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Evaluation of natural killer cell activity in pre and post treated breast cancer patients

机译:对治疗前后的乳腺癌患者自然杀伤细胞活性的评估

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Aim: To evaluate natural killer (NK) cells activity in breast cancer patients and its comparison with normal individuals. Settings and Design: Breast cancer is the most prevalent type of spontaneous tumor in humans, and NK cells are the first line defense against such tumors. There is a reverse correlation between NK activity and metastasis and reducing the tumor mass by surgery may be monitoring the NK activity. In this study, we evaluate NK activity in pre and post mastectomy patients. Materials and Methods: Eighteen patients with invasive ductal carcinoma attended to cancer research institute were included in this study. NK cells were evaluated in pre and post mastectomy patients. PBMCs were isolated by ficoll hypaque. NK cell activity (% lysis of K562) was evaluated by flowcytometer. Statistical Analysis Used: One way analysis of variation (ANOVA) and KruskalWallis nonparametric test were employed using SPSS software. Results: While NK cell activity was greatly impaired in breast cancer patients (average lysis of K562 target cells: 24.4% vs. 62.5% in healthy controls, n = 18), it was found to be significantly increased after mastectomy (37.7%). Conclusions: Mastectomy may lead to increased activity of NK cells among patients suffering from breast cancer and their increased activity may produce positive therapeutic effect.
机译:目的:评估乳腺癌患者的自然杀伤(NK)细胞活性及其与正常人的比较。设置和设计:乳腺癌是人类最普遍的自发性肿瘤,而NK细胞是抵抗此类肿瘤的一线防御。 NK活性与转移之间存在反相关关系,通过手术减少肿瘤肿块可监测NK活性。在这项研究中,我们评估了乳房切除术前后患者的NK活性。材料与方法:18例浸润性导管癌患者在癌症研究所就诊。在乳房切除术之前和之后的患者中评估了NK细胞。通过ficoll hypaque分离PBMC。通过流式细胞仪评估NK细胞活性(K562的%裂解)。所使用的统计分析:使用SPSS软件采用单向变异分析(ANOVA)和KruskalWallis非参数检验。结果:虽然乳腺癌患者的NK细胞活性大大受损(K562靶细胞的平均裂解率:24.4%,而健康对照者为62.5%,n = 18),但发现乳房切除术后NK细胞活性显着增加(37.7%)。结论:乳房切除术可导致乳腺癌患者NK细胞活性增加,而其活性增加可产生积极的治疗作用。

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