A long term study of axonal transport in the central visual system following eye enucleation in the adult cat |
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| Authors: | M. J. Pinilla-Morillo D. Sanides K. Albus |
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| Affiliation: | (1) Abteilung für Neurobiologie, Max-Planck-Institut für Biophysikalische Chemie, Am Faßberg, D-3400 Göttingen, Federal Republic of Germany;(2) Present address: Dept. of Anatomy, Medical Faculty, University of Zaragoza, Zaragoza, Spain |
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| Abstract: | Summary The effect of the enucleation of one eye on anterograde and retrograde labelling in geniculo-cortical, cortico-geniculate and commissural projections was investigated in adult cats by means of horseradish peroxidase (HRP) and tritiated aminoacids. It was found that in addition to the immediate decrease of retrograde labelling with HRP in the cortical projections from the deafferented A-laminae of the dorsal part of the lateral geniculate nucleus (Singer et al. 1977) there is a further reduction which lasts up to 75 days after enucleation. At 146 and 363 days after enucleation a slight increase in the number of labelled neurones was noted in the deafferented lamina. Qualitative assessment did not reveal any changes of anterograde labelling with tritiated amino acids in geniculo-cortical, cortico-geniculate and commissural axones. In addition, the retrograde labelling with HRP in cortico-geniculate and commissural projections seemed to be unaffected by eye enucleation.Deceased |
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| Keywords: | Eye enucleation Geniculo-cortical and cortico-geniculate axones Axonal transport HRP Amino acids |
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