首页> 外文期刊>Infection and immunity >Oral immunization with a recombinant cysteine-rich section of the Entamoeba histolytica galactose-inhibitable lectin elicits an intestinal secretory immunoglobulin A response that has in vitro adherence inhibition activity.
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Oral immunization with a recombinant cysteine-rich section of the Entamoeba histolytica galactose-inhibitable lectin elicits an intestinal secretory immunoglobulin A response that has in vitro adherence inhibition activity.

机译:用溶组织Entamoeba组织半乳糖可抑制的凝集素的富含半胱氨酸的重组部分进行口服免疫可引起肠道分泌型免疫球蛋白A应答,该应答具有体外粘附抑制活性。

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摘要

The LC3-encoded 52-kDa recombinant protein includes amino acids 758 to 1134 of the 170-kDa subunit of the galactose-inhibitable lectin. Oral immunization of BALB/c mice with the LC3-encoded protein and cholera holotoxin induced an intestinal secretory immunoglobulin A (IgA) response (P < 0.01 compared with the control). There was a negative correlation (P = 0.001) between intestinal anti-LC3 IgA and serum IgA and IgG antibody responses. Intestinal secretions from immunized mice completely inhibited the galactose-specific adherence of axenic trophozoites ot Chinese hamster ovary cells (P < 0.01).
机译:LC3编码的52kDa重组蛋白包括可抑制半乳糖的凝集素的170kDa亚基的758-1134位氨基酸。用LC3编码的蛋白和霍乱全毒素对BALB / c小鼠进行口服免疫可引起肠道分泌性免疫球蛋白A(IgA)反应(与对照组相比,P <0.01)。肠道抗LC3 IgA与血清IgA和IgG抗体反应之间呈负相关(P = 0.001)。免疫小鼠的肠道分泌物完全抑制了中国仓鼠卵巢细胞的半乳糖营养子的半乳糖特异性粘附(P <0.01)。

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