TETANUS TOXIN AND AMINO ACID LEVELS IN CAT SPINAL CORD

被引:19
作者
JOHNSTON, GA
DEGROAT, WC
CURTIS, DR
机构
[1] Department of Physiology, Australian National University, Canberra
关键词
D O I
10.1111/j.1471-4159.1969.tb06459.x
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Abstract— —The levels of the depressant amino acids found in appreciable amounts in cord extracts—α‐alanine, cystathionine, GABA, glycine and serine—were not significantly influenced by tetanus toxin. This supports the view that the antagonism of spinal inhibition by the toxin is the result of an interference with transmitter release rather than a reduction in the amount of transmitter available for release. The marked increase in aspartic acid levels found in the spinal cord after treatment with tetanus toxin may reflect the association of aspartic acid with the increased activity of spinal excitatory interneurones or the involvement of aspartic acid as a glycine precursor in spinal tissue. Copyright © 1969, Wiley Blackwell. All rights reserved
引用
收藏
页码:797 / &
相关论文
共 24 条
[1]   ACCELERATED CHROMATOGRAPHIC ANALYSIS OF AMINO ACIDS COMMONLY FOUND IN PHYSIOLOGICAL FLUIDS ON A SPHERICAL RESIN OF SPECIFIC DESIGN [J].
BENSON, JV ;
PATTERSON, JA .
ANALYTICAL BIOCHEMISTRY, 1965, 13 (02) :265-+
[2]   THE ACTION OF TETANUS TOXIN ON THE INHIBITION OF MOTONEURONES [J].
BROOKS, VB ;
CURTIS, DR ;
ECCLES, JC .
JOURNAL OF PHYSIOLOGY-LONDON, 1957, 135 (03) :655-672
[3]   AN INTRACELLULAR STUDY OF THE ACTION OF REPETITIVE NERVE VOLLEYS AND OF BOTULINUM TOXIN ON MINIATURE END-PLATE POTENTIALS [J].
BROOKS, VB .
JOURNAL OF PHYSIOLOGY-LONDON, 1956, 134 (02) :264-277
[4]  
CURTIS D R, 1968, Brain Research, V10, P208, DOI 10.1016/0006-8993(68)90123-6
[5]  
CURTIS DR, 1963, PHARMACOL REV, V15, P333
[6]   THE CHEMICAL EXCITATION OF SPINAL NEURONES BY CERTAIN ACIDIC AMINO ACIDS [J].
CURTIS, DR ;
PHILLIS, JW ;
WATKINS, JC .
JOURNAL OF PHYSIOLOGY-LONDON, 1960, 150 (03) :656-682
[7]  
CURTIS DR, 1968, EXP BRAIN RES, V5, P235
[8]  
CURTIS DR, 1968, EXP BRAIN RES, V6, P1
[9]   CHANGES IN AMINO ACID CONCENTRATIONS ASSOCIATED WITH LOSS OF SPINAL INTERNEURONS [J].
DAVIDOFF, RA ;
GRAHAM, LT ;
SHANK, RP ;
WERMAN, R ;
APRISON, MH .
JOURNAL OF NEUROCHEMISTRY, 1967, 14 (10) :1025-+
[10]   DISTRIBUTION OF SOME SYNAPTIC TRANSMITTER SUSPECTS IN CAT SPINAL CORD - GLUTAMIC ACID ASPARTIC ACID GAMMA-AMINOBUTYRIC ACID GLYCINE AND GLUTAMINE [J].
GRAHAM, LT ;
SHANK, RP ;
WERMAN, R ;
APRISON, MH .
JOURNAL OF NEUROCHEMISTRY, 1967, 14 (04) :465-&