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Relationship between transforming growth factor-β1 and interleukin-10 in breast milk and allergic diseases in infants / 中华围产医学杂志
Chinese Journal of Perinatal Medicine ; (12): 364-370, 2010.
Article in Chinese | WPRIM | ID: wpr-383236
ABSTRACT
Objective To verify the relationship between transforming growth factor-β1(TGF-β1) and interleukin-10 (IL-10) in breast milk and allergic diseases development in infants. Methods Totally 191 mothers (99 allergics and 92 controls) and their full-term newborns participated in this prospective study on development of children atopy. Maternal blood, cord blood, colostrum and mature milk were assayed for TGF-β1 and IL-10 by enzyme-linked immunosorbent assay. Infants underwent pediatrician evaluation for allergic diseases at six months old. Concentrations of TGF-β1 and IL-10 from allergic and non-allergic mothers and prevalence of allergic diseases of infants were compared. Results The level of IgE in allergic mothers was 30 750 IU/L(6600-410000 IU/L),lower than that in non-allergic mothers[50000 IU/L(7100-610000 IU/L)](Z=-3. 444,P=0. 001).No difference in the concentration of TGF-β1, IL-10 and IgE in mature milk was observed between allergic and non-allergic mothers. TGF-β1, IL-10 and IgE levels in colostrum of allergic mothers were 2300 pg/ml(620-7000 pg/ml), 12. 8 pg/ml(7.5-560.0 pg/ml)and 7000 IU/L(5100-56000 IU/L),significantly higher than those in non-allergic mothers[1830 pg/ml(1240-9400 pg/ml), 11. 1 pg/ml (7. 2-630.0 pg/ml)and 6700 IU/L(5200-35000 IU/L)] (Z=-2. 215, -2. 730 and -2. 706,P<0.05).In both allergic and non-allergic mothers, TGF-β1 and IL-10 levels in cord blood were higher than those in maternal blood, while IgE was lower. TGF-βl and IL-10 and IgE levels in colostrum were higher than mature milk(P<0.05). At six months old, the prevalence of allergic diseases of infants from allergic mothers(59. 6%, 59/99) was significantly higher than those from non-allergic mothers (21. 7%, 20/92)(x2= 28. 177, P= 0. 000). The prevalence of allergic diseases of infants who completed two weeks' colostrum-fed after birth (44.5 %, 73/164) was significantly higher than those who did not (22.2%,6/27)(x2 =4. 749,P-=0. 029). Conclusions High concentration of TGF-βl and IL-10 in colostrum does not show any protective effect against allergic diseases in infants. The prevalence of allergic diseases of colostrum-fed infants is significantly higher than non colostrum-fed infants, showing that colostrum-fed might play a role in allergic diseases development.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Observational study Language: Chinese Journal: Chinese Journal of Perinatal Medicine Year: 2010 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Observational study Language: Chinese Journal: Chinese Journal of Perinatal Medicine Year: 2010 Type: Article