一种新发现基因的ＤＮＡ序列中存在一种单一改变 ,其可能是家族性英国痴呆的原因 ,该病以脑内淀粉样沉积为特征 ,是一种少见的遗传性痴呆 ,并且被认为与老年性痴呆 (Ａｌｚｈｅｉｍｅｒ′ｄｉｓｅａｓｅ)关系密切。来自纽约大学医学院及伦敦的国立医院神经科、神经外科、神经病 A single change in the DNA sequence of a newly discovered gene, which may be responsible for familial British dementia, is characterized by amyloid deposition in the brain as a rare hereditary dementia and is thought to be associated with aging Alzheimer’s disease is closely related. From New York University School of Medicine and London’s National Hospital neurology, neurosurgery, neuropathy