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Adv Clin Exp Med:模式识别受体的遗传多样性与过敏性疾病相关

2019-08-26 AlexYang MedSci原创

有证据显著编码模式识别受体(先天性免疫组分)基因的变异可能与特应性疾病相关。然而,结果仍旧是不确定的。最近,有研究人员确定了个体相关性和CD14(簇分化14)、TLR4 (toll样受体4)和TLR2 (toll样受体2)多态性互作对过敏性疾病可能的影响。研究包括了115名年龄在6到17岁的儿童。研究发现,3个多态性(CD14 C-159T、TLR4+896A/G和TLR2/-16934A/T)与

有证据显著编码模式识别受体(先天性免疫组分)基因的变异可能与特应性疾病相关。然而,结果仍旧是不确定的。

最近,有研究人员确定了个体相关性和CD14(簇分化14)、TLR4 (toll样受体4)和TLR2 (toll样受体2)多态性互作对过敏性疾病可能的影响。研究包括了115名年龄在6到17岁的儿童。研究发现,3个多态性(CD14 C-159T、TLR4+896A/G和TLR2/-16934A/T)与哮喘、过敏性鼻炎和特应性反应之间没有统计学显著的相关性。CD14/-159T和TLR2/-16934A等位基因杂合或者纯合的儿童的哮喘风险要比携带CD14的T等位基因而不携带TLR2A等位基因的儿童低4倍,比其他组哮喘的风险低3倍。考虑到过敏性鼻炎,研究人员观察到了相似的趋势。另外,TLR2/-16934中至少1 A等位基因的存在能够减少哮喘和过敏性鼻炎的风险,而TLR4+896多态性中只有常见的A等位基因纯和的儿童中哮喘和过敏性鼻炎风险减少。

最后,研究人员指出,他们的研究支持了CD14、TLR2和TLR4也许并不是直接的参与特应性疾病的发展。然而,他们的结果表明了这些多态性对哮喘和过敏性鼻炎的影响可能是通过基因互作来实现。

原始出处:

D?bińska A, Danielewicz H, Drabik-Chamerska A et al. Genetic polymorphisms in pattern recognition receptors are associated with allergic diseases through gene-gene interactions. Adv Clin Exp Med. 9 Aug 2019

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