PubMed Journals Articles About "Twin Study Finds Genetics Affects Where Children Look" - Page: 3 RSS

02:12 EST 12th December 2018 | BioPortfolio

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Showing "Twin study finds genetics affects where children look" PubMed Articles 51–75 of 67,000+

Fatigue symptoms in relation to neuroticism, anxiety-depression, and musculoskeletal pain. A longitudinal twin study.

The nature of the relationship between fatigue and its risk factors is poorly understood. In the present study the genetic and environmental association between anxiety-depression, musculoskeletal (MS) pain and fatigue was examined, and the role of neuroticism as a shared risk factor that may possibly explain the co-occurrence between these phenotypes was investigated in a combined cross-sectional and longitudinal twin design.

Long-term outcomes for monochorionic twins after laser therapy in twin-to-twin transfusion syndrome.

Twin-to-twin transfusion syndrome typically occurs in the second trimester in 10-15% of monochorionic twin pregnancies. Vascular anastomoses of monochorionic placentae are the underlying cause of the development of the syndrome. If a blood flow imbalance occurs, one fetus becomes the so-called donor twin and the other the recipient. If untreated, perinatal mortality is 80-90%. Fetoscopic laser coagulation of the vascular anastomoses destroys the cause of the syndrome and leads to dual twin survival rates of...

Does the heritability of cognitive abilities vary as a function of parental education? Evidence from a German twin sample.

A well-known hypothesis in the behavioral genetic literature predicts that the heritability of cognitive abilities is higher in the presence of higher socioeconomic contexts. However, studies suggest that the effect of socioeconomic status (SES) on the heritability of cognitive ability may not be universal, as it has mostly been demonstrated in the United States, but not in other Western nations. In the present study we tested whether the importance of genetic and environmental effects on cognitive abilitie...

Gender-specific association of the rs6499640 polymorphism in the FTO gene with plasma lipid levels in Chinese children.

The fat mass- and obesity-associated gene (FTO) is significantly associated with obesity, but the associations of FTO with obesity-related traits are not fully described. We aimed to investigate the association of the FTO single nucleotide polymorphism (SNP) rs6499640 with lipid levels in Chinese children. A total of 3503 children aged 6-18 years were included in the present study. Lipid levels were analyzed and the SNP rs6499640 was genotyped using the TaqMan Allelic Discrimination Assay. Statistically sig...

A Comparison of Child Blood Lead Levels in Urban and Rural Children Ages 5-12 Years Living in the Border Region of El Paso, Texas.

Lead exposure is an unresolved pediatric health risk and disproportionately affects children in lower-income neighborhoods. Residences with children younger than age 5 years are the focus of mitigation policies; however, studies have shown that older children between the ages of 5 and 12 years also are at risk of central nervous system effects. Whether historically contaminated neighborhoods present ongoing risk to older children also is of concern. This study compared the blood lead levels (BLLs) of olde...

Intertwin membrane separation in dichorionic twin pregnancy associated with intrauterine co-twin demise.

A 25-year-old woman (G P ) with a spontaneous dichorionic diamniotic twin pregnancy was referred to our institute. The patient provided written informed consent for the purposes of this report. She had no history of invasive procedures such as amniocentesis, and showed no complications such as infection or trauma. This article is protected by copyright. All rights reserved.

Comparative Study of the Clinical Pathology, Immunophenotype, Epstein-Barr Virus Infection Status, and Gene Rearrangements in Adult and Children Patients With Hydroa Vacciniforme-Like Lymphoproliferative Disorder.

Hydroa vacciniforme-like lymphoproliferative disorder (HVLPD) is a rare Epstein-Barr virus (EBV)-associated lymphoma that mainly affects children.

Patients receiving complementary medicine are more likely to die, study finds.

Revisiting the Children-of-Twins Design: Improving Existing Models for the Exploration of Intergenerational Associations.

Datasets comprising twins and their children can be a useful tool for understanding the nature of intergenerational associations between parent and offspring phenotypes. In the present article we explore structural equation models previously used to analyse Children-of-Twins data, highlighting some limitations and considerations. We then present new variants of these models, showing that extending the models to include multiple offspring per parent addresses several of the limitations discussed. Accompanyin...

The role of parental anxiety, depression, and psychological stress level on the development of early-childhood caries in children.

It is important to understand how the psychological status of parents affects oral health in children.

Maternal clinical predictors of preterm birth in twin pregnancies: A systematic review involving 2,930,958 twin pregnancies.

In twin pregnancies, which are at high risk of preterm birth, it is not known if maternal clinical characteristics pose additional risks. We undertook a systematic review to assess the risk of both spontaneous and iatrogenic early (

Inference about causation between body mass index and DNA methylation in blood from a twin family study.

