Effect of fetal cerebellar tissue transplantation on the restoration of hind limb locomotor function in rats with spinal cord injury

Home/2016, Vol. 4, No. 2/Effect of fetal cerebellar tissue transplantation on the restoration of hind limb locomotor function in rats with spinal cord injury

Cell and Organ Transplantology. 2016; 4(2):175-180.
DOI: 10.22494/COT.V4I2.57 

Effect of fetal cerebellar tissue transplantation on the restoration of hind limb locomotor function in rats with spinal cord injury

Medvediev V. V.1, Senchyk Yu. Yu.2, Draguntsova N. G.3, Dychko S. M.3Tsymbaliuk V. I.1,3
1Bogomolets National Medical University, Kyiv, Ukraine
2Kyiv City Clinical Emergency Hospital, Kyiv, Ukraine
3AP. Romodanov State Institute of Neurosurgery NAMS Ukraine, Kyiv, Ukraine

Fetal cerebellar tissue contains the largest number of neurogenic progenitors committed on the differentiation into glutamatergic neurons that can be used in the development of promising new treatment for spinal cord injuries.
To evaluate the effect of fetal cerebellar tissue transplantation (FСTT) on the restoration of motor function after spinal cord injury in experiment.
Materials and methods. Animals: inbred albino Wistar rats (5.5 months males, weighting 300 grams); main experimental groups: 1 – spinal cord injury + transplantation of a fragment of fetal (E18) rat cerebellum (n = 15), 2 – spinal cord injury only (n = 40). Model of an injury – left-side spinal cord hemisection at Т11; monitoring of the ipsilateral hind limb function (IHLF) – the Вasso-Вeattie-Вresnahan (BBB) scale.
Results. FСTT normalizes the distribution of IHLF values, distorts the dynamics of the motor function recovery, transforming it from a progressive (in a control group) to the constant with variation within 3-3.6 points BBB during the experiment. FСTT causes early temporary positive effect on the functional state of the motor system, probably provided by mediator-dependent, neuroprotective, proangiogenic effect and remyelination. In our view, the gradual depletion of the FСTT positive effect due to resorption of the graft within the first 2 months is compensated by autoregenerative neoplastic process that is typical for the control group and by autoimmune utilization of myelin-associated inhibitors of axonal growth in the zone of injury that causes stability of the IHLF value during the observation period.
Conclusion. Transplantation of fetal cerebellar tissue causes a short-term positive effect on the motor function recovery limited by the 1st month of the traumatic process. Evaluation of such type of neurotransplantation effectiveness requires taking into account the dynamics of the spasticity and chronic pain.

Key words: spinal cord injury; fetal nervous tissue transplantation; motor function recovery; posttraumatic spasticity


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Medvediev VV, Senchyk YuYu, Draguntsova NG, Dychko SM, Tsymbaliuk VI. Effect of fetal cerebellar tissue transplantation on the restoration of hind limb locomotor function in rats with spinal cord injury. Cell and Organ Transplantology. 2016; 4(2):175-180. doi:10.22494/COT.V4I2.57


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