He is a veteran of the last revolution in medical technology, gene therapy, which, after some hyped expectations in the 1990s, fell into disfavor after some unsuccessful trials.

• 他是基因治疗这项最新医学技术的老手，经过了1990年代的兴奋期和之后几次失败的实验后，基因治疗技术已经失宠了。