Neuroscience letters · 2017
Deletion variant rs35153737 in TOR1A is associated with isolated dystonia in a Southwestern Chinese Population.
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Li Jiang, Long Yuzhou, Huang Xiaoqin, Chen Yuan, Chen Weikang, Liu Shang, Chu Jiayou, Yang Zhaoqing, Sun Hao, Fang Kewei
Аннотация
BACKGROUND: TOR1A plays a very important role in early-onset isolated dystonia. Studying the association between the common variants of this gene and dystonia can help us understand the connection between TOR1A mutations and this disease.
METHODS: The TOR1A exon 5 was sequenced in 223 isolated dystonia patients and 210 age-adjusted controls. Patients and controls all came from Southwest China.
RESULTS: The following two common variants were found in the 3'-UTR of TOR1A: NM_000113.2:c.*414delG (rs35153737) and NM_000113.2:c.*824delG (rs3842225). The rs35153737 variant showed a statistically significant association with dystonia using the allele model (P=0.035) and the dominant genetic model (P=0.018); however, no association between rs3842225 and dystonia was found.
CONCLUSION: Our study suggests that there is an association between rs35153737 and dystonia in a southwestern Chinese population, and it may be caused by high linkage disequilibrium between this deletion and potential pathogenic variants in TOR1A.
METHODS: The TOR1A exon 5 was sequenced in 223 isolated dystonia patients and 210 age-adjusted controls. Patients and controls all came from Southwest China.
RESULTS: The following two common variants were found in the 3'-UTR of TOR1A: NM_000113.2:c.*414delG (rs35153737) and NM_000113.2:c.*824delG (rs3842225). The rs35153737 variant showed a statistically significant association with dystonia using the allele model (P=0.035) and the dominant genetic model (P=0.018); however, no association between rs3842225 and dystonia was found.
CONCLUSION: Our study suggests that there is an association between rs35153737 and dystonia in a southwestern Chinese population, and it may be caused by high linkage disequilibrium between this deletion and potential pathogenic variants in TOR1A.