and paternal preconception mixtures. Each unit increase in PCA scores of maternal (adjusted Risk Ratio (aRR): 1.36, 95%CI: 1.00, 1.84) and paternal (aRR: 1.47, 95%CI: 0.90, 2.42) preconception DEHP-BPA factor was positively associated with preterm birth. Maternal and paternal BKMR models consistently presented the DEHP-BPA factor with the highest group Posterior Inclusion Probability (PIP). BKMR models further showed that maternal preconception BPA and mono(2-ethyl-5-hydroxyhexyl) phthalate, and paternal preconception mono(2-ethylhexyl) phthalate were positively associated with preterm birth when the remaining mixture components were held at their median concentrations. Couple-based BKMR models showed a similar relative contribution of paternal (PIP: 61%) and maternal (PIP: 77%) preconception mixtures on preterm birth. We found a positive joint effect on preterm birth across increasing quantiles of couples' total mixture concentrations. CONCLUSION In this prospective cohort of subfertile couples, maternal BPA and DEHP, and paternal DEHP exposure before conception were positively associated with preterm birth. Both parental windows jointly contributed to the outcome. These results suggest that preterm birth may be a couple-based pregnancy outcome.
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Affiliation(s)
- Yu Zhang
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA; Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Vicente Mustieles
- University of Granada, Center for Biomedical Research (CIBM), Spain; Instituto de Investigación Biosanitaria Ibs GRANADA, Spain; Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), 18100, Spain
| | - Paige L Williams
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA; Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Blair J Wylie
- Department of Obstetrics and Gynecology, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Irene Souter
- Massachusetts General Hospital Fertility Center, Harvard Medical School, Boston, MA, USA; Vincent Center for Reproductive Biology, Department of Obstetrics and Gynecology, Massachusetts General Hospital, Boston, MA, USA
| | - Antonia M Calafat
- National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Melina Demokritou
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Alexandria Lee
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Stylianos Vagios
- Massachusetts General Hospital Fertility Center, Harvard Medical School, Boston, MA, USA; Vincent Center for Reproductive Biology, Department of Obstetrics and Gynecology, Massachusetts General Hospital, Boston, MA, USA
| | - Russ Hauser
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA; Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Carmen Messerlian
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA; Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA; Massachusetts General Hospital Fertility Center, Harvard Medical School, Boston, MA, USA; Vincent Center for Reproductive Biology, Department of Obstetrics and Gynecology, Massachusetts General Hospital, Boston, MA, USA.
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26
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Gong P, Bailbé D, Bianchi L, Pommier G, Liu J, Tolu S, Stathopoulou MG, Portha B, Grandjean V, Movassat J. Paternal High-Protein Diet Programs Offspring Insulin Sensitivity in a Sex-Specific Manner. Biomolecules 2021; 11:biom11050751. [PMID: 34069853 PMCID: PMC8157381 DOI: 10.3390/biom11050751] [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] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 05/06/2021] [Accepted: 05/10/2021] [Indexed: 11/16/2022] Open
Abstract
The impact of maternal nutrition on offspring is well documented. However, the implication of pre-conceptional paternal nutrition on the metabolic health of the progeny remains underexplored. Here, we investigated the impact of paternal high-protein diet (HPD, 43.2% protein) consumption on the endocrine pancreas and the metabolic phenotype of offspring. Male Wistar rats were given HPD or standard diet (SD, 18.9% protein) for two months. The progenies (F1) were studied at fetal stage and in adulthood. Body weight, glycemia, glucose tolerance (GT), glucose-induced insulin secretion in vivo (GIIS) and whole-body insulin sensitivity were assessed in male and female F1 offspring. Insulin sensitivity, GT and GIIS were similar between F1 females from HPD (HPD/F1) and SD fathers (SD/F1). Conversely, male HPD/F1 exhibited increased insulin sensitivity (p < 0.05) and decreased GIIS (p < 0.05) compared to male SD/F1. The improvement of insulin sensitivity in HPD/F1 was sustained even after 2 months of high-fat feeding. In male HPD/F1, the β cell mass was preserved and the β cell plasticity, following metabolic challenge, was enhanced compared to SD/F1. In conclusion, we provide the first evidence of a sex-specific impact of paternal HPD on the insulin sensitivity and GIIS of their descendants, demonstrating that changes in paternal nutrition alter the metabolic status of their progeny in adulthood.
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Affiliation(s)
- Pengfei Gong
- Université de Paris, BFA, UMR 8251, CNRS, Team “Biologie et Pathologie du Pancréas Endocrine”, 75013 Paris, France; (P.G.); (D.B.); (L.B.); (G.P.); (S.T.); (B.P.)
| | - Danielle Bailbé
- Université de Paris, BFA, UMR 8251, CNRS, Team “Biologie et Pathologie du Pancréas Endocrine”, 75013 Paris, France; (P.G.); (D.B.); (L.B.); (G.P.); (S.T.); (B.P.)
| | - Lola Bianchi
- Université de Paris, BFA, UMR 8251, CNRS, Team “Biologie et Pathologie du Pancréas Endocrine”, 75013 Paris, France; (P.G.); (D.B.); (L.B.); (G.P.); (S.T.); (B.P.)
| | - Gaëlle Pommier
- Université de Paris, BFA, UMR 8251, CNRS, Team “Biologie et Pathologie du Pancréas Endocrine”, 75013 Paris, France; (P.G.); (D.B.); (L.B.); (G.P.); (S.T.); (B.P.)
| | - Junjun Liu
- Shandong Institute of Endocrine and Metabolic Diseases, Shandong First Medical University, Jinan 250000, China;
| | - Stefania Tolu
- Université de Paris, BFA, UMR 8251, CNRS, Team “Biologie et Pathologie du Pancréas Endocrine”, 75013 Paris, France; (P.G.); (D.B.); (L.B.); (G.P.); (S.T.); (B.P.)
| | - Maria G. Stathopoulou
- Université Côte d’Azur, Inserm, C3M, Team Control of Gene Expression (10), 06103 Nice, France; (M.G.S.); (V.G.)
| | - Bernard Portha
- Université de Paris, BFA, UMR 8251, CNRS, Team “Biologie et Pathologie du Pancréas Endocrine”, 75013 Paris, France; (P.G.); (D.B.); (L.B.); (G.P.); (S.T.); (B.P.)
| | - Valérie Grandjean
- Université Côte d’Azur, Inserm, C3M, Team Control of Gene Expression (10), 06103 Nice, France; (M.G.S.); (V.G.)
| | - Jamileh Movassat
- Université de Paris, BFA, UMR 8251, CNRS, Team “Biologie et Pathologie du Pancréas Endocrine”, 75013 Paris, France; (P.G.); (D.B.); (L.B.); (G.P.); (S.T.); (B.P.)
- Correspondence: ; Tel.: +33-1-57-27-77-82; Fax: +33-1-57-27-77-91
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27
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Gong Y, Xue Y, Li X, Zhang Z, Zhou W, Marcolongo P, Benedetti A, Mao S, Han L, Ding G, Sun Z. Inter- and Transgenerational Effects of Paternal Exposure to Inorganic Arsenic. Adv Sci (Weinh) 2021; 8:2002715. [PMID: 33854880 PMCID: PMC8025034 DOI: 10.1002/advs.202002715] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Revised: 11/26/2020] [Indexed: 05/03/2023]
Abstract
The rise of metabolic disorders in modern times is mainly attributed to the environment. However, heritable effects of environmental chemicals on mammalian offsprings' metabolic health are unclear. Inorganic arsenic (iAs) is the top chemical on the Agency for Toxic Substances and Disease Registry priority list of hazardous substances. Here, we assess cross-generational effects of iAs in an exclusive male-lineage transmission paradigm. The exposure of male mice to 250 ppb iAs causes glucose intolerance and hepatic insulin resistance in F1 females, but not males, without affecting body weight. Hepatic expression of glucose metabolic genes, glucose output, and insulin signaling are disrupted in F1 females. Inhibition of the glucose 6-phosphatase complex masks the intergenerational effect of iAs, demonstrating a causative role of hepatic glucose production. F2 offspring from grandpaternal iAs exposure show temporary growth retardation at an early age, which diminishes in adults. However, reduced adiposity persists into middle age and is associated with altered gut microbiome and increased brown adipose thermogenesis. In contrast, F3 offspring of the male-lineage iAs exposure show increased adiposity, especially on a high-calorie diet. These findings have unveiled sex- and generation-specific heritable effects of iAs on metabolic physiology, which has broad implications in understanding gene-environment interactions.
