Cell-specific expression of neutral glycosphingolipids in vertebrate brain

Immunochemical localization of 3-O-acetyl-sphingosine-series glycolipid(s) in myelin and oligodendrocytes

Somsankar Dasgupta, Narayan R. Bhat, Samuel S. Spicer, Edward L. Hogan, Shigeki Furuya, Yoshio Hirabayashi

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The tissue- and cell-specific expression of three neutral glycosphingolipids, gangliotetraosylceramide (GA1), gangliopentaosylceramide (GalNAc-Ga1), and the novel 3-O-acetyl-sphingosine-series glycolipid (FMC-5), were examined with monospecific polyclonal antibodies. Immunohistochemical studies of rodent brain cross-sections indicated that both GA1 and FMC-5 antibodies stained myelin. In contrast, GalNAc-GA1 antibody distinctly stained neurons in cerebral cortex, but only partially delineated Purkinje cells and other neurons in cerebellum. Preliminary studies of mixed glial cultures suggested the following: 1) both FMC-5 and GA1 antibodies stained oligodendrocytes and oligo progenitors, and 2) GalNAc-GA1 antibody did not stain any cells in the culture. Because the GalNAc-GA1 was associated with neurons, we examined the immunoreactivity of GalNAc-GA1 antibody in primary neuronal cultures. Further studies using primary cultures of rat brain oligodendrocytes, and dissociated cerebellar neuronal cultures indicated that both GA1 and FMC-5 are specifically expressed by oligodendrocytes, whereas GalNAc-GA1 is primarily localized in interneurons and to some extent in Purkinje neurons.

Original languageEnglish
Pages (from-to)2856-2862
Number of pages7
JournalJournal of Neuroscience Research
Volume85
Issue number13
DOIs
Publication statusPublished - Oct 1 2007

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Neutral Glycosphingolipids
Sphingosine
Glycolipids
Oligodendroglia
Myelin Sheath
Vertebrates
Antibodies
Brain
Purkinje Cells
Neurons
Interneurons
Neuroglia
Cerebral Cortex
Cerebellum
Rodentia
Coloring Agents
Cell Culture Techniques

All Science Journal Classification (ASJC) codes

  • Cellular and Molecular Neuroscience

Cite this

Cell-specific expression of neutral glycosphingolipids in vertebrate brain : Immunochemical localization of 3-O-acetyl-sphingosine-series glycolipid(s) in myelin and oligodendrocytes. / Dasgupta, Somsankar; Bhat, Narayan R.; Spicer, Samuel S.; Hogan, Edward L.; Furuya, Shigeki; Hirabayashi, Yoshio.

In: Journal of Neuroscience Research, Vol. 85, No. 13, 01.10.2007, p. 2856-2862.

Research output: Contribution to journalArticle

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