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Cryosections for Immunocytochemistry

Published online by Cambridge University Press:  02 July 2020

Paul Webster
Paul Webster*
Affiliation:
House Ear Institute, 2100 West Third Street, Los Angeles, CA90057.
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Extract

Immunocytochemistry describes methods for visualization of specific intracellular molecules within cells. These methods use high affinity markers to specifically bind to target molecules in tissues or cells. For electron microscopy, the sites where these markers are bound are visualized using electron opaque probes. Successful immunocytochemistry depends upon immobilization of target molecules, retention of subcellular morphology, and upon total accessibility of affinity marker to the target molecules.

Accessibility to extracellular molecules is not usually a problem, but for intracellular molecules, labeling protocols must be able to preserve subcellular morphology and allow the affinity markers to gain access to their target molecules. Currently, the best way to gain access to the inside of cells for electron microscopy (TEM) is to cut thin sections through them. In this way, morphology is retained and affinity markers can be applied to the cut face of the cells.

Type
Low Temperature Methods for Immunolabeling of Cells and Tissues
Information
Microscopy and Microanalysis , Volume 6 , Issue S2: Proceedings: Microscopy & Microanalysis 2000, Microscopy Society of America 58th Annual Meeting, Microbeam Analysis Society 34th Annual Meeting, Microscopical Society of Canada/Societe de Microscopie de Canada 27th Annual Meeting, Philadelphia, Pennsylvania August 13-17, 2000 , August 2000 , pp. 302 - 303
Copyright
Copyright © Microscopy Society of America

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