Ty-Jour T1 - 17Q21基因型在预防早期儿童哮喘和维生素D JF的复发性喘息的作用 - 欧洲呼吸杂志Jo - Eur Respir J Do - 10.1183 / 13993003.00761-2019 VL - 54是 - 4 SP - 1900761Au - Kelly,Rachel S. Au - Chawes,Bo L. Au - Guo,Feng Au - Zhang,Li Au - Blighe,Kevin Au - Litonjua,Augusto A. Au - Raby,Benjamin A. Au - Levy,Bruce D.Au - rago,Daniela Au - Stokholm,Jakob Au - Bønnelykke,克劳斯Au - Bisgaard,Hans Au - Zhou,Xiaobo Au - Lasky-Su,Jessica A. Au - Weiss,Scott T. Y1 - 2019/10/01 UR -//www.qdcxjkg.com/content/54/4/1900761.abstract n2 - 证据表明维生素D有预防哮喘潜力;但是,并非所有儿童都受益于这种干预。本研究旨在研究功能性17Q21单核苷酸多态性RS12936231的变异是否影响维生素D对哮喘的预防潜力。对产前维生素D的两种随机对照试验的组合二次分析,用于预防后代哮喘(维生素D产抗进行哮喘减少试验(VDAART)和CopEnhagen对儿童2010年哮喘的前瞻性研究(COPSAC2010)),通过基因型分层并将代谢物数据整合到探索潜在机制。维生素D对哮喘/喘息的保护作用是在儿童中显而易见的低风险RS12936231 GG基因型(危害比(HR)0.49,95%CI 0.26-0.94,P = 0.032)但不是高风险CC基因型(HR 1.08,95%CI 0.69-1.69,P = 0.751)。在VDAART中,在GG基因型中,维生素D补充剂与鞘磷脂的血浆水平增加有关,包括鞘氨醇-1-磷酸(β022,95%CI 0.044,P = 0.038),但随着CC基因型并不明显众所周知,与支气管上皮细胞中的ormDl3表达增加相关。鞘脂水平与哮喘/喘息的风险降低有关,并且存在鞘脂脂肪酸水平,维生素D和基因型之间的相互作用(p型相互作用vitamind *基因型*鞘氨酸-1-磷酸= 0.035)。 In a cellular model, there was a significant difference in the induction of sphingosine-1-phosphate by vitamin D between a control human bronchial epithelial cell line and a cell line overexpressing ORMDL3 (p=0.002).Results suggest prenatal vitamin D supplementation may reduce the risk of early childhood asthma/wheeze via alterations of sphingolipid metabolism dependent on the 17q21 genotype.Genetic variation in the 17q21 locus and vitamin D play a role in asthma risk and, as demonstrated for the first time in a human population, sphingolipid biosynthesis may partially underlie these relationships http://bit.ly/2ZbIpsp ER -