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Fragile X syndrome
1Biochemistry Department, Oxford University, Oxford, UK.
Current Opinion in Neurology
|April 1, 1997
Abstract:
The fragile X syndrome is characterized by mental handicap, facial dysmorphism and expression of a fragile site at Xq27.3. An expansion of a CGG repeat in the 5' end of the fragile X mental retardation 1 (FMR1) gene results in the absence of the encoded fragile X mental retardation protein, known to play an important role in RNA processing and probably the developmental maturation of brain neurons.