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具有线性甘露聚糖的脂多糖(LPS)在LPS抗性C3H/HeJ小鼠中的佐剂作用。

Adjuvant actions of linear mannan-possessing lipopolysaccharide (LPS) in LPS-resistant C3H/HeJ mice.

作者信息

Ohta M, Kido N, Nakashima I, Kato N

出版信息

Immunology. 1985 Nov;56(3):571-3.

Abstract

Immunopotentiation has been demonstrated when Klebsiella O3 lipopolysaccharide (KO3 LPS), which possesses a linear mannan as the O-specific side chain, was injected subcutaneously into endotoxin resistant C3H/HeJ mice together with soluble protein antigens. The LPS exhibited significantly positive adjuvant effects on antibody responses in vivo after secondary antigen challenge and on delayed-type hypersensitivity (DTH) reactions against protein antigens. However, KO3 LPS was not a polyclonal B cell activator (PBA) in C3H/HeJ mice nor mitogenic in cultures of spleen cells of C3H/HeJ. Thus, the activity of the LPS in C3H/HeJ mice is confined to the potentiation of T-dependent immune responses. The contribution of the mannan O side chain to the adjuvant action of KO3 LPS was suggested.

摘要

当具有线性甘露聚糖作为O特异性侧链的肺炎克雷伯菌O3脂多糖(KO3 LPS)与可溶性蛋白抗原一起皮下注射到对内毒素有抗性的C3H/HeJ小鼠体内时,已证明有免疫增强作用。在二次抗原攻击后,LPS对体内抗体反应以及对蛋白质抗原的迟发型超敏反应(DTH)表现出显著的阳性佐剂效应。然而,KO3 LPS在C3H/HeJ小鼠中不是多克隆B细胞激活剂(PBA),在C3H/HeJ小鼠的脾细胞培养物中也没有促有丝分裂作用。因此,LPS在C3H/HeJ小鼠中的活性仅限于增强T细胞依赖性免疫反应。提示了甘露聚糖O侧链对KO3 LPS佐剂作用的贡献。

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