منابع مشابه
Molecular diagnosis and genetic counseling for fragile X mental retardation.
The fragile X syndrome is the most frequent cause of inherited mental retardation. It is caused by a dynamic mutation: the progressive expansion of polymorphic (CGG)n trinucleotide repeats located in the promoter region of the FMRI gene at Xq27.3. The cloning of the FMRI gene and the elucidation of the molecular basis of the fragile X syndrome is of great importance for the diagnosis and unders...
متن کاملGenetic Causes of Mental Retardation in Bushehr Province
Objective: About 50% of severe to profound intellectual disabilities (ID) are caused by genetic factors. In this study we decided to investigate the genetic causes of ID in 69 Bushehrian families to provide information for genetic counseling, carrier detection, and prenatal diagnosis. Materials & Methods: In this study we excluded known chromosomal abnormalities. The majority of families had...
متن کاملThe Genetic of Mental Retardation
Mental retardation is a common problem with major implications for a nation’s health, education and community services. The causes of mental retardation have been found to have a definite etiological basis, which may be biochemical, chromosomal, Mendelian genetic disorders, or due to environmental effects such as toxins, infections, trauma or perinatal anoxia. The underlying causes remain unkno...
متن کاملmental retardation due to down syndrome and other causes in referrals to genetic counseling center in south of iran
introduction: mental retardation, is one of the most common causes for referral to genetic counseling centers, and is one of the greatest challenges in health care services in the world. down syndrome is the most common chromosomal abnormalities in humans. methods: this study performed in medical genetic counseling center of welfare organization in south of iran with high consanguineous marriag...
متن کاملGenetic studies of children with mental retardation
Genetic studies of children with mental retardation Saideh Rajaei Department of Medical and Clinical Genetics, Institute of Biomedicine The Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden, 2013 Mental retardation (MR) is characterised by significant limitations in intellectual function and adaptive behaviour. It is estimated that MR affects up to 3% of the population ...
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ژورنال
عنوان ژورنال: Indian Journal of Psychological Medicine
سال: 1998
ISSN: 0253-7176,0975-1564
DOI: 10.1177/0975156419980104