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NEUROBIOLOGICAL EFFECTS OF METHIONINESULFOXIMINE:A REVIEW Hisao IKEDA 2 1Dept. of NeurologicalReserch. Univ of British Columbia 2Dept. of Neuro-psychiatry, Okayama Univ pp.773-783
Published Date 1966/8/1
DOI https://doi.org/10.11477/mf.1406202089
  • Abstract
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Methionine sulfoximine is the principal toxic agent responsible for the peculiar behavioral which were prevalent among domestic dogs maintained on dog biscuit made of agenized flour at the turn of this century. This behavior had been known to be cha-racterized by a variety ofcolorful episodic events eventually leading to wild running and generalized convulsions. Although this peculial behavioral ma-nifestation had been variously called as hysteria, fright or psychomotor epilepsy in the past, the exact natur of the underlying neurobiological mechanism remained obscure.

In an attempt to gain insight into this problem, the authors have reviewed the relevant literature of the past with respect to behavioral manifestations, neurophysiological and biochemical correlates, as well as pathological consequences, and added some of the authors' own experiences in this area, including (1) a precise description and fractionation of episodic as well as background behavioral components, (2) the dis-closure of an entirely reversible nature, behaviorally and histologically, of the methionine sulfoximine synd-rome, (3) the revelation of audiogenic susceptibility of certain episodic behavioral components and their striking similarity to those of genetically determined audiogenic sensitive animali, and, finally, (4) the correlation of behavioral and brain electrical events following modification of brain of catecholamines, serotonin and acetylcholine. The significance of these findings is discussed in terms of possible directions that future investigations may take in order to throw light on this problem.


Copyright © 1966, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 2185-405X 印刷版ISSN 0006-8969 医学書院

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