De novo mutation in CACNA1A caused acetazolamide-responsive episodic ataxia

被引：0
|
作者：
Yue, Q
Jen, JC
Thwe, MM
Nelson, SF
Baloh, RW
机构：
[1] Univ Calif Los Angeles, Dept Neurol, Sch Med, Los Angeles, CA 90095 USA
[2] Univ Calif Los Angeles, Dept Pediat Hematol & Oncol, Sch Med, Los Angeles, CA 90095 USA
[3] Univ Calif Los Angeles, Dept Head & Neck Surg, Sch Med, Los Angeles, CA 90095 USA
来源：
AMERICAN JOURNAL OF MEDICAL GENETICS | 1998年 / 77卷 / 04期
关键词：
calcium channel gene; episodic ataxia; acetazolamide; de novo mutation;
D O I：
10.1002/(SICI)1096-8628(19980526)77:4<298::AID-AJMG9>3.0.CO;2-J
中图分类号：
Q3 [遗传学];
学科分类号：
071007 ; 090102 ;
摘要：
With the recent report of mutations in the calcium channel gene CACNA1A in two families with episodic ataxia type 2, we investigated a patient with nonfamilial episodic vertigo and ataxia responsive to acetazolamide for similar mutations. Single-strand conformation polymorphism (SSCP) analysis of exon 23 identified an extra band in the patient that was not present in other relatives or in normal controls. Exon 23 of the patient showed a spontaneous C to T substitution at position 4410 resulting in an early stop codon. Patients with nonfamilial episodic ataxia may respond to acetazolamide and may have mutations in CACNA1A. (C) 1998 Wiley-Liss, Inc.
引用
收藏
页码：298 / 301
页数：4
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