Chinese Journal of Tissue Engineering Research ›› 2014, Vol. 18 ›› Issue (32): 5173-5177.doi: 10.3969/j.issn.2095-4344.2014.32.015

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Hearing restoration in a deaf animal model with transplantation of adipose-derived mesenchymal stem cells from guinea pigs

Wang Xiao-yan1, Ji Bin1, Li Bing-bing2, Bi Xiao-juan3, Liu Li-zhong4   

  1. 1Department of Otorhinolaryngology, 3Medical Research Center, 4Department of Cadres, First Affiliated Hospital of Xinjiang Medical University, Urumqi 830054, Xinjiang Uygur Autonomous Region, China; 2Department of Orthopedics, the First Hospital of Putian City, Putian 351100, Fujian Province, China
  • Received:2014-07-05 Online:2014-08-06 Published:2014-09-18
  • Contact: Liu Li-zhong, M.D., Chief physician, Department of Cadres, First Affiliated Hospital of Xinjiang Medical University, Urumqi 830054, Xinjiang Uygur Autonomous Region, China
  • About author:Wang Xiao-yan, Studying for master’s degree, Department of Otorhinolaryngology, First Affiliated Hospital of Xinjiang Medical University, Urumqi 830054, Xinjiang Uygur Autonomous Region, China
  • Supported by:

    the Natural Science Foundation of Xinjiang Uygur Autonomous Region, No. 2011211A060

Abstract:

BACKGROUND: Can adipose-derived mesenchymal stem cells be used to treat sensorineural deafness caused by hair cell degeneration and loss?
OBJECTIVE: To investigate the effect of adipose-derived mesenchymal stem cells from guinea pigs transplanted via the scala tympani on the recovery from sensorineural hearing in an animal model.
METHODS: Intraperitoneal injection of gentamicin was performed to prepare sensorineural deafness models in guinea pigs. Then, adipose-derived mesenchymal stem cells from guinea pig were transplanted via the scala tympani. After 1 and 3 weeks, auditory brainstem responses were detected to observe the hearing variation after adipose-derived mesenchymal stem cell transplantation. Meanwhile, the migration and distribution of EDU-labeled adipose-derived mesenchymal stem cells in the cochlea were traced.
RESULTS AND CONCLUSION: After 1 and 3 weeks of implantation, the results from auditory brainstem response showed that the hearing was gradually improved. At 1 week of implantation, most of the cells were distributed in the perilymph and some cells migrated to the Corti organ and attached to the basement membrane. At 3 weeks of implantation, cells migrated and attached to the basement membrane of Corti organ, furthermore, some cells migrated to the cochlear nerve. The longer the time of implantation, the less cell survived. The results indicate that adipose-derived mesenchymal stem cells from guinea pig that are transplanted via the scala tympani can directly migrate and survive ultimately to improve the hearing.


中国组织工程研究杂志出版内容重点:干细胞;骨髓干细胞;造血干细胞;脂肪干细胞;肿瘤干细胞;胚胎干细胞;脐带脐血干细胞;干细胞诱导;干细胞分化;组织工程


全文链接:

Key words: adipose tissue, mesenchymal stem cells, hearing loss, sensorineural, cochlea

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