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Wu X, Zhang W, Chen H, Weng J. Multifaceted paternal exposures before conception and their epigenetic impact on offspring. J Assist Reprod Genet 2024:10.1007/s10815-024-03243-1. [PMID: 39230664 DOI: 10.1007/s10815-024-03243-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2024] [Accepted: 08/27/2024] [Indexed: 09/05/2024] Open
Abstract
As scientific research progresses, there is an increasing understanding of the importance of paternal epigenetics in influencing the health and developmental path of offspring. Prior to conception, the environmental exposures and lifestyle choices of fathers can significantly influence the epigenetic state of sperm, including DNA methylation and histone changes, among other factors. These alterations in epigenetic patterns have the potential for transgenerational transmission potential and may exert profound effects on the biological characteristics of descendants. Paternal epigenetic changes not only affect the regulation of gene expression patterns in offspring but also increase the risk to certain diseases. It is crucial to comprehend the conditions that fathers are exposed to before conception and the potential outcomes of these conditions. This understanding is essential for assessing personal reproductive decisions and anticipating health risks for future generations. This review article systematically summarizes and analyzes current research findings regarding how paternal pre-pregnancy exposures influence offspring as well as elucidates underlying mechanisms, aiming to provide a comprehensive perspective for an enhanced understanding of the impact that paternal factors have on offspring health.
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Affiliation(s)
- Xiaojing Wu
- Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, China
| | - Weiping Zhang
- The Second People's Hospital Affiliated to Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, China
| | - Huijun Chen
- The Second People's Hospital Affiliated to Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, China
| | - Jianfei Weng
- The Second People's Hospital Affiliated to Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, China.
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2
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Lo JO, Hedges JC, Chou WH, Tager KR, Bachli ID, Hagen OL, Murphy SK, Hanna CB, Easley CA. Influence of substance use on male reproductive health and offspring outcomes. Nat Rev Urol 2024; 21:534-564. [PMID: 38664544 DOI: 10.1038/s41585-024-00868-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/29/2024] [Indexed: 04/30/2024]
Abstract
The prevalence of substance use globally is rising and is highest among men of reproductive age. In Africa, and South and Central America, cannabis use disorder is most prevalent and in Eastern and South-Eastern Europe, Central America, Canada and the USA, opioid use disorder predominates. Substance use might be contributing to the ongoing global decline in male fertility, and emerging evidence has linked paternal substance use with short-term and long-term adverse effects on offspring development and outcomes. This trend is concerning given that substance use is increasing, including during the COVID-19 pandemic. Preclinical studies have shown that male preconception substance use can influence offspring brain development and neurobehaviour through epigenetic mechanisms. Additionally, human studies investigating paternal health behaviours during the prenatal period suggest that paternal tobacco, opioid, cannabis and alcohol use is associated with reduced offspring mental health, in particular hyperactivity and attention-deficit hyperactivity disorder. The potential effects of paternal substance use are areas in which to focus public health efforts and health-care provider counselling of couples or individuals interested in conceiving.
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Affiliation(s)
- Jamie O Lo
- Department of Urology, Oregon Heath & Science University, Portland, OR, USA.
- Division of Reproductive & Developmental Sciences, Oregon National Primate Research Center, Oregon Health & Science University, Portland, OR, USA.
- Department of Obstetrics and Gynecology, Oregon Health & Science University, Portland, OR, USA.
| | - Jason C Hedges
- Department of Urology, Oregon Heath & Science University, Portland, OR, USA
- Division of Reproductive & Developmental Sciences, Oregon National Primate Research Center, Oregon Health & Science University, Portland, OR, USA
- Department of Obstetrics and Gynecology, Oregon Health & Science University, Portland, OR, USA
| | - Wesley H Chou
- Department of Urology, Oregon Heath & Science University, Portland, OR, USA
| | - Kylie R Tager
- Department of Environmental Health Science, University of Georgia College of Public Health, Athens, GA, USA
| | - Ian D Bachli
- Department of Environmental Health Science, University of Georgia College of Public Health, Athens, GA, USA
| | - Olivia L Hagen
- Division of Reproductive & Developmental Sciences, Oregon National Primate Research Center, Oregon Health & Science University, Portland, OR, USA
| | - Susan K Murphy
- Department of Obstetrics and Gynecology, Duke University Medical Center, Durham, NC, USA
| | - Carol B Hanna
- Division of Reproductive & Developmental Sciences, Oregon National Primate Research Center, Oregon Health & Science University, Portland, OR, USA
| | - Charles A Easley
- Department of Environmental Health Science, University of Georgia College of Public Health, Athens, GA, USA
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3
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Jiang Y, Zhang H, Chen S, Ewart S, Holloway JW, Arshad H, Karmaus W. Intergenerational association of DNA methylation between parents and offspring. Sci Rep 2024; 14:19812. [PMID: 39191877 DOI: 10.1038/s41598-024-69317-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 08/02/2024] [Indexed: 08/29/2024] Open
Abstract
Early patterning of DNA methylation (DNAm) may play an important role in later disease development. To better understand intergenerational epigenetic inheritance, we investigated the correlation between DNAm in blood in mother-newborn and in father-newborn pairs in the Isle of Wight (IoW) birth cohort. For parent-newborn pairs (n = 48), offspring DNAm was measured in cord blood and the parent's DNAm in whole blood. Mothers' DNAm was analyzed at birth (Guthrie card), age 18, early and late pregnancy respectively, and fathers' DNAm was measured during the mother's pregnancy. Linear regressions were applied to assess the intergenerational correlation of parental DNAm with that of offspring. Among various pairs of mother-newborn and father-newborn DNAm, the pairs where the mothers' DNAm was measured at age 18 years exhibited the highest number of CpGs with significant intergenerational correlation in DNAm, with 1829 CpGs (0.54%) of the 338,526 CpGs studied (FDR < 0.05). Amongst these 1829 CpGs, 986 (54%) are known quantitative trait loci (QTL) for CpG methylation (methQTL). When the mother's DNAm was assessed at early pregnancy, the number of CpGs showing intergenerational correlation was the smallest (384 CpGs, 0.11%). The second smallest number of such CpGs (559 CpGs, 0.17%) was found when investigating DNAm in offspring cord blood and father pairs. The low proportions of intergenerationally correlated CpGs suggest that epigenetic inheritance is limited.
