Pauwels, P J
Opperdoes, Frederik
[UCL]
Trouet, André
[UCL]
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.
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Bibliographic reference |
Pauwels, P J ; Opperdoes, Frederik ; Trouet, André. Effects of antimycin, glucose deprivation, and serum on cultures of neurons, astrocytes, and neuroblastoma cells.. In: Journal of neurochemistry, Vol. 44, no. 1, p. 143-8 (1985) |
Permanent URL |
http://hdl.handle.net/2078.1/27048 |