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J Psychosom Res. 2006 Sep;61(3):365-8.

A patient with both Gilles de la Tourette's syndrome and chromosome 22q11 deletion syndrome: clue to the genetics of Gilles de la Tourette's syndrome?

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St. Georges' Hospital and Medical School, UK.


This is the first published case description of the association of Gilles de la Tourette's syndrome (GTS) and chromosome 22q11.2 deletion syndrome (22q11DS; previously referred to as CATCH-22 syndrome). The co-occurrence of GTS, 22q11DS, and their behavioral/neuropsychiatric abnormalities may be due to the common endophenotypic mechanisms shared by these disorders, rather than due to specificity for GTS. Research into this genomic region may lead to advancement in neurobehavioral/neuropsychiatric genetics, which will help us in further explicating a broader perspective of gene-brain-behavior interrelationships and of the genetic underpinnings of various developmental psychopathologies and behavioral/neuropsychiatric disorders that are common to both GTS and 22q11DS. Our report should warrant further genetic investigations of the chromosome 22q11.2 deletion site using alternative strategies to the quantitative trait loci endophenotype-based approach, which would be useful for establishing the biological and molecular underpinnings of obsessive-compulsive disorder, attention-deficit/hyperactivity disorder, and GTS.

[Indexed for MEDLINE]

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