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Neurosci Lett. 2002 Apr 12;322(3):177-81.

Bullfrog retinal bipolar cells may express heterogeneous glycine receptors at dendrites and axon terminals.

Author information

1
Institute of Neurobiology, Fudan University, 220 Han-Dan Road, Shanghai 200433, China. jldu@fudan.edu.cn

Abstract

Subcellular localization and properties of glycine receptors on bipolar cells (BCs) were studied using whole-cell recordings and non-stationary noise analysis (NSNA) in bullfrog retinal slices. The currents elicited by focally applied glycine were of comparable amplitudes at the dendrites and axon terminals of both OFF and ON BCs. Moreover, glycine receptors were also expressed at the axons of some BCs. NSNA revealed that the weighted mean single-channel conductance of the glycine receptors at the dendrites (18.2 pS) was significantly larger than that of those at the axon terminals (8.1 pS), thus implying that the glycine receptors on bullfrog retinal BCs may be heterogeneous at these two sites.

PMID:
11897167
DOI:
10.1016/s0304-3940(01)02523-x
[Indexed for MEDLINE]

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