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尘螨过敏母亲对新生儿Th1/Th2平衡功能的影响 被引量:6

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摘要 目的:探讨螨性过敏妊娠母亲对新生儿Th1/Th2平衡功能的影响。方法:选择21例有过敏病史并Dpt/Df试验阳性妊娠母亲的新生儿(AD组),20例无过敏病史并Dpt/Df试验阴性妊娠母亲的新生儿(对照组)。以淋巴细胞分离液分离新生儿脐血单个核细胞(CBMC),经Dpt/Df刺激后,用酶联免疫吸附试验(ELISA)检测培养上清中IFN-γ、IL-4含量及IFN-γ/IL-4比值变化。结果:(1)未加Dpt/Df刺激前,AD组和对照组的CBMC培养上清中IFN-γ、IL-4含量和IFN-γ/IL-4比值差异均无显著性(均P>0.05)。(2)加Dpt/Df刺激后,AD组IL-4明显增高,IFN-γ/IL-4明显降低,分别与刺激前及对照组相比,差异均有显著性(P<0.05~0.01),但IFN-γ无明显变化(P>0.05)。(3)对照组中,IFN-γ、IL-4和IFN-γ/IL-4比值在Dpt/Df剌激前后均无明显变化(均P>0.05)。结论:螨性过敏母亲的新生儿脐血单个核细胞在相同抗原激发时,IL-4分泌明显增高,导致IFN-r/IL-4比值失衡,提示胎儿免疫细胞在宫内可能已暴露于变应原并致敏,产生过敏原特异性免疫记忆反应。
出处 《实用医学杂志》 CAS 2005年第13期1410-1411,共2页 The Journal of Practical Medicine
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