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ST6GalⅠ在肾透明细胞癌中的表达及其对患者预后的影响

Expression of ST6GalⅠin renal clear cell carcinoma and its effect on prognosis
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摘要 目的探讨人β半乳糖苷α-2,6-唾液酸转移酶Ⅰ(ST6GalⅠ)在肾透明细胞癌(ccRCC)癌组织及正常肾组织中表达的差异及其对患者预后的影响。方法以2013年1月-2019年12月来本院就诊的ccRCC患者127例为研究对象。应用qRT-PCR方法检测癌组织及同一患者正常肾脏组织中的ST6GalⅠ表达。分析ST6GalⅠ在癌组织及正常肾脏组织中的表达水平的差异,并收集患者的临床资料,对纳入研究患者通过电话、门诊、住院等方式进行随访患者生存情况。采用Kaplan-Meier生存分析法计算患者生存率。采用Cox比例回归风险模型分析影响患者预后的因素。结果qRTPCR结果显示,纳入研究的患者癌组织中ST6GalⅠ的表达水平显著高于同一患者正常肾脏组织,差异具有统计学意义(P<0.05);经Kaplan-Meier法分析结果显示,ST6GalⅠ高表达、组织类型为中低分化、肿瘤直径>7 cm,临床分期为Ⅱ期是影响患者生存的因素。经多因素Cox回归分析结果显示,ST6GalⅠ高表达、组织类型为中低分化、肿瘤直径>7 cm、临床分期为Ⅱ期是影响患者预后的独立危险因素。结论ST6GalⅠ在癌组织中的表达水平显著高于正常肾脏组织,且ST6GalⅠ高表达是患者预后的独立危险因素,同时组织分级为中低分化、肿瘤直径>7 cm、临床分期为Ⅱ期也是患者预后不良的独立危险因素。 Objective To investigate the difference of expression of humanβ-galactosideα-2,6-sialyl-transferase I(ST6GalI)in clear cell renal carcinoma(ccRCC)and normal renal tissues,and its effect on prognosis of patients.Methods A total of 127 patients with renal clear cell carcinoma who admitted in the hospital from January 2013 to December 2019 were selected as the research objects.The expression of ST6GalⅠwas detected by qRT-PCR to analyze the difference of ST6GalI expression level in the cancer tissue and normal kidney tissue,and collect the clinical data of patients,and follow-up the survival of patients.Kaplan-Meier survival analysis was used to calculate the survival rate.Cox proportional regression risk model was used to analyze the prognostic factors.Results The results of qRT-PCR showed that the expression level of ST6GalI in the cancer tissue was significantly higher than that in the normal kidney tissue(P<0.05);the Kaplan Meier analysis showed that the high expression of ST6GalI,the low and medium differentiation of tissue type,tumor volume>7cm,clinical stage II were the factors affecting the survival of patients.Multivariate Cox regression analysis showed that the high expression of ST6GalI,low and medium differentiation of tissue type,tumor volume>7cm,clinical stage of stage II were the independent risk factors affecting the prognosis of patients.Conclusion The expression level of ST6GalI in the cancer tissue is significantly higher than that in the normal kidney tissue,and the high expression of ST6GalI is an independent risk factor for the prognosis of patients.Meanwhile,the tissue type of low differentiation,tumor volume>7cm,clinical stage II are also the independent risk factors for unfavourable prognosis.
作者 李前进 拜合提亚·阿扎提 王文光 刘强 王玉杰 LI Qianjin;Baihetiya Azhati;WANG Wenguang;LIU Qiang;WANG Yujie(Department of Urology,the First Affiliated Hospital of Xinjiang Medical University,Urumqi 830054,China)
出处 《新疆医科大学学报》 CAS 2020年第12期1531-1534,共4页 Journal of Xinjiang Medical University
基金 国家自然科学基金(81060210) 新疆维吾尔自治区自然科学基金(2017D01C294)。
关键词 ST6GalⅠ 肾透明细胞癌 预后 ST6GalⅠ clear cell renal cell carcinoma(ccRCC) prognosis
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