Isolation and characterization of a 230 kDa protein (p230) specifically expressed in fetal brains: its involvement in neurite outgrowth from rat cerebral cortex neurons grown on monolayer of astrocytes.

Isolation and characterization of a 230 kDa protein (p230) specifically expressed in fetal brains: its involvement in neurite outgrowth from rat cerebral cortex neurons grown on monolayer of astrocytes. Research Abstract Details 

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Isolation and characterization of a 230 kDa protein (p230) specifically expressed in fetal brains: its involvement in neurite outgrowth from rat cerebral cortex neurons grown on monolayer of astrocytes. Abstract Text:

S Wakatsuki,S C Ho,M Arioka,M Yamasaki,K Kitamoto,

By screening with monoclonal antibodies (mAbs) raised against growth cone membrane fraction from fetal porcine brains, we have identified a 230 kDa antigen, termed p230. Western blot analysis of extracts from various tissues demonstrated that p230 is specifically expressed in brains, in which its expression is temporally restricted; it was especially prominent in the embryonic and the early postnatal stage, and decreased to subdetectable levels in the adult brain. Further characterization of p230 revealed that it is a peripherally-membrane associated, cell surface protein produced by astrocytes. Neurite outgrowth of E18 rat cerebral cortex neurons cultured on a monolayer of astrocytes was significantly reduced in the presence of anti-p230 polyclonal antibody. Partial amino acid sequences of p230 purified from fetal porcine brains were highly homologous to an extracellular matrix protein, tenascin-C. These lines of evidence suggest that p230, a tenascin-C-like molecule present in fetal porcine brains, plays important roles during early brain development, particularly in growth cone guidance.

Isolation and characterization of a 230 kDa protein (p230) specifically expressed in fetal brains: its involvement in neurite outgrowth from rat cerebral cortex neurons grown on monolayer of astrocytes. Publishing Authors By Initials

S Wakatsuki,SC Ho,M Arioka,M Yamasaki,K Kitamoto,

For similar proteins: scleroproteins: extracellular matrix proteins: tenascin research abstracts see: proteins: scleroproteins: extracellular matrix proteins: tenascin research

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Isolation and characterization of a 230 kDa protein (p230) specifically expressed in fetal brains: its involvement in neurite outgrowth from rat cerebral cortex neurons grown on monolayer of astrocytes. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Journal of biochemistry

VOLUME: 122

Page Numbers: 1146-52

Journal Abbreviation: J. Biochem.

ISSN: 0021-924X

DAY: 19

MONTH: Dec

YEAR: 1997

Isolation and characterization of a 230 kDa protein (p230) specifically expressed in fetal brains: its involvement in neurite outgrowth from rat cerebral cortex neurons grown on monolayer of astrocytes. Information

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LANGUAGE: eng

NlmUniqueID: 376600

Isolation and characterization of a 230 kDa protein (p230) specifically expressed in fetal brains: its involvement in neurite outgrowth from rat cerebral cortex neurons grown on monolayer of astrocytes. Keywords Mesh Terms:

KEYWORDS: Tenascin

MESH TERMS: metabolism

Chemical & Substance for Abstract: Isolation and characterization of a 230 kDa protein (p230) specifically expressed in fetal brains: its involvement in neurite outgrowth from rat cerebral cortex neurons grown on monolayer of astrocytes. Information

Substance Name: Tenascin

Registry Number: 0

Grant and Affiliation Information for Isolation and characterization of a 230 kDa protein (p230) specifically expressed in fetal brains: its involvement in neurite outgrowth from rat cerebral cortex neurons grown on monolayer of astrocytes.

AFFILIATION: Department of Biotechnology, The University of Tokyo.

Country: JAPAN

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MEDLINETA: J Biochem

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