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Allergol Int: 日本青少年中,HLA-DPB1与日本柳杉花粉病和致敏作用的关系

2017-05-14 AlexYang MedSci原创

过敏性鼻炎(AR)是一种多样化的障碍疾病并且能够显著的影响日常活动、工作效率、睡眠、学习以及生活质量。日本柳杉(JC)花粉是日本最普遍的AR的过敏原。由JC花粉引起的AR被认为是一种多因子的遗传性疾病,且有环境和遗传因素共同导致的。最近,有研究人员就人类白细胞抗原-PDB1(HLA-DPB1)与JC花粉病和致敏性的关系进行了研究。研究包含了2013年到2015年的544名来自日本筑波大学的学生,并

过敏性鼻炎(AR)是一种多样化的障碍疾病并且能够显著的影响日常活动、工作效率、睡眠、学习以及生活质量。日本柳杉(JC)花粉是日本最普遍的AR的过敏原。由JC花粉引起的AR被认为是一种多因子的遗传性疾病,且有环境和遗传因素共同导致的。最近,有研究人员就人类白细胞抗原-PDB1(HLA-DPB1)与JC花粉病和致敏性的关系进行了研究。研究包含了2013年到2015年的544名来自日本筑波大学的学生,并利用PCR-SSOP技术来确定每一位个体的HLA-DPB1等位基因特点。同时,研究利用逻辑回归分析检验了JC相关的表型与HLA-DPB1的等位基因/氨基酸多态性的关系。

研究发现,HLA-DPB1*02等位基因与JC致敏性/花粉病显著相关(q<0.05)。更多的是,HLA-DPB1*02:01 和 HLA-DPB1*02:02具有JC致敏性/花粉病保护性倾向,并且HLA-DPB1*05:01对致敏性具有易感倾向(P<0.05)。在氨基酸多态性分析中,在69位置的谷氨酸、在84-87位的甘氨酸-甘氨酸-脯氨酸-甲硫氨酸、在170位的苏氨酸以及在205位的甲硫氨酸对JC致敏性表现除了保护性倾向(P<0.05)。69位的氨基酸和84-87位的氨基酸分别定位到 HLA-DPβ1的结合口袋5和1。最后,研究人员指出,氨基酸在 HLA-DPβ1的过敏原结合口袋的改变很可能影响到了JC花粉过敏肽的花粉并/致敏性,并且可以决定每个暴露于JC花粉个体的花粉病风险。

原始出处:

Morii W, Sakai A, Ninomiya T et al. Association of Japanese cedar pollinosis and sensitization with HLA-DPB1 in the Japanese adolescent. Allergol Int. 28 April 2017.

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    2017-05-21 1e145228m78(暂无匿称)

    学习了,谢谢作者分享!

    0

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    2017-05-17 laoli

    学习了,谢谢分享!

    0

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    2017-05-16 膀胱癌
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    2017-05-16 marongnuan

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