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Affiliation(s)
- Yu Jiang
- Division of Epidemiology, Biostatistics, and Environmental Health, School of Public Health, University of Memphis, Memphis, TN, USA.
| | - Hongmei Zhang
- Division of Epidemiology, Biostatistics, and Environmental Health, School of Public Health, University of Memphis, Memphis, TN, USA
| | - Su Chen
- Department of Mathematical Science, University of Nebraska Medical Center, Omaha, NE, USA
- Department of Biostatistics, University of Nebraska Medical Center, Omaha, NE, USA
| | - Susan Ewart
- Department of Large Animal Clinical Sciences, Michigan State University, East Lansing, MI, USA
| | - John W Holloway
- Human Development and Health, Faculty of Medicine, University of Southampton, Southampton, UK
| | - Hasan Arshad
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK
| | - Wilfried Karmaus
- Division of Epidemiology, Biostatistics, and Environmental Health, School of Public Health, University of Memphis, Memphis, TN, USA.
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4
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Crafa A, Cannarella R, Calogero AE, Gunes S, Agarwal A. Behind the Genetics: The Role of Epigenetics in Infertility-Related Testicular Dysfunction. Life (Basel) 2024; 14:803. [PMID: 39063558 PMCID: PMC11277947 DOI: 10.3390/life14070803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 06/20/2024] [Accepted: 06/21/2024] [Indexed: 07/28/2024] Open
Abstract
In recent decades, we have witnessed a progressive decline in male fertility. This is partly related to the increased prevalence of chronic diseases (e.g., obesity and diabetes mellitus) and risky lifestyle behaviors. These conditions alter male fertility through various non-genetic mechanisms. However, there is increasing evidence that they are also capable of causing sperm epigenetic alterations, which, in turn, can cause infertility. Furthermore, these modifications could be transmitted to offspring, altering their general and reproductive health. Therefore, these epigenetic modifications could represent one of the causes of the progressive decline in sperm count recorded in recent decades. This review focuses on highlighting epigenetic modifications at the sperm level induced by non-genetic causes of infertility. In detail, the effects on DNA methylation, histone modifications, and the expression profiles of non-coding RNAs are evaluated. Finally, a focus on the risk of transgenerational inheritance is presented. Our narrative review aims to demonstrate how certain conditions can alter gene expression, potentially leading to the transmission of anomalies to future generations. It emphasizes the importance of the early detection and treatment of reversible conditions (such as obesity and varicocele) and the modification of risky lifestyle behaviors. Addressing these issues is crucial for individual health, in preserving fertility, and in ensuring the well-being of future generations.
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Affiliation(s)
- Andrea Crafa
- Department of Clinical and Experimental Medicine, University of Catania, 95123 Catania, Italy; (A.C.); (R.C.); (A.E.C.)
- Global Andrology Forum, Moreland Hills, OH 44022, USA
| | - Rossella Cannarella
- Department of Clinical and Experimental Medicine, University of Catania, 95123 Catania, Italy; (A.C.); (R.C.); (A.E.C.)
- Global Andrology Forum, Moreland Hills, OH 44022, USA
- Glickman Urological & Kidney Institute, Cleveland Clinic Foundation, Cleveland, OH 44106, USA
| | - Aldo E. Calogero
- Department of Clinical and Experimental Medicine, University of Catania, 95123 Catania, Italy; (A.C.); (R.C.); (A.E.C.)
