Progress in Genetic Studies of Tourette’s Syndrome
AbstractTourette’s Syndrome (TS) is a complex disorder characterized by repetitive, sudden, and involuntary movements or vocalizations, called tics. Tics usually appear in childhood, and their severity varies over time. In addition to frequent tics, people with TS are at risk for associated problems including attention deficit hyperactivity disorder (ADHD), obsessive-compulsive disorder (OCD), anxiety, depression, and problems with sleep. TS occurs in most populations and ethnic groups worldwide, and it is more common in males than in females. Previous family and twin studies have shown that the majority of cases of TS are inherited. TS was previously thought to have an autosomal dominant pattern of inheritance. However, several decades of research have shown that this is unlikely the case. Instead TS most likely results from a variety of genetic and environmental factors, not changes in a single gene. In the past decade, there has been a rapid development of innovative genetic technologies and methodologies, as well as significant progresses in genetic studies of psychiatric disorders. In this review, we will briefly summarize previous genetic epidemiological studies of TS and related disorders. We will also review previous genetic studies based on genome-wide linkage analyses and candidate gene association studies to comment on problems of previous methodological and strategic issues. Our main purpose for this review will be to summarize the new genetic discoveries of TS based on novel genetic methods and strategies, such as genome-wide association studies (GWASs), whole exome sequencing (WES) and whole genome sequencing (WGS). We will also compare the new genetic discoveries of TS with other major psychiatric disorders in order to understand the current status of TS genetics and its relationship with other psychiatric disorders. View Full-Text
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Qi, Y.; Zheng, Y.; Li, Z.; Xiong, L. Progress in Genetic Studies of Tourette’s Syndrome. Brain Sci. 2017, 7, 134.
Qi Y, Zheng Y, Li Z, Xiong L. Progress in Genetic Studies of Tourette’s Syndrome. Brain Sciences. 2017; 7(10):134.Chicago/Turabian Style
Qi, Yanjie; Zheng, Yi; Li, Zhanjiang; Xiong, Lan. 2017. "Progress in Genetic Studies of Tourette’s Syndrome." Brain Sci. 7, no. 10: 134.
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