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Cerebellum. 2013 Aug;12(4):534-46. doi: 10.1007/s12311-013-0459-x.

The expression of HDAC1 and HDAC2 during cerebellar cortical development.

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Department of Medical Genetics, Centre for Molecular Medicine and Therapeutics, University of British Columbia, 950 W. 28th Avenue, Vancouver, BC, Canada.


Histone deacetylases (HDACs) are epigenetic regulatory proteins that repress gene transcription by changing DNA conformation. The regulation of gene expression through histone deacetylation is an important mechanism for the development of the central nervous system. Although the disruption of the balance in epigenetic gene regulation has been implicated in many CNS developmental abnormalities and diseases, the expression pattern of HDACs in various cell types in the brain during its maturation process has had limited exploration. Therefore, in this study, we investigate the cell type-specific and developmental stage-specific expression pattern of HDAC1 and HDAC2 in the mouse cerebellum. Our experimental results show that the cerebellar progenitors and glial cells express high levels of HDAC1 and low levels of HDAC2. On the other hand, the post-mitotic migrating neuronal cells of the cerebellar cortex show strong HDAC2 and weak HDAC1 expressions. In more differentiated neuronal cells, including Purkinje cells, granule cells, unipolar brush cells, and GABAergic interneurons, we found a consistent expression pattern, high levels of HDAC2 and low levels of HDAC1. Therefore, our data provide support for the potential important roles of HDAC1 in cell proliferation and HDAC2 in migration and differentiation.

[Indexed for MEDLINE]

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