[谷氨酸和天冬氨酸对鳐鱼罗伦氏壶腹电活动的影响]
[Effect of glutamic and aspartic amino acids on the electrical activity of the ampullae of Lorenzini in skates].
作者信息
Akoev G N, Andrianov Iu N, Sherman N O
出版信息
Fiziol Zh SSSR Im I M Sechenova. 1984 Mar;70(3):322-5.
PMID:6144583
Abstract
Perfusion of the basal membrane of the Lorenzini ampullae with 10(-4)-10(-6) M L-glutamic amino-acid, irrespective of the concentration of the amino-acid, produced reversible changes in resting firing rate depending only on initial resting rate. D-glutamic and L-aspartic acids exerted inhibitory effects of the electrical activity. The findings are consistent with the opinion that L-glutamic acid is the synaptic transmitter in the Lorenzini ampullae.
摘要
用10⁻⁴ - 10⁻⁶M的L - 谷氨酸氨基酸灌注洛伦兹尼壶腹的基底膜，无论氨基酸浓度如何，都会产生静息放电率的可逆变化，且仅取决于初始静息率。D - 谷氨酸和L - 天冬氨酸对电活动有抑制作用。这些发现与L - 谷氨酸是洛伦兹尼壶腹中的突触递质这一观点一致。
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