Effects of Antimycin, Glucose Deprivation, and Serum on Cultures of Neurons, Astrocytes, and Neuroblastoma Cells

Effects of Antimycin, Glucose Deprivation, and Serum on Cultures of Neurons, Astrocytes, and... Abstract: The resistance of cultured mouse neuroblastoma cells, primary cultures of rat cerebellar neurons, and rat brain astrocytes to a block of aerobic metabolism was studied. Parameters such as lactate production and ATP content were measured in the presence of antimycin A and under various conditions of glucose, oxygen, and serum supply. The following conclusions can be drawn: (1) All cell types studied were characterized by an active production of lactate; (2) Incubation of the various cell types in the absence of glucose at normal oxygen tension did not affect ATP levels; (3) Respiration blocked by antimycin led to a Pasteur effect; (4) Neuroblastoma cells, but not the other cell types, were fully resistant to inhibition of respiration provided that sufficient glucose was supplied; (5) In the absence of glucose no stores of energy or utilizable substrate were present in the cell types studied when respiration was blocked; (6) In the presence of fetal calf serum anoxic neurons showed irreversible signs of degeneration. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Neurochemistry Wiley

Effects of Antimycin, Glucose Deprivation, and Serum on Cultures of Neurons, Astrocytes, and Neuroblastoma Cells

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Publisher
Wiley
Copyright
Copyright © 1985 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0022-3042
eISSN
1471-4159
DOI
10.1111/j.1471-4159.1985.tb07123.x
Publisher site
See Article on Publisher Site

Abstract

Abstract: The resistance of cultured mouse neuroblastoma cells, primary cultures of rat cerebellar neurons, and rat brain astrocytes to a block of aerobic metabolism was studied. Parameters such as lactate production and ATP content were measured in the presence of antimycin A and under various conditions of glucose, oxygen, and serum supply. The following conclusions can be drawn: (1) All cell types studied were characterized by an active production of lactate; (2) Incubation of the various cell types in the absence of glucose at normal oxygen tension did not affect ATP levels; (3) Respiration blocked by antimycin led to a Pasteur effect; (4) Neuroblastoma cells, but not the other cell types, were fully resistant to inhibition of respiration provided that sufficient glucose was supplied; (5) In the absence of glucose no stores of energy or utilizable substrate were present in the cell types studied when respiration was blocked; (6) In the presence of fetal calf serum anoxic neurons showed irreversible signs of degeneration.

Journal

Journal of NeurochemistryWiley

Published: Jan 1, 1985

References

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