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Original

Erythropoietin does not preserve motor neurons in a mouse model of familial ALS

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Pages 31-35 | Received 23 Jan 2006, Accepted 02 May 2006, Published online: 10 Jul 2009
 

Abstract

Recombinant human EPO (r‐Hu‐EPO) protects cultured motor neurons from kainate‐ and serum deprivation‐induced toxicity and readily enters the CNS after systemic injection. We examined the effect of rHuEPO in transgenic mice expressing the human Cu/Zn dependent‐superoxide dismutase with G93A mutation (SOD1G93A), a model of familial amyotrophic lateral sclerosis. rHuEPO (4 unit/g BW s.c. three times/week), increased the haematocrit and induced a slight delay in impairment of motor function as measured by the rotating bar test. However, it did not prolong life span or reduce motor neuron loss in lumbar spinal cord. The effect on motor function may be due to the improvement of skeletal muscle oxygenation induced by chronic EPO administration.

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