Observation of bone marrow-derived mesenchymal stem cells targeting glioma with in vivo bioluminescence imaging
- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF NEUROMEDICINE
- Issue:
- 6
- DOI:
- 10.3760/cma.j.issn.1671-8925.2010.06.002
- Key Word:
- 神经胶质瘤;间充质干细胞;趋化作用;活体监测;Glioma;Mesenchymal stem cells;Chemotaxis;Biolumineseence imaging
Abstract： Objective To explore the intracranial distribution of bone marrow-derived mesenchymal stem cells (BMSCs) and the ability of BMSCs shifting to glioma tissue.Methods We isolated BMSCs from the rats and constructed a BMSCsRL model that can stably express Renilla luciferase (RL).And 9L glioma cells marked with PKH26 were implanted into the brain parenchyma of Fischer rat using stereotactic surgery;7 d after that, the BMSCsRL was implanted into the contralateral brain parenchyma.The intracranial distribution of BMSCsRL was detected by using Xenogen bioluminescance imaging (BLI);at the same time,the migration of BMSCsRL into the glioma tissue was observed using Transwell plates.Results Phenotypical properties of the isolated BMSCs were CD90 and CD44 positive.BMSCs could be targeted to glioma tissue.In vivo BLI showed that the BMSCs shifted to the glioma tissue 0,7 and 14 d after transplantation and the junction area between tumor tissue and normal tissue was much more obvious than the other areas.Conclusion These results confirm the migratory capability of BMSCs over considerable distances, suggesting that BMSCs can be used as a delivery vehicle for targeted therapy of glioma.
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