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Abstract
This special issue adopts a comparative approach to the politics of reproduction in twentieth-century France and Britain. The articles investigate the flow of information, practices and tools across national boundaries and between groups of experts, activists and laypeople. Empirically grounded in medical, news media and feminist sources, as well as ethnographic fieldwork, they reveal the practical similarities that existed between countries with officially different political regimes as well as local differences within the two countries. Taken as a whole, the special issue shows that the border between France and Britain was more porous than is typically apparent from nationally-focused studies: ideas, people and devices travelled in both directions; communication strategies were always able to evade the rule of law; contraceptive practices were surprisingly similar in both countries; and religion loomed large in debates on both sides of the channel.
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Affiliation(s)
- Jesse Olszynko-Gryn
- Chancellor’s Fellow, School of Humanities (History), University of Strathclyde, Lord Hope Building, 141 St James Road, Glasgow G4 0LT, UK
| | - Caroline Rusterholz
- Wellcome Trust Research Fellow, Faculty of History, University of Cambridge, Alison Richard Building, 7 West Road, Cambridge CB3 9DT, UK
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Dai K, Xu H, Ouyang N, Li Y, Yuan P, Wang L, Zhao X, Wang W. Correlation of human telomerase reverse transcriptase single nucleotide polymorphisms with in vitro fertilisation outcomes. J Assist Reprod Genet 2018; 36:517-527. [PMID: 30535641 DOI: 10.1007/s10815-018-1379-y] [Citation(s) in RCA: 4] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Accepted: 11/26/2018] [Indexed: 02/05/2023] Open
Abstract
PURPOSE To explore whether it is possible to predict the number and quality of the embryo using a few particular hTERT SNPs. METHODS We included 997 Han Chinese women who were genetically unrelated and underwent assisted reproduction using IVF from September 2014 to December 2015. DNA was genotyped by using TaqMan real-time quantitative PCR. RESULTS Among the 997 patients, individuals with the CC genotype of rs2075786 had a significantly lower number of good-quality embryos than those with the TT+TC genotypes. Compared with the CT+CC genotype carriers, patients carrying the TT genotype of rs2853677 had a significantly lower number of oocytes retrieved, mature oocytes and available embryos. Among the 750 patients aged ≤ 35 years, individuals with the AA+AG genotypes of rs2853691 had a significantly higher number of good-quality embryos than those with the GG genotype. The haplotype analysis showed that the TTTG (rs2853672/rs2853669/rs2735940/rs2736108) haplotype was more likely to lead to more than three good-quality embryos in patients aged ≤ 35 years. CONCLUSIONS Our study suggests that the hTERT SNP is associated with IVF outcomes.
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Affiliation(s)
- Kailing Dai
- Reproductive Medicine Center, Department of Obstetrics and Gynaecology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, No.107, Yanjiang Xi Road, Guangzhou, 510120, Guangdong, People's Republic of China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, Guangdong, People's Republic of China
| | - Hongmei Xu
- Reproductive Medicine Center, Department of Obstetrics and Gynaecology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, No.107, Yanjiang Xi Road, Guangzhou, 510120, Guangdong, People's Republic of China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, Guangdong, People's Republic of China
- Department of Obstetrics and Gynaecology, Fuzhou General Hospital, Fuzhou, 350001, Fujian, People's Republic of China
| | - Nengyong Ouyang
- Reproductive Medicine Center, Department of Obstetrics and Gynaecology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, No.107, Yanjiang Xi Road, Guangzhou, 510120, Guangdong, People's Republic of China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, Guangdong, People's Republic of China
| | - Ying Li
- Reproductive Medicine Center, Department of Obstetrics and Gynaecology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, No.107, Yanjiang Xi Road, Guangzhou, 510120, Guangdong, People's Republic of China
| | - Ping Yuan
- Reproductive Medicine Center, Department of Obstetrics and Gynaecology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, No.107, Yanjiang Xi Road, Guangzhou, 510120, Guangdong, People's Republic of China
| | - Liangan Wang
- Department of Obstetrics and Gynaecology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, Guangdong, People's Republic of China
| | - Xiaomiao Zhao
- Reproductive Medicine Center, Department of Obstetrics and Gynaecology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, No.107, Yanjiang Xi Road, Guangzhou, 510120, Guangdong, People's Republic of China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, Guangdong, People's Republic of China
| | - Wenjun Wang
- Reproductive Medicine Center, Department of Obstetrics and Gynaecology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, No.107, Yanjiang Xi Road, Guangzhou, 510120, Guangdong, People's Republic of China.
