Immunoglobulins in saliva of preterm and full-term infants. A longitudinal study from 0-18 months of age

被引：23
|
作者：
Wan, AKL
Seow, WK
Purdie, DM
Bird, PS
Walsh, LJ
Tudehope, DI
机构：
[1] Univ Queensland, Sch Dent, Brisbane, Qld 4000, Australia
[2] Queensland Inst Med Res, Populat & Clin Sci Div, Brisbane, Qld 4006, Australia
[3] Mater Mothers Hosp, New Life Ctr, Div Neonatol, Brisbane, Qld, Australia
来源：
ORAL MICROBIOLOGY AND IMMUNOLOGY | 2003年 / 18卷 / 02期
关键词：
oral immunoglobulins; preterm infants; IgA; IgG; saliva;
D O I：
10.1034/j.1399-302X.2003.00044.x
中图分类号：
R78 [口腔科学];
学科分类号：
1003 ;
摘要：
The aim of this longitudinal study was to determine salivary levels of total IgA, IgG and IgM in 84 preterm and 214 full-term infants, from birth to 18 months of age. Unstimulated whole saliva was collected from each infant at birth, and subsequently at 3-monthly intervals. Immunoglobulin levels were estimated using an ELISA technique. At birth, IgA was detected in 147/214 (69%) full-term infants but only 47/84 (56%) preterm infants (P<0.01). In the case of IgG, 61% of full-term and 56% of preterm infants showed detectable levels, whereas IgM was found in 71% and 73%, respectively. Levels of IgA and IgG rose from birth to 18 months, whereas IgM levels did not change significantly. Increases in salivary levels of IgA were associated with introduction of solid foods (P<0.001), as well as tooth eruption (P<0.001). Our results indicate that the majority of full-term and preterm infants are orally immunocompetent at birth.
引用
收藏
页码：72 / 78
页数：7
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