Visualizing carrier status: Fragile X syndrome and genetic diagnosis since the 1940s
نویسندگان
چکیده
منابع مشابه
Guidelines for the diagnosis of fragile X syndrome. National Fragile X Foundation.
Direct DNA analysis of the fragile X mutation has become available with the isolation of DNA probes that detect the unstable DNA sequence containing the CGG repeat. We present the various alternatives of combinations of probes and enzymes that can be used for the diagnosis of fragile X syndrome. An overview is given of all the different available probes. A different protocol is presented for po...
متن کاملThe fragile X syndrome.
We have begun to appreciate that the extent of this disorder is much wider than merely mental retardation. It is also a common cause of learning and emotional problems in mildly affected female carriers with normal IQs. These children present an enormous challenge to all child-care providers, be they in medicine, education, or in various therapy disciplines. Early identification is essential, a...
متن کاملMolecular 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...
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ژورنال
عنوان ژورنال: Endeavour
سال: 2012
ISSN: 0160-9327
DOI: 10.1016/j.endeavour.2011.12.002