PMID: 9427962Jan 15, 1998Paper

TRH-analog, TA-0910 (3-methyl-(s)-5,6-dihydroorotyl-L-histidyl-L-prolinamide) rescues motor neurons from axotomy-induced cell death

Neurological Research
Y IwasakiM Kinoshita

Abstract

TA-0910 (3-methyl-(s)-5,6-dihydroorotyl-L-histidyl-L-prolinamide) is a potent and long acting TRH analog. We have studied the effect of TA-0910 on axotomy-induced neuronal death. The left sciatic nerve was transected in neonatal rats. TA-0910 or vehicle was administered on consecutive 14 days with intraperitoneal injections. After the treatment, the number of spinal motor neurons and the motor neuron diameter was assessed at the level of L4-6 segments. In comparison with vehicle, TA-0910 significantly prevented the death of motor neurons and preserved the motor neuron diameter on the lesioned side. These results suggest that TA-0910 is a survival factor for developing spinal motor neurons.

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