alexa Anatomical and functional recovery by embryonic stem cell-derived neural tissue of a mouse model of brain damage.
Neurology

Neurology

Journal of Alzheimers Disease & Parkinsonism

Author(s): Chiba S, Ikeda R, Kurokawa MS, Yoshikawa H, Takeno M, , Chiba S, Ikeda R, Kurokawa MS, Yoshikawa H, Takeno M,

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Abstract We have treated undifferentiated mouse embryonic stem (ES) cells with all-trans retinoic acid (RA) to induce differentiation in vitro into neuron-like cells with good cell viability for use as a graft. Furthermore, we asked whether the RA-induced neuron-like cells restored neurological dysfunction. To this end, the cells were transplanted into right hemiplegia model of mice, developed by a cryogenic injury of motor cortex. Motor function of the recipients was gradually improved, whereas little improvement was observed in control mice. The lesion showed clustering of mature and almost mature neuron-like cells in mice transplanted with the RA-treated cells. The grafted cells had synaptic vesicles. This finding may suggest their maturation and synaptic connection in the recipient brain. Even though further study is necessary to elucidate molecular and cellular mechanisms responsible for the functional recovery, we consider that the ES cells may have advantage for use as a donor source in various neurological disorders including motor dysfunction. This article was published in J Neurol Sci and referenced in Journal of Alzheimers Disease & Parkinsonism

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