The developmental regulation of the L2/HNK‐1 and L3 carbohydrate epitopes in mouse brain Evidence for separate control of lipid‐ and protein‐bound epitopes
- 10 April 1989
- journal article
- research article
- Published by Wiley in FEBS Letters
- Vol. 247 (1) , 36-40
- https://doi.org/10.1016/0014-5793(89)81235-9
Abstract
The carbohydrate epitopes L2/HNK-1 and L3 have previously been identified on various neural cell adhesion molecules and have been suggested to play a role in the mediation of cell-cell adhesion. In this study, the developmental expression of the two epitopes in soluble, membrane-bound and chloroform/methanol-extracted fractions of the constituent mouse brain regions was examined by enzyme-linked immunosorbent assay (ELISA). The protein-bound epitopes were shown to be uniformly developmentally regulated, with levels peaking at postnatal day 20 (P20). The epitopes in a crude chloroform/methanol fraction, however, demonstrated a different pattern, with L2 peaking earlier at postnatal day zero (P0). These results suggest a possible interaction between the control of the two pools of the epitopeKeywords
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