期刊
EPILEPSY RESEARCH
卷 91, 期 2-3, 页码 253-259出版社
ELSEVIER
DOI: 10.1016/j.eplepsyres.2010.07.020
关键词
Temporal lobe epilepsy; Apolipoprotein E; Polymorphism; Association; Han Chinese
Apolipoprotein E (ApoE) has been implicated as one of the susceptibility genes for temporal lobe epilepsy (TLE). Previous studies indicate that ApoE epsilon 4 is associated with several disease-related traits including the increased risk of late posttraumatic seizures, earlier onset of TLE, refractory complex partial seizures, and postictal confusion. Contradictory data were also reported regarding the association between ApoE polymorphisms and TLE. The present study was designed to investigate whether ApoE epsilon 4 is a risk factor for TLE and the above clinical variables, as well as to determine whether -491A/T polymorphism may independently alter the risk for TLE in a Chinese Han population. The ApoE and -491A/T polymorphisms were genotyped in 558 controls and 735 patients including 560 TLE patients using polymerase chain reaction-restriction fragment length polymorphism. A significant association was detected between prior trauma and the ApoE epsilon 4 allele in ILL patients. However, no significant differences were observed in the genotype and haplotype distributions and allele frequencies of these two polymorphisms between cases and controls. Furthermore, there were no significant associations between these two polymorphisms and the other clinical variables examined. The study illustrates that the ApoE epsilon 4 allele may be involved in the development of TLE in those patients with prior trauma in the Chinese Han population. (C) 2010 Elsevier B.V. All rights reserved.
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