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Abstract
Rakei, S.M., Rahmanian, A., Saffarian, A., Shafeian, R. and Mehrabani, D. 2009. Function recovery after transplantation of fetal brain tissue into injured spinal cord in experimental rats. J. Appl. Anim. Res., 36: 303–306.
To determine the effect of transplantation of fetal brain tissue on regeneration of injured spinal cord and the limb function recovery, forty 30-week old male Sprague-Dawley 350–450 g rats were randomly and equally divided into two groups. In 5 pregnant rats the fetuses were removed and the embryonic brain tissues were sectioned into 0.05 mm segments under microscope. The vertebral column was exposed and a 0.1 mm segment of spinal cord medulla at the T10-T11 level was completely dissected in all rats of both groups. A 0.05 mm segment of rat fetus brain was implanted into the injured section of spinal cord of all rats in the case group. No further intervention was done in the control group. After 24 h lower extremity paraplegia was confirmed in all rats. After six weeks, no locomotor improvement was seen in the control group (Basso-Beattie-Bresnahan locomotor rating scale, BBB=0). 15% of rats in the case group had some degrees of recovery from spinal cord injury. Our findings suggest that fetal neural transplants could potentially be an effective surgical intervention for treatment of SCI even though more investigations are warranted.