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Transplantation Technologies & Research

ISSN: 2161-0991

Open Access

Neural Transplant

Neural transplantation holds great potential to promote structural repair and functional recovery within the central nervous system. The basic concept is the replacement of degenerated cells by the implantation of new cells that repopulate damaged brain areas to restore local neuronal circuitries and neurotransmission, and thereby, brain function.

Neural transplantation has recently emerged as an exciting extension of neural regeneration and plasticity studies. Grafts of peripheral and central nervous tissue have been shown to be viable after implantation in a variety of locations in adult animals' brain and spinal cord, and survival data are impressive. Donor tissue is optimal when harvested from fetuses, and successful growth and differentiation of neural grafts have been demonstrated in host animals in a broad age range. A variety of morphologic, physiologic, and behavioral parameters suggest a certain degree of integration of graft tissue into the host central nervous system, although technical limitations do not yet allow definitive statements regarding the extent of functional reinnervation. Perhaps the most promising and innovative of current studies are those that utilize a combination of peripheral and central neural tissue as transplant material.

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