- Global Andrology Forum, Moreland Hills, OH 44022, USA
| | - Sezgin Gunes
- Global Andrology Forum, Moreland Hills, OH 44022, USA
- Department of Medical Biology, Faculty of Medicine, Ondokuz Mayis University, 55280 Samsun, Türkiye
| | - Ashok Agarwal
- Global Andrology Forum, Moreland Hills, OH 44022, USA
- Cleveland Clinic Foundation, Cleveland, OH 44195, USA
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5
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Zhu X, Jiang P, Ying X, Tang X, Deng Y, Gao X, Yang X. Pregnancy induced hypertension and umbilical cord blood DNA methylation in newborns: an epigenome-wide DNA methylation study. BMC Pregnancy Childbirth 2024; 24:433. [PMID: 38886689 PMCID: PMC11181590 DOI: 10.1186/s12884-024-06623-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 06/05/2024] [Indexed: 06/20/2024] Open
Abstract
OBJECTIVIES Pregnancy induced hypertension (PIH) syndrome is a disease that unique to pregnant women and is associated with elevated risk of offspring cardiovascular diseases (CVDs) and neurodevelopmental disorders in their kids. Previous research on cord blood utilizing the Human Methylation BeadChip or EPIC array revealed that PIH is associated with specific DNA methylation site. Here, we investigate the whole genome DNA methylation landscape of cord blood from newborns of PIH mother. METHODS Whole-genome bisulfite sequencing (WGBS) was used to examine the changes in whole genome DNA methylation in the umbilical cord blood of three healthy (NC) and four PIH individuals. Using methylKit, we discovered Hypo- and hyper- differentially methylated probes (DMPs) or methylated regions (DMRs) in the PIH patients' cord blood DNA. Pathway enrichments were assessed using Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment assays. DMPs or DMRs relevant to the immunological, neurological, and circulatory systems were also employed for enrichment assay, Metascape analysis and PPI network analysis. RESULTS 520 hyper- and 224 hypo-DMPs, and 374 hyper- and 186 hypo-DMRs between NC and PIH group, respectively. Both DMPs and DMRs have enhanced pathways for cardiovascular, neurological system, and immune system development. Further investigation of DMPs or DMRs related to immunological, neurological, and circulatory system development revealed that TBK1 served as a hub gene for all three developmental pathways. CONCLUSION PIH-associated DMPs or DMRs in umbilical cord blood DNA may play a role in immunological, neurological, and circulatory system development. Abnormal DNA methylation in the immune system may also contribute to the development of CVDs and neurodevelopment disorders.
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Affiliation(s)
- Xiaojun Zhu
- Department of Obstetrics, Women's Hospital, Medicine School of Zhejiang University, Hangzhou, 310006, China
| | - Peiyue Jiang
- Department of Obstetrics, Women's Hospital, Medicine School of Zhejiang University, Hangzhou, 310006, China
| | - Xia Ying
- Department of Obstetrics, Women's Hospital, Medicine School of Zhejiang University, Hangzhou, 310006, China
| | - Xueling Tang
- Department of Obstetrics, Women's Hospital, Medicine School of Zhejiang University, Hangzhou, 310006, China
| | - Youcai Deng
- Department of Hematology, College of Pharmacy and Laboratory Medicine Science, Army Medical University, Chongqing, 400038, China
| | - Xinghong Gao
- School of Basic Medicine, Zunyi Medical University, Zunyi , Guizhou, 563006, China.
| | - Xiaofu Yang
- Department of Obstetrics, Women's Hospital, Medicine School of Zhejiang University, Hangzhou, 310006, China.
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6
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Hatai D, Levenson MT, Rehan VK, Allard P. Inter- and trans-generational impacts of environmental exposures on the germline resolved at the single-cell level. CURRENT OPINION IN TOXICOLOGY 2024; 38:100465. [PMID: 38586548 PMCID: PMC10993723 DOI: 10.1016/j.cotox.2024.100465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
Reproduction is a remarkably intricate process involving the interaction of multiple cell types and organ systems unfolding over long periods of time and that culminates with the production of gametes. The initiation of germ cell development takes place during embryogenesis but only completes decades later in humans. The complexity inherent to reproduction and its study has long hampered our ability to decipher how environmental agents disrupt this process. Single-cell approaches provide an opportunity for a deeper understanding of the action of toxicants on germline function and analyze how the response to their exposure is differentially distributed across tissues and cell types. In addition to single-cell RNA sequencing, other single-cell or nucleus level approaches such as ATAC-sequencing and multi-omics have expanded the strategies that can be implemented in reproductive toxicological studies to include epigenomic and the nuclear transcriptomic data. Here we will discuss the current state of single-cell technologies and how they can best be utilized to advance reproductive toxicological studies. We will then discuss case studies in two model organisms (Caenorhabditis elegans and mouse) studying different environmental exposures (alcohol and e-cigarettes respectively) to highlight the value of single-cell and single-nucleus approaches for reproductive biology and reproductive toxicology.