Several studies have reported DNA methylation in blood to be associated with body mass index (BMI), but few have investigated causal aspects of the association. We used a twin family design to assess this association at two life points and applied a novel analytical approach to appraise the evidence for causality.

The rate of neonatal respiratory distress syndrome/transient tachypnea in the newborn and the amniotic lamellar body count in twin pregnancies compared with singleton pregnancies.

Whether or not the period of fetal lung maturity differs between twin and singleton pregnancies has not been clarified. We examined whether or not fetal lung maturity and fetal lung absorption are achieved earlier in twin fetuses than in singleton fetuses.

Age prediction of children and adolescents aged 6-17 years: an epigenome-wide analysis of DNA methylation.

The DNA methylation age, a good reflection of human aging process, has been used to predict chronological age of adults and newborns. However, the prediction model for children and adolescents was absent. In this study, we aimed to generate a prediction model of chronological age for children and adolescents aged 6-17 years by using age-specific DNA methylation patterns from 180 Chinese twin individuals. We identified 6,350 age-related CpGs from the epigenome-wide association analysis (N=179). 116 known age...

Study finds that cash is effective, but e-cigarettes are not in helping smokers quit.

Women see no benefit from colorectal cancer screening, study finds.

Physical activity reduces risk of depression at any age, finds study.

Perinatal and Peripartum Outcomes in Vanishing Twin Pregnancies Achieved by In Vitro Fertilization.

To compare perinatal and peripartum outcomes of vanishing twin gestations with singleton and dichorionic twin gestations in pregnancies conceived by in vitro fertilization.

Evaluation of association of DRD2 TaqIA and -141C InsDel polymorphisms with food intake and anthropometric data in children at the first stages of development.

The reward sensation after food intake may be different between individuals and variants in genes related to the dopaminergic system may indicate a different response in people exposed to the same environmental factors. This study investigated the association of TaqIA (rs1800497) and -141C InsDel (rs1799732) variants in DRD2/ANKK1 gene with food intake and adiposity parameters in a cohort of children. The sample consisted of 270 children followed until 7 to 8 years old. DNA was extracted from blood and poly...

Applying real-time quantitative PCR to diagnosis of freemartin in Holstein cattle by quantifying gene: a comparison experiment.

Freemartinism generally occurs in female offspring of dizygotic twins in a mixed-sex pregnancy. Most bovine heterosexual twin females are freemartins. However, about 10% of bovine heterosexual twin females are fertile. Farmers mostly cull bovine fertile heterosexual twin females due to the lack of a practical diagnostic approach. Culling of such animals results in economic and genetic-material losses both for dairy and beef industry.

Assesment of pregnancy outcomes among twin pregnancies with single fetal demise regarding chorionicity and fetal death time.

The objective of this study is to assess maternal and perinatal outcome of twin pregnancies with single fetal demise in terms of chorionicity and fetal death time.

Children eat more food when they prepare it themselves.

Encouraging children to participate in food preparation is recommended by pediatric guidelines and has been included in public health interventions. However, little is known about whether the act of preparing a food specifically increases children's intake of that food, nor is it known whether this effect might differ for healthy and familiar unhealthy foods. The present study examines whether 5- to 7-year-old children eat more of a food they prepared themselves compared to the same food prepared by someone...

Special Education Financing and ADHD Medications: A Bitter Pill to Swallow.

Accurate diagnosis of attention deficit/hyperactivity disorder (ADHD) in children is difficult because the major symptoms, inattentiveness and hyperactivity, can be exhibited by any child. This study finds evidence of systematic differences in diagnosis and treatment of ADHD due to third party financial incentives. In some states, due to the financing mechanism for special education, schools face a financial incentive to facilitate the identification of children with ADHD. Using variation in special educati...

Prenatal particulate matter affects new asthma via airway hyperresponsiveness in schoolchildren.

The most relevant time of PM exposure to affect airway hyperresponsiveness (AHR) and new development of asthma in school-aged children is unclear. The aims of this study are to investigate the most critical time of PM exposure to affect AHR and new diagnosis of asthma from AHR in school-aged children.

Possible increase of myopia prevalence among children in Sweden.

The purpose of this study was to determine the prevalence of myopia in a population of children in Sweden. Retrospective analysis of children in a region in Sweden referred to eye care from the national health controls of children. Anonymised patient data of prescription of glasses for myopia was used. During the study period 2008 to 2017, 297 children between 4-7 years was prescribed glasses because of myopia. The incidence for myopia increased from 0,13% to 0,36%. The prevalence of myopia for the same gro...

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