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Affiliation(s)
- Yingyun Gong
- Department of Endocrinology and MetabolismThe First Affiliated Hospital of Nanjing Medical UniversityNanjing210029China
- Division of EndocrinologyDepartment of MedicineBaylor College of MedicineHoustonTX77030USA
| | - Yanfeng Xue
- Division of EndocrinologyDepartment of MedicineBaylor College of MedicineHoustonTX77030USA
- National Center for International Research on Animal Gut NutritionCollege of Animal Science and TechnologyNanjing Agricultural UniversityNanjing210095China
| | - Xin Li
- Division of EndocrinologyDepartment of MedicineBaylor College of MedicineHoustonTX77030USA
| | - Zhao Zhang
- Department of Biochemistry and Molecular BiologyMcGovern Medical SchoolUniversity of Texas Health Science Center at HoustonHoustonTX77030USA
| | - Wenjun Zhou
- Division of EndocrinologyDepartment of MedicineBaylor College of MedicineHoustonTX77030USA
| | - Paola Marcolongo
- Department of Molecular and Developmental MedicineUniversity of SienaSiena53100Italy
| | - Angiolo Benedetti
- Department of Molecular and Developmental MedicineUniversity of SienaSiena53100Italy
| | - Shengyong Mao
- National Center for International Research on Animal Gut NutritionCollege of Animal Science and TechnologyNanjing Agricultural UniversityNanjing210095China
| | - Leng Han
- Department of Biochemistry and Molecular BiologyMcGovern Medical SchoolUniversity of Texas Health Science Center at HoustonHoustonTX77030USA
| | - Guolian Ding
- Division of EndocrinologyDepartment of MedicineBaylor College of MedicineHoustonTX77030USA
- Obstetrics and Gynecology Hospital, Institute of Reproduction and Development, Fudan UniversityShanghai Key Laboratory of Embryo Original DiseasesShanghai200011China
| | - Zheng Sun
- Division of EndocrinologyDepartment of MedicineBaylor College of MedicineHoustonTX77030USA
- Department of Molecular and Cellular BiologyBaylor College of MedicineHoustonTX77030USA
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De Serrano AR, Hughes KA, Rodd FH. Paternal exposure to a common pharmaceutical (Ritalin) has transgenerational effects on the behaviour of Trinidadian guppies. Sci Rep 2021; 11:3985. [PMID: 33597600 PMCID: PMC7889922 DOI: 10.1038/s41598-021-83448-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 02/02/2021] [Indexed: 01/04/2023] Open
Abstract
Evidence is emerging that paternal effects, the nongenetic influence of fathers on their offspring, can be transgenerational, spanning several generations. Methylphenidate hydrochloride (MPH; e.g. Ritalin) is a dopaminergic drug that is highly prescribed to adolescent males for the treatment of Attention-deficit/hyperactivity disorder. It has been suggested that MPH could cause transgenerational effects because MPH can affect the male germline in rodents and because paternal effects have been observed in individuals taking similar drugs (e.g. cocaine). Despite these concerns, the transgenerational effects of paternal MPH exposure are unknown. Therefore, we exposed male and female Trinidadian guppies (Poecilia reticulata) to a low, chronic dose of MPH and observed that MPH affected the anxiety/exploratory behaviour of males, but not females. Because of this male-specific effect, we investigated the transgenerational effects of MPH through the paternal line. We observed behavioural effects of paternal MPH exposure on offspring and great-grandoffspring that were not directly administered the drug, making this the first study to demonstrate that paternal MPH exposure can affect descendants. These effects were not due to differential mortality or fecundity between control and MPH lines. These results highlight the transgenerational potential of MPH.
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Affiliation(s)
- Alex R De Serrano
- Department of Ecology and Evolutionary Biology, University of Toronto, 25 Willcocks St, Toronto, ON, M5S 3B2, Canada.
| | - Kimberly A Hughes
- Department of Biological Science, Florida State University, 319 Stadium Dr, Tallahassee, FL, 32304, USA
| | - F Helen Rodd
- Department of Ecology and Evolutionary Biology, University of Toronto, 25 Willcocks St, Toronto, ON, M5S 3B2, Canada
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Szakács Z, Hegyi PJ, Farkas N, Hegyi P, Balaskó M, Erős A, Szujó S, Pammer J, Mosdósi B, Simon M, Nagy A, Für G, Hussain A. Pregnancy outcomes of women whom spouse fathered children after tyrosine kinase inhibitor therapy for chronic myeloid leukemia: A systematic review. PLoS One 2020; 15:e0243045. [PMID: 33270732 PMCID: PMC7714354 DOI: 10.1371/journal.pone.0243045] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Accepted: 11/13/2020] [Indexed: 12/29/2022] Open
Abstract
INTRODUCTION The introduction of tyrosine kinase inhibitors (TKIs) has revolutionized the therapy of chronic myeloid leukemia (CML). Although the efficacy of TKIs is beyond dispute, conception-related safety issues are still waiting to be explored, particularly in males. This systematic review aimed to summarize all available evidence on pregnancy outcomes of female spouses of male CML patients who fathered children after TKI treatment for CML. METHODS We performed a systematic search in seven electronic databases for studies that reported on male CML patients who did or did not discontinue TKI treatment before conceiving, and the pregnancy outcomes of their female spouse are available. The search centered on the TKI era (from 2001 onward) without any other language or study design restrictions. RESULTS Out of a total of 38 potentially eligible papers, 27 non-overlapping study cohorts were analyzed. All were descriptive studies (case or case series studies). Altogether, 428 pregnancies from 374 fathers conceived without treatment discontinuation, 400 of which (93.5%) ended up in a live birth. A total of ten offspring with a malformation (2.5%) were reported: six with imatinib (of 313 live births, 1.9%), two with nilotinib (of 26 live births, 7.7%), one with dasatinib (of 43 live births, 2.3%), and none with bosutinib (of 12 live births). Data on CML status were scarcely reported. Only nine pregnancies (from nine males) and no malformation were reported in males who discontinued TKI treatment before conception. CONCLUSION Malformations affected, on average 2.5% of live births from fathers who did not discontinue TKI treatment before conception, which is comparable with the rate of malformations in the general population. Large-scale studies with representative samples are awaited to confirm our results.
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Affiliation(s)
- Zsolt Szakács
- Institute for Translational Medicine, Medical School, University of Pécs, Pécs, Hungary
- Szentágothai Research Centre, University of Pécs, Pécs, Hungary
| | - Péter Jenő Hegyi
- Institute for Translational Medicine, Medical School, University of Pécs, Pécs, Hungary
| | - Nelli Farkas
- Institute of Bioanalysis, Medical School, University of Pécs, Pécs, Hungary
| | - Péter Hegyi
- Institute for Translational Medicine, Medical School, University of Pécs, Pécs, Hungary
| | - Márta Balaskó
- Institute for Translational Medicine, Medical School, University of Pécs, Pécs, Hungary
| | - Adrienn Erős
- Institute for Translational Medicine, Medical School, University of Pécs, Pécs, Hungary
- Szentágothai Research Centre, University of Pécs, Pécs, Hungary
| | - Szabina Szujó
- Division of Hematology, First Department of Medicine, Medical School, University of Pécs, Pécs, Hungary
| | - Judit Pammer
- Division of Hematology, First Department of Medicine, Medical School, University of Pécs, Pécs, Hungary
| | - Bernadett Mosdósi
- Department of Paediatrics, Medical School, University of Pécs, Pécs, Hungary
| | - Mária Simon
- Department of Psychiatry and Psychotherapy, Medical School, University of Pécs, Pécs, Hungary
| | - Arnold Nagy
- Department of Paediatrics, Medical School, University of Pécs, Pécs, Hungary
| | - Gabriella Für
- Institute of Pathophysiology, University of Szeged, Pécs, Hungary
| | - Alizadeh Hussain
- Division of Hematology, First Department of Medicine, Medical School, University of Pécs, Pécs, Hungary
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Bazyka D, Hatch M, Gudzenko N, Cahoon EK, Drozdovitch V, Little MP, Chumak V, Bakhanova E, Belyi D, Kryuchkov V, Golovanov I, Mabuchi K, Illienko I, Belayev Y, Bodelon C, Machiela MJ, Hutchinson A, Yeager M, Berrington de González A, Chanock SJ. Field Study of the Possible Effect of Parental Irradiation on the Germline of Children Born to Cleanup Workers and Evacuees of the Chornobyl Nuclear Accident. Am J Epidemiol 2020; 189:1451-1460. [PMID: 32613232 DOI: 10.1093/aje/kwaa095] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 05/26/2020] [Accepted: 05/27/2020] [Indexed: 01/01/2023] Open
Abstract
Although transgenerational effects of exposure to ionizing radiation have long been a concern, human research to date has been confined to studies of disease phenotypes in groups exposed to high doses and high dose rates, such as the Japanese atomic bomb survivors. Transgenerational effects of parental irradiation can be addressed using powerful new genomic technologies. In collaboration with the Ukrainian National Research Center for Radiation Medicine, the US National Cancer Institute, in 2014-2018, initiated a genomic alterations study among children born in selected regions of Ukraine to cleanup workers and/or evacuees exposed to low-dose-rate radiation after the 1986 Chornobyl (Chernobyl) nuclear accident. To investigate whether parental radiation exposure is associated with germline mutations and genomic alterations in the offspring, we are collecting biospecimens from father-mother-offspring constellations to study de novo mutations, minisatellite mutations, copy-number changes, structural variants, genomic insertions and deletions, methylation profiles, and telomere length. Genomic alterations are being examined in relation to parental gonadal dose, reconstructed using questionnaire and measurement data. Subjects are being recruited in exposure categories that will allow examination of parental origin, duration, and timing of exposure in relation to conception. Here we describe the study methodology and recruitment results and provide descriptive information on the first 150 families (mother-father-child(ren)) enrolled.
