betway必威登陆网址 (betway.com )学报››2023,Vol. 44››Issue (1): 15-23.DOI:10.3969/j.issn.2097-0005.2023.01.003
黄永胜1(), 黄彩娜2, 董学岭3, 卓秀丽3, 房娟娟4, 宋文霞5, 张雨露6, 阎磊1, 陈刚3(
), 吕仁广3(
)
收稿日期:
2022-09-23出版日期:
2023-01-25发布日期:
2023-03-31通讯作者:
陈刚,吕仁广作者简介:
黄永胜,硕士研究生,研究方向:泌尿系统肿瘤,E-mail:H_YongSheng0128@126.com。基金资助:
Yongsheng HUANG1(), Caina HUANG2, Xueling DONG3, Xiuli ZHUO3, Juanjuan FANG4, Wenxia SONG5, Yulu ZHANG6, Lei YAN1, Gang CHEN3(
), Renguang LV3(
)
Received:
2022-09-23Online:
2023-01-25Published:
2023-03-31Contact:
Gang CHEN,Renguang LV摘要:
目的筛选出膀胱尿路上皮癌(urothelial carcinoma,UC)的蛋白组学相关预后特征(proteomics-related prognostic signatures,PRPS),从而预测UC患者的生存预后。方法通过Cox回归模型确定UC中的PRPS,以多因素Cox回归的结果计算每一位患者的风险评分(risk score, RS)。以RS中位值为标准进行风险分组并构建RS预后模型,依次进行总生存时间(overall survival, OS)、无进展生存时间(progression free survival, PFS)分析,绘制包括风险分组的临床列线图来预测患者的预后,并通过受试者工作特征(receive operating characteristic, ROC)曲线与决策曲线分析(decision curve analysis,DCA)进行验证;然后进行基因组学分析,与蛋白组学研究互为补充。采用基因富集分析与免疫细胞浸润分析探究在风险分组中活跃的生物学功能、作用通路及肿瘤微环境(tumor microenvironment, TME)变化。结果在UC中确定6个PRPS作为预后指标。生存分析(Kaplan-Meier, KM)表明,高风险组患者的OS与FPS明显低于低风险组,差异有统计学意义(P< 0.001)。ROC曲线表明,RS预后模型有可靠的预测能力,1年、2年、3年生存率的ROC曲线下面积(area under curve, AUC)分别为0.710、0.709、0.719。列线图用来协助临床医生预测UC患者的生存率是可靠的。基因组学分析表明,基因与蛋白质存在着时间上的差异性。基因富集分析表明,PRPS的生物学功能与通路富集在人类免疫应答上。免疫细胞浸润性分析发现,中性粒细胞及NK细胞在高风险人群中显著高表达,差异有统计学意义(P< 0.05)。结论PRPS可作为新的肿瘤标志物来预测UC患者的生存率及肿瘤的恶性程度。
黄永胜, 黄彩娜, 董学岭, 卓秀丽, 房娟娟, 宋文霞, 张雨露, 阎磊, 陈刚, 吕仁广. 膀胱尿路上皮癌蛋白组学相关个体化预后特征的推导与验证[J]. betway必威登陆网址 (betway.com )学报, 2023, 44(1): 15-23.
Yongsheng HUANG, Caina HUANG, Xueling DONG, Xiuli ZHUO, Juanjuan FANG, Wenxia SONG, Yulu ZHANG, Lei YAN, Gang CHEN, Renguang LV. Derivation and validation of proteomic related individualized prognostic signatures of bladder urothelial carcinoma[J]. Journal of Shandong First Medical Unversity & Shandong Academy of Medical Sciences, 2023, 44(1): 15-23.
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表1膀胱尿路上皮癌患者总样本的单因素与多因素Cox回归分析
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表2膀胱尿路上皮癌患者训练集与测试集临床性状差异分析[n(%)]
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临床
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表3膀胱尿路上皮癌患者临床性状的单因素与多因素Cox回归分析
临床
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蛋白名称 | 基因名称 |
---|---|
EMA | MUC1 |
PKA-a | PRKACA |
MCT4 | SLC16A4 |
ANNEXIN1 | ANXA1 |
Atg4B | ATG4B |
4EBP1_pT70 | EIF4EBP1 |
表4PRPS及对应的基因
蛋白名称 | 基因名称 |
---|---|
EMA | MUC1 |
PKA-a | PRKACA |
MCT4 | SLC16A4 |
ANNEXIN1 | ANXA1 |
Atg4B | ATG4B |
4EBP1_pT70 | EIF4EBP1 |
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