The role of globo-series glycolipids in neuronal cell differentiation - A Review

Toshio Ariga, Robert K Yu

Research output: Contribution to journalReview article

12 Citations (Scopus)

Abstract

Alterations in glycolipid composition as well as glycosyltransferase activities during cellular differentiation and growth have been well documented. However, the underlying mechanisms for the regulation of glycolipid expression remain obscure. One of the major obstacles has been the lack of a well defined model system for studying these phenomena. We have chosen PC12 pheochromocytoma cells as a model because (a) the properties of these cells have been well characterized, and (b) they respond to nerve growth factor (NGF) by differentiating into sympathetic-like neurons and are amenable to well-controlled experimentation. Thus, PC12 cells represent a suitable model for studying changes in glycolipid metabolism in relation to cellular differentiation. We have previously shown that subcloned PC12 cells accumulate a unique series of globo-series neutral glycolipids which are not expressed in parental PC12 cells. This unusual change in glycolipid distribution is accompanied by changes in the activities of specific glycosyltransferases involved in their synthesis and is correlated with neuritogenesis and/or cellular differentiation in this cell line. We have further demonstrated that changes in the glycosyltransferase activities may be modulated by the phosphorylation states of the cells via protein kinase systems. We conclude that these unique globo-series glycolipids may play a functional role in the initiation and/or maintenance of neurite outgrowth in PC12 cells.

Original languageEnglish (US)
Pages (from-to)291-303
Number of pages13
JournalNeurochemical Research
Volume23
Issue number3
DOIs
StatePublished - Mar 24 1998

Fingerprint

Glycolipids
PC12 Cells
Cell Differentiation
Glycosyltransferases
Phosphorylation
Pheochromocytoma
Nerve Growth Factor
Metabolism
Protein Kinases
Neurons
Cells
Maintenance
Cell Line
Growth
Chemical analysis

Keywords

  • Cellular differentiation
  • Gangliosides
  • Globo-series glycolipids
  • Glycolipid antibodies
  • PC12 pheochromocytoma cells
  • Protein kinases
  • Signal transduction

ASJC Scopus subject areas

  • Biochemistry
  • Cellular and Molecular Neuroscience

Cite this

The role of globo-series glycolipids in neuronal cell differentiation - A Review. / Ariga, Toshio; Yu, Robert K.

In: Neurochemical Research, Vol. 23, No. 3, 24.03.1998, p. 291-303.

Research output: Contribution to journalReview article

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