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Karlsson H, Merisaari H, Karlsson L, Scheinin NM, Parkkola R, Saunavaara J, Lähdesmäki T, Lehtola SJ, Keskinen M, Pelto J, Lewis JD, Tuulari JJ. Association of Cumulative Paternal Early Life Stress With White Matter Maturation in Newborns. JAMA Netw Open 2020; 3:e2024832. [PMID: 33231637 PMCID: PMC7686861 DOI: 10.1001/jamanetworkopen.2020.24832] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
IMPORTANCE Early life stress (ELS) has been shown to affect brain development and health outcomes. Recent animal studies have linked paternal early stress exposures with next-generation outcomes. Epigenetic inheritance through the male germline has been suggested to be one of the mechanisms. OBJECTIVES To test whether paternal ELS, as measured using the Trauma and Distress Scale, is associated with neonate brain development. DESIGN, SETTING, AND PARTICIPANTS This cohort study included data from participants from the prospective 2-generation FinnBrain Birth Cohort, which was collected from 2011 to 2015. Pregnant women and the fathers were consecutively recruited at gestational week 12 from maternity clinics in Finland. Magnetic resonance imaging data were analyzed in 2019. Participants in this study were 72 families (infant, father, mother). EXPOSURE Paternal exposure to ELS. MAIN OUTCOMES AND MEASURES Fractional anisotropy (FA) values in the major white-matter tracts of the newborn brain. RESULTS A total of 72 trios (infant, mother, and father) were analyzed. At the time of delivery, the mean (SD) age was 31.0 (4.4) years for fathers and 30.3 (4.5) years for mothers. Forty-one infants (57%) were boys; mean (SD) child age at inclusion was 26.9 (7.2) days from birth and 205 (8) days from estimated conception. Increasing levels of paternal ELS were associated with higher FA values in the newborn brain in the body of the corpus callosum, right superior corona radiata, and retrolenticular parts of the internal capsule. This association persisted after controlling for maternal ELS, maternal socioeconomic status (SES), maternal body mass index, maternal depressive symptoms during pregnancy, child sex, and child age from birth and gestation corrected age when imaged. In additional region-of-interest analyses, the association between FA values and paternal Trauma and Distress Scale sum scores remained statistically significant in the earliest maturing regions of the brain, eg, the genu of the corpus callosum (in the regression models, β = 0.00096; 95% CI, 0.00034-0.00158; P = .003) and the splenium (β = 0.00090; 95% CI, 0.00000-0.00180; P = .049). CONCLUSIONS AND RELEVANCE This cohort study found a statistically significant association between paternal ELS and offspring brain development. This finding may have far-reaching implications in pediatrics, as it suggests the possibility of a novel route of intergenerational inheritance of ELS on next-generation brain development.
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Affiliation(s)
- Hasse Karlsson
- FinnBrain Birth Cohort Study, Turku Brain and Mind Center, Institute of Clinical Medicine, University of Turku, Turku, Finland
- Department of Psychiatry, University of Turku and Turku University Hospital, Turku, Finland
| | - Harri Merisaari
- Department of Medical Physics, Turku University Hospital, Turku, Finland
| | - Linnea Karlsson
- FinnBrain Birth Cohort Study, Turku Brain and Mind Center, Institute of Clinical Medicine, University of Turku, Turku, Finland
- Department of Child Psychiatry, University of Turku and Turku University Hospital, Turku, Finland
| | - Noora M. Scheinin
- FinnBrain Birth Cohort Study, Turku Brain and Mind Center, Institute of Clinical Medicine, University of Turku, Turku, Finland
- Department of Psychiatry, University of Turku and Turku University Hospital, Turku, Finland
| | - Riitta Parkkola
- Department of Radiology, University of Turku and Turku University Hospital, Turku, Finland
| | - Jani Saunavaara
- Department of Radiology, University of Turku and Turku University Hospital, Turku, Finland
| | - Tuire Lähdesmäki
- Department of Pediatric Neurology, Turku University Hospital and University of Turku, Turku, Finland
| | - Satu J. Lehtola
- FinnBrain Birth Cohort Study, Turku Brain and Mind Center, Institute of Clinical Medicine, University of Turku, Turku, Finland
| | - Maria Keskinen
- FinnBrain Birth Cohort Study, Turku Brain and Mind Center, Institute of Clinical Medicine, University of Turku, Turku, Finland
| | - Juho Pelto
- FinnBrain Birth Cohort Study, Turku Brain and Mind Center, Institute of Clinical Medicine, University of Turku, Turku, Finland
| | - John D. Lewis
- McGill Centre for Integrative Neuroscience, Montreal Neurological Institute, McGill University, Montreal, Quebec, Canada
| | - Jetro J. Tuulari
- FinnBrain Birth Cohort Study, Turku Brain and Mind Center, Institute of Clinical Medicine, University of Turku, Turku, Finland
- Department of Psychiatry, University of Turku and Turku University Hospital, Turku, Finland
- Turku Collegium for Science and Medicine, University of Turku, Turku, Finland
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Brynildsen JK, Sanchez V, Yohn NL, Carpenter MD, Blendy JA. Sex-specific transgenerational effects of morphine exposure on reward and affective behaviors. Behav Brain Res 2020; 395:112842. [PMID: 32745660 PMCID: PMC8941987 DOI: 10.1016/j.bbr.2020.112842] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [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: 04/10/2020] [Revised: 07/16/2020] [Accepted: 07/27/2020] [Indexed: 11/15/2022]
Abstract
Current estimates indicate that millions of people in the United States abuse opioid drugs, which may also affect their offspring. To determine whether parental exposure to morphine alters reward and affective behaviors in subsequent generations we exposed male and female C57BL/6NTac mice to morphine (75 mg) or placebo pellets for 4 weeks. Naïve mice were used as mating partners to create subsequent generations (F1 and F2). Adult male and female F1 and F2 mice were tested in the morphine conditioned place preference paradigm (CPP), marble burying (MB), acoustic startle response (ASR), and open field tests (OFT). Paternal morphine exposure resulted in significantly attenuated preference scores amongst F1 male offspring, but significantly higher preference scores amongst F1 female offspring at the lowest CPP dose tested (5 mg/kg). In contrast, maternal exposure to morphine did not affect morphine reward in the F1 generation; however, the F2 male offspring of morphine-exposed F0 females displayed significantly higher CPP preference scores. Preference scores in F2 females were not affected by F0 male or female morphine exposure. Sex-specific alterations in affective behaviors were observed only in the offspring of F0 males exposed to morphine with F1 males spending less time in the center of the open field and F1 females spending more time in the center of the open field. One generation later, affective behaviors were no longer altered in F2 males but F2 females from the F0 male morphine exposure buried more marbles in the MB test. In summary, early exposure to morphine in males and females causes lineage-specific inheritance of reward and affective behaviors.
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Affiliation(s)
- Julia K Brynildsen
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Victoria Sanchez
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Nicole L Yohn
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Marco D Carpenter
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Julie A Blendy
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
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Xu N, Lei L, Lin Y, Ju LS, Morey TE, Gravenstein N, Yang J, Martynyuk AE. A Methyltransferase Inhibitor (Decitabine) Alleviates Intergenerational Effects of Paternal Neonatal Exposure to Anesthesia With Sevoflurane. Anesth Analg 2020; 131:1291-1299. [PMID: 32925350 PMCID: PMC7593836 DOI: 10.1213/ane.0000000000005097] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [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] [Indexed: 11/05/2022]
Abstract
BACKGROUND Neonatal exposure to sevoflurane induces neurobehavioral and neuroendocrine abnormalities in exposed male rats (generation F0) and neurobehavioral, but not neuroendocrine, abnormalities in their male, but not female, offspring (generation F1). These effects of sevoflurane are accompanied by a hypermethylated neuron-specific K-2Cl (Kcc2) Cl exporter gene in the F0 spermatozoa and the F1 male hypothalamus, while the gene's expression is reduced in the F0 and F1 hypothalamus. We investigated whether inhibition of deoxyribonucleic acid methyltransferases (DNMTs) before paternal sevoflurane exposure could alleviate the anesthetic's F0 and F1 effects. METHODS Sprague-Dawley male rats were anesthetized with 2.1% sevoflurane for 5 hours on postnatal day (P) 5 and mated with control females on P90 to generate offspring. The nonselective DNMT inhibitor decitabine (0.5 mg/kg, intraperitoneally) was administered 30 minutes before sevoflurane exposure. The F0 and F1 male rats were evaluated in in vivo and in vitro tests in adulthood. RESULTS Paternal exposure to sevoflurane induced impaired prepulse inhibition of the acoustic startle response and exacerbated corticosterone responses to stress in F0 males and impaired prepulse inhibition of the startle responses in F1 males. These effects were accompanied in both generations by reduced and increased expressions of hypothalamic Kcc2 and Dnmt3a/b, respectively. Decitabine deterred the effects of paternal exposure to sevoflurane in F0 and F1 males. CONCLUSIONS These results suggest that similar decitabine-sensitive mechanisms regulating expression of multiple genes are involved in the mediation of neurobehavioral abnormalities in sires neonatally exposed to sevoflurane and in their future unexposed male offspring.
