L Legault-Demare

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Nonneuronal alpha alpha- and neuron-specific alpha gamma- and gamma gamma-enolase activities were measured in the mouse brain during development. The corresponding mRNA sequences were quantified directly by hybridization with cDNA probes. The variations in alpha- and gamma-monomer levels inferred from the enzymatic activities were very similar to those of(More)
The relative amounts of the different enolase isozymes present in neuroblastoma cells change during differentiation. When differentiation is induced by low serum in the presence of DMSO (dimethyl sulfoxide), there is a 50% decrease in the concentration of enolase activity associated with the form alpha alpha, and an increase in the activity associated with(More)
An analysis of enolase expression during differentiation of neuroblastoma clones in homogeneous culture is presented. The enolases expressed in these neuroblast-like cells are identical to those of mouse brain with respect to the examined properties. Our biochemical investigation has premitted us to demonstrate formally that neuroblastoma cells undergo a(More)
We have compared the rodent developmental pattern of the 14-3-2 antigen estimated by a microcomplement fixation technique with that of the cerebral enolases. Chromatographic separation of enolase isozymes on microcolumns demonstrates that the embryonic neuron specific enolase is firstly and mostly represented by the ?? isozyme. The most important increase(More)
The development of embryonic rat brain in cell cultures was studied by an immunocytochemical method based on the detection of 14-3-2 protein (neuron-specific enolase or NSE), a neuron-specific protein. This protein was already present in undifferentiated neurons (less than 5 days in culture), being dispersed throughout the cytoplasm, though seemingly(More)
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