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肺结核患者外周血αβT细胞CDR3谱系研究 被引量:1

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摘要 目的探讨活动性肺结核患者外周血T细胞TCRα,β链CDR3谱系漂移,为肺结核患者特异性T细胞免疫应答机制和免疫治疗研究提供基础。方法采用基因扫描谱型分析技术,分析6例正常献血员及6例活动性肺结核患者PBMC中T细胞TCR CDR3谱型分布特征及患者TCRVα和Vβ基因家族的优势取用情况,对克隆性增生T细胞CDR3区进行序列分析。结果6例正常献血员外周血中TCR 32 Vα,24Vβ家族CDR3谱型均呈高斯分布(gaussian distribution),6例活动性肺结核患者出现不同Vα和Vβ家族优势取用,对部分单/寡克隆增生T细胞α,β链CDR3区基因进行测序,证实存在不同的CDR3序列。结论肺结核患者活动期外周血T细胞TCRα,β链CDR3谱系出现明显漂移,提示CDR3的选择性表达与结核患者细胞免疫应答机制有关,优势取用Vα,Vβ家族T细胞TCR CDR3序列的确定,为肺结核患者特异性T细胞免疫治疗研究提供基础。
出处 《广东医学》 CAS CSCD 北大核心 2008年第8期1283-1285,共3页 Guangdong Medical Journal
基金 教育部新世纪优秀人才支持计划(编号:NCET-07-0410) 国家自然科学基金资助项目(编号:30771952) 广东省自然科学基金资助项目(编号:07117783)
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参考文献9

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共引文献36

同被引文献12

  • 1马锐,罗荣,孙万邦,姚新生.“荧光定量PCR溶解曲线法”监测人TCRβ链CDR3谱系漂移技术的建立[J].免疫学杂志,2009,25(4):446-451. 被引量:9
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