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Affiliation(s)
- Ning Xu
- Department of Anesthesiology, University of Florida College of Medicine, Gainesville, Florida
| | - Lei Lei
- Department of Anesthesiology, University of Florida College of Medicine, Gainesville, Florida
| | - Yunan Lin
- Department of Anesthesiology, University of Florida College of Medicine, Gainesville, Florida
| | - Ling-Sha Ju
- Department of Anesthesiology, University of Florida College of Medicine, Gainesville, Florida
| | - Timothy E. Morey
- Department of Anesthesiology, University of Florida College of Medicine, Gainesville, Florida
| | - Nikolaus Gravenstein
- Department of Anesthesiology, University of Florida College of Medicine, Gainesville, Florida
- McKnight Brain Institute, University of Florida College of Medicine, Gainesville, Florida
| | - Jianjun Yang
- Department of Anesthesiology, Pain and Perioperative Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Anatoly E. Martynyuk
- Department of Anesthesiology, University of Florida College of Medicine, Gainesville, Florida
- McKnight Brain Institute, University of Florida College of Medicine, Gainesville, Florida
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Haddock L, Gordon S, Lewis SEM, Larsen P, Shehata A, Shehata H. Sperm DNA fragmentation is a novel biomarker for early pregnancy loss. Reprod Biomed Online 2020; 42:175-184. [PMID: 33082108 DOI: 10.1016/j.rbmo.2020.09.016] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [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: 05/22/2020] [Revised: 08/27/2020] [Accepted: 09/13/2020] [Indexed: 12/27/2022]
Abstract
RESEARCH QUESTION Spontaneous pregnancy loss affects 10-15% of couples, with 1-2% suffering recurrent pregnancy loss and 50% of miscarriages remaining unexplained. Male genomic integrity is essential for healthy offspring, meaning sperm DNA quality may be important in maintaining a pregnancy. Does sperm DNA fragmentation measured by alkaline Comet assay act as a biomarker for early pregnancy loss? DESIGN Sperm DNA fragmentation was measured by alkaline Comet test in 76 fertile donors and 217 men whose partners had recently experienced miscarriage. Couples were divided into five groups for analysis: one miscarriage after spontaneous conception; two or more miscarriages after spontaneous conception; one miscarriage after fertility treatment; two or more miscarriages after fertility treatment and biochemical pregnancy. RESULTS Receiver operator characteristic curve analysis was used to determine ability of the average Comet score (ACS), low Comet score (LCS) and high Comet score (HCS) to diagnose miscarriage and develop clinical thresholds comparing men whose partners have miscarried with men with recently proven fertility. Male partners of women who had miscarried had higher sperm DNA damage (ACS 33.32 ± 0.57%) than fertile men (ACS 14.87 ± 0.66%; P < 0.001). Average Comet score, HCS and LCS all have promise as being highly predictive of sporadic and recurrent miscarriage using clinical thresholds from comparisons with fertile men's spermatozoa: receiver operating characteristic curve AUC for ACS ≥26%, 0.965; LCS ≤70%, 0.969; HCS ≥2%, 0.883; P <0.0001. CONCLUSIONS Sperm DNA damage measured by the alkaline Comet has promise as a robust biomarker for sporadic and recurrent miscarriage after spontaneous or assisted conception, and may provide novel diagnoses and guidance for future fertility pathways.
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Affiliation(s)
- Lesley Haddock
- Examenlab Ltd, Unit 18A, Block K, Weavers Court Business Park, Linfield Road, Belfast BT12 5GH, UK.
| | - Stephen Gordon
- Urology at Epsom and St Helier University Hospitals NHS Trust, Dorking Rd, Epsom KT18 7EG, UK
| | - Sheena E M Lewis
- Examenlab Ltd, Unit 18A, Block K, Weavers Court Business Park, Linfield Road, Belfast BT12 5GH, UK
| | - Peter Larsen
- Cryos International, Vesterbro Torv I, Aarhus 8000, Denmark
| | - Amjad Shehata
- Centre for Reproductive Immunology and Pregnancy, Bramshott House, 137/139 High Street, Epsom KT19 8EH, UK
| | - Hassan Shehata
- Centre for Reproductive Immunology and Pregnancy, Bramshott House, 137/139 High Street, Epsom KT19 8EH, UK; Maternal Medicine at Epsom and St Helier University Hospitals NHS Trust, Dorking Road, Epsom KT18 7EG, UK
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35
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Coste A, Bailey HD, Kartal-Kaess M, Renella R, Berthet A, Spycher BD. Parental occupational exposure to pesticides and risk of childhood cancer in Switzerland: a census-based cohort study. BMC Cancer 2020; 20:819. [PMID: 32859175 PMCID: PMC7456012 DOI: 10.1186/s12885-020-07319-w] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Accepted: 08/18/2020] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Pesticide exposure is a suspected risk factor for childhood cancer. We investigated the risk of developing childhood cancer in relation to parental occupational exposure to pesticides in Switzerland for the period 1990-2015. METHODS From a nationwide census-based cohort study in Switzerland, we included children aged < 16 years at national censuses of 1990 and 2000 and followed them until 2015. We extracted parental occupations reported at the census closest to the birth year of the child and estimated exposure to pesticides using a job exposure matrix. Cox proportional hazards models, adjusted for potential confounders, were fitted for the following outcomes: any cancer, leukaemia, central nervous system tumours (CNST), lymphoma, non-CNS solid tumours. RESULTS Analyses of maternal (paternal) exposure were based on approximately 15.9 (15.1) million-person years at risk and included 1891 (1808) cases of cancer, of which 532 (503) were leukaemia, 348 (337) lymphomas, 423 (399) CNST, and 588 (569) non-CNS solid tumours. The prevalence of high likelihood of exposure was 2.9% for mothers and 6.7% for fathers. No evidence of an association was found with maternal or paternal exposure for any of the outcomes, except for "non-CNS solid tumours" (High versus None; Father: adjusted HR [95%CI] =1.84 [1.31-2.58]; Mother: 1.79 [1.13-2.84]). No evidence of an association was found for main subtypes of leukaemia and lymphoma. A post-hoc analysis on frequent subtypes of "non-CNS solid tumours" showed positive associations with wide CIs for some cancers. CONCLUSION Our study suggests an increased risk for solid tumours other than in the CNS among children whose parents were occupationally exposed to pesticides; however, the small numbers of cases limited a closer investigation of cancer subtypes. Better exposure assessment and pooled studies are needed to further explore a possible link between specific childhood cancers types and parental occupational exposure to pesticides.
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Affiliation(s)
- Astrid Coste
- Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland.
| | - Helen D Bailey
- Telethon Kids Institute, University of Western Australia, Perth, Western Australia, Australia
| | - Mutlu Kartal-Kaess
- Division of Paediatric Haematology and Oncology, Department of Paediatrics, Inselspital, University of Bern, Bern, Switzerland
| | - Raffaele Renella
- Pediatric Haematology-Oncology Unit, Division of Pediatrics, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - Aurélie Berthet
- Center for Primary Care and Public Health (Unisanté), University of Lausanne, Lausanne, Switzerland
| | - Ben D Spycher
- Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland
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Bautista NM, Crespel A, Crossley J, Padilla P, Burggren W. Parental transgenerational epigenetic inheritance related to dietary crude oil exposure in Danio rerio. J Exp Biol 2020; 223:jeb222224. [PMID: 32620709 DOI: 10.1242/jeb.222224] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [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: 01/22/2020] [Accepted: 06/29/2020] [Indexed: 12/16/2022]
Abstract
Transgenerational inheritance from both parental lines can occur by genetic and epigenetic inheritance. Maternal effects substantially influence offspring survival and fitness. However, investigation of the paternal contribution to offspring success has been somewhat neglected. In the present study, adult zebrafish were separated into female and male groups exposed for 21 days to either a control diet or to a diet containing water accommodated fractions of crude oil. Four F1 offspring groups were obtained: (1) control (non-exposed parents), (2) paternally exposed, (3) maternally exposed and (4) dual-parent-exposed. To determine the maternal and paternal influence on their offspring, we evaluated responses from molecular to whole organismal levels in both generations. Growth rate, hypoxia resistance and heart rate did not differ among parental groups. However, global DNA methylation in heart tissue was decreased in oil-exposed fish compared with control parents. This decrease was accompanied by an upregulation of glycine N-methyltransferase. Unexpectedly, maternal, paternal and dual exposure all enhanced survival of F1 offspring raised in oiled conditions. Regardless of parental exposure, however, F1 offspring exposed to oil exhibited bradycardia. Compared with offspring from control parents, global DNA methylation was decreased in the three offspring groups derived from oil-exposed parents. However, no difference between groups was observed in gene regulation involved in methylation transfer, suggesting that the changes observed in the F1 populations may have been inherited from both parental lines. Phenotypic responses during exposure to persistent environmental stressors in F1 offspring appear to be influenced by maternal and paternal exposure, potentially benefitting offspring populations to survive in challenging environments.
