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Cografts of Adrenal Medulla and Peripheral Nerve in a Mouse Model of Parkinson's Disease Isao DATE 1 , Shoji ASARI 1 , Akira NISHIMOTO 1 , David FELTEN 2 1Department of Neurological Surgery, Okayama University Medical School 2Department of Neurobiology, University of Rochester Keyword: Neural transplantation , Adrenal medulla , Cograft , Peripheral nerve pp.811-815
Published Date 1991/9/10
DOI https://doi.org/10.11477/mf.1436900315
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Abstract

Systemic injection of MPTP damages the nigrostriat-al dopaminergic system in C57B1/6 mice. Since trans-ected peripheral nerve segments are known to produce nerve growth factor, we performed adrenal medullary grafts or cografts of adrenal medulla and sciatic nerve into the striatum of MPTP-treated mice, and compared the survivability of grafted chromaffin cells and the re-covery of intrinsic host dopaminergic fibers. Survivabil-ity of grafted chromaffin cells increased when cografts with sciatic nerve were made, and host dopaminergic fi-ber recovery was more prominent in mice with cografts than in mice with adrenal grafts alone. The degree of recovery of host intrinsic clopaminergic fibers was grea-ter in younger host striatum than in older host striatum. We conclude that cografts of adrenal medulla and scia-tic nerve increase the survivability of grafted chromaf-fin cells better than adrenal medullary grafts alone, and that survivability of grafted chromaffin cells promotes host dopaminergic fiber recovery.


Copyright © 1991, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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