Twin Research and Human Genetics

Journal Article

GWAS of Dizygotic Twinning in an Enlarged Australian Sample of Mothers of DZ Twins

Gordon, Scott D.; Duffy, David L.; Whiteman, David C.; Olsen, Catherine M.; McAloney, Kerrie;

2023 Twin Research and Human Genetics

doi:10.1017/thg.2023.45 pmid:37994447

Abstract Female fertility is a complex trait with age-specific changes in spontaneous dizygotic (DZ) twinning and fertility. To elucidate factors regulating female fertility and infertility, we conducted a genome-wide association study (GWAS) on mothers of spontaneous DZ twins (MoDZT) versus...

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Journal Article

Genetic and Familial Influences on Self-Perception in Early Childhood and Self-Esteem in Adulthood: A Cross-Sectional Analysis

Marshall, Riley L.; DiLalla, Lisabeth Fisher; Harbke, Colin R.; Pali, Emily C.

2023 Twin Research and Human Genetics

doi:10.1017/thg.2023.44 pmid:37859614

Abstract Self-perception in early childhood and self-esteem in adulthood are related to a variety of aspects of psychological wellbeing. The goal of the present study was to examine genetic and familial influences on self-perception and self-esteem in separate samples of children (153 twin pairs...

Open Access

Journal Article

National Trends in Suicides and Male Twin Live Births in the US, 2003 to 2019: An Updated Test of Collective Optimism and Selection in Utero

Singh, Parvati; Gailey, Samantha; Das, Abhery; Bruckner, Tim A.

2023 Twin Research and Human Genetics

doi:10.1017/thg.2023.49 pmid:38099411

Abstract Prior research based on Swedish data suggests that collective optimism, as measured by monthly incidence of suicides, correlates inversely with selection in utero against male twins in a population. We test this finding in the US, which reports the highest suicide rate of all...

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Journal Article

Association Between Dysmenorrhea and Risk of Epilepsy in East Asian Populations: A Bidirectional Two-Sample Mendelian Randomization Study

Ren, Yuehan; Zhang, Junning; Chen, Tong; Chen, Jiaqin; Liao, Yan;

2023 Twin Research and Human Genetics

doi:10.1017/thg.2023.48 pmid:38099415

Abstract Dysmenorrhea is associated with epilepsy. Existing evidence is mostly limited to observational studies, which are liable to confounding and bias. This study investigated the causal relevance of dysmenorrhea on epilepsy using Mendelian randomization (MR). We extracted instrumental...

Open Access

Journal Article

Comprehensive Multiomics Analysis of Monozygotic Twin Discordant for Double Outlet Right Ventricle

Liu, Zhen; Li, Nana; Pan, Xiaoyu; Li, Jun; Li, Shengli;

2023 Twin Research and Human Genetics

doi:10.1017/thg.2023.51 pmid:38099413

Abstract The objective of this study was to understand and measure epigenetic changes associated with the occurrence of CHDs by utilizing the discordant monozygotic twin model. A unique set of monozygotic twins discordant for double-outlet right ventricles (DORVs) was used for this multiomics...

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Journal Article

Book Review: Gay Fathers, Twin Sons: The Citizenship Case That Captured the World

Segal, Hila

2023 Twin Research and Human Genetics

doi:10.1017/thg.2023.39

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Journal Article

Born Apart, but Raised Together: Twins Delivered in Different Countries/Twin Research Reviews: Hallermann-Streiff Syndrome in Monozygotic (MZ) Twins; Effects of Technology on Conjoined Twin Separation; Reciprocal DIEP Transplantation Between MZ Twins; Guidelines for Multifetal Management/Media Reports: Book by World’s Oldest Auschwitz-Birkenau Twin Survivor; Passing of Ian Wilmut; Zhores Medvedev Was an Identical Twin; More Gay Fathers with Twin Sons; Twins and Siblings Admitted to Medical School; First and Fourth Records for Major League Baseball Twins

Segal, Nancy L.

2023 Twin Research and Human Genetics

doi:10.1017/thg.2023.46 pmid:37965686

Abstract The circumstances and subsequent life events of the first twins to have been born in different countries are examined. Given that both twins were born in the United Kingdom, their common citizenship was never questioned. In contrast, twins born in Canada to a legally married gay...

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