Differential expression of two glucuronyltransferases synthesizing HNK-1 carbohydrate epitope in the sublineages of the rat myogenic progenitors

Takashi Nagase, Yasushi Shimoda, Yutaka Sanai, Shun Nakamura, Kiyonori Harii, Noriko Osumi

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

HNK-1 epitope is a cell-surface carbohydrate mediating various cell-cell or cell-substrate interactions. We found HNK-1 epitope in longitudinally arrayed fibers in the subpopulation of the epaxial myotome, and hypaxial myoblasts migrating into the limb bud in the rat embryo. We next investigated the expression patterns of genes encoding two glucuronyltransferases (GlcAT-P, GlcAT-D) and sulfotransferase (Sul-T), which are required for biosynthesis of HNK-1 epitope. GlcAT-P gene was expressed in the non-migrating longitudinal fibers, whereas GlcAT-D gene was expressed in the migrating myoblasts in the limb bud. Sul-T gene expression was ubiquitously observed in all these myogenic populations. Thus, differential expression of GlcAT genes may relate to the epaxial/hypaxial or migrating/non-migrating myoblast lineages. Copyright (C) 2000 Elsevier Science Ireland Ltd.

Original languageEnglish
Pages (from-to)145-149
Number of pages5
JournalMechanisms of Development
Volume98
Issue number1-2
DOIs
Publication statusPublished - 2000 Nov 1

Keywords

  • Epaxial myoblast
  • GlcAT-D
  • GlcAT-P
  • Glucuronyltransferase
  • HNK-1 epitope
  • Hypaxial myoblast
  • Migration
  • Myotome
  • Sulfotransferase

ASJC Scopus subject areas

  • Embryology
  • Developmental Biology

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