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母乳脂肪酸可能将与先天性免疫与适应性免疫调节相关联:可溶性CD14,前列腺素E2和脂肪酸的分析
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作者 Laitinen K. hoppu u. +1 位作者 Hmlinen M. 刘凯 《世界核心医学期刊文摘(儿科学分册)》 2006年第12期57-58,共2页
In addition to its role in sensing intraluminalmicrobial antigens,soluble (s)CD14 may regulate immune responses by its lesser known function as a lipid carrier with possible influences in the production of fatty acid-... In addition to its role in sensing intraluminalmicrobial antigens,soluble (s)CD14 may regulate immune responses by its lesser known function as a lipid carrier with possible influences in the production of fatty acid-derived eicosanoids. We investigated the interrelations of fatty acids,prostaglandin E2 (PGE2),and sCD14 and their role in infant atopic eczema during the firstyear of life. Serum and breast milk samples from mothers andserum samples from their infants were collected at infant’s age 3 mo and analyzed for sCD14 and PGE2 concentrations and for fatty acid compositions. The main correlation of sCD14 was with arachidonic acid (20:4n-6) (AA). Dihomo-γ-linolenicacid (20:3n-6) (DHGLA) and the ratio of n-6 to n-3 fatty acids correlated positively and docosahexaenoic acid (22:6n-3) (DHA) and sum of n-3 fatty acid negatively with PGE2 inmother’s serum and linoleic acid (LA) negatively with PGE2 inbreast milk. Soluble CD14 tended to be higher and LA,tota lpolyunsaturated fatty acid (PUFA),and sum of n-6 fatty acids were lower in breastmilk received by infants with atopic eczemacompared with those without. These results suggest that fattyacids contribute to the regulation of innate and adaptive immuneresponses and link intraluminal exposures,mother’s diet,andmicrobes. 展开更多
关键词 适应性免疫 CD14 前列腺素 免疫反应 二十二碳六烯酸 遗传过敏性湿疹 Γ-亚麻酸 脂类 血清样本
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