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, Guangdong, People's Republic of China.
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Castillo-Fernandez JE, Loke YJ, Bass-Stringer S, Gao F, Xia Y, Wu H, Lu H, Liu Y, Wang J, Spector TD, Saffery R, Craig JM, Bell JT. DNA methylation changes at infertility genes in newborn twins conceived by in vitro fertilisation. Genome Med 2017; 9:28. [PMID: 28340599 PMCID: PMC5364659 DOI: 10.1186/s13073-017-0413-5] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2016] [Accepted: 02/04/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The association of in vitro fertilisation (IVF) and DNA methylation has been studied predominantly at regulatory regions of imprinted genes and at just thousands of the ~28 million CpG sites in the human genome. METHODS We investigated the links between IVF and DNA methylation patterns in whole cord blood cells (n = 98) and cord blood mononuclear cells (n = 82) from newborn twins using genome-wide methylated DNA immunoprecipitation coupled with deep sequencing. RESULTS At a false discovery rate (FDR) of 5%, we identified one significant whole blood DNA methylation change linked to conception via IVF, which was located ~3 kb upstream of TNP1, a gene previously linked to male infertility. The 46 most strongly associated signals (FDR of 25%) included a second region in a gene also previously linked to infertility, C9orf3, suggesting that our findings may in part capture the effect of parental subfertility. Using twin modelling, we observed that individual-specific environmental factors appear to be the main overall contributors of methylation variability at the FDR 25% IVF-associated differentially methylated regions, although evidence for methylation heritability was also obtained at several of these regions. We replicated previous findings of differential methylation associated with IVF at the H19/IGF2 region in cord blood mononuclear cells, and we validated the signal at C9orf3 in monozygotic twins. We also explored the impact of intracytoplasmic sperm injection on the FDR 25% signals for potential effects specific to male or female infertility factors. CONCLUSIONS To our knowledge, this is the most comprehensive study of DNA methylation profiles at birth and IVF conception to date, and our results show evidence for epigenetic modifications that may in part reflect parental subfertility.
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Affiliation(s)
| | - Yuk Jing Loke
- Early Life Epigenetics, Murdoch Childrens Research Institute, Royal Children's Hospital, Parkville, VIC, Australia
| | - Sebastian Bass-Stringer
- Early Life Epigenetics, Murdoch Childrens Research Institute, Royal Children's Hospital, Parkville, VIC, Australia
| | - Fei Gao
- BGI-Shenzhen, Shenzhen, China
| | | | | | | | | | - Jun Wang
- BGI-Shenzhen, Shenzhen, China.,King Abdulaziz University, Jeddah, 22254, Saudi Arabia.,Department of Biology, University of Copenhagen, Copenhagen, DK-2200, Denmark.,The Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Copenhagen, DK-2200, Denmark
| | - Tim D Spector
- Department of Twin Research and Genetic Epidemiology, King's College London, SE1 7EH, London, UK.
| | - Richard Saffery
- Department of Paediatrics, University of Melbourne, Parkville, VIC, Australia. .,Cancer, Disease and Developmental Epigenetics, Murdoch Childrens Research Institute, Royal Children's Hospital, Parkville, VIC, Australia.
| | - Jeffrey M Craig
- Early Life Epigenetics, Murdoch Childrens Research Institute, Royal Children's Hospital, Parkville, VIC, Australia. .,Department of Paediatrics, University of Melbourne, Parkville, VIC, Australia.
| | - Jordana T Bell
- Department of Twin Research and Genetic Epidemiology, King's College London, SE1 7EH, London, UK.
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