亨廷顿病（Huntington's disease，HD）是一种常染色体显性遗传性神经系统变性疾病，典型症状包括舞蹈样不自主运动、认知障碍及精神行为异常三联征。 亨廷顿病是一种由位于4号染色体上的Huntingtin（HTT）基因1号外显子的CAG重复序列异常扩增所导致的疾病 [1] 。

Huntington's is one of the most brutal and devastating of all diseases. It's caused by a faulty gene which progressively destroys brain cells, which then affects all parts of the body. Symptoms tend ...