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作 者:陈志涛[1] 吴杰[1] 张姮[1] 黄晓东[1] 王萍[1] 刘璟[1]
出 处:《临床内科杂志》2015年第3期192-194,共3页Journal of Clinical Internal Medicine
基 金:国家自然科学基金资助项目(81400578);国家教育部博士点基金资助项目(20130142120096);武汉市卫生局资助项目(WX13A07)
摘 要:目的:检测蛋白酪氨酸磷酸酶非受体型22(PTPN22)基因选择性剪切亚型PTPN22.6 mRNA 在克罗恩病(CD)患者外周血单核细胞(PBMCs)中的表达水平,研究 PTPN22.6 mRNA 表达状况与 C 反应蛋白(CRP)和红细胞沉降率(ESR)的关系及其临床意义。方法采用实时定量聚合酶链反应(Real-time PCR)方法分析50例 CD 患者和35例对照组 PBMCs 中PTPN22.6 mRNA 表达。分别采用速率散射比浊法和全自动红细胞沉降系统分析仪测定 CRP 和ESR 水平。结果与对照组比较,CD 患者 PBMCs 中 PTPN22.6 mRNA 的表达量升高(P <0.05)。活动期 CD 患者 PBMCs 中 PTPN22.6 mRNA的表达量显著高于缓解期 CD 患者(P <0.05)。CD 患者 PBMCs 中 PTPN22.6 mRNA 表达量与 CRP 和 ESR 浓度呈正相关(r =0.356,P <0.01;r =0.512, P <0.01)。疾病行为与 CD 患者PBMCs中 PTPN22.6 mRNA 表达水平相关,梗阻型 CD 患者 PBMCs中 PTPN22.6 mRNA 表达量显著高于非狭窄非穿透型和穿透型 CD 患者(P <0.05)。结论CD 患者 PBMCs 中 PTPN22.6 mRNA 表达水平升高,高水平 PTPN22.6 mRNA 的表达不仅与梗阻型疾病行为和疾病活动状态相关,而且与 CRP 和 ESR 呈正相关,提示 PTPN22.6可能在 CD 免疫学发病中起重要作用。Objective To explore the levels of protein tyrosine phosphatase nonreceptor type 22.6(PTPN22.6)mRNA in peripheral blood mononuclear cells(PBMCs)of Crohn’s disease(CD)pa-tients,and investigate its correlation with C-reactive protein (CRP)and erythrocyte sedimentation rate (ESR).Methods Levels of PTPN22.6 mRNA in PBMCs of 50 CD patients and 35 controls were detec-ted by real-time PCR,and levels of CRP and ESR were determined by rate nephelometry and automatic ESR Analyzer SRS 100 /II,respectively.Results Levels of PTPN22.6 mRNA expression were higher in CD patients than those in healthy controls(P 〈0.05).Of CD patients,compared with inactive cases,lev-els of PTPN22.6 mRNA expression increased in active cases(P 〈0.05);and levels of PTPN22.6 mRNA expression were significantly associated with the levels of CRP and ESR(r =0.356,P 〈0.01;r =0.512, P 〈0.01,respectively);compared with cases without stenosis,penetration or cases with penetration,cases with obstruction had significantly higher levels of PTPN22.6 mRNA(P =0.018;P 〈0.05,respectively). Conclusion PTPN22.6 mRNA expression levels increase in CD patients;high levels of PTPN22.6 mRNA are associated with the status of disease activity,CRP or ESR levels,and illness behavior.It sug-gests that PTPN22.6 could play a considerable role in pathogenesis of CD.
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