常青燕 朱杰 張曉慧 來有雪 盛亮亮
【摘要】 目的:研究Treg與Th17細胞在慢性丙型肝炎患者外周血CD4+細胞中表達百分率的變化及意義,探討其在慢性丙型肝炎發病中的作用。方法:使用四色流式細胞儀,分別檢測慢性丙型肝炎患者和正常健康人外周血CD4+細胞中Treg與Th17細胞的表達百分率情況,并分別計算Treg/Th17值。結果:慢性丙肝組與健康對照組的Treg細胞百分率比較[(7.56±1.32)% vs(5.05±0.46)%,P<0.01],Th17細胞百分率比較[(2.12±0.55)% vs(1.19±0.12)%,P<0.01],Treg/Th17細胞比例比較[(3.66±0.42)vs(4.25±0.45),P<0.01]。且Treg細胞與Th17表達百分率HCV-RNA病毒載量呈正線性相關,與轉氨酶ALT含量無關。結論:可以將Treg、Th17細胞亞群的含量作為快速輔助判斷丙肝患者所處感染的不同臨床時期的有效證據。
【關鍵詞】 流式細胞術; Treg細胞; Th17細胞; 慢性丙型肝炎
Expression Changes and Significance of Treg and Th17 Cells in Peripheral Blood CD4+ Cells in Chronic Hepatitis C/CHANG Qingyan,ZHU Jie,ZHANG Xiaohui,et al.//Medical Innovation of China,2017,14(32):014-018
【Abstract】 Objective:To study the changes and significance of Treg and Th17 cells in peripheral blood CD4+ cells in patients with chronic hepatitis C and to explore its role in the pathogenesis of chronic hepatitis C.
Method:The expression percentage of Treg and Th17 cells in CD4+ cells in patients with chronic hepatitis C and normal healthy people were detected by four-color flow cytometry,and Treg/Th17 was calculated respectively.Result:The percentage of Treg cells in patients with chronic hepatitis C and normal healthy people were(7.56±1.32)%,(5.05±0.46)%,Th17 cells percentage were (2.12±0.55)%,(1.19±0.12)%,Treg/Th17
cells proportion were (3.66±0.42),(4.25±0.45),there were statistical significance(P<0.01).And the percentage of Treg and Th17 cells was positive linear correlation with HCV-RNA viral load and had nothing to do with the elevation of ALT.Conclusion:The contents of Treg and Th17 cell subgroups can be used as the effective evidence for the rapid adjuvant assessment of the different clinical stages of infection in patients with chronic hepatitis C.
【Key words】 Flow cytometry; Treg cell; Th17 cell; Chronic hepatitis C
First-authors address:Dalian Sixth Peoples Hospital,Dalian 116113,China
doi:10.3969/j.issn.1674-4985.2017.32.004
丙肝發病和轉歸機制與Treg與Th17這兩類不同的細胞亞群失去平衡密切相關。盡管Treg、Th17的免疫應答與胞內感染涉及到的防御和清除有關,但這兩者的參與同時也可以導致肝組織損傷。適宜的Treg、Th17免疫應答能夠有效清除HCV感染,提示可以研究出有效的免疫調節治療方法,即通過調節Treg和Th17的平衡來清除病毒。因此,筆者采用流式細胞儀對慢性丙肝患者外周血T細胞亞群中的Treg與Th17的表達情況進行詳細分析,現報道如下。
1 資料與方法
1.1 一般資料 本研究經過大連市第六人民醫院倫理委員會批準,患者被知情告知,并已簽署知情同意書。本研究中慢性丙型肝炎患者均符合2015年《丙型肝炎防治指南》慢性丙型肝炎的診斷標準,排除與HBV混合感染及與HIV混合感染的患者,排除有嚴重肝功能障礙、嚴重心臟病史及嚴重精神病史患者,排除妊娠及哺乳期的患者,為未經抗病毒治療的初治成年患者。本研究中慢性丙型肝炎患者均由遼寧省大連市第六人民醫院招募入組,入組時間為2015年8月-2016年9月,共入組慢性丙型肝炎患者19例(慢性丙肝組),其中男10例,女9例,年齡23~79歲,平均(46.16±15.09)歲;……