A carbohydrate epitope defined by monoclonal antibody VC1.1 is found on N-CAM and other cell adhesion molecules

Janice R. Naegele, Colin J. Barnstable

Research output: Contribution to journalArticle

49 Citations (Scopus)

Abstract

VC1.1 is a monoclonal antibody that stains the surfaces of neuronal subsets in the brain. Previous work showed that VC1.1 recognizes 3 polypeptide bands with molecular weights of 95-105 kDa, 140 kDa and 170 kDa and two high molecular weight proteoglycans with weights of approximately 680 and 650-700 kDa. The heterogeneity and molecular weight range of these bands suggested that VC1.1 might recognize a carbohydrate moiety associated with a family of cell surface molecules. It had been previously demonstrated that a separate monoclonal antibody, HNK-1 also recognized a cell surface associated epitope characterized as a sulfate- and glucuronic acid-containing N-linked carbohydrate. This epitope has been shown to be present on members of the N-CAM adhesion molecule family. In this report, we demonstrate that VC1.1 recognizes an N-linked carbohydrate group that is attached to myelin-associated glycoprotein and N-CAM. Immunocytochemical and biochemical comparisons of VC1.1 and HNK-1 staining in rat and cat brain indicate that these two antibodies probably recognize overlapping, or identical carbohydrate epitopes.

Original languageEnglish (US)
Pages (from-to)118-129
Number of pages12
JournalBrain research
Volume559
Issue number1
DOIs
StatePublished - Sep 13 1991

Fingerprint

Cell Adhesion Molecules
Epitopes
Monoclonal Antibodies
Carbohydrates
Molecular Weight
Myelin-Associated Glycoprotein
Glucuronic Acid
Brain
Proteoglycans
Sulfates
Cats
Coloring Agents
Staining and Labeling
Weights and Measures
Peptides
Antibodies

All Science Journal Classification (ASJC) codes

  • Neuroscience(all)
  • Molecular Biology
  • Clinical Neurology
  • Developmental Biology

Cite this

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abstract = "VC1.1 is a monoclonal antibody that stains the surfaces of neuronal subsets in the brain. Previous work showed that VC1.1 recognizes 3 polypeptide bands with molecular weights of 95-105 kDa, 140 kDa and 170 kDa and two high molecular weight proteoglycans with weights of approximately 680 and 650-700 kDa. The heterogeneity and molecular weight range of these bands suggested that VC1.1 might recognize a carbohydrate moiety associated with a family of cell surface molecules. It had been previously demonstrated that a separate monoclonal antibody, HNK-1 also recognized a cell surface associated epitope characterized as a sulfate- and glucuronic acid-containing N-linked carbohydrate. This epitope has been shown to be present on members of the N-CAM adhesion molecule family. In this report, we demonstrate that VC1.1 recognizes an N-linked carbohydrate group that is attached to myelin-associated glycoprotein and N-CAM. Immunocytochemical and biochemical comparisons of VC1.1 and HNK-1 staining in rat and cat brain indicate that these two antibodies probably recognize overlapping, or identical carbohydrate epitopes.",
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A carbohydrate epitope defined by monoclonal antibody VC1.1 is found on N-CAM and other cell adhesion molecules. / Naegele, Janice R.; Barnstable, Colin J.

In: Brain research, Vol. 559, No. 1, 13.09.1991, p. 118-129.

Research output: Contribution to journalArticle

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AB - VC1.1 is a monoclonal antibody that stains the surfaces of neuronal subsets in the brain. Previous work showed that VC1.1 recognizes 3 polypeptide bands with molecular weights of 95-105 kDa, 140 kDa and 170 kDa and two high molecular weight proteoglycans with weights of approximately 680 and 650-700 kDa. The heterogeneity and molecular weight range of these bands suggested that VC1.1 might recognize a carbohydrate moiety associated with a family of cell surface molecules. It had been previously demonstrated that a separate monoclonal antibody, HNK-1 also recognized a cell surface associated epitope characterized as a sulfate- and glucuronic acid-containing N-linked carbohydrate. This epitope has been shown to be present on members of the N-CAM adhesion molecule family. In this report, we demonstrate that VC1.1 recognizes an N-linked carbohydrate group that is attached to myelin-associated glycoprotein and N-CAM. Immunocytochemical and biochemical comparisons of VC1.1 and HNK-1 staining in rat and cat brain indicate that these two antibodies probably recognize overlapping, or identical carbohydrate epitopes.

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