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Affiliation(s)
- Naim M Bautista
- Developmental Integrative Biology Research Group, Department of Biological Sciences, University of North Texas, 1155 Union Circle #305220, Denton, TX 76203-5017, USA
- Zoophysiology, Department of Bioscience, Aarhus University, C. F. Møllers Alle 3, Aarhus C 8000, Denmark
| | - Amélie Crespel
- Developmental Integrative Biology Research Group, Department of Biological Sciences, University of North Texas, 1155 Union Circle #305220, Denton, TX 76203-5017, USA
- Institute of Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, Glasgow G12 8QQ, UK
| | - Janna Crossley
- Developmental Integrative Biology Research Group, Department of Biological Sciences, University of North Texas, 1155 Union Circle #305220, Denton, TX 76203-5017, USA
| | - Pamela Padilla
- Developmental Integrative Biology Research Group, Department of Biological Sciences, University of North Texas, 1155 Union Circle #305220, Denton, TX 76203-5017, USA
| | - Warren Burggren
- Developmental Integrative Biology Research Group, Department of Biological Sciences, University of North Texas, 1155 Union Circle #305220, Denton, TX 76203-5017, USA
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Wan X, He X, Liu Q, Wang X, Ding X, Li H. Frequent and mild scrotal heat stress in mice epigenetically alters glucose metabolism in the male offspring. Am J Physiol Endocrinol Metab 2020; 319:E291-E304. [PMID: 32603600 DOI: 10.1152/ajpendo.00038.2020] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Several studies have reported that health problems occur in assisted reproductive technology (ART)-conceived offspring. Recently, investigations have demonstrated that paternal environmental conditions influence offspring health. However, it is unclear whether the factors that cause male infertility per se affect offspring health and contribute to health problems in ART-born children. Scrotal heat stress represents a common cause for oligoasthenozoospermia, and in these cases, in vitro fertilization-embryo transfer (IVF-ET) is typically recommended for those individuals trying to conceive. We exposed C57BL/6J male mice to frequent and mild scrotal heat stress (fmSHS) (39°C for 30 min once weekly for 5 consecutive wk). Sperm was subjected to IVF-ET with oocytes of untreated C57BL/6J females to produce offspring mice. Glucose intolerance and insulin resistance was observed in the male offspring mice derived from fmSHS-exposed fathers. Islets, after evaluation, remained unchanged. Genes involved in glucose metabolism, especially, those in insulin signaling pathways, showed dysregulation in the liver of the fmSHS-derived male offspring. Differentially methylated regions were found in the sperm of fmSHS-exposed mice by whole genome bisulfite sequencing. Interestingly, abnormal methylation of some genes with altered expression in offspring was observed in both the sperm of fmSHS fathers and the liver of their male offspring. Our results suggest that the factors that cause male infertility can affect male offspring health by an epigenetic mechanism.
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Affiliation(s)
- Xiaoyan Wan
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Xiaomei He
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Qian Liu
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Xiaotong Wang
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Xiaofang Ding
- Centre of Reproductive Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Honggang Li
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
- Wuhan Tongji Reproductive Medicine Hospital, Jiangan District, Wuhan, People's Republic of China
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38
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Galan C, Krykbaeva M, Rando OJ. Early life lessons: The lasting effects of germline epigenetic information on organismal development. Mol Metab 2020; 38:100924. [PMID: 31974037 PMCID: PMC7300385 DOI: 10.1016/j.molmet.2019.12.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 12/04/2019] [Accepted: 12/05/2019] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND An organism's metabolic phenotype is primarily affected by its genotype, its lifestyle, and the nutritional composition of its food supply. In addition, it is now clear from studies in many different species that ancestral environments can also modulate metabolism in at least one to two generations of offspring. SCOPE OF REVIEW We limit ourselves here to paternal effects in mammals, primarily focusing on studies performed in inbred rodent models. Although hundreds of studies link paternal diets and offspring metabolism, the mechanistic basis by which epigenetic information in sperm programs nutrient handling in the next generation remains mysterious. Our goal in this review is to provide a brief overview of paternal effect paradigms and the germline epigenome. We then pivot to exploring one key mystery in this literature: how do epigenetic changes in sperm, most of which are likely to act transiently in the early embryo, ultimately direct a long-lasting physiological response in offspring? MAJOR CONCLUSIONS Several potential mechanisms exist by which transient epigenetic modifications, such as small RNAs or methylation states erased shortly after fertilization, could be transferred to more durable heritable information. A detailed mechanistic understanding of this process will provide deep insights into early development, and could be of great relevance for human health and disease.
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Affiliation(s)
- Carolina Galan
- Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, MA, 01605, USA
| | - Marina Krykbaeva
- Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, MA, 01605, USA
| | - Oliver J Rando
- Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, MA, 01605, USA.
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Tian J, Hu J, He W, Zhou L, Huang Y. Parental exposure to cadmium chloride causes developmental toxicity and thyroid endocrine disruption in zebrafish offspring. Comp Biochem Physiol C Toxicol Pharmacol 2020; 234:108782. [PMID: 32339758 DOI: 10.1016/j.cbpc.2020.108782] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 04/20/2020] [Accepted: 04/22/2020] [Indexed: 12/11/2022]
Abstract
Cadmium is a common heavy metal pollutant. Previous studies have found that long-term cadmium exposure can cause damage to multiple organs/systems in humans and experimental animals; however, there are few studies that elucidate its effects on offspring development, discuss whether it can be transmitted to offspring from the parent, and debate whether it affects the functional development of the thyroid hormone system in offsprings. In this study, sexually mature zebrafish were exposed to different concentrations of cadmium chloride (0.01 μmol/L, 0.1 μmol/L, and 1 μmol/L) to study reproductive toxicity. It was found that parental zebrafish exposed to 1 μmol/L of cadmium chloride produced offsprings with different degrees of malformation. At 5 days post-fertilization (dpf), the levels of 3,5,3'-triiododenosine (T3) and thyroxine (T4) in the zebrafish were decreased. At 10 dpf, the T4 and T3 levels in the zebrafish of the offspring were significantly reduced. At the same time, the expression of thyroid receptor (trα and trβ) genes in five dpf larvae was significantly up-regulated in the 1 μmol/L treatment group relative to the control group. The mRNAs of thyroid hormone synthesis and metabolism-related genes (tshβ, dio1, dio2, ugt1ab, and ttr) were significantly up-regulated in the 0.1 μmol/L and 1 μmol/L treatment groups. This study demonstrates that parental cadmium chloride exposure produces reproductive toxicity in zebrafish and that the effects can be transferred from the parent to the offspring, resulting in developmental toxicity in the thyroid endocrine system.
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Affiliation(s)
- Jingjing Tian
- Academy for Engineering & Technology, Fudan University, Shanghai 200433, PR China; CAS Key Lab of Bio-Medical Diagnostics, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, Jiangsu 215163, PR China
| | - Jia Hu
- School of Biology & Basic Medical Sciences, Medical College, Soochow University, Suzhou, Jiangsu 215123, PR China
| | - Wei He
- Shaanxi Institute of Pediatric Diseases, Xi'an Key Laboratory of Children's Health and Diseases, Xi'an Children's Hospital, Xi'an, Shaanxi 710003, PR China
| | - Lianqun Zhou
- Academy for Engineering & Technology, Fudan University, Shanghai 200433, PR China; CAS Key Lab of Bio-Medical Diagnostics, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, Jiangsu 215163, PR China.
| | - Yinong Huang
- Shaanxi Institute of Pediatric Diseases, Xi'an Key Laboratory of Children's Health and Diseases, Xi'an Children's Hospital, Xi'an, Shaanxi 710003, PR China.
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Brass KE, Herndon N, Gardner SA, Grindstaff JL, Campbell P. Intergenerational effects of paternal predator cue exposure on behavior, stress reactivity, and neural gene expression. Horm Behav 2020; 124:104806. [PMID: 32534838 DOI: 10.1016/j.yhbeh.2020.104806] [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] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Revised: 06/08/2020] [Accepted: 06/09/2020] [Indexed: 12/27/2022]
Abstract
Predation threat impacts prey behavior, physiology, and fitness. Stress-mediated alterations to the paternal epigenome can be transmitted to offspring via the germline, conferring a potential advantage to offspring in predator-rich environments. While intergenerational epigenetic transmission of paternal experience has been demonstrated in mammals, how paternal predator exposure might alter offspring phenotypes across development is unstudied. We exposed male mice to a predator odor (2,4,5-trimethylthiazoline, TMT) or a neutral odor (banana extract) prior to mating and measured offspring behavioral phenotypes throughout development, together with adult stress reactivity and candidate gene expression in the prefrontal cortex, hippocampus, amygdala, and hypothalamus. We predicted that offspring of TMT-exposed males would be less active, would display elevated anxiety-like behaviors, and would have a more efficient stress response relative to controls, phenotypes that should enhance predator avoidance in a high predation risk environment. Unexpectedly, we found that offspring of TMT-exposed males are more active, exhibit less anxiety-like behavior, and have decreased baseline plasma corticosterone relative to controls. Effects of paternal treatment on neural gene expression were limited to the prefrontal cortex, with increased mineralocorticoid receptor expression and a trend towards increased Bdnf expression in offspring of TMT-exposed males. These results suggest that fathers exposed to predation threat produce offspring that are buffered against non-acute stressors and, potentially, better adapted to a predator-dense environment because they avoid trade-offs between predator avoidance and foraging and reproduction. This study provides evidence that ecologically relevant paternal experience can be transmitted through the germline, and can impact offspring phenotypes throughout development.
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Affiliation(s)
- Kelsey E Brass
- Oklahoma State University, Department of Integrative Biology, Stillwater, OK 74078, USA
| | - Nathan Herndon
- Oklahoma State University, Department of Integrative Biology, Stillwater, OK 74078, USA
| | - Sarah A Gardner
- Oklahoma State University, Department of Integrative Biology, Stillwater, OK 74078, USA; University of California Riverside, Department of Evolution, Ecology, and Organismal Biology, Riverside, CA 92521, USA
| | - Jennifer L Grindstaff
- Oklahoma State University, Department of Integrative Biology, Stillwater, OK 74078, USA
| | - Polly Campbell
- Oklahoma State University, Department of Integrative Biology, Stillwater, OK 74078, USA; University of California Riverside, Department of Evolution, Ecology, and Organismal Biology, Riverside, CA 92521, USA.
