Résumé
BACKGROUND:Transplantation of bone marrow mesenchymal stem cells can promote repair of brain injuries in animals. OBJECTIVE:To summarize the research progress in intranasal delivery of bone marrow mesenchymal stem cells to the brain. METHODS:A computer-based online retrieval of PubMed and Wanfang databases was performed to search papers published during January 1999 to January 2014 with the key words of“bone marrow mesenchymal stem cells, brain injury, transplantation”in English and Chinese. Thirty-eight papers were included in the final analysis. RESULTS AND CONCLUSION:Nowadays, many studies have been certified that the transplantation of bone marrow mesenchymal stem cells can significantly ameliorate the function of cranial nerve in animal models of brain injury. Many researchers have searched for the transplantation methods and approaches and have made progresses in many aspects. In this article, we compare the different transplantation ways of bone marrow mesenchymal stem cells to the brain. We focus on the intranasal transplantation route in the fol owing aspects:processing of the nasal mucosa;delivery route to the brain;labeling and intracranial observation of stem cells;animal experiments. We conclude that the intranasal delivery of bone marrow mesenchymal stem cells to the brain has a wide clinical application as a noninvasive transplantation.