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A Method of Horizontally Sliced Preparation of the Retina.
MedLine Citation:
PMID:  23150369     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Various types of retinal neurons, including amacrine, ganglion, and horizontal cells, expand neurites (dendrites or axons) in horizontal direction and make synaptic or electrical contacts with other cells to integrate the visual information. Many types of ion-channels and receptors are located along these neurites, and these horizontal connections critically contribute to the information processing in the retinal circuits. However, many of previous electrophysiological and immunocytochemical studies employed slice preparations cut by vertical direction in which most of these cells and their neurites were severely damaged and removed. This might lead to the underestimation of active and passive conductance in horizontally expanding neurites, and also missing of morphological information of horizontal structures. Here, we describe an alternative slicing method of horizontally cut preparation of the retina. The slice is made horizontally at the inner layer of the retina using a vibratome slicer after the retina is embedded in the low-temperature melting agarose gel. This horizontal slice preparation enables us to directly access cells in the inner retina by patch-clamp recording, calcium imaging, single RT-PCR, and immunocytochemistry. The method described here would offer an alternative strategy for studying the functions of neurons and neural circuits in the retina.
Authors:
Ryosuke Enoki; Amane Koizumi
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Publication Detail:
Type:  JOURNAL ARTICLE    
Journal Detail:
Title:  Methods in molecular biology (Clifton, N.J.)     Volume:  935     ISSN:  1940-6029     ISO Abbreviation:  Methods Mol. Biol.     Publication Date:  2013  
Date Detail:
Created Date:  2012-11-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9214969     Medline TA:  Methods Mol Biol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  201-205     Citation Subset:  -    
Affiliation:
Photonic Bioimaging Center, Hokkaido University Graduate School of Medicine, Sapporo, Japan, noki@pop.med.hokudai.ac.jp.
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