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Cissé YM, Russart K, Nelson RJ. Exposure to dim light at night prior to conception attenuates offspring innate immune responses. PLoS One 2020; 15:e0231140. [PMID: 32302341 PMCID: PMC7164648 DOI: 10.1371/journal.pone.0231140] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Accepted: 03/17/2020] [Indexed: 11/30/2022] Open
Abstract
Functional circadian timekeeping is necessary for homeostatic control of the immune system and appropriate immune responsiveness. Disruption of natural light-dark cycles, through light at night (LAN), impairs innate and adaptive immune responses in nocturnal rodents. These altered immune responses are associated with disrupted endogenous gene transcriptional and endocrine cycles. However, few studies have addressed the multigenerational consequences of systemic circadian rhythm disruption. We hypothesized that parental exposure to dim LAN (dLAN) would alter innate immune and sickness responses to an endotoxin challenge in adult offspring gestated and reared in dark nights. Adult male and female Siberian hamsters were exposed to either dark nights (DARK) or dLAN (~5 lux) for 8 weeks, then paired, mated, and thereafter housed under dark nights. Maternal exposure to dLAN prior to conception impaired febrile responses and increased splenic il-1 production in response to LPS in male offspring. Paternal pre-conception dLAN dampened offspring tnf-α expression in the hypothalamus, reduced serum bactericidal capacity, and dark phase locomotor activity. These changes occurred despite offspring being conceived, gestated, and reared under standard dark night conditions. Overall, these data suggest that dLAN has intergenerational effects on innate immunity and sickness responses.
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Affiliation(s)
- Yasmine M. Cissé
- Department of Pharmacology, University of Maryland School of Medicine, Baltimore, Maryland, United States of America
| | - Kathryn Russart
- Department of Neuroscience, The Ohio State University Wexner Medical Center, Columbus, Ohio, United States of America
| | - Randy J. Nelson
- Department of Neuroscience, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, West Virginia, United States of America
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42
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Kendall GM, Bunch KJ, Stiller CA, Vincent TJ, Murphy MFG. Case-control study of paternal occupational exposures and childhood bone tumours and soft-tissue sarcomas in Great Britain, 1962-2010. Br J Cancer 2020; 122:1250-1259. [PMID: 32099095 PMCID: PMC7156690 DOI: 10.1038/s41416-020-0760-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [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: 09/02/2019] [Revised: 01/14/2020] [Accepted: 02/06/2020] [Indexed: 01/29/2023] Open
Abstract
BACKGROUND This nationwide study investigated associations between paternal occupational exposure and childhood bone tumours and soft- tissue sarcomas. METHODS The UK National Registry of Childhood Tumours provided cases of childhood sarcomas born and diagnosed in Great Britain, 1962-2010. Control births, unaffected by childhood cancer, were matched on sex, birth period and birth registration sub-district. Fathers' occupations were assigned to one or more of 33 exposure groups and coded for occupational social class. RESULTS We analysed 5,369 childhood sarcoma cases and 5380 controls. Total bone tumours, total soft-tissue sarcomas and the subgroups osteosarcoma, rhabdomyosarcoma and Ewing Sarcoma Family of Tumours (ESFT) were considered separately. Significant positive associations were seen between rhabdomyosarcoma and paternal exposure to EMFs (odds ratio = 1.67, CI = 1.22-2.28) and also for ESFT and textile dust (1.93, 1.01-3.63). There were putative protective effects on total bone tumours of paternal dermal exposure to hydrocarbons, metal, metal working or oil mists. CONCLUSIONS Despite the large size and freedom from bias of this study, our results should be interpreted with caution. Many significance tests were undertaken, and chance findings are to be expected. Nevertheless, our finding of associations between ESFT and paternal exposure to textile dust may support related suggestions in the literature.
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Affiliation(s)
- Gerald M Kendall
- Cancer Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Richard Doll Building, Old Road Campus, Oxford, OX3 7LF, UK.
| | - Kathryn J Bunch
- National Perinatal Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Richard Doll Building, Old Road Campus, Oxford, OX3 7LF, UK
| | - Charles A Stiller
- National Cancer Registration and Analysis Service, Public Health England, Chancellor Court, Oxford Business Park South, Oxford, OX4 2GX, UK
| | - Timothy J Vincent
- Formerly of Childhood Cancer Research Group, University of Oxford, Oxford, UK
| | - Michael F G Murphy
- Nuffield Department of Women's and Reproductive Health John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DU, UK
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Patel DM, Jones RR, Booth BJ, Olsson AC, Kromhout H, Straif K, Vermeulen R, Tikellis G, Paltiel O, Golding J, Northstone K, Stoltenberg C, Håberg SE, Schüz J, Friesen MC, Ponsonby AL, Lemeshow S, Linet MS, Magnus P, Olsen J, Olsen SF, Dwyer T, Stayner LT, Ward MH. Parental occupational exposure to pesticides, animals and organic dust and risk of childhood leukemia and central nervous system tumors: Findings from the International Childhood Cancer Cohort Consortium (I4C). Int J Cancer 2020; 146:943-952. [PMID: 31054169 PMCID: PMC9359063 DOI: 10.1002/ijc.32388] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [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: 02/06/2019] [Revised: 03/14/2019] [Accepted: 04/05/2019] [Indexed: 12/23/2022]
Abstract
Parental occupational exposures to pesticides, animals and organic dust have been associated with an increased risk of childhood cancer based mostly on case-control studies. We prospectively evaluated parental occupational exposures and risk of childhood leukemia and central nervous system (CNS) tumors in the International Childhood Cancer Cohort Consortium. We pooled data on 329,658 participants from birth cohorts in five countries (Australia, Denmark, Israel, Norway and United Kingdom). Parental occupational exposures during pregnancy were estimated by linking International Standard Classification of Occupations-1988 job codes to the ALOHA+ job exposure matrix. Risk of childhood (<15 years) acute lymphoblastic leukemia (ALL; n = 129), acute myeloid leukemia (AML; n = 31) and CNS tumors (n = 158) was estimated using Cox proportional hazards models to generate hazard ratios (HR) and 95% confidence intervals (CI). Paternal exposures to pesticides and animals were associated with increased risk of childhood AML (herbicides HR = 3.22, 95% CI = 0.97-10.68; insecticides HR = 2.86, 95% CI = 0.99-8.23; animals HR = 3.89, 95% CI = 1.18-12.90), but not ALL or CNS tumors. Paternal exposure to organic dust was positively associated with AML (HR = 2.38 95% CI = 1.12-5.07), inversely associated with ALL (HR = 0.55, 95% CI = 0.31-0.99) and not associated with CNS tumors. Low exposure prevalence precluded evaluation of maternal pesticide and animal exposures; we observed no significant associations with organic dust exposure. This first prospective analysis of pooled birth cohorts and parental occupational exposures provides evidence for paternal agricultural exposures as childhood AML risk factors. The different risks for childhood ALL associated with maternal and paternal organic dust exposures should be investigated further.
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Affiliation(s)
- Deven M. Patel
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, 9609 Medical Center Dr., Rockville, MD, USA
| | - Rena R. Jones
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, 9609 Medical Center Dr., Rockville, MD, USA
| | - Benjamin J. Booth
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, 9609 Medical Center Dr., Rockville, MD, USA
- Office of Community Health Systems, Washington State Department of Health, 111 Israel Rd. SE, Olympia, WA
| | - Ann C. Olsson
- International Agency for Research on Cancer, 150 Cours Albert Thomas, Lyon, France
| | - Hans Kromhout
- Institute for Risk Assessment Sciences, Universiteit Utrecht, Nieuw Gildestein, Room 3.51, 3584 CM Utrecht, Netherlands
| | - Kurt Straif
- International Agency for Research on Cancer, 150 Cours Albert Thomas, Lyon, France
| | - Roel Vermeulen
- Institute for Risk Assessment Sciences, Universiteit Utrecht, Nieuw Gildestein, Room 3.51, 3584 CM Utrecht, Netherlands
| | - Gabriella Tikellis
- Population Health, Murdoch Children’s Research Institute, Royal Children’s Hospital, University of Melbourne, 50 Flemington Road, Parkville, Melbourne, Victoria, Australia
| | - Ora Paltiel
- Department of Hematology and Braun School of Public Health, Hadassah-Hebrew University, POB 12000 Jerusalem, Israel
| | - Jean Golding
- Population Health Sciences, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Clifton, Bristol BS8 2BN, United Kingdom
| | - Kate Northstone
- Population Health Sciences, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Clifton, Bristol BS8 2BN, United Kingdom
| | - Camilla Stoltenberg
- Norwegian Institute of Public Health, Marcus Thranes gate 6, Oslo, Norway
- Department of Global Public Health and Community Care, University of Bergen, University Aula, Museplassen 3, Bergen, Norway
| | - Siri E. Håberg
- Norwegian Institute of Public Health, Marcus Thranes gate 6, Oslo, Norway
| | - Joachim Schüz
- International Agency for Research on Cancer, 150 Cours Albert Thomas, Lyon, France
| | - Melissa C. Friesen
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, 9609 Medical Center Dr., Rockville, MD, USA
| | - Anne-Louise Ponsonby
- Menzies Research Institute, University of Tasmania, Medical Science Precinct, 17 Liverpool Street, Hobart Tasmania, Australia
| | - Stanley Lemeshow
- College of Public Health, Ohio State University, 1841 Neil Ave., 204 Cunz Hall, Columbus, OH, 43210
| | - Martha S. Linet
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, 9609 Medical Center Dr., Rockville, MD, USA
| | - Per Magnus
- Norwegian Institute of Public Health, Marcus Thranes gate 6, Oslo, Norway
| | - Jørn Olsen
- Department of Clinical Epidemiology, Aarhus University Department of Public Health, Bartholins Allé 2, 8000 Aarhus C, Aarhus, Denmark
- Department of Epidemiology, School of Public Health, University of California, 650 Charles E. Young Drive Los Angeles, CA
| | - Sjurdur F. Olsen
- Department of Epidemiology Research, Center for Fetal Programming, Staten Serum Institute, Artillerivej 5, 2300 København, Denmark
| | - Terence Dwyer
- Population Health, Murdoch Children’s Research Institute, Royal Children’s Hospital, University of Melbourne, 50 Flemington Road, Parkville, Melbourne, Victoria, Australia
- The George Institute for Global Health, Nuffield Department of Women’s & Reproductive Health, University of Oxford, United Kingdom
| | - Leslie T. Stayner
- Division of Epidemiology and Biostatistics, School of Public Health, University of Illinois at Chicago, 1603 West Taylor Street, Room 978a, Chicago, IL
| | - Mary H. Ward
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, 9609 Medical Center Dr., Rockville, MD, USA
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Li P, Li ZH, Zhong L. Parental exposure to triphenyltin inhibits growth and disrupts thyroid function in zebrafish larvae. Chemosphere 2020; 240:124936. [PMID: 31568941 DOI: 10.1016/j.chemosphere.2019.124936] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [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: 07/12/2019] [Revised: 09/19/2019] [Accepted: 09/21/2019] [Indexed: 06/10/2023]
Abstract
Triphenyltin (TPT) is widely used and commonly found in a water environment, so its effects on aquatic systems are of great concern. This study aimed to reveal the effects of chronic parental exposure of TPT on thyroid disruption and growth inhibition in zebrafish. Adult zebrafish (F0 generation) were exposed to environmentally relevant concentrations (1, 10, and 100 ng/L) of TPT for 60 days, and the larvae (F1 generation) were tested without TPT treatment. Results demonstrated that parental exposure to TPT disrupts thyroid function in zebrafish offspring: serum thyroxine (T4) significantly decreased, while serum 3,5,3'-triiodothyronine (T3) increased, and several genes involved in the hypothalamic-pituitary-thyroid (HPT) axis were down-regulated. In addition, we observed developmental abnormalities in the larvae, demonstrated by a significantly altered hatching rate, malformation rate, body length, heart rate, and survival rate, as well as down-regulation of genes involved in the growth hormone/insulin-like growth factor (GH/IGF) axis. Therefore, parental exposure to TPT induces toxicity in fish offspring through perturbation of the HPT and GH/IGF axes.
