Chinese Journal of Tissue Engineering Research ›› 2016, Vol. 20 ›› Issue (41): 6158-6163.doi: 10.3969/j.issn.2095-4344.2016.41.012

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Effect of transplantation of bone marrow mesenchymal stem cells on gastric cancer cell line SGC7901 in a rat model of gastric cancer

Chen Chao1, Li Hai-tao2   

  1. 1Department of Pathology, 2Department of Surgery, Zunhua City People’s Hospital, Zunhua 064200, Hebei Province, China
  • Revised:2016-08-01 Online:2016-10-07 Published:2016-10-07
  • About author:Chen Chao, Master, Physician, Department of Pathology, Zunhua City People’s Hospital, Zunhua 064200, Hebei Province, China

Abstract:

BACKGROUND: Bone marrow mesenchymal stem cells can migrate into tumor tissues, as reported in recent studies.
OBJECTIVE: To investigate the tropism and effect of transplantation of bone marrow mesenchymal stem cells on proliferation and differentiation of gastric cancer cell line SGC7901 in rats.
METHODS: Gastric cancer models were established in Sprague-Dawley rats by subcutaneous injection of gastric cancer cell line SGC7901, and then, in cell transplantation group, each rat underwent an intraperitoneal injection of 1×107 bone marrow mesenchymal stem cells. After transplantation, the targeting ability of bone marrow mesenchymal stem cells was detected using fluorescent DiI labeling. Cyclin D2 mRNA and protein expressions were measured using real-time PCR and western blot assay, respectively. Apoptosis of gastric cancer cells was observed by in situ terminal labeling method.
RESULTS AND METHODS: Bone marrow mesenchymal stem cells successfully migrated into the gastric cancer site in rats. The expression levels of cyclin D2 mRNA and protein in the cell transplantation group were significantly higher than those in the model group (P < 0.05). It was observed that the number of apoptotic cancer cells was significantly reduced in the cell transplantation group compared with the model group (P < 0.05). These findings indicate that bone marrow mesenchymal stem cells have the ability to migrate into the tumor sites, thereby promoting the proliferation of gastric cancer cells.

 

 

Key words: Bone Marrow, Mesenchymal Stem Cell Transplantation, Stomach Neoplasms, Cyclin D, Tissue Engineering

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