以在美国贝勒医学院工作的中国旅美学者施正政博士为主的一个研究小组首次在分子水平上查明了5-羟脯氨酸尿症,或称谷胱甘酞合成酶缺损症的发病机理,为此病的诊断提供了有效的方法。该研究成果已发表在1996年11月出版的美国《自然》杂志遗传学分册。 A team led by Dr. Shi Zhengzheng, a Chinese traveling beauty researcher who worked at Baylor College of Medicine in the United States, first identified 5-hydroxyprolineuria at the molecular level, or the pathogenesis of glutathione synthetase deficiency , For the diagnosis of the disease provides an effective method. The research results have been published in the November 1996 issue of the United States, “Nature” magazine genetics section.