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Affiliation(s)
- Ping Li
- Marine College, Shandong University, Weihai, 264209, China
| | - Zhi-Hua Li
- Marine College, Shandong University, Weihai, 264209, China; Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan, 430223, China.
| | - Liqiao Zhong
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan, 430223, China
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Godschalk RWL, Yauk CL, van Benthem J, Douglas GR, Marchetti F. In utero Exposure to Genotoxicants Leading to Genetic Mosaicism: An Overlooked Window of Susceptibility in Genetic Toxicology Testing? Environ Mol Mutagen 2020; 61:55-65. [PMID: 31743493 PMCID: PMC6973016 DOI: 10.1002/em.22347] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 11/14/2019] [Accepted: 11/17/2019] [Indexed: 05/08/2023]
Abstract
In utero development represents a sensitive window for the induction of mutations. These mutations may subsequently expand clonally to populate entire organs or anatomical structures. Although not all adverse mutations will affect tissue structure or function, there is growing evidence that clonally expanded genetic mosaics contribute to various monogenic and complex diseases, including cancer. We posit that genetic mosaicism is an underestimated potential health problem that is not fully addressed in the current regulatory genotoxicity testing paradigm. Genotoxicity testing focuses exclusively on adult exposures and thus may not capture the complexity of genetic mosaicisms that contribute to human disease. Numerous studies have shown that conversion of genetic damage into mutations during early developmental exposures can result in much higher mutation burdens than equivalent exposures in adults in certain tissues. Therefore, we assert that analysis of genetic effects caused by in utero exposures should be considered in the current regulatory testing paradigm, which is possible by harmonization with current reproductive/developmental toxicology testing strategies. This is particularly important given the recent proposed paradigm change from simple hazard identification to quantitative mutagenicity assessment. Recent developments in sequencing technologies offer practical tools to detect mutations in any tissue or species. In addition to mutation frequency and spectrum, these technologies offer the opportunity to characterize the extent of genetic mosaicism following exposure to mutagens. Such integration of new methods with existing toxicology guideline studies offers the genetic toxicology community a way to modernize their testing paradigm and to improve risk assessment for vulnerable populations. Environ. Mol. Mutagen. 61:55-65, 2020. © 2019 The Authors. Environmental and Molecular Mutagenesis published by Wiley Periodicals, Inc. on behalf of Environmental Mutagen Society.
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Affiliation(s)
- Roger W. L. Godschalk
- Department of Pharmacology and Toxicology, School for Nutrition and Translational Research in Metabolism (NUTRIM)Maastricht UniversityMaastrichtThe Netherlands
| | - Carole L. Yauk
- Mechanistic Studies DivisionEnvironmental Health Science and Research Bureau, Health CanadaOttawaK1A 0K9OntarioCanada
| | - Jan van Benthem
- Center for Health ProtectionNational Institute for Public Health and the Environment (RIVM)BilthovenThe Netherlands
| | - George R. Douglas
- Mechanistic Studies DivisionEnvironmental Health Science and Research Bureau, Health CanadaOttawaK1A 0K9OntarioCanada
| | - Francesco Marchetti
- Mechanistic Studies DivisionEnvironmental Health Science and Research Bureau, Health CanadaOttawaK1A 0K9OntarioCanada
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Noor N, Cardenas A, Rifas-Shiman SL, Pan H, Dreyfuss JM, Oken E, Hivert MF, James-Todd T, Patti ME, Isganaitis E. Association of Periconception Paternal Body Mass Index With Persistent Changes in DNA Methylation of Offspring in Childhood. JAMA Netw Open 2019; 2:e1916777. [PMID: 31880793 PMCID: PMC6991200 DOI: 10.1001/jamanetworkopen.2019.16777] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
IMPORTANCE While prenatal nutrition and maternal obesity are recognized as important contributors to epigenetic changes and childhood obesity, the role of paternal obesity in the epigenome of offspring has not been well studied. OBJECTIVES To test whether periconception paternal body mass index (BMI) is associated with DNA methylation patterns in newborns, to examine associations between maternal and paternal BMI and the epigenome of offspring, and to examine persistence of epigenetic marks at ages 3 and 7 years. DESIGN, SETTING, AND PARTICIPANTS Project Viva is a prebirth cohort study of mothers and children including 2128 live births that enrolled mothers from April 1999 to July 2002 and followed offspring to adolescence. This study analyzed the subset of participants with available data on paternal BMI and DNA methylation in offspring blood in the newborn period, at age 3 years, and at age 7 years. Data were analyzed from July 2017 to October 2019. EXPOSURES The primary exposure was paternal periconception BMI; associations were adjusted for maternal prepregnancy BMI and stratified according to maternal BMI above or below 25. MAIN OUTCOMES AND MEASURES The primary outcome was genome-wide DNA methylation patterns in offspring blood collected at birth, age 3 years, and age 7 years. RESULTS A total of 429 father-mother-infant triads were included. The mean (SD) periconception paternal BMI was 26.4 (4.0) and mean maternal prepregnancy BMI was 24.5 (5.2); 268 fathers had BMI greater than or equal to 25 (mean [SD], 28.5 [3.3]) and 161 had BMI less than 25 (mean [SD], 22.8 [1.8]). Paternal BMI greater than or equal to 25 was associated with increased offspring birth weight compared with paternal BMI less than 25 (mean [SD] z score, 0.38 [0.91] vs 0.11 [0.96]; P = .004). Cord blood DNA methylation at 9 CpG sites was associated with paternal BMI independent of maternal BMI (q < .05). Methylation at cg04763273, between TFAP2C and BMP7, decreased by 5% in cord blood with every 1-unit increase in paternal BMI (P = 3.13 × 10-8); hypomethylation at this site persisted at ages 3 years and 7 years. Paternal BMI was associated with methylation at cg01029450 in the promoter region of the ARFGAP3 gene; methylation at this site was also associated with lower infant birth weight (β = -0.0003; SD = 0.0001; P = .03) and with higher BMI z score at age 3 years. CONCLUSIONS AND RELEVANCE In this study, paternal BMI was associated with DNA methylation, birth weight, and childhood BMI z score in offspring.
