基因疗法正方兴未艾。 1 999年 9月 ,一名 1 8岁的先天性缺酶的病人 ,在美国宾夕法尼亚研究院接受基因治疗后病故。该病人是接受基因疗法而致死的第一人。　　事发后 ,ＦＤＡ进行了调查 ,并停止了该院所进行的一切人类基因治疗试验。　　在过去十年中 ,美国进行了大约 30 0例基 Gene therapy is just in the ascendant. In September 999, a 18-year-old congenital enzyme-deficient patient died after receiving a gene therapy at the Pennsylvania Institute of Technology. The patient was the first person to die of gene therapy. After the incident, the FDA conducted an investigation and stopped all human gene therapy trials conducted by the hospital. In the past decade, the United States has conducted about 30 cases of