We designed six phosphorothioate CpG ODNs according to the law of CpG ODN design , one CpG ODN that its immunostimulatory activity against human cord blood lymphocytes is stronger than others was screened by MTT.

• 按CpG ODN的设计原则设计6种非硫代化CpG ODN，用MTT法筛选对人类免疫细胞刺激作用较强的CpG ODN；