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Affiliation(s)
- Dylan Hatai
- UCLA Molecular Toxicology Interdepartmental Program, University of California Los Angeles, Los Angeles, CA, USA
| | - Max T. Levenson
- UCLA Molecular Toxicology Interdepartmental Program, University of California Los Angeles, Los Angeles, CA, USA
| | - Virender K. Rehan
- UCLA Molecular Toxicology Interdepartmental Program, University of California Los Angeles, Los Angeles, CA, USA
- Department of Pediatrics, The Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
| | - Patrick Allard
- UCLA Molecular Toxicology Interdepartmental Program, University of California Los Angeles, Los Angeles, CA, USA
- Institute for Society and Genetics, University of California, Los Angeles, Los Angeles, CA, USA
- Molecular Biology Institute, University of California, Los Angeles, Los Angeles, CA, USA
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7
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Crean AJ, Senior AM, Freire T, Clark TD, Mackay F, Austin G, Pulpitel TJ, Nobrega MA, Barrès R, Simpson SJ. Paternal dietary macronutrient balance and energy intake drive metabolic and behavioral differences among offspring. Nat Commun 2024; 15:2982. [PMID: 38582785 PMCID: PMC10998877 DOI: 10.1038/s41467-024-46782-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 03/11/2024] [Indexed: 04/08/2024] Open
Abstract
Paternal diet can influence the phenotype of the next generation, yet, the dietary components inducing specific responses in the offspring are not identified. Here, we use the Nutritional Geometry Framework to determine the effects of pre-conception paternal dietary macronutrient balance on offspring metabolic and behavioral traits in mice. Ten isocaloric diets varying in the relative proportion of protein, fats, and carbohydrates are fed to male mice prior to mating. Dams and offspring are fed standard chow and never exposed to treatment diets. Body fat in female offspring is positively associated with the paternal consumption of fat, while in male offspring, an anxiety-like phenotype is associated to paternal diets low in protein and high in carbohydrates. Our study uncovers that the nature and the magnitude of paternal effects are driven by interactions between macronutrient balance and energy intake and are not solely the result of over- or undernutrition.
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Affiliation(s)
- Angela Jane Crean
- Charles Perkins Centre and School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Alistair McNair Senior
- Charles Perkins Centre and School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Therese Freire
- Charles Perkins Centre and School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Thomas Daniel Clark
- Charles Perkins Centre and School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Flora Mackay
- Charles Perkins Centre and School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Gracie Austin
- Charles Perkins Centre and School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Tamara Jayne Pulpitel
- Charles Perkins Centre and School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW, 2006, Australia
| | | | - Romain Barrès
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Copenhagen, DK, 2200, Denmark.
- Institut de Pharmacologie Moléculaire et Cellulaire, Université Côte d'Azur & Centre National pour la Recherche Scientifique (CNRS), Valbonne, 06560, France.
| | - Stephen James Simpson
- Charles Perkins Centre and School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW, 2006, Australia.
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8
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Tobacco or marijuana use and infertility: a committee opinion. Fertil Steril 2024; 121:589-603. [PMID: 38284953 DOI: 10.1016/j.fertnstert.2023.12.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 12/21/2023] [Indexed: 01/30/2024]
Abstract
In the United States, approximately 21% of adults report some form of tobacco use, although 18% report marijuana use. Although the negative impact of tobacco use in pregnancy is well documented, the impact of tobacco and marijuana on fertility and reproduction is less clear. This committee opinion reviews the potential deleterious effects of tobacco, nicotine, and marijuana use on conception, ovarian follicular dynamics, sperm parameters, gamete mutations, early pregnancy, and assisted reproductive technology outcomes. It also reviews the current status of tobacco smoking cessation strategies. This document replaces the 2018 American Society for Reproductive Medicine Practice Committee document entitled Smoking and Infertility: a committee opinion (Fertil Steril 2018).
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9
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Wang M, Zhu H, Jiang Y, Liu R, Wang R. Effects of histones related to sperm chromatin on embryo development and ART outcomes. Medicine (Baltimore) 2023; 102:e36113. [PMID: 38013277 PMCID: PMC10681556 DOI: 10.1097/md.0000000000036113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 10/24/2023] [Indexed: 11/29/2023] Open
Abstract
In the process of spermatogenesis and maturation, histones of the sperm nucleus were gradually replaced by protamine. Abnormal sperm nucleoprotein histotype conversion can make sperm DNA unstable and affect sperm function. The aim of this study is to investigate the impact of high and low proportion of sperm histone positivity in semen sample on embryonic development and assisted reproductive technology results, and to evaluate its diagnostic value in assisted reproduction. Sperm nuclear status was detected with aniline blue staining. Under acidic conditions, aniline blue combines with histones rich in lysine residues to form blue compounds. The groups were divided according to the critical value of sperm histone positive ratio of 30%. Using the intracytoplasmic sperm injection procedure, the fertilization rate and normal fertilization rate in the normal sperm histone positive ratio group were significantly higher than those in the abnormal group, and the difference was statistically significant (P < .001). Using the in vitro fertilization procedure, the effect of sperm histone positive ratio on each index was not statistically different. Overall the study provides some preliminary evidence that abnormal sperm histones may be a factor that affects the fertilization success of intracytoplasmic sperm injection procedures. However, more research is needed to confirm this finding to determine the exact mechanism by which abnormal sperm histones affect fertilization.
