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Genesis. 2000 Nov-Dec;28(3-4):93-8.

Cre recombinase expression in cerebellar Purkinje cells.

Author information

1
Max-Planck-Institute of Neurobiology, Martinsried, Germany. barski@neuro.mpg.de

Abstract

The cerebellar cortex and its sole output, the Purkinje cell, have been implicated in motor coordination, learning and cognitive functions. Therefore, the ability to generate Purkinje cell-specific mutations in physiologically relevant genes is of particular neurobiological interest. A suitable approach is the Cre/loxP strategy that allows temporally and spatially controlled gene inactivation. Here, we present the characterization of transgenic mouse strains expressing Cre recombinase controlled by the L7/pcp-2 gene. Endogenous L7/pcp-2 protein is expressed exclusively in Purkinje cells and retinal bipolar neurones. Recombination was detected by beta-galactosidase histochemistry in tissues from crosses of the L7/pcp-2:Cre transgenic lines with two different indicator strains, GtROSA26 and ACZL. Purkinje cells in all folia of the cerebellum displayed intense beta-galactosidase staining, whereas only few blue cells were observed in the retina and other parts of the CNS. Thus, these transgenic lines are potentially of great importance for genetic manipulations in cerebellar Purkinje cells.

PMID:
11105049
[Indexed for MEDLINE]

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