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2.
Experimental & Molecular Medicine ; : 271-275, 2008.
Artigo em Inglês | WPRIM | ID: wpr-205430

RESUMO

Recently it was shown that single nucleotide polymorphisms (SNPs) can explain individual variation because of the small changes of the gene expression level and that the 50% decreased expression of an allele might even lead to predisposition to cancer. In this study, we found that a decreased expression of an allele might cause predisposition to genetic disease. Dopa responsive dystonia (DRD) is a dominant disease caused by mutations in GCH1 gene. The sequence analysis of the GCH1 in a patient with typical DRD symptoms revealed two novel missense mutations instead of a single dominant mutation. Family members with either of the mutations did not have any symptoms of DRD. The expression level of a R198W mutant allele decreased to about 50%, suggesting that modestly decreased expression caused by an SNP should lead to predisposition of a genetic disease in susceptible individuals.


Assuntos
Criança , Humanos , Masculino , Pé Torto Equinovaro/genética , Dopamina/deficiência , Distúrbios Distônicos/tratamento farmacológico , GTP Cicloidrolase/genética , Genes Recessivos , Predisposição Genética para Doença , Levodopa/administração & dosagem , Mutação de Sentido Incorreto , Linhagem , Polimorfismo Genético
3.
KMJ-Kuwait Medical Journal. 1996; 28 (1): 53-56
em Inglês | IMEMR | ID: emr-41680

RESUMO

We report on 3 Arab sisters, born to phenotypically normal, consanguineous parents with distal arthrogryposis cleft palate, and short stature. We propose that this constellation represents a distinct form of the Gordon syndrome with autosomal recessive mode of inheritance


Assuntos
Fissura Palatina/genética , Pé Torto Equinovaro/genética , Síndrome , Árabes
4.
Benha Medical Journal. 1993; 10 (2): 121-127
em Inglês | IMEMR | ID: emr-27349

RESUMO

This study was carried out on 73 patients with congenital talipes equinovarus attending the Orthopaedic and Paediatric Departments, Mansoura University Hospital. Careful history, clinical and radiological examination and chromosomal study was carried out for every patient in order to detect the aetiology and the genetic pattern of club foot. We concluded that idiopathic club foot is primarily caused by multifactorial inheritance system modified by intrauterine environmental factors and is affected by the genetic pattern


Assuntos
Humanos , Masculino , Feminino , Pé Torto Equinovaro/epidemiologia , Consanguinidade , Pé Torto Equinovaro/genética , Análise Citogenética , Aberrações Cromossômicas
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