Journal of Okayama Medical Association
Published by Okayama Medical Association

Full-text articles are available 3 years after publication.

ep系マウスの脳代謝におよぼすparabiosisの影響に関する実験的研究 第2編 ep系マウス大脳のcholinesterase活性値およびacetylcholin含有量におよぼすparabiosisの影響について

Masukawa, Sadahiko
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Parabiosis was performed between an ep-mouse, having had convulsive seizures, and a CF(1)-mouse, one of the normal other species, and biochemical changes as to cholinesterase activity and acetylcholine content in the brain induced by this procedure were investigated. The results of this experiment were as follows: 1. Cholinesterase activity was significantly low in the brain of the ep-mouse compared with the CF(1)-mouse. This difference was averaged by parabiosis formation, and both activities were decreased to the preparabiosis level of the ep-mouse at the 12 th postparabiosis day. 2. Total acetylcholine content was definitely large in the brain of the ep-mouse compared with the CF(1)-mouse, but it was rapidly recovered to the preparabiosis level of the CF(1)-mouse. In contrast to it, the content in the CF(1)-mouse remained unchanged throughout the postparabiosis period.