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Chinese Journal of Clinical Pharmacology and Therapeutics ›› 2017, Vol. 22 ›› Issue (10): 1117-1122.

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Effects of obatoclax plus 5-Fluorouracil on the epithelial mesenchymal transition of pancreatic cancer cells under hypoxia

HOU Xinfang 1, SONG Haiyan 2, ZHOU Zhixin 3, DENG XiaoHui 2, ZHANG Yimin 2, CHENG Huixin 4   

  1. 1 Department of Medical Oncology, Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, Henan, China; 2 School of Basic Medical Sciences, Xinxiang Medical University,Xinxiang 453003, Henan, China; 3 Editorial Department of Recent Advances in Ophthalmology, Xinxiang Medical University,Xinxiang 453003, Henan, China; 4 Department of Pathology, Xinxiang Central Hospital, Xinxiang 453000, Henan, China
  • Received:2017-02-28 Revised:2017-03-14 Online:2017-10-26 Published:2017-11-13

Abstract:

AIM: To explore the effect of obatoclax combined with 5-Fluorouracil (5-FU) in epithelial mesenchymal transition(EMT) of pancreatic cancer BxPC-3 cells and its possible mechanism. METHODS: MTT assay was performed to detect cell viability in hypoxic group, 5-FU group and obatoclax combined with 5-FU group. RT-qPCR and Western blotting were used to detect EMT-related genes and proteins expression in BxPC-3 cells of hypoxic group, 5-FU group and obatoclax combined with 5-FU group. RESULTS: Under hypoxia condition, obatoclax combined with 5-FU time-dependently inhibited BxPC-3 cell proliferation activity. Obatoclax combined with 5-FU further down-regulated the expression of transcription factors Snail and Slug, as well as mesenchymal markers N-Cadherin, Fibronectin, Collagen I and Vimentin. Obatoclax combined with 5-FU up-regulated the expression of epithelial marker E-Cadherin. CONCLUSION: Under hypoxia condition, obatoclax combined with 5-FU inhibit the viability of BxPC-3 cells. Obatoclax combined with 5-FU can up-regulate E-Cadherin and down-regulate N-Cadherin, Fibronectin, Collagen I and Vimentin through inhibiting Snail and Slug, thus inhibiting EMT, reducing migration and invasion ability of BxPC-3 cells.

Key words: epithelial mesenchymal transition, hypoxia, obatoclax, 5-Fluorouracil, pancreatic cancer

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