Different metabolic effects of ganglioside GM1 in brain synaptosomes and phagocytic cells

N. F. Avrova, I. O. Zakharova, V. A. Tyurin, Y. Y. Tyurina, I. A. Gamaley, I. A. Schepetkin

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

The metabolic effects of ganglioside GM1 were found to be quite different in brain synaptosomes and phagocytic cells. Incubation of rat brain cortex synaptosomes with GM1 was shown to decrease the production of reactive oxygen species induced by Fe2+-H2O2 system and measured by chemiluminometric method in the presence of luminol. Gangliosides GM1, GD1a, and GT1b significantly diminished the induced accumulation of lipid peroxidation product in brain synaptosomes, but protein kinase inhibitor (polymyxin B) abolished this effect. Incubation with antioxidants or GM1 significantly diminished the increase of 45Ca2+ influx and oxidative inactivation of Na+,K+-ATPase in brain synaptosomes exposed to glutamate, the effect of GM1 was concentration-dependent in the range 10-11-10-8 M. But the incubation of human neutrophils and mouse peritoneal macrophages with 10-11-10-10 M GM1, on the contrary, increased several times the luminol-dependent chemiluminescence response of these cells to activation by low concentrations of 12-myristate-13-acetate phorbol ester. The opposite effects of GM1 in the nerve endings and phagocytic cells seem to be protective in both cases as the inhibition of reactive oxygen species production in the nerve cells may enhance their viability in damaged brain, while the intensification of their production in phagocytic cells may promote the resistance of organism to infection.

Original languageEnglish
Pages (from-to)751-759
Number of pages9
JournalNeurochemical Research
Volume27
Issue number7-8
DOIs
Publication statusPublished - Aug 2002
Externally publishedYes

Fingerprint

G(M1) Ganglioside
Synaptosomes
Phagocytes
Brain
Luminol
Reactive Oxygen Species
Neurons
Polymyxin B
Chemiluminescence
Nerve Endings
Macrophages
Myristic Acid
Peritoneal Macrophages
Phorbol Esters
Protein Kinase Inhibitors
Luminescence
Lipid Peroxidation
Adenosine Triphosphatases
Rats
Glutamic Acid

Keywords

  • Brain synaptosomes
  • Chemiluminescence response
  • Gangliosides
  • Phagocytic cells
  • Reactive oxygen species

ASJC Scopus subject areas

  • Biochemistry
  • Neuroscience(all)

Cite this

Different metabolic effects of ganglioside GM1 in brain synaptosomes and phagocytic cells. / Avrova, N. F.; Zakharova, I. O.; Tyurin, V. A.; Tyurina, Y. Y.; Gamaley, I. A.; Schepetkin, I. A.

In: Neurochemical Research, Vol. 27, No. 7-8, 08.2002, p. 751-759.

Research output: Contribution to journalArticle

Avrova, N. F. ; Zakharova, I. O. ; Tyurin, V. A. ; Tyurina, Y. Y. ; Gamaley, I. A. ; Schepetkin, I. A. / Different metabolic effects of ganglioside GM1 in brain synaptosomes and phagocytic cells. In: Neurochemical Research. 2002 ; Vol. 27, No. 7-8. pp. 751-759.
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