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Affiliation(s)
- Mingyue Wang
- Center of Reproductive Medicine and Center of Prenatal Diagnosis, First Hospital, Jilin University, Changchun, China
| | - Haibo Zhu
- Center of Reproductive Medicine and Center of Prenatal Diagnosis, First Hospital, Jilin University, Changchun, China
| | - Yuting Jiang
- Center of Reproductive Medicine and Center of Prenatal Diagnosis, First Hospital, Jilin University, Changchun, China
| | - Ruizhi Liu
- Center of Reproductive Medicine and Center of Prenatal Diagnosis, First Hospital, Jilin University, Changchun, China
| | - Ruixue Wang
- Center of Reproductive Medicine and Center of Prenatal Diagnosis, First Hospital, Jilin University, Changchun, China
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10
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Wei S, Luo S, Zhang H, Li Y, Zhao J. Paternal high-fat diet altered SETD2 gene methylation in sperm of F0 and F1 mice. GENES & NUTRITION 2023; 18:12. [PMID: 37598138 PMCID: PMC10439541 DOI: 10.1186/s12263-023-00731-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 08/11/2023] [Indexed: 08/21/2023]
Abstract
Paternal high-fat diet (HFD) can alter the epigenetics of sperm DNA, resulting in the transmission of obesity-related traits to the offspring. Previous studies have mainly focused on the HFD-induced changes in DNA methylation of imprinted genes, overlooking the potential involvement of non-imprinted genes in this process. SETD2, an important epigenetically-regulated gene known for its response to environmental stress, remains poorly understood in the context of high-fat diet-induced epigenetic changes. Here we examined the effect of obesity from a HFD on paternal SETD2 expression and methylation in sperm, and embryos at the blastocyst stage and during subsequent development, to determine the alteration of SETD2 in paternal intergenerational and transgenerational inheritance. The result showed that mice fed with HFD for two months had significantly increased SETD2 expression in testis and sperm. The paternal HFD significantly altered the DNA methylation level with 20 of the 26 CpG sites being changed in sperm from F0 mice. Paternal high-fat diet increased apoptotic index and decreased total cell number of blastocysts, which were closely correlated with DNA methylation level of sperm. Out of the 26 CpG sites, we also found three CpG sites that were significantly changed in the sperm from F1 mice, which meant that the methylation changes at these three CpG sites were maintained.In conclusion, we found that paternal exposure to an HFD disrupted the methylation pattern of SETD2 in the sperm of F0 mice and resulted in perturbed SETD2 expression. Furthermore, the paternal high-fat diet influenced embryo apoptosis and development, possibly through the SETD2 pathway. The altered methylation of SETD2 in sperm induced by paternal HFD partially persisted in the sperm of the F1 generation, highlighting the role of SETD2 as an epigenetic carrier for paternal intergenerational and transgenerational inheritance.
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Affiliation(s)
- Suhua Wei
- Department of Hematology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Shiwei Luo
- State Key Laboratory of Oncology in South China, Sun Yat-Sen University, Guangzhou, China
| | - Haifeng Zhang
- Xi'an International Medical Center Hospital, Xi'an, Shaanxi, China
| | - Yandong Li
- Xi'an International Medical Center Hospital, Xi'an, Shaanxi, China.
| | - Juan Zhao
- Department of Hematology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
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11
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Shi Q, Qi K. Developmental origins of health and disease: Impact of paternal nutrition and lifestyle. Pediatr Investig 2023; 7:111-131. [PMID: 37324600 PMCID: PMC10262906 DOI: 10.1002/ped4.12367] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 01/29/2023] [Indexed: 09/20/2023] Open
Abstract
Most epidemiological and experimental studies have focused on maternal influences on offspring's health. The impact of maternal undernutrition, overnutrition, hypoxia, and stress is linked to adverse offspring outcomes across a range of systems including cardiometabolic, respiratory, endocrine, and reproduction among others. During the past decade, it has become evident that paternal environmental factors are also linked to the development of diseases in offspring. In this article, we aim to outline the current understanding of the impact of male health and environmental exposure on offspring development, health, and disease and explore the mechanisms underlying the paternal programming of offspring health. The available evidence suggests that poor paternal pre-conceptional nutrition and lifestyle, and advanced age can increase the risk of negative outcomes in offspring, via both direct (genetic/epigenetic) and indirect (maternal uterine environment) effects. Beginning at preconception, and during utero and the early life after birth, cells acquire an epigenetic memory of the early exposure which can be influential across the entire lifespan and program a child's health. Potentially not only mothers but also fathers should be advised that maintaining a healthy diet and lifestyle is important to improve offspring health as well as the parental health status. However, the evidence is mostly based on animal studies, and well-designed human studies are urgently needed to verify findings from animal data.
