检测重症肌无力患者血清Ryanodine受体抗体和干扰素-α抗体的临床意义——附89例报告  被引量:2

Clinical significance of detection of RyR-Ab and IFN-αAb in serum of myasthenia gravis patients

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作  者:董礼全[1] 徐东[1] 阎志慧[2] 吕晓霞[3] 彭忠民[4] 

机构地区:[1]山东大学山东省立医院神经内科,250021 [2]山东烟台市烟台山医院神经内科,264025 [3]山东烟台市烟台山医院中心实验室,264025 [4]山东烟台市烟台山医院胸外科,264025

出  处:《新医学》2007年第5期292-294,共3页Journal of New Medicine

基  金:山东省自然基金项目(Y2002C13)

摘  要:目的:探讨检测重症肌无力(myasthenia gravis,MG)患者血清Ryanodine受体抗体(Ryanodine receptor antibody,RyR-Ab)和干扰素-α抗体(interferon-dantibody,IFN-αAb)的临床意义。方法:采用ELISA法检测89例MG患者血清中的RyR—Ab和IFN-αAb的水平,比较MG患者伴有不同胸腺异常情况(胸腺瘤、胸腺增生、胸腺萎缩)或胸腺正常,不同年龄段(以40岁为界)的RyR—Ab和IFN-αAb阳性率。结果:MG伴有胸腺瘤患者中男性和年龄40岁以上者占绝对优势(分别占86%和82%),有别于其他患者;MG伴有胸腺瘤患者的血清RyR-Ab及IFN-αAb的阳性率分别为77%、64%,明显高于MG伴有胸腺增生患者(5%、5%)、MG伴有胸腺萎缩患者(1/6、1/6)、胸腺正常的MG患者(0.2%)(均为P〈0.01);年龄41-72岁MG患者RyR.Ab的阳性率(32%)、IFN-αAb的阳性率(35%),均高于年龄17—40岁MG患者(13%、8%)(P〈0.01,P〈0.01,P〈0.05)。结论:检测MG患者的血清RyR—Ab和IFN-αAb有助于在MG患者中甄别出伴有胸腺瘤的患者。Objective : To investigate the clinical significance of the Ryanodine receptor antibody (RyR-Ab) and interferon-α antibody (IFN-αAb) in myasthenia gravis (MG) patients. Methods: RyR-Ab and IFN-αAb were measured by using enzyme-linked immunosorbent assay (ELISA) in 89 MG patients ( MG group) . The positive rates of these antibodies were compared among MG patients with different abnormality of the thymus or with different ages. Results: Male patients and patients over 40 had higher incidence of thymoma-associated MG(86% and 82% ). The positive rate of RyR-Ab and IFN-αAb were 77% and 64% respectively in thymoma-associated MG group, significantly higher than those of MG with thymus hyperplasia group (5% and 5%, P 〈0.05 ), MG with thymus atrophy group (1/6 and 1/6) and MG with normal thymus (0 and 2%) (P〈0.01, P〈0.01, P〈0.01) The positive rate of RyR-Ab (32%) and the positive rate of IFN-αAb (35%) in the group of the age of 41 -72 were significantly higher than thoseofthe patients with the age of 17 -40 (13% and 8%) (P〈0.01, P〈0.01, P〈0.05). Conclusion: Detection of RyR-Ab and IFN-αAb is helpful in discriminating thymoma-associated MG.

关 键 词:重症肌无力 Ryanodine受体抗体 干扰素α抗体 胸腺瘤 离子通道蛋白细胞因子 

分 类 号:R746.1[医药卫生—神经病学与精神病学]

 

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