王雪媛


[摘要] 目的 分析胃癌患者Hp感染的外周血MODCs成熟及活化。方法 随机选取2015年6月—2019年6月内蒙古科技大学包头医学院第一附属医院消化内科胃癌患者60例,分为Hp阳性组(n=30)和Hp阴性组(n=30)两组,统计分析两组患者的外周血MODCs成熟标记分子表达率、IFN-γ、IL-12浓度、外周血MODCs致敏T细胞对胃癌细胞毒性杀伤率。 结果Hp阳性组CagA+菌株、CagA-菌株患者的外周血CD40、CD80、CD83、CD86、HLA-DR表达率均显著高于Hp阴性组(t=3.182、2.776、2.571、2.447、2.365、2.306、3.365、3.306、3.300、3.247,P<0.05),但CagA+菌株、CagA-菌株患者的外周血CD40、CD80、CD83、CD86、HLA-DR表达率之间的差异无统计学意义(t=1.886、1.638,、1.533、1.476、1.460,P>0.05)。Hp阳性组患者的IFN-γ、IL-12浓度均显著高于Hp阴性组(t=4.541、6.965,P<0.05),外周血MODCs致敏T细胞对胃癌细胞毒性杀伤率(40.4±7.0)%显著高于Hp阴性组(29.7±6.2)%(t=4.303,P<0.05)。 结论 胃癌患者Hp感染会对外周血MODCs成熟及活化进行刺激,促进癌细胞杀伤作用的提升。
[关键词] 胃癌;Hp感染;外周血MODCs成熟;活化
[Abstract] Objective To analyze the maturation and activation of MODCs in peripheral blood of patients with Hp infection in gastric cancer. Methods 60 patients with gastric cancer in the Department of Gastroenterology, the First Affiliated Hospital of Baotou Medical College, Inner Mongolia University of Science and Technology from June 2015 to June 2019 were randomly selected and divided into two groups: Hp-positive group(n=30) and Hp-negative group (n=30). The statistical analysis of the expression rates of mature marker molecules in peripheral blood MODCs, the concentrations of IFN-γ, IL-12, and the cytotoxicity of peripheral blood MODCs-sensitized T cells on gastric cancer cells were statistically analyzed. Results The expression rates of CD40, CD80, CD83, CD86, and HLA-DR in peripheral blood of patients with Hg-positive group CagA+strain and CagA- strain were significantly higher than those in Hp-negative group (t=3.182, 2.776, 2.571, 2.447, 2.365, 2.306, 3.365 , 3.306, 3.300, 3.247, P<0.05), but there was no significant difference in the expression rates of peripheral blood CD40, CD80, CD83, CD86, HLA-DR in patients with CagA+strain and CagA- strain (t=1.886, 1.638, 1.533, 1.476, 1.460, P>0.05). The concentrations of IFN-γ and IL-12 in patients with Hp-positive group were significantly higher than those in Hp-negative group(t=4.541,6.965, P<0.05). Peripheral blood MODCs sensitized T cells had cytotoxicity to gastric cancer cells (40.4±7.0)% The was significantly higher than that in the Hp-negative group (29.7 ± 6.2)% (t=4.303, P<0.05). Conclusion Hp infection in patients with gastric cancer can stimulate the maturation and activation of MODCs in peripheral blood, and promote the killing effect of cancer cells.
[Key words] Gastric cancer; Hp infection; MODCs maturation in peripheral blood; Activation
在胃炎、消化性潰疡等致病因子中,幽门螺杆菌(Hp)占有重要地位,其直接而深刻地影响着胃癌的发生发展[1]。近年来,相关医学研究表明[2],如果胃癌患者Hp感染,其就具有较好的预后,发生这一现象的原因可能为Hp将机体抗癌免疫激活并增强。但是目前,临床仍然没有明确其机制。该研究对2015年6月—2019年6月该院消化内科胃癌患者60例的临床资料进行了统计分析,分析了胃癌患者Hp感染的外周血MODCs成熟及活化,现报道如下。
1 资料与方法
1.1 一般资料
随机选取该院消化内科胃癌患者60例,分为Hp阳性组(n=30)和Hp阴性组(n=30)两组。Hp阳性组患者中男性20例,女性10例;年龄32~64岁,平均(52.4±6.1)岁;在TNM分期方面,18例为Ⅰ~Ⅱ期,12例为Ⅲ~Ⅳ期;在菌株方面,17例为CagA+,13例为CagA-。Hp阴性组患者中男性19例,女性11例;年龄33~64岁,平均(53.2±6.6)岁。在TNM分期方面,17例为Ⅰ~Ⅱ期,13例为Ⅲ~Ⅳ期。两组患者的一般资料比较差异无统计学意义(P>0.05)。具有可比性。该研究所选病例经过伦理委员会批准,患者或家属知情同意。
1.2 方法
1.2.1 Hp感染鉴定 胃镜活检,将两组患者的3~5块病灶黏膜或胃窦组织取出来,在RPMI1640培养液中放置备用。采……