Snf2h-mediated chromatin organization and histone H1 dynamics govern cerebellar morphogenesis and neural maturation. Alvarez-Saavedra, M., De Repentigny, Y., Lagali, P. S., Raghu Ram, E. V., Yan, K., Hashem, E., Ivanochko, D., Huh, M. S., Yang, D., Mears, A. J., Todd, M. A., Corcoran, C. P., Bassett, E. A., Tokarew, N. J., Kokavec, J., Majumder, R., Ioshikhes, I., Wallace, V. A., Kothary, R., Meshorer, E., Stopka, T., Skoultchi, A. I., & Picketts, D. J. Nat Commun, 5:4181, Jun, 2014. [PubMed Central:\hrefhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4083431PMC4083431] [DOI:\hrefhttps://dx.doi.org/10.1038/ncomms518110.1038/ncomms5181] [PubMed:\hrefhttps://www.ncbi.nlm.nih.gov/pubmed/2494690424946904] abstract bibtex Chromatin compaction mediates progenitor to post-mitotic cell transitions and modulates gene expression programs, yet the mechanisms are poorly defined. Snf2h and Snf2l are ATP-dependent chromatin remodelling proteins that assemble, reposition and space nucleosomes, and are robustly expressed in the brain. Here we show that mice conditionally inactivated for Snf2h in neural progenitors have reduced levels of histone H1 and H2A variants that compromise chromatin fluidity and transcriptional programs within the developing cerebellum. Disorganized chromatin limits Purkinje and granule neuron progenitor expansion, resulting in abnormal post-natal foliation, while deregulated transcriptional programs contribute to altered neural maturation, motor dysfunction and death. However, mice survive to young adulthood, in part from Snf2l compensation that restores Engrailed-1 expression. Similarly, Purkinje-specific Snf2h ablation affects chromatin ultrastructure and dendritic arborization, but alters cognitive skills rather than motor control. Our studies reveal that Snf2h controls chromatin organization and histone H1 dynamics for the establishment of gene expression programs underlying cerebellar morphogenesis and neural maturation.
@Article{pmid24946904,
Author="Alvarez-Saavedra, M. and De Repentigny, Y. and Lagali, P. S. and Raghu Ram, E. V. and Yan, K. and Hashem, E. and Ivanochko, D. and Huh, M. S. and Yang, D. and Mears, A. J. and Todd, M. A. and Corcoran, C. P. and Bassett, E. A. and Tokarew, N. J. and Kokavec, J. and Majumder, R. and Ioshikhes, I. and Wallace, V. A. and Kothary, R. and Meshorer, E. and Stopka, T. and Skoultchi, A. I. and Picketts, D. J. ",
Title="{{S}nf2h-mediated chromatin organization and histone {H}1 dynamics govern cerebellar morphogenesis and neural maturation}",
Journal="Nat Commun",
Year="2014",
Volume="5",
Pages="4181",
Month="Jun",
Abstract={Chromatin compaction mediates progenitor to post-mitotic cell transitions and modulates gene expression programs, yet the mechanisms are poorly defined. Snf2h and Snf2l are ATP-dependent chromatin remodelling proteins that assemble, reposition and space nucleosomes, and are robustly expressed in the brain. Here we show that mice conditionally inactivated for Snf2h