• 中国科学论文统计源期刊
  • 中国科技核心期刊
  • 美国化学文摘(CA)来源期刊
  • 日本科学技术振兴机构数据库(JST)

临床输血与检验 ›› 2018, Vol. 20 ›› Issue (2): 168-173.DOI: 10.3969/j.issn.1671-2587.2018.02.019

• 临床检验 • 上一篇    下一篇

GLS1在胃癌患者癌组织的表达水平及其与临床预后的关系

吴新萍   

  1. 431700 湖北省天门市第一人民医院普外科
  • 收稿日期:2017-11-11 出版日期:2018-04-20 发布日期:2018-04-25
  • 作者简介:吴新萍(1971-),女,主管护师,学士,主要从事普外科护理和伤口护理工作,(Tel)13593972811(E-mail)xinping123@163.com。

Expression of GLS1 in the Tissues of Gastric Cancer and Its Relationship with Clinical Prognosis of Patients

Xin-ping   

  1. Department of General Surgery,the First People's Hospital of TianmenHubei 431700
  • Received:2017-11-11 Online:2018-04-20 Published:2018-04-25

摘要: 目的 探讨GLS1在胃癌患者癌组织的表达水平及其对临床预后的预测价值。 方法 收集88例行手术治疗的胃癌患者组织样本,包括胃癌组织和癌旁组织,采用免疫组织化学检测组织标本的谷氨酰胺酶1型(GLS1)、Raptor、Rictor蛋白表达,实时荧光定量PCR(FQ-PCR)检测组织GLS1、Raptor、Rictor mRNA表达;收集患者临床病理资料,分析GLS1表达水平与胃癌病理资料的关系;对胃癌患者进行随访,分析GLS1表达与患者生存率的关系。 结果 胃癌组织GLS1蛋白阳性表达率为80.7%(71/88),Raptor阳性表达率为73.9%(65/88),Rictor阳性表达率为88.6%(78/88),癌旁组织分别为38.6%(34/88)、23.9%(21/88)、46.6%(41/88),胃癌组织GLS1、Raptor、Rictor蛋白表达阳性率显著高于癌旁组织(P<0.05)。胃癌组织GLS1、Raptor、Rictor mRNA相对表达量分别为(1.04±0.21)、(1.73±0.32)、(1.32±0.17),均高于癌旁组织(0.65±0.09)、(0.81±0.12)、(0.75±0.11),组间比较差异有统计学意义(P<0.05)。肿瘤直径>5 cm、低分化肿瘤、Ⅲ~Ⅳ期、合并淋巴结转移、浸润深度为T3~T4者GLS1阳性率明显升高(P<0.05)。GLS1阴性患者3年累积生存率(78.1%)高于阳性患者的3年累积生存率(47.2%),差异有统计学意义(P<0.05)。多因素分析显示,GLS1表达、分化程度、TNM分期是影响胃癌患者预后的独立危险因素(P<0.05)。 结论 GLS1在胃癌组织表达显著升高,GLS1表达越高,患者预后越差,GLS1可作为胃癌临床预后评估的指标之一。

关键词: 谷氨酰胺酶1型, 胃癌, 癌旁组织, 预后

Abstract: Objective To explore the GLS1 expression in gastric cancer tissues and its relationship with clinical prognosis. Methods A total of 88 samples of gastric mucosa cancer tissues and theiradjacent tumor mucosa epithelial tissueswere collectedfrom the patients with gastric carcinoma.The GLS1,Raptor,Rictor protein expressions were detected by immunohistochemistry,and the mRNA expressionsweretested by RT-PCR.The relationship betweenclinical pathological data and GLS1 expressionwere analysed.The patients were followed up for the survival rate. Results Frequencies of positiveexpressionsof GLS1(80.7%,71/88),Raptor(73.9%,65/88),and Rictor(88.6%,78/88) in gastric cancer tissuesweresignificantly higher than those in the adjacent tissues of 38.6%(34/88),23.9%(21/88),and 46.6%(41/88),respectively (P<0.05).Additionally,mRNA expressionsof GLS1,Raptor,and Rictor in the cancer tissueswere (1.04±0.21),(1.73±0.32),and (1.32±0.17),respectively,significantly higher (P<0.05)than those in adjacent tissues(0.65±0.09),(0.81±0.12),and(0.75±0.11).Patients with tumors of bigger than 5cm in diameter,low differentiation,III~IV stage,lymph node metastasis,and the depth of invasion between T3~T4 presented a significantly high GLS1 positivity (P<0.05).The three year cumulative survival rate of patients with negativeGLS1 was 78.1%,higher than 47.2%(P<0.05) in positiveGLS1 patients.Multivariate analysis showed that GLS1 expression,differentiation degree and TNM stage were independent risk factors for prognosis of patients with gastric cancer (P<0.05). Conclusion The expression level of GLS1 in gastric carcinoma are significantly elevated,and the high GLS1 expression is associated with the poor prognosis of the disease,suggesting that GLS1 may be used as an indicator for evaluating the prognosis of gastric cancer.

Key words: Glutaminase1, Gastric cancer, Adjacent tissue, Prognosis

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