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山东大学学报(医学版)

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蝎毒多肽提取物抑制胰腺癌
肝转移作用的实验研究

崔亚洲1,贾青2,王兆朋2,王朝霞2,张月英2,张维东2,韩金祥1
  

  1. (1. 山东省医药技术研究中心, 卫生部生物技术药物重点实验室,山东省现代医用药物与
    技术重点实验室,济南 250062; 2.山东省医学科学院基础医学研究所,济南 250062)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-03-16 发布日期:2009-03-16
  • 通讯作者: 韩金祥

Polypeptide extract from scorpion venom inhibits
liver metastasis in pancreatic cancer

CUI Yazhou1, JIA Qing2, WANG Zhaopeng2, WANG Zhaoxia2,
ZHANG Yueying2, ZHANG Weidong2, HAN Jinxiang1

  

  1. (1. Shandong Medicinal Biotechnology Center, Key Laboyatory for BiotechDrugs Ministry of Health,
    Key Laboratory for Modern Medicine and Technology of Shandong Province, Jinan 250062, China;
    2. Institute of Basic Medcine, Shandong Academy of Medical Science, Jinan 250062, China)
  • Received:1900-01-01 Revised:1900-01-01 Online:2009-03-16 Published:2009-03-16
  • Contact: HAN Jinxiang

摘要: 目的探讨东亚钳蝎蝎毒多肽提取物(PESV)对胰腺癌肝转移的抑制作用。方法筛选出高肝转移的胰腺癌细胞亚型MIAPaCa23,用Transwell小室模型观察PESV对MIAPaCa23细胞体外侵袭能力的影响;尾静脉注射MIAPaCa23细胞建立高肝转移率的裸鼠胰腺癌模型,对比PESV和化疗药物吉西他滨(gemcitabine)以及抗血管生成剂TNP470对裸鼠胰腺癌肝转移的抑制作用。 结果PESV可以抑制MIAPaCa23细胞穿过人工基底膜的能力;PESV处理组肝转移抑制率为70%(7/10),与吉西他滨处理组相近(8/10),明显高于TNP470处理组(2/9)。结论PESV作为一种“抗血管-细胞毒”药物对胰腺癌肝转移具有明显的抑制作用。

关键词: 胰腺肿瘤, 肝肿瘤,实验性, 蝎毒素, 抗肿瘤药, 小鼠,裸, 主动脉瘤,手术;主动脉夹层;腔内隔绝,支架

Abstract: To explore the inhibitory effect of polypeptide extract from scorpion venom (PESV) on liver metastasis in pancreatic cancer. MethodsA subline of human pancreatic cancer cell line MIAPaCa2 (MIAPaCa23) with high liver metastasis potential was selected and injected through the tail vein to establish a pancreatic cancer model in nude mice with high liver metastasis. The capability of invasion in vitro was evaluated by a transwell chamber system. The inhibitory effects of PESV, chemotherapeutic agent gemcitabine, and angiogenesis inhibitor TNP470 on liver metastasis in the pancreatic cancer model were compared. ResultsThe capability of invasion of the MIAPaCa23 cells was significantly decreased by PESV, and liver metastasis was significantly inhibited in nude mice models (7/10) by PESV, which was similar to that in the gemcitabinetreated group (8/10) and higher than that in the TNP470treated group. ConclusionPESV, as a novel angiocytotoxic agent, has an inhibitory effect on liver metastasis in pancreatic cancer.

Key words: Pancreatic cancer, Liver,experimental, Scorpion venom, Antitumor drug, Mice,nude

中图分类号: 

  • R730.1
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