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- J Gelernter, A J Pakstis, D L Pauls, R Kurlan, S T Gancher, O Civelli, D Grandy, and K K Kidd.
- Department of Psychiatry, Yale University School of Medicine, New Haven, Conn 06510.
- Arch Gen Psychiat. 1990 Nov 1; 47 (11): 1073-7.
AbstractGilles de la Tourette syndrome has an important genetic component; the pathophysiology of this disorder may involve the dopamine system. We tested a D2-dopamine receptor (locus DRD2, recognized by probe hD2G1) for genetic linkage with Gilles de la Tourette syndrome. Using a genetic linkage map of the region of DRD2 on the long arm of chromosome 11 and restriction fragment length polymorphism data from a total of four markers (DRD2 itself, D11S84, D11S29, and PBGD), we were able to exclude linkage of this candidate gene and Gilles de la Tourette syndrome in two extended kindreds segregating for Gilles de la Tourette syndrome. This rules out causation of Gilles de la Tourette syndrome by mutation in DRD2 in the kindreds studied under the genetic assumptions we employed; use of the map and multipoint linkage analyses also allowed us to exclude a Gilles de la Tourette syndrome susceptibility locus from a larger genetic region.
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