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Affiliation(s)
- Qiaoyu Shi
- Laboratory of Nutrition and Development, Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Pediatric Research Institute, Beijing Children's HospitalCapital Medical University, National Center for Children's HealthBeijingChina
| | - Kemin Qi
- Laboratory of Nutrition and Development, Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Pediatric Research Institute, Beijing Children's HospitalCapital Medical University, National Center for Children's HealthBeijingChina
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12
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Garrido N, Boitrelle F, Saleh R, Durairajanayagam D, Colpi G, Agarwal A. Sperm epigenetics landscape: correlation with embryo quality, reproductive outcomes and offspring's health. Panminerva Med 2023; 65:166-178. [PMID: 37335245 DOI: 10.23736/s0031-0808.23.04871-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2023]
Abstract
Epigenetics refers to how gene expression and function are modulated without modifying the DNA sequence but through subtle molecular changes or interactions with it. As spermatogenesis progresses, male germ cells suffer plenty of epigenetic modifications, resulting in the definitive epigenome of spermatozoa conditioning its functionality, and this process can be altered by several internal and external factors. The paternal epigenome is crucial for sperm function, fertilization, embryo development, and offspring's health, and altered epigenetic states are associated with male infertility with or without altered semen parameters, embryo quality impairment, and worse ART outcomes together with the future offspring's health risks mainly through intergenerational transmission of epigenetic marks. Identifying epigenetic biomarkers may improve male factor diagnosis and the development of targeted therapies, not only to improve fertility but also to allow an early detection of risk and disease prevention in the progeny. While still there is much research to be done, hopefully in the near future, improvements in high-throughput technologies applied to epigenomes will permit our understanding of the underlying epigenetic mechanisms and the development of diagnostics and therapies leading to improved reproductive outcomes. In this review, we discuss the mechanisms of epigenetics in sperm and how epigenetics behave during spermatogenesis. Additionally, we elaborate on the relationship of sperm epigenetics with sperm parameters and male infertility, and highlight the impact of sperm epigenetic alterations on sperm parameters, embryo quality, ART outcomes, miscarriage rates and offspring's health. Furthermore, we provide insights into the future research of epigenetic alterations in male infertility.
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Affiliation(s)
- Nicolás Garrido
- Global Andrology Forum, Moreland Hills, OH, USA
- IVI Foundation, Instituto de Investigación Sanitaria La Fe (IIS La Fe), Valencia, Spain
| | - Florence Boitrelle
- Global Andrology Forum, Moreland Hills, OH, USA
- Reproductive Biology, Fertility Preservation, Andrology, CECOS, Poissy Hospital, Poissy, France
- Paris Saclay University, UVSQ, INRAE, BREED, Jouy-en-Josas, France
| | - Ramadan Saleh
- Global Andrology Forum, Moreland Hills, OH, USA
- Department of Dermatology, Venereology and Andrology, Faculty of Medicine, Sohag University, Sohag, Egypt
| | - Damayanthi Durairajanayagam
- Global Andrology Forum, Moreland Hills, OH, USA
- Department of Physiology, Faculty of Medicine, Universiti Teknologi MARA, Selangor, Malaysia
| | - Giovanni Colpi
- Global Andrology Forum, Moreland Hills, OH, USA
- Next Fertility Procrea, Lugano, Switzerland
| | - Ashok Agarwal
- Global Andrology Forum, Moreland Hills, OH, USA -
- American Center for Reproductive Medicine, Cleveland, OH, USA
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13
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Lo JO, D’Mello RJ, Watch L, Schust DJ, Murphy SK. An epigenetic synopsis of parental substance use. Epigenomics 2023; 15:453-473. [PMID: 37282544 PMCID: PMC10308258 DOI: 10.2217/epi-2023-0064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 05/16/2023] [Indexed: 06/08/2023] Open
Abstract
The rate of substance use is rising, especially among reproductive-age individuals. Emerging evidence suggests that paternal pre-conception and maternal prenatal substance use may alter offspring epigenetic regulation (changes to gene expression without modifying DNA) and outcomes later in life, including neurodevelopment and mental health. However, relatively little is known due to the complexities and limitations of existing studies, making causal interpretations challenging. This review examines the contributions and influence of parental substance use on the gametes and potential transmissibility to the offspring's epigenome as possible areas to target public health warnings and healthcare provider counseling of individuals or couples in the pre-conception and prenatal periods to ultimately mitigate short- and long-term offspring morbidity and mortality.
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Affiliation(s)
- Jamie O Lo
- Division of Reproductive & Developmental Sciences, Oregon National Primate Research Center, Oregon Health & Science University, Beaverton, OR 97006, USA; Department of Obstetrics & Gynecology, Maternal Fetal Medicine, Oregon Health & Science University, Portland, OR 97239, USA
| | - Rahul J D’Mello
- Division of Reproductive & Developmental Sciences, Oregon National Primate Research Center, Oregon Health & Science University, Beaverton, OR 97006, USA; Department of Obstetrics & Gynecology, Maternal Fetal Medicine, Oregon Health & Science University, Portland, OR 97239, USA
| | - Lester Watch
- Department of Obstetrics & Gynecology, Duke University Medical Center, Durham, NC 27710, USA
| | - Danny J Schust
- Department of Obstetrics & Gynecology, Duke University Medical Center, Durham, NC 27710, USA
- Division of Reproductive Endocrinology & Infertility, Department of Obstetrics & Gynecology, Duke University Medical Center, Durham, NC 27710, USA
| | - Susan K Murphy
- Department of Obstetrics & Gynecology, Duke University Medical Center, Durham, NC 27710, USA
- Division of Reproductive Sciences, Department of Obstetrics & Gynecology, Duke University Medical Center, Durham, NC 27701, USA; Division of Environmental Sciences & Policy, Duke Nicholas School of the Environment, Duke University, Durham, NC 27708, USA; Department of Pathology, Duke University Medical Center, Durham, NC, 27710, USA
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14
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Svanes C, Holloway JW, Krauss-Etschmann S. Preconception origins of asthma, allergies and lung function: The influence of previous generations on the respiratory health of our children. J Intern Med 2023; 293:531-549. [PMID: 36861185 DOI: 10.1111/joim.13611] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
Abstract
Emerging research suggests that exposures occurring years before conception are important determinants of the health of future offspring and subsequent generations. Environmental exposures of both the father and mother, or exposure to disease processes such as obesity or infections, may influence germline cells and thereby cause a cascade of health outcomes in multiple subsequent generations. There is now increasing evidence that respiratory health is influenced by parental exposures that occur long before conception. The strongest evidence relates adolescent tobacco smoking and overweight in future fathers to increased asthma and lower lung function in their offspring, supported by evidence on parental preconception occupational exposures and air pollution. Although this literature is still sparse, the epidemiological analyses reveal strong effects that are consistent across studies with different designs and methodologies. The results are strengthened by mechanistic research from animal models and (scarce) human studies that have identified molecular mechanisms that can explain the epidemiological findings, suggesting transfer of epigenetic signals through germline cells, with susceptibility windows in utero (both male and female line) and prepuberty (male line). The concept that our lifestyles and behaviours may influence the health of our future children represents a new paradigm. This raises concerns for future health in decades to come with respect to harmful exposures but may also open for radical rethinking of preventive strategies that may improve health in multiple generations, reverse the imprint of our parents and forefathers, and underpin strategies that can break the vicious circle of propagation of health inequalities across generations.
