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Orthopedic Journal of China ; (24)2006.
Artigo em Chinês | WPRIM | ID: wpr-543480

RESUMO

[Objective]To investigate the therapy of human enbryonic olfactory ensheathing cells(hOECs) transplantation on adult rats' transected spinal cord.[Method]Separated,cultured hOECS from abortus were obtained and percent age of P75 positive cells was calculated.Twenty-four Wistar rats were choosen and divided into experimental group and control group randomly.All rats of two goups were transected at the T_(10) segment of spinal cord.Nine to ten days later 5 ul(2.5?10~5) hOECs(labled by Hoechst 33342) were injected in the contusion area of lesion site in transplantation group.In control group same volume of DMEM-F12 were transplanted.1,2,4,6,8 and 10 weeks later all rats were estimated by system of the BBB locomotion score respectively.Then part of them were killed.The tissue section of spinal cords were separated and inspected by fluorescence microscope or the methods of immunohistochemical staining.Data were processed with statistical tools in double-blinded condition.[Result]Transplanted hOECs can survive for at least ten weeks and even migrated from the injuried area in spinal cord.From 4 weeks to 10 weeks the BBB locomotion scores of experimental group were improved significantly contrasting to that of control group(P

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