Crossref journal-article
Wiley
Journal of Neurochemistry (311)
Abstract

Abstract: The interaction of the amnesic agent 2‐deoxygalactose with fucose incorporation into glycoproteins in day‐old chick forebrain has been studied with the aim of identifying glycoproteins whose synthesis is modified during memory formation. 2‐Deoxygalactose inhibited total exogenous [14C]fucose incorporation into the forebrain glycoproteins by 26%. Sodium dodecyl sulphate‐polyacrylamide gradient gel analysis revealed that intracerebrally injected 2‐[3H]deoxygalatose labelled the same eight major glycoprotein bands as were identified using [14C]fucose labelling. Subsequent investigations focussed on these selected components. Subcellular fractionation showed that between 4 and 24 h after administration of the deoxy‐sugar, the incorporated radioactivity was found predominantly at the synaptic sites, some glycoproteins being more abundant in synaptic plasma membranes and others in postsynaptic densities. This distribution pattern varied according to the time after injection. The effect of passive avoidance training, using a methylan‐thranilate‐coated bead, on [14C]fucose incorporation into forebrain was to decrease fucose uptake into components of molecular mass 150–180 kilodaltons but to increase significantly labelling of glycoproteins of molecular mass 33 and 28 kilodaltons. The possible implications of these training‐induced changes are discussed.

Bibliography

Bullock, S., Potter, J., & Rose, S. P. R. (1990). Effects of the Amnesic Agent 2‐Deoxygalactose on Incorporation of Fucose into Chick Brain Glycoproteins. Journal of Neurochemistry, 54(1), 135–142. Portico.

Authors 3
  1. Sarah Bullock (first)
  2. Jenny Potter (additional)
  3. Steven P. R. Rose (additional)
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Dates
Type When
Created 18 years, 8 months ago (Dec. 13, 2006, 6:05 a.m.)
Deposited 1 year, 10 months ago (Oct. 22, 2023, 3:25 p.m.)
Indexed 1 year, 1 month ago (July 15, 2024, 7:15 p.m.)
Issued 35 years, 8 months ago (Jan. 1, 1990)
Published 35 years, 8 months ago (Jan. 1, 1990)
Published Online 18 years, 8 months ago (Dec. 12, 2006)
Published Print 35 years, 8 months ago (Jan. 1, 1990)
Funders 0

None

@article{Bullock_1990, title={Effects of the Amnesic Agent 2‐Deoxygalactose on Incorporation of Fucose into Chick Brain Glycoproteins}, volume={54}, ISSN={1471-4159}, url={http://dx.doi.org/10.1111/j.1471-4159.1990.tb13293.x}, DOI={10.1111/j.1471-4159.1990.tb13293.x}, number={1}, journal={Journal of Neurochemistry}, publisher={Wiley}, author={Bullock, Sarah and Potter, Jenny and Rose, Steven P. R.}, year={1990}, month=jan, pages={135–142} }