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首页> 外文期刊>Vaccine >The adjuvant effect of synthetic oligodeoxynucleotide containing CpG motif converts the anti-Haemophilus influenzae type b glycoconjugates into efficient anti-polysaccharide and anti-carrier polyvalent vaccines
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The adjuvant effect of synthetic oligodeoxynucleotide containing CpG motif converts the anti-Haemophilus influenzae type b glycoconjugates into efficient anti-polysaccharide and anti-carrier polyvalent vaccines

机译:含有CpG基序的合成寡聚脱氧核苷酸的佐剂作用将抗流感嗜血杆菌b型糖缀合物转化为有效的抗多糖和抗载体多价疫苗

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摘要

Synthetic oligodeoxynucleotides containing CpG immunostimulatory sequences (ISS) have been shown to act as potent adjuvants of type 1 immune responses when co-administered with protein or peptide vaccines. We have recently shown that ISS can increase the anti-polysaccharide (CHO) and anti-tetanus toroid (TT) or anti-diphtheria (CRM) toroid antibody levels if used as adjuvant of anti-Haemophilus influenzae type b (Hib) CHO vaccine conjugated with TT or CRM. The analysis of anti-TT and anti-CRM IgG subclasses showed a significant increase in IgG2a. IgG2b and/or IgG3 in the presence of ISS. Anti-TT and anti-CRM antibodies were shown to neutralize the activity of both the tetanus and diphtheria toxin in vivo or in vitro tests respectively. These data show that ISS have the potential to increase host antibody response against both the CHO and the protein component of a conjugated vaccine, and encourage the investigation to identify strategies of vaccination with schedules aimed at the valuation of protein carriers as protective immunogens.
机译:与蛋白质或肽疫苗同时使用时,已证明含有CpG免疫刺激序列(ISS)的合成寡聚脱氧核苷酸可作为有效的1型免疫应答佐剂。我们最近表明,ISS可用作结合了抗b型流感嗜血杆菌(Hib)CHO疫苗的佐剂,可以提高抗多糖(CHO)和抗破伤风环形(TT)或抗白喉(CRM)环形抗体的水平TT或CRM。抗TT和抗CRM IgG亚类的分析显示IgG2a显着增加。 ISS存在下的IgG2b和/或IgG3。已显示抗TT和抗CRM抗体分别在体内或体外试验中和破伤风和白喉毒素的活性。这些数据表明,ISS具有增加针对CHO和结合疫苗中蛋白质成分的宿主抗体反应的潜力,并鼓励开展调查,以计划针对蛋白质载体作为保护性免疫原的评估方案确定疫苗接种策略。

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