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反复呼吸道感染学龄前儿童的免疫球蛋白水平及功能

Immunoglobulin levels and function in pre-school children with recurrent respiratory infections.

作者信息

Isaacs D, Webster A D, Valman H B

出版信息

Clin Exp Immunol. 1984 Nov;58(2):335-40.

Abstract

Thirty pre-school children with recurrent respiratory infections had a higher age adjusted mean serum IgG level than their siblings or a reference group. One index child had persistently low serum IgA, but mean serum IgA and IgM levels for the index children were normal. All of the 23 index children and 17 siblings studied had a four-fold or greater rise in virus neutralizing antibody titre. There was no correlation between serum immunoglobulin levels and frequency of infections. There was, however, a significant inverse correlation between salivary IgA levels when healthy and the number of infections experienced by each child in the study year. Salivary IgA levels rose considerably during acute infections.

摘要

30名反复发生呼吸道感染的学龄前儿童经年龄校正后的平均血清IgG水平高于其兄弟姐妹或参照组。一名指标儿童的血清IgA持续偏低,但指标儿童的血清IgA和IgM平均水平正常。所研究的23名指标儿童和17名兄弟姐妹的病毒中和抗体效价均有四倍或更高的升高。血清免疫球蛋白水平与感染频率之间无相关性。然而,健康时的唾液IgA水平与研究年度内每个儿童经历的感染次数之间存在显著的负相关。在急性感染期间,唾液IgA水平大幅上升。

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