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OCTN2与前列腺癌细胞对奥沙利铂化疗敏感性的相关性 Δ
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褚 雷 1, 2* ,徐 斌 ,沙德厚 ,王 磊 ,程广舟 ,张继东 (1.徐州医科大学附属滕州医院泌尿外科,山东 枣庄
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277500;2.济宁医学院附属滕州中心人民医院泌尿外科,山东 枣庄 277500;3.山东中医药大学中医药创新研
究院,济南 250355;4.枣庄市妇幼保健院检验科,山东 枣庄 277100;5.济宁医学院附属滕州中心人民医院检
验科,山东 枣庄 277500)
中图分类号 R965 文献标志码 A 文章编号 1001-0408(2023)12-1468-05
DOI 10.6039/j.issn.1001-0408.2023.12.11
摘 要 目的 研究新型有机阳离子转运体2(OCTN2)与前列腺癌细胞对奥沙利铂化疗敏感性的相关性。方法 收集行前列腺癌
根治术患者的前列腺癌组织标本,采用免疫组化法检查组织中的OCTN2蛋白表达;培养标本原代细胞得到前列腺癌细胞株。采
用电感耦合等离子体质谱法检测癌细胞对低浓度(0.1 μmol/L)奥沙利铂的摄取量,采用Real time PCR及Western blot法检测癌细
胞中OCTN2 mRNA及蛋白的表达水平;选择OCTN2蛋白表达最高及最低的前列腺癌细胞株,采用三磷酸腺苷肿瘤药物敏感性检
测法(ATP-TCA)计算奥沙利铂对癌细胞的半数抑制浓度(IC50 );采用MTT法检测血药峰浓度奥沙利铂(50 μmol/L)对前列腺癌细
胞的抑制率。采用Spearman法分析前列腺癌细胞对奥沙利铂摄取量与奥沙利铂对前列腺癌细胞抑制率及OCTN2 mRNA表达的
相关性。结果 OCTN2定位于癌细胞膜;癌细胞对奥沙利铂的摄取量为0.283±0.264(n=12);不同癌细胞中OCTN2 mRNA和蛋
白表达差异明显;OCTN2 高表达的癌细胞对奥沙利铂的敏感性(IC50为 4.61 μmol/L)高于 OCTN2 低表达的癌细胞(IC50为 26.23
μmol/L)。奥沙利铂对癌细胞的抑制率为(25.4±10.8)%(n=12)。前列腺癌细胞对奥沙利铂的摄取量与奥沙利铂对前列腺癌细
胞的增殖抑制率及前列腺癌细胞中OCTN2 mRNA表达水平三者间存在相关性(P<0.05)。结论 OCTN2高表达可能促进前列腺
癌细胞对奥沙利铂的摄取,其表达水平可作为预测前列腺癌细胞对奥沙利铂化疗敏感性的参考依据之一。
关键词 新型有机阳离子转运体2;奥沙利铂;前列腺癌细胞;化疗敏感性
Correlation of OCTN2 with the chemosensitivity of prostate cancer cells to oxaliplatin
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CHU Lei ,XU Bin ,SHA Dehou ,WANG Lei ,CHENG Guangzhou ,ZHANG Jidong(1. Dept. of Urology, the
Affiliated Tengzhou Hospital of Xuzhou Medical University, Shandong Zaozhuang 277500, China;2. Dept. of
Urology, the Affiliated Tengzhou Central People’s Hospital of Jining Medical University, Shandong Zaozhuang
277500, China;3. Institute of Traditional Chinese Medicine Innovation, Shandong University of Traditional
Chinese Medicine, Jinan 250355, China;4. Dept. of Clinical Laboratory, Maternal and Child Health Care
Hospital of Zaozhuang, Shandong Zaozhuang 277100, China;5. Dept. of Laboratory, the Affiliated Tengzhou
Central People’s Hospital of Jining Medical University, Shandong Zaozhuang 277500, China)
ABSTRACT OBJECTIVE To study the correlation of novel organic cation transporter 2 (OCTN2) with the chemosensitivity of
prostate cancer cells to oxaliplatin. METHODS Tumor samples of patients receiving radical prostatectomy were collected, and
OCTN2 protein was detected with immunohistochemistry; the primary cells of the specimen were cultivated to obtain prostate
cancer cell line. Inductively coupled plasma mass spectrometry was used to detect the uptake of low concentration (0.1 μmol/L) of
oxaliplatin by cancer cells. Real-time PCR and Western blot were used to detect the mRNA and protein expressions of OCTN2 in
cancer cells; the prostate cancer cells with the highest and lowest expression of OCTN2 protein were selected, and IC50 of
oxaliplatin to prostate cancer cells was analyzed by ATP-TCA method. The inhibitory rate of plasma peak concentration of
oxaliplatin (50 μmol/L) to prostate cancer cells was detected
Δ 基金项目 徐州医科大学附属医院发展基金资助项目(No.
by MTT assay. Spearman method was used to analyze the
XYFY2021038);济宁医学院青年教师科研扶持基金资助项目(No.
relationship of the uptake of oxaliplatin by prostate cancer cells
JY2017FS034)
with inhibitory rate of oxaliplatin to prostate cancer cells and
*第一作者 主治医师,博士。研究方向:泌尿系肿瘤。E-mail:
505916443@qq.com mRNA expressions of OCTN2. RESULTS OCTN2 was
# 通信作者 主 管 技 师 。 研 究 方 向 :临 床 检 验 。 E-mail: located on the membrane of cancer cells, and the uptake of
zjdtztougao@163.com oxaliplatin by cancer cells was 0.283±0.264 (n=12). The
· 1468 · China Pharmacy 2023 Vol. 34 No. 12 中国药房 2023年第34卷第12期