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Antibodies to a neural cell-adhesion molecule disrupt histogenesis in cultured chick retinae

Academic Article
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Overview

authors

  • Buskirk, D. R.
  • Thiery, J. P.
  • Rutishauser, U.
  • Edelman, Gerald

publication date

  • 1980

journal

  • Nature  Journal

abstract

  • Cell-surface proteins are believed to have important roles in cell-cell interactions during brain development, particularly in such processes as cellular adhesion, neurite outgrowth and synapse formation. The chick neural cell adhesion molecule, CAM, is a cell-surface protein specific to the nervous system and has been implicated in cell adhesion among cells and neurites of the developing retina and brain. Previous studies have shown that F(ab') fragments of antibodies directed against CAM inhibit the in vitro aggregation of cells obtained from 9-day embryonic chick retina. The specific antibody fragments also reduce the diameter of neurite fascicles that grow out from cultured dorsal root ganglia, apparently by blocking side-to-side adhesion between the neurites. In addition, anti-CAM antibodies alter the appearance of histotypic patterns in retinal cell aggregates maintained in culture for several days. We now demonstrate that the antibodies can disrupt histogenesis of the developing retina in organ culture, strengthening the notion that the cell-cell adhesion properties mediated by CAM are involved in the normal development of histological layers in the chick retina.

subject areas

  • Animals
  • Antibodies
  • Antigens, Surface
  • Cell Adhesion
  • Cells, Cultured
  • Chick Embryo
  • Extracellular Space
  • Immunoglobulin Fab Fragments
  • Microscopy, Electron
  • Retina
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Identity

International Standard Serial Number (ISSN)

  • 0028-0836

Digital Object Identifier (DOI)

  • 10.1038/285488a0

PubMed ID

  • 7402293
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Additional Document Info

start page

  • 488

end page

  • 489

volume

  • 285

issue

  • 5765

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