Results 21 to 30 of about 361,014 (259)

Increased DNA methylation variability in rheumatoid arthritis-discordant monozygotic twins

open access: yesGenome Medicine, 2018
Rheumatoid arthritis is a common autoimmune disorder influenced by both genetic and environmental factors. Epigenome-wide association studies can identify environmentally mediated epigenetic changes such as altered DNA methylation, which may also be ...
A. Webster   +10 more
semanticscholar   +1 more source

Twinning rate trend in a population sample from the city of São Paulo, Brazil

open access: yesGenetics and Molecular Biology, 2003
A retrospective study was carried out on a sample consisting of 89,491 deliveries occurred from 1979 through 1998, in the city of São Paulo, SP, Brazil. These deliveries included 935 twin and 26 triplet births. The mean incidence per 1,000 deliveries was
Gloria M.D.D. Colletto
doaj   +1 more source

Neuroanatomic, epigenetic, and genetic differences in monozygotic twins discordant for Attention Deficit Hyperactivity Disorder

open access: yesMolecular Psychiatry, 2017
The study of monozygotic twins discordant for attention deficit hyperactivity disorder can elucidate mechanisms that contribute to the disorder, which affects ~7% of children.
Yun-Ching Chen   +7 more
semanticscholar   +1 more source

Isolated imperforate anus in dizygotic twins

open access: yesJournal of Pediatric Surgery Case Reports, 2023
The authors report an isolated imperforate anus case in a dizygotic twin, which is the first reported case in the literature, the other reported cases were in monozygotic twins.
Dania Alameh   +4 more
doaj   +1 more source

The contribution of efficient production of monozygotic twins to beef cattle breeding

open access: yesJournal of reproduction and development, 2017
Production of sires with high breeding potential is indispensable for prompt and reliable breeding using their semen in the cattle industry. Currently, in Japan, we aim to further the production of Japanese black sires via a new breeding system that uses
Y. Hashiyada
semanticscholar   +1 more source

Psychiatric outcomes of bullying victimization: a study of discordant monozygotic twins

open access: yesPsychological Medicine, 2016
Background Bullying victimization in childhood is associated with a broad array of serious mental health disturbances, including anxiety, depression, and suicidal ideation and behavior.
J. Silberg   +5 more
semanticscholar   +1 more source

The importance of separation-individuation process in the treatment course of a monozygotic twin pair concordant for anorexia nervosa: a case report

open access: yesPsychiatry and Behavioral Sciences, 2017
Anorexia nervosa is a serious mental illness with marked morbidity and mortality. Twin studies on anorexia nervosa concluded that there was a higher concordance rate in monozygotic twins (56%) than in dizygotic twins (7%).
Mehmet Hamdi Orum   +3 more
doaj   +1 more source

Speech characteristics of monozygotic twins and a same-sex sibling: an acoustic case study of coarticulation patterns in read speech [PDF]

open access: yes, 2003
This case study reports on an acoustic investigation of the motor speech characteristics of a set of young adult male monozygotic (MZ) twins and compares them to those of an age- and sex-matched sibling who participated in the study 2 years later to ...
Rixon, E., Whiteside, S.P.
core   +1 more source

Twins and endocrinology

open access: yesIndian Journal of Endocrinology and Metabolism, 2014
Twins are two independent babies delivered during the same pregnancy and are divided as monozygotic or dizygotic based on their origin. Dizygotic twins are similar to two siblings and have different genetic information.
K. V. S. Hari Kumar, K D Modi
doaj   +1 more source

Monochorionic diamniotic twins of discordant external genitalia with 45,X/46,XY mosaicism

open access: yesMolecular Genetics & Genomic Medicine, 2020
Background Monozygotic twins with 45,X/46,XY mosaicism, discordant for phenotypic sex, are extremely rare. Methods This report describes the clinical findings of a rare case of 45,X/46,XY mosaicism in monozygotic twins with different external genitalia ...
Ken Takahashi   +8 more
doaj   +1 more source

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