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Testosterone elevates expression of tenascin-R and oligomannosidic carbohydrates in developing male zebra finches

Burkhardt-Holm, P. and Kafitz, K. W. and Güttinger, H. R. and Schachner, M.. (1996) Testosterone elevates expression of tenascin-R and oligomannosidic carbohydrates in developing male zebra finches. Journal of Neuroscience Research, 46 (3). pp. 385-392.

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Official URL: http://edoc.unibas.ch/52992/

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Abstract

The song system of zebra finches is a model for studying the influence of steroids on neural connectivity and behavior during development, To investigate the molecular mechanisms underlying the song-related and gonadal hormone-regulated development of neural activity, we have chosen to investigate the expression of recognition molecules in the brain nuclei associated with motor control of song production, Here we show that testosterone accelerates expression of the predominantly oligodendroglia-, but also neuron-associated extracellular matrix glycoprotein tenascin-R and the oligomannosidic carbohydrate L3 during the third and seventh posthatching week in the higher vocal center (HVC) and robust nucleus of the archistriatum (RA), but not in other brain regions, The results suggest that recognition molecules and associated carbohydrate structures can be regulated by testosterone and that an increased expression of these molecules correlates with testosterone -induced modifications of song behavior. (C) 1996 Wiley-Liss, Inc.
Faculties and Departments:05 Faculty of Science > Departement Umweltwissenschaften > Mensch Gesellschaft Umwelt MGU > Aquatische Ökologie (Holm)
UniBasel Contributors:Holm, Patricia
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Wiley
ISSN:0360-4012
e-ISSN:1097-4547
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:22 Nov 2017 09:39
Deposited On:22 Nov 2017 09:39

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