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Affiliation(s)
- Nudrat Noor
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
| | - Andres Cardenas
- Division of Chronic Disease Research Across the Lifecourse, Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, Massachusetts
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley
| | - Sheryl L. Rifas-Shiman
- Division of Chronic Disease Research Across the Lifecourse, Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, Massachusetts
| | - Hui Pan
- Research Division, Joslin Diabetes Center, Boston, Massachusetts
| | | | - Emily Oken
- Division of Chronic Disease Research Across the Lifecourse, Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, Massachusetts
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
| | - Marie-France Hivert
- Division of Chronic Disease Research Across the Lifecourse, Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, Massachusetts
| | - Tamarra James-Todd
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
| | - Mary-Elizabeth Patti
- Research Division, Joslin Diabetes Center, Boston, Massachusetts
- Department of Medicine, Harvard Medical School, Boston, Massachusetts
| | - Elvira Isganaitis
- Research Division, Joslin Diabetes Center, Boston, Massachusetts
- Department of Pediatrics, Harvard Medical School, Boston, Massachusetts
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Ommati MM, Heidari R, Manthari RK, Tikka Chiranjeevi S, Niu R, Sun Z, Sabouri S, Zamiri MJ, Zaker L, Yuan J, Wang J, Zhang J, Wang J. Paternal exposure to arsenic resulted in oxidative stress, autophagy, and mitochondrial impairments in the HPG axis of pubertal male offspring. Chemosphere 2019; 236:124325. [PMID: 31326754 DOI: 10.1016/j.chemosphere.2019.07.056] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [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: 06/13/2019] [Revised: 07/06/2019] [Accepted: 07/07/2019] [Indexed: 06/10/2023]
Abstract
Despite the knowledge of AS-induced reprotoxicity, the literature concerning arsenic trioxide (As2O3)-induced oxidative stress and consequent intracellular events, like autophagy process, in the hypothalamic-pituitary- gonadal (HPG) axis of F1- pubertal male mice is sparse to date. Hence, we made an attempt to study the reproductive toxicities and the underlying mechanisms induced by As2O3 in the HPG axis of pubertal F1- male mice in correlation with oxidative stress-induced autophagy. Parental mice were challenged with As2O3 (0, 0.2, 2, and 20 ppm) from five weeks before mating, and continued till puberty age for the male pups. It was recorded that higher As2O3 doses (2 and 20 ppm) were a potent inducer of oxidative stress and autophagy in the HPG axis. Concomitant with a decrease on mean body weight, total antioxidant capacity, and stereology indices, an increase in the number of MDC-labeled autophagic vacuoles, and MDA/GSH ratio in HPG axis of pubertal F1- male mice which were exposed to higher As2O3 doses was observed. Meanwhile, concomitant with a dose-dependent increment in the gene expression of ATG3, ATG5, Beclin, as well as protein expression of P62, ATG12, and Beclin in HPG axis tissues; a dose-dependent decrease in PI3K and mTOR gene expression was recorded in the HPG tissues of pubertal F1-males. Altogether, our observations suggest that higher doses of As2O3 have detrimental effects on the functionality of HPG axis in pubertal male mice offspring by increasing MDA/GSH ratio and autophagic cell death-related genes and proteins, as well as by reducing total antioxidant capacity.
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Affiliation(s)
- M M Ommati
- Shanxi Key Laboratory of Ecological Animal Science and Environmental Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, PR China; College of Life Sciences, Shanxi Agricultural University, Taigu, Shanxi, 030801, PR China
| | - R Heidari
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, 158371345, Shiraz, Iran
| | - R K Manthari
- Shanxi Key Laboratory of Ecological Animal Science and Environmental Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, PR China
| | - S Tikka Chiranjeevi
- Shanxi Key Laboratory of Ecological Animal Science and Environmental Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, PR China
| | - R Niu
- Shanxi Key Laboratory of Ecological Animal Science and Environmental Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, PR China
| | - Z Sun
- Shanxi Key Laboratory of Ecological Animal Science and Environmental Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, PR China
| | - S Sabouri
- Shanxi Key Laboratory of Ecological Animal Science and Environmental Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, PR China
| | - M J Zamiri
- Department of Animal Science, College of Agriculture, Shiraz University, 71441-65186, Shiraz, Iran
| | - L Zaker
- Department of Hematology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - J Yuan
- Shanxi Key Laboratory of Ecological Animal Science and Environmental Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, PR China; College of Life Sciences, Shanxi Agricultural University, Taigu, Shanxi, 030801, PR China
| | - J Wang
- Shanxi Key Laboratory of Ecological Animal Science and Environmental Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, PR China
| | - J Zhang
- Shanxi Key Laboratory of Ecological Animal Science and Environmental Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, PR China
| | - J Wang
- Shanxi Key Laboratory of Ecological Animal Science and Environmental Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, PR China.
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Rompala GR, Homanics GE. Intergenerational Effects of Alcohol: A Review of Paternal Preconception Ethanol Exposure Studies and Epigenetic Mechanisms in the Male Germline. Alcohol Clin Exp Res 2019; 43:1032-1045. [PMID: 30908630 PMCID: PMC6551262 DOI: 10.1111/acer.14029] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [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: 12/14/2018] [Accepted: 03/13/2019] [Indexed: 12/11/2022]
Abstract
While alcohol use disorder (AUD) is a highly heritable psychiatric disease, efforts to elucidate that heritability by examining genetic variation (e.g., single nucleotide polymorphisms) have been insufficient to fully account for familial AUD risk. Perhaps not coincidently, there has been a burgeoning interest in novel nongenomic mechanisms of inheritance (i.e., epigenetics) that are shaped in the male or female germ cells by significant lifetime experiences such as exposure to chronic stress, malnutrition, or drugs of abuse. While many epidemiological and preclinical studies have long pointed to a role for the parental preconception environment in offspring behavior, over the last decade many studies have implicated a causal relationship between the environmentally sensitive sperm epigenome and intergenerational phenotypes. This critical review will detail the heritable effects of alcohol and the potential role for epigenetics.
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Affiliation(s)
- Gregory R Rompala
- Center for Neuroscience, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Gregg E Homanics
- Center for Neuroscience, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
- Department of Pharmacology & Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh School Medicine, Pittsburgh, Pennsylvania
- Department of Neurobiology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
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Smorkatcheva AV, Kondratyuk EY, Polikarpov IA. Fathers and sons: Physiological stress in male Zaisan mole voles, Ellobius tancrei. Gen Comp Endocrinol 2019; 275:1-5. [PMID: 30682343 DOI: 10.1016/j.ygcen.2019.01.012] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 01/18/2019] [Accepted: 01/18/2019] [Indexed: 11/23/2022]
Abstract
The social environment can be stressful for at least some group members, resulting in elevated levels of glucocorticoid stress hormones (GC). Patterns of the relationships between social rank and GC levels vary between species. In carnivores, primates and birds that live in permanent cooperative groups, helpers do not usually display physiological indicators of stress. Very little is known about status-related GC differences within cooperative groups of rodents. In this laboratory study, we compared GC concentrations in dominant (fathers) and subordinate (natal sons) males of a cooperative subterranean vole, Ellobius tancrei. The assessment of adrenocortical activity by measuring urine glucocorticoid metabolites (UGM) was previously validated for this species through an ACTH challenge test. We observed clear peaks of UGM in the second or third urine samples taken after the administration of ACTH (lag time equal to 2.5-3 h). Thus, UGM is suitable to estimate physiological stress in Ellobius. Postpubertal sons living in natal groups had significantly higher UGM concentrations than their fathers. The average UGM levels of sons were positively associated with their ages and paternal body masses, and negatively associated with paternal ages. Hence, son-father interactions rather than just younger ages of sons appear to contribute to GC differences. The revealed pattern was not consistent with that reported for most cooperative species from other taxa, highlighting the importance of comparative studies.
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Affiliation(s)
- Antonina V Smorkatcheva
- Department of Vertebrate Zoology, St. Petersburg State University, Universitetskaya nab. 7/9, 199034 St. Petersburg, Russia.
| | - Ekaterina Yu Kondratyuk
- Institute of Animal Systematics and Ecology, Siberian Branch, Russian Academy of Sciences, Novosibirsk 630091, Russia.
| | - Ivan A Polikarpov
- Department of Vertebrate Zoology, St. Petersburg State University, Universitetskaya nab. 7/9, 199034 St. Petersburg, Russia.
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50
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Huang Y, Liu J, Yu L, Liu C, Wang J. Gonadal impairment and parental transfer of tris (2-butoxyethyl) phosphate in zebrafish after long-term exposure to environmentally relevant concentrations. Chemosphere 2019; 218:449-457. [PMID: 30497028 DOI: 10.1016/j.chemosphere.2018.11.139] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [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: 10/07/2018] [Revised: 11/19/2018] [Accepted: 11/21/2018] [Indexed: 06/09/2023]
Abstract
Tris (2-butoxyethyl) phosphate (TBOEP) is a ubiquitous environmental contaminant due to its overuse. TBOEP has been found to cause reproductive toxicity and endocrine disruption during acute toxic experiment. In this study, we examined the effects of TBOEP on growth in initial generation (F0) zebrafish and transgenerational effects on growth of first generation (F1) larvae after parental long-term exposure (120 d) to environmentally relevant concentrations (0, 0.1, 1, 10 and 100 μg/L). Exposure to TBOEP resulted in significantly less growth as measured by body length, body weight and gonadosomatic index (GSI) in F0 females but not F0 males. Furthermore, the bioaccumulation of TBOEP in gonad, the alteration of the gene transcriptions in the hypothalamic-pituitary-gonadal (HPG) axis, and the delay in gonadal development in both female and male zebrafish were demonstrated. In addition, the residues of TBOEP were detected in F1 larvae after parental exposure, resulting in lower survival and shorter body length, as well as faster heart rate. And no significant changes in gene expressions along the growth hormone/insulin-like growth factor (GH/IGF) axis and the hypothalamic-pituitary-thyroid (HPT) axis were found in F1 larvae. In conclusion, these results indicated that long-term parental exposure to environmentally relevant concentrations of TBOEP could inhibit the development of progeny by parental gonadal impairment and by TBOEP transfer to offspring, instead of gene transcription in GH/IGF and HPT axes.
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Affiliation(s)
- Yangyang Huang
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Jue Liu
- Department of Pharmacy, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430014, China
| | - Liqin Yu
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Chunsheng Liu
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China; Collaborative Innovation Center for Efficient and Health Production of Fisheries in Hunan Province, Changde 415000, China
| | - Jianghua Wang
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China.
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