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Comparative Study
. 1989 May;14(5):483-8.
doi: 10.1007/BF00964864.

Glutaminase in the postnatally developing rat cerebellum: comparison of staining and immunocytochemistry activity

G Wolf  1 , K Richter, W Schmidt, G Svenneby, J Strom-Mathisen
Affiliations
Comparative Study

Glutaminase in the postnatally developing rat cerebellum: comparison of staining and immunocytochemistry activity

G Wolf et al. Neurochem Res. 1989 May.

Abstract

Distribution patterns and developmental profiles of phosphate activated glutaminase (PAG) in the cerebellar cortex of the rat were demonstrated by enzyme activity staining (tetrazolium salt technique) and immunolabeling. Histochemical evaluation of enzyme activity stained sections revealed in the molecular and granular layer (i.e. premigratory zone and external germinal zone in neonate rats) an increase from postnatal day 2 to day 50 by 350 and 400%, respectively. The smallest elevation was found in Purkinje cell bodies (140%). Maximum rise of PAG-activity was observed for all of the areas examined between day 12 and 15. The immunocytochemical visualisation of PAG-like immunoreactivity resulted in spatial and developmental patterns which differed from those of PAG-activity staining and displayed, to some extent, dependency on the way of tissue preparation, especially the fixation procedure.

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