INJECTION OF DIGITALLY SYNTHESIZED SYNAPTIC CONDUCTANCE TRANSIENTS TO MEASURE THE INTEGRATIVE PROPERTIES OF NEURONS

被引:171
作者
ROBINSON, HPC [1 ]
KAWAI, N [1 ]
机构
[1] JICHI MED SCH,DEPT PHYSIOL,MINAMI KAWACHI,TOCHIGI 32904,JAPAN
关键词
CONDUCTANCE INJECTION; SYNAPTIC CONDUCTANCE; CURRENT-CLAMP; HIPPOCAMPAL NEURON;
D O I
10.1016/0165-0270(93)90119-C
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
A novel technique was developed for injecting a time-varying conductance into a neuron, to allow quantitative measurement of the processing of synaptic inputs. In current-clamp recording mode, the membrane potential was sampled continuously and used to calculate and update the level of injected current within 60 mus, using a real-time computer, so as to mimic the electrical effect of a given conductance transient. Cellular responses to synthetic conductance transients modelled on the fast (non-N-methyl-D-aspartate) phase of the glutamatergic postsynaptic potential were measured in cultured rat hippocampal neurons.
引用
收藏
页码:157 / 165
页数:9
相关论文
共 22 条
[1]  
BARRETT JN, 1974, J PHYSL, V293, P325
[2]   NMDA AND NON-NMDA RECEPTORS ARE CO-LOCALIZED AT INDIVIDUAL EXCITATORY SYNAPSES IN CULTURED RAT HIPPOCAMPUS [J].
BEKKERS, JM ;
STEVENS, CF .
NATURE, 1989, 341 (6239) :230-233
[3]   SLOW EXCITATORY POSTSYNAPTIC CURRENTS MEDIATED BY N-METHYL-D-ASPARTATE RECEPTORS ON CULTURED MOUSE CENTRAL NEURONS [J].
FORSYTHE, ID ;
WESTBROOK, GL .
JOURNAL OF PHYSIOLOGY-LONDON, 1988, 396 :515-533
[4]   IMPROVED PATCH-CLAMP TECHNIQUES FOR HIGH-RESOLUTION CURRENT RECORDING FROM CELLS AND CELL-FREE MEMBRANE PATCHES [J].
HAMILL, OP ;
MARTY, A ;
NEHER, E ;
SAKMANN, B ;
SIGWORTH, FJ .
PFLUGERS ARCHIV-EUROPEAN JOURNAL OF PHYSIOLOGY, 1981, 391 (02) :85-100
[5]   ANALYSIS OF EXCITATORY SYNAPTIC ACTION IN PYRAMIDAL CELLS USING WHOLE-CELL RECORDING FROM RAT HIPPOCAMPAL SLICES [J].
HESTRIN, S ;
NICOLL, RA ;
PERKEL, DJ ;
SAH, P .
JOURNAL OF PHYSIOLOGY-LONDON, 1990, 422 :203-225
[6]   A QUANTITATIVE DESCRIPTION OF MEMBRANE CURRENT AND ITS APPLICATION TO CONDUCTION AND EXCITATION IN NERVE [J].
HODGKIN, AL ;
HUXLEY, AF .
JOURNAL OF PHYSIOLOGY-LONDON, 1952, 117 (04) :500-544
[7]   IMPULSES AND RESTING MEMBRANE-PROPERTIES OF SMALL CULTURED RAT HIPPOCAMPAL-NEURONS [J].
JOHANSSON, S ;
FRIEDMAN, W ;
ARHEM, P .
JOURNAL OF PHYSIOLOGY-LONDON, 1992, 445 :129-140
[8]   PATCH CLAMP ANALYSIS OF EXCITATORY SYNAPTIC CURRENTS IN GRANULE CELLS OF RAT HIPPOCAMPUS [J].
KELLER, BU ;
KONNERTH, A ;
YAARI, Y .
JOURNAL OF PHYSIOLOGY-LONDON, 1991, 435 :275-293
[9]   NON-LINEAR INTERACTIONS IN A DENDRITIC TREE - LOCALIZATION, TIMING, AND ROLE IN INFORMATION-PROCESSING [J].
KOCH, C ;
POGGIO, T ;
TORRE, V .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA-BIOLOGICAL SCIENCES, 1983, 80 (09) :2799-2802