1·Effective treatment options for individuals with chronic hepatitis B infection were limited until 1998 when lamivudine, the first nucleoside analogue drug, was introduced.
1998年首个核苷类似物药物拉米夫定推出之前，慢性乙肝病毒感染者可选的有效治疗途径一直都非常有限。
2·The purine and pyrimidine may be complexed with a sugar to produce a nucleoside.
嘌呤和嘧啶可以同一个糖复合，产生一个核苷。
3·Objective To study the effects E. coli purine nucleoside phosphorylase suicide gene on human gastric cancer MKN-45 cells as well as the bystander effect.
目的：探讨大肠杆菌嘌呤核苷磷酸化酶自杀基因对胃癌细胞MKN-45的抑制及杀伤作用，并证实旁观者效应。
4·Purpose:To observe the promoting effect of albumin polypeptide on absorption of nucleoside in intestinal andon cellular immune function in tested mice.
目的：观察白蛋白多肽促进核苷在肠道的吸收及对细胞免疫功能的增强作用。