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Sequestration of tetanus toxin in developing neuronal cell cultures

✍ Scribed by Ziva Yavin; Dr. Ephraim Yavin; Leonard D. Kohn

Book ID
102908299
Publisher
John Wiley and Sons
Year
1982
Tongue
English
Weight
847 KB
Volume
7
Category
Article
ISSN
0360-4012

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✦ Synopsis

Abstract

Cultivation of pure populations of cerebral cells and the unambiguous identification of the neuronal and glial elements is a prerequisite for studying biochemical parameters associated with the developing nervous system under in vitro controlled conditions. We now report on sequestration of tetanus toxin, an exclusive marker for the neuronal cell surface, into a cellular compartment which prevents its release by neuraminidase. This compartment is associated with cellular elements remaining after detergent extraction of neuronal cells grown in monolayer cultures. Toxin sequestration into this compartment is preceded by a neuraminidase‐sensitive receptor mediated binding process which can be correlated with the appearance of lipid‐bound sialic acid in developing neuronal cultures.

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