CHOLINERGIC STIMULATION ENHANCES LONG-TERM POTENTIATION IN THE CA1 REGION OF RAT HIPPOCAMPUS

被引:172
作者
BLITZER, RD
GIL, O
LANDAU, EM
机构
[1] MT SINAI MED CTR,DEPT PHARMACOL,NEW YORK,NY 10029
[2] VET ADM MED CTR,PSYCHIAT SERV,BRONX,NY 10468
关键词
Acetylcholine; Carbachol; Hippocampus; Long-term potentiation; Rat; Synaptic plasticity;
D O I
10.1016/0304-3940(90)90835-W
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
The effect of the cholinergic agonist carbachol on a putative substrate for memory (long-term potentiation; LTP) was investigated in slices of rat hippocampus (CA1 region). Carbachol (5 μM) increased LTP when the presynaptic depression of the EPSP was controlled. The results indicate that carbachol enhances the effectiveness of the tetanus, probably through postsynaptic mechanisms. This effect may have implications for the role of acetylcholine in memory and the use of cholinergics in memory disorders. © 1990.
引用
收藏
页码:207 / 210
页数:4
相关论文
共 23 条
[1]  
ANDERSEN P, 1980, J PHYSIOL-LONDON, V302, P463
[2]   THE CHOLINERGIC HYPOTHESIS OF GERIATRIC MEMORY DYSFUNCTION [J].
BARTUS, RT ;
DEAN, RL ;
BEER, B ;
LIPPA, AS .
SCIENCE, 1982, 217 (4558) :408-417
[3]   AN ANALYSIS OF THE DEPOLARIZATION PRODUCED IN GUINEA-PIG HIPPOCAMPUS BY CHOLINERGIC RECEPTOR STIMULATION [J].
BENSON, DM ;
BLITZER, RD ;
LANDAU, EM .
JOURNAL OF PHYSIOLOGY-LONDON, 1988, 404 :479-496
[4]  
BERNARDO LS, 1982, BRAIN RES, V249, P333
[5]   LONG-TERM SYNAPTIC POTENTIATION [J].
BROWN, TH ;
CHAPMAN, PF ;
KAIRISS, EW ;
KEENAN, CL .
SCIENCE, 1988, 242 (4879) :724-728
[6]  
GUSTAFSSON B, 1987, J NEUROSCI, V7, P774
[7]   LONG-TERM POTENTIATION OF GUINEA-PIG MOSSY FIBER RESPONSES IS NOT BLOCKED BY N-METHYL D-ASPARTATE ANTAGONISTS [J].
HARRIS, EW ;
COTMAN, CW .
NEUROSCIENCE LETTERS, 1986, 70 (01) :132-137
[8]   PRESYNAPTIC INHIBITORY ACTION OF ACETYLCHOLINE IN AREA CA1 OF THE HIPPOCAMPUS [J].
HOUNSGAARD, J .
EXPERIMENTAL NEUROLOGY, 1978, 62 (03) :787-797
[9]   ELECTRO-PHYSIOLOGICAL AND PHARMACOLOGICAL CHARACTERISTICS OF FACILITATION OF HIPPOCAMPAL POPULATION SPIKES BY STIMULATION OF THE MEDIAL SEPTUM [J].
KRNJEVIC, K ;
ROPERT, N .
NEUROSCIENCE, 1982, 7 (09) :2165-&
[10]   FUNCTION RECOVERY FOLLOWING NEURAL TRANSPLANTATION OF EMBRYONIC SEPTAL NUCLEI IN ADULT-RATS WITH SEPTOHIPPOCAMPAL LESIONS [J].
LOW, WC ;
LEWIS, PR ;
BUNCH, ST ;
DUNNETT, SB ;
THOMAS, SR ;
IVERSEN, SD ;
BJORKLUND, A ;
STENEVI, U .
NATURE, 1982, 300 (5889) :260-262