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In Vitro Differentiation of a Mouse Neuroblastoma

Overview
Journal Proc Natl Acad Sci U S A
Specialty Science
Date 1969 Sep 1
PMID 4189500
Citations 71
Authors
D Schubert
S Humphreys
C Baroni
M Cohn
Affiliations
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Abstract

Mouse tumor C1300 has been established in tissue culture. The cells have a round cell morphology in both the subcutaneous tumor and in suspension culture. However, when given a surface on which to attach, they send out processes up to 3 mm in length and assume the morphology of mature neurons. The attached cells are stained by the Bodian silver procedure for neurons, whereas the cells grown in suspension are not. Electron microscopy reveals that the attached cells contain neurofilaments, neurotubules, and densecore vesicles indicative of nerve fibers. Both free-floating and attached cells have tyrosine hydroxylase activity characteristic of sympathetic nervous tissue. Apparently cell attachment can induce morphological differentiation from an anaplastic round cell to a cell which has many properties of a mature neuron.

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