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Ⅱ型胶原免疫活性肽研究的进展 被引量:6

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摘要 类风湿性关节炎(rheumatoid arthritis,RA)是由多种致病因子激活Th1细胞进而介导的全身性自身免疫性疾病。已有研究证实,RA患者口服鸡或牛Ⅱ型胶原(collagen tvpeⅡ,CⅡ)能够诱导免疫耐受从而达到显著治疗部分RA的作用。然而,CⅡ并非对所有RA都有效。研究发现,在CⅡ中存在不同的抗原表位,它们含人类白细胞抗原(RLA)-DR1/DR4的结合位点和与T淋巴细胞反应的抗原表位。通过清除T淋巴细胞受体表位的不同氨基酸的侧链或替代T淋巴细胞结合氨基酸,可以阻断HLA-抗原肽复合物与T淋巴细胞形成氢键连接,从而抑制抗原提呈反应。本文对近年来对CⅡ免疫活性肽的研究进展综述如下。
出处 《中华风湿病学杂志》 CAS CSCD 北大核心 2009年第5期341-343,共3页 Chinese Journal of Rheumatology
基金 国家自然科学基金(30430290)
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参考文献23

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二级参考文献15

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