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Affiliation(s)
- Cecilie Svanes
- Centre for International Health, Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway.,Department of Occupational Medicine, Haukeland University Hospital, Bergen, Norway
| | - John W Holloway
- Human Development and Health, Faculty of Medicine, University of Southampton, Southampton, UK
| | - Susanne Krauss-Etschmann
- Division of Early Life Origins of Chronic Lung Diseases, Research Center Borstel, Airway Research Center North (ARCN), German Center for Lung Research (DZL), Borstel, Germany.,Institute of Experimental Medicine, Christian-Albrechts-Universität zu Kiel, Kiel, Germany
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15
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Greeson KW, Crow KMS, Edenfield RC, Easley CA. Inheritance of paternal lifestyles and exposures through sperm DNA methylation. Nat Rev Urol 2023:10.1038/s41585-022-00708-9. [PMID: 36653672 DOI: 10.1038/s41585-022-00708-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/12/2022] [Indexed: 01/19/2023]
Abstract
Many different lifestyle factors and chemicals present in the environment are a threat to the reproductive tracts of humans. The potential for parental preconception exposure to alter gametes and for these alterations to be passed on to offspring and negatively affect embryo growth and development is of concern. The connection between maternal exposures and offspring health is a frequent focus in epidemiological studies, but paternal preconception exposures are much less frequently considered and are also very important determinants of offspring health. Several environmental and lifestyle factors in men have been found to alter sperm epigenetics, which can regulate gene expression during early embryonic development. Epigenetic information is thought to be a mechanism that evolved for organisms to pass on information about their lived experiences to offspring. DNA methylation is a well-studied epigenetic regulator that is sensitive to environmental exposures in somatic cells and sperm. The continuous production of sperm from spermatogonial stem cells throughout a man's adult life and the presence of spermatogonial stem cells outside of the blood-testis barrier makes them susceptible to environmental insults. Furthermore, altered sperm DNA methylation patterns can be maintained throughout development and ultimately result in impairments, which could predispose offspring to disease. Innovations in human stem cell-based spermatogenic models can be used to elucidate the paternal origins of health and disease.
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Affiliation(s)
- Katherine W Greeson
- Department of Environmental Health Science, College of Public Health, University of Georgia, Athens, GA, USA.,Regenerative Bioscience Center, University of Georgia, Athens, GA, USA
| | - Krista M S Crow
- Department of Environmental Health Science, College of Public Health, University of Georgia, Athens, GA, USA.,Regenerative Bioscience Center, University of Georgia, Athens, GA, USA
| | - R Clayton Edenfield
- Department of Environmental Health Science, College of Public Health, University of Georgia, Athens, GA, USA.,Regenerative Bioscience Center, University of Georgia, Athens, GA, USA
| | - Charles A Easley
- Department of Environmental Health Science, College of Public Health, University of Georgia, Athens, GA, USA. .,Regenerative Bioscience Center, University of Georgia, Athens, GA, USA.
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16
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Moharrek F, Ingerslev LR, Altıntaş A, Lundell L, Hansen AN, Small L, Workman CT, Barrès R. Comparative analysis of sperm DNA methylation supports evolutionary acquired epigenetic plasticity for organ speciation. Epigenomics 2022; 14:1305-1324. [PMID: 36420698 DOI: 10.2217/epi-2022-0168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Aim: To perform a comparative epigenomic analysis of DNA methylation in spermatozoa from humans, mice, rats and mini-pigs. Materials & methods: Genome-wide DNA methylation analysis was used to compare the methylation profiles of orthologous CpG sites. Transcription profiles of early embryo development were analyzed to provide insight into the association between sperm methylation and gene expression programming. Results: We identified DNA methylation variation near genes related to the central nervous system and signal transduction. Gene expression dynamics at different time points of preimplantation stages were modestly associated with spermatozoal DNA methylation at the nearest promoters. Conclusion: Conserved genomic regions subject to epigenetic variation across different species were associated with specific organ functions, suggesting their potential contribution to organ speciation and long-term adaptation to the environment.
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Affiliation(s)
- Farideh Moharrek
- The Novo Nordisk Foundation Centre for Basic Metabolic Research, Faculty of Health & Medical Sciences, University of Copenhagen, Copenhagen, 2200, Denmark
| | - Lars R Ingerslev
- The Novo Nordisk Foundation Centre for Basic Metabolic Research, Faculty of Health & Medical Sciences, University of Copenhagen, Copenhagen, 2200, Denmark
| | - Ali Altıntaş
- The Novo Nordisk Foundation Centre for Basic Metabolic Research, Faculty of Health & Medical Sciences, University of Copenhagen, Copenhagen, 2200, Denmark
| | - Leonidas Lundell
- The Novo Nordisk Foundation Centre for Basic Metabolic Research, Faculty of Health & Medical Sciences, University of Copenhagen, Copenhagen, 2200, Denmark
| | - Ann N Hansen
- The Novo Nordisk Foundation Centre for Basic Metabolic Research, Faculty of Health & Medical Sciences, University of Copenhagen, Copenhagen, 2200, Denmark
| | - Lewin Small
- The Novo Nordisk Foundation Centre for Basic Metabolic Research, Faculty of Health & Medical Sciences, University of Copenhagen, Copenhagen, 2200, Denmark
| | - Christopher T Workman
- Department of Biotechnology & Biomedicine, Technical University of Denmark, Lyngby, 2800, Denmark
| | - Romain Barrès
- The Novo Nordisk Foundation Centre for Basic Metabolic Research, Faculty of Health & Medical Sciences, University of Copenhagen, Copenhagen, 2200, Denmark.,Institut de Pharmacologie Moléculaire et Cellulaire, Université Côte d'Azur & Centre National pour la Recherche Scientifique (CNRS), Valbonne, 06560, France
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17
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You Y, Liu R, Zhou H, Wu R, Lin R, Li B, Liu H, Qiao Y, Guo P, Ding Z, Zhang Q. Effect of Exposure to Paternal Smoking on Overweight and Obesity in Children: Findings from the Children Lifeway Cohort in Shenzhen, Southern China. Obes Facts 2022; 15:609-620. [PMID: 35738239 PMCID: PMC9421693 DOI: 10.1159/000525544] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 05/13/2022] [Indexed: 02/05/2023] Open
Abstract
INTRODUCTION Paternal smoking associated with childhood overweight and obesity has been a concern, but studies have not investigated smoking exposure and smoking details. We investigated the association of exposures from paternal smoking as well as smoking details on offspring overweight/obesity. METHODS A total of 4,513 children (aged 7-8 years) in Shenzhen were enrolled. Four different exposures from paternal smoking as well as smoking quantity, duration of smoking, and age of starting smoking details were the exposure variables and demographic characteristics, and circumstances of birth, dietary intake, lifestyle, and nonpaternal-smoking exposure were covariates in the logistic regression analysis to determine the effect of paternal smoking on childhood overweight/obesity, estimating odds ratios (ORs), and 95% confidence intervals (CIs). RESULTS Paternal smoking was positively associated with childhood overweight/obesity (p < 0.05). Moreover, only preconception exposure, and both pre- and postconception exposure were significantly associated with childhood overweight/obesity (OR 1.54 [95% CI: 1.14-2.08] and OR 1.73 [95% CI: 1.14-2.61], respectively), restricted to boys but not girls. Furthermore, for children with only preconception paternal-smoking exposure, the dose-response relation was positive between smoking quantity, duration of smoking, age at starting, and overweight/obesity for boy offspring (p trend <0.001). We did not find any significant association between only postnatal exposure to paternal smoking and childhood overweight/obesity (p > 0.05). CONCLUSIONS Our findings suggest that paternal smoking is associated with boys' overweight/obesity, and this association may be due to the paternal-smoking exposure before conception rather than the postnatal exposure to paternal smoking. Reducing paternal-smoking exposure before conception might help reduce overweight/obesity in boys.
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Affiliation(s)
- Yingbin You
- Baoan Central Hospital of Shenzhen, Shenzhen, China
| | - Ruiguo Liu
- Department of Preventive Medicine, Shantou University Medical College, Shantou, China
| | - Hua Zhou
- Baoan Central Hospital of Shenzhen, Shenzhen, China
| | - Rong Wu
- Department of Preventive Medicine, Shantou University Medical College, Shantou, China
| | - Rongqing Lin
- Department of Preventive Medicine, Shantou University Medical College, Shantou, China
| | - Boya Li
- Department of Preventive Medicine, Shantou University Medical College, Shantou, China
| | - Hui Liu
- Baoan Central Hospital of Shenzhen, Shenzhen, China
| | | | - Pi Guo
- Department of Preventive Medicine, Shantou University Medical College, Shantou, China
| | - Zan Ding
- Baoan Central Hospital of Shenzhen, Shenzhen, China
| | - Qingying Zhang
- Department of Preventive Medicine, Shantou University Medical College, Shantou, China
- Guangdong Provincial Key Laboratory for Breast Cancer Diagnosis and Treatment, Cancer Hospital of Shantou University Medical College, Shantou, China
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