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中华腔镜泌尿外科杂志(电子版) ›› 2020, Vol. 14 ›› Issue (02) : 140 -144. doi: 10.3877/cma.j.issn.1674-3253.2020.02.014

所属专题: 文献

实验研究

前列腺癌组织中酪氨酸硫酸化转移酶1(TPST1)的表达水平及临床意义
万颂1, 周宇林1, 习明1, 江文聪1, 万跃平1,()   
  1. 1. 510800 广州市花都区人民医院泌尿外科
  • 收稿日期:2019-11-13 出版日期:2020-04-01
  • 通信作者: 万跃平

Expression levels and clinical significance of TPST1 mRNA and protein in prostate cancer

Song Wan1, Yulin Zhou1, Ming Xi1, Wencong Jiang1, Yueping Wan1,()   

  1. 1. Department of Urology, Guangzhou Huadu People's Hospital, Guangzhou 510800, China
  • Received:2019-11-13 Published:2020-04-01
  • Corresponding author: Yueping Wan
  • About author:
    Corresponding author:Wan Yueping, Email:
引用本文:

万颂, 周宇林, 习明, 江文聪, 万跃平. 前列腺癌组织中酪氨酸硫酸化转移酶1(TPST1)的表达水平及临床意义[J]. 中华腔镜泌尿外科杂志(电子版), 2020, 14(02): 140-144.

Song Wan, Yulin Zhou, Ming Xi, Wencong Jiang, Yueping Wan. Expression levels and clinical significance of TPST1 mRNA and protein in prostate cancer[J]. Chinese Journal of Endourology(Electronic Edition), 2020, 14(02): 140-144.

目的

分析酪氨酸硫酸化转移酶1(TPST1)在前列腺癌(PCa)组织中的表达情况,并探讨其与前列腺癌患者临床病理特征和预后的关系。

方法

在肿瘤基因组图谱(TCGA)数据库收集499例前列腺癌患者,分析TPST1 mRNA与PCa患者临床病理特征及预后的关系;采用免疫组织化学SP法检测前列腺组织芯片(TMA)中TPST1蛋白的表达,并分析其与PCa患者临床病理特征的关系。

结果

TCGA数据库结果显示TPST1表达量与年龄具有显著相关性(P<0.05),与血清PSA、Gleason评分、临床T分期、淋巴结转移和远处转移相关性没有统计学意义(P>0.05);免疫组化结果显示,PCa癌组织中TPST1蛋白的高表达率为78.0%(39/50),明显高于非前列腺癌组织的46.67%(14/30),差异有统计学意义(P<0.05);TPST1的TMA分析结果显示,TPST1蛋白表达量与年龄、肿瘤分级、Gleason评分、临床T分期、淋巴结转移以及远处转移相关性没有统计学意义(P>0.05);TCGA数据库样本的Kaplan-Meier生存分析结果显示TPST1 mRNA高表达组的无生化复发生存情况和无病生存情况差于低表达组,差异有统计学意义(P<0.05);COX单因素和多因素分析结果显示,TPST1不是影响PCa患者生存预后的独立危险因素。

结论

TPST1在PCa癌组织中呈高表达,TPST1高表达提示预后差,但其与PCa患者临床分期、淋巴结转移无明显相关性,不是影响PCa患者生存预后的独立危险因素。

Objective

To analyze expression of tyrosylprotein sulfotransferase 1 (TPST1) in prostate cancer (PCa) tissues, and to explore its relationship with clinicopathological features and prognosis of PCa patients.

Methods

Data of 499 PCa patients were enrolled from the cancer genome atlas (TCGA) database. The relationship between TPST1 mRNA and clinicopathological features, prognosis of PCa patients was analyzed. The expression of TPST1 protein in prostate tissue microarray (TMA) was detected by immunohistochemical SP method. And its relationship with clinicopathological features of PCa patients was analyzed.

Results

The results of TCGA database showed that expression quantity of TPST1 was significantly correlated with age (P<0.05), while not significantly correlated with serum PSA, Gleason score, clinical T stage, lymph node metastasis or distant metastasis (P>0.05). The results of immunohistochemistry showed that high expression rate of TPST1 protein in PCa tissues was significantly higher than that in non-prostate cance tissues [78.0%(39/50) vs 46.67%(14/30)] (P<0.05). TMA analysis results of TPST1 showed that expression quantity of TPST1 was not significantly correlated with age, tumor grade, Gleason score, clinical T stage, lymph node metastasis or distant metastasis (P>0.05). The results of Kaplan-Meier survival analysis of PCa patients from TCGA showed that biochemical recurrence-free survival and disease-free survival in TPST1 mRNA high-expression group were less than that in TPST1 mRNA low-expression group (P<0.05). The results of COX univariate and multivariate analysis showed that TPST1 was not an independent risk factor influencing survival prognosis of PCa patients.

Conclusion

TPST1 is highly expressed in PCa tissues. TPST1 high-expression indicates poor prognosis, which is not significantly correlated with clinical stage and lymph node metastasis of PCa patients. And it is not an independent risk factor influencing survival prognosis of PCa patients.

图1 TPST1在前列腺癌组织和非前列腺癌组织中的表达(IHC)
表1 TPST1蛋白、TPST1 mRNA表达量与临床病理特征的关系
图2 前列腺癌患者无生化复发和无病生存曲线
表2 影响前列腺癌患者生存预后的COX单因素分析
表3 影响前列腺癌患者生存预后的COX多因素分析
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