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Abnormal folate metabolism and mutation in the methylenetetrahydrofolate reductase gene may be maternal risk factors for Down syndrome
folate homocysteine mutation
2016/6/1
Down syndrome, or trisomy 21, is a complex
genetic disease resulting from the presence of 3 copies of chromosome
21. The origin of the extra chromosome is maternal in
95% of cases and is due to the...
Folate and homocysteine metabolism and gene polymorphisms in the etiology of Down syndrome
homocysteine metabolism gene polymorphisms
2016/6/1
One of the major advances in preventing malformations in the
past few decades had its origin in the observation by Smithells et
al (1) that multivitamin preparations are protective against neural
t...
The psychosocial outcomes of adult siblings of adults with autism and Down syndrome
Outcomes Adult Siblings Autism Down Syndrome Caregiver Burden Health-Related Quality of Life Reported Benefits
2015/1/9
Little is known regarding the psychosocial outcomes of adult siblings of adults with autism. Accordingly, the current study sought to: (1) illuminate factors that predict health-related quality of lif...
Morphological Integration of Soft-Tissue Facial Morphology in Down Syndrome and Siblings
trisomy 21 craniofacial morphology
2014/11/6
Down syndrome (DS), resulting from trisomy of chromosome 21, is the most common live-born human aneuploidy. The phenotypic expression of trisomy 21 produces variable, though characteristic, facial mor...
On the Antiquity of Trisomy 21: Moving Towards a Quantitative Diagnosis of Down Syndrome in Historic Material Culture
Down Syndrome fossils diagnosis
2014/11/6
Down syndrome was first medically described as a separate condition from other forms of cognitive impairment in 1866. Because it took so long for Down syndrome to be recognized as a clinical entity de...
Dental age in patients with Down syndrome
Down syndrome Age determination by teeth Tooth calcification Radiography panoramic
2009/10/19
The aim of this research was to evaluate dental age in 102 patients with Down Syndrome, using panoramic radiographs. A software program developed by the Discipline of Radiology, School of Dentistry of...
Correlation Between Down Syndrome and the Level of Placental Alkaline Phosphatase in Amniotic Fluid
PLAP(placental alkaline phosphatase) Down syndrome amniotic fluid
2009/6/22
The aim of this study was to investigate the correlation between Down syndrome and the level of placental alkaline phosphatase (PLAP) in amniotic fluid. A total of 279 amniotic fluid samples taken bet...
Prevalence of Tooth Transposition, Third Molar Agenesis, and Maxillary Canine Impaction in Individuals with Down Syndrome
Down syndrome Third molar agenesis Canine impaction Transposition
2008/12/26
Alterations in the size, morphology and number of teeth are among the many inherited disorders that have been reported in individuals with Down syndrome. By contrast, third molar agenesis and toot...
Orthodontic and restorative treatments of an impacted canine in a child with Down syndrome: A case report
Behavior management techniques Down syndrome Orthodontic treatment
2008/11/12
A 10 year-3 month-old boy with root resorption of the right central incisor associated with impaction of the right canine in the maxilla was referred to our dental clinic by a private general dental p...
Anterior Open Bite and Speech Disorders in Children with Down Syndrome
Down syndrome Speech Language Malocclusion Anterior open bite Disability Disabled populations
2008/10/29
Objective: To estimate the prevalence and to determine if there is an association between anterior open bite and the presence of speech disorders in a group of Mexican children with Down syndrome (DS)...