美国研究人员最近找到一条治疗“亨廷顿舞蹈症”的新线索。他们通过小鼠实验发现，一种胆汁酸能有效减轻这一疾病对脑神经细胞的损伤。明尼苏达大学基恩等人在新一期《美国科学院院刊》上介绍，在实验中，他们选择了一组携带亨廷顿舞蹈症致病基因，且呈现发病症状的病鼠和一组 American researchers recently found a new clue to treat “Huntington’s disease.” They found through mouse experiments, a bile acid can effectively reduce the damage to the brain cells of the disease. Keane, of the University of Minnesota and others in a new issue of the Proceedings of the National Academy of Sciences introduced in the experiment, they chose a group of pathogenic genes carrying Huntington’s disease, and the incidence of symptoms of disease in rats and a group