Antibody response to Haemophilus influenzae outer membrane protein D, P6, and OMP26 after nasopharyngeal colonization and acute otitis media in children.

Antibody response to Haemophilus influenzae outer membrane protein D, P6, and OMP26 after nasopharyngeal colonization and acute otitis media in children.
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DOI:
10.1016/j.vaccine.2010.08.063
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发表时间:
2010-10-18
期刊:
影响因子:
5.5
通讯作者:
Almudevar, Anthony
Almudevar, Anthony
中科院分区:
医学3区
文献类型:
--
作者:
Pichichero, Michael E.;Kaur, Ravinder;Casey, Janet R.;Sabirov, Albert;Khan, M. Nadeem;Almudevar, Anthony

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对 168 名 6-30 个月大的儿童在 NP 定植和 AOM 期间针对 3 种不可分型流感嗜血杆菌 (NTHi) 外膜蛋白(D、P6 和 OMP26)的天然抗体的开发进行了前瞻性研究。针对蛋白 D、P6 和 OMP26 的 IgG 抗体随着年龄的增长而增加 (p<0.001)。 3 种蛋白对 NP 定植的血清 IgG 反应不同:蛋白 D 反应发生在比 P6 晚的年龄,而 OMP26 反应最小。对于所有 3 种蛋白,AOM 感染恢复期的血清抗体水平均低于 NP 定植后的水平。蛋白质 D 和 P6 抗体具有杀菌作用,但 OMP26 抗体没有杀菌作用。
Development of natural antibodies to 3 nontypeable Haemophilus influenzae (NTHi) outer membrane proteins (D, P6 and OMP26) was prospectively studied in 168 children 6–30 months of age during NP colonization and AOM. IgG antibody to protein D, P6 and OMP26 increased with age (p<0.001). Serum IgG responses to NP colonization were different for the 3 proteins: protein D responses occurred at a later age than P6, and OMP26 responses were minimal. For all 3 proteins serum antibody levels in the convalescent phase of AOM infection were not as high as after NP colonization. Antibodies to protein D and P6 but not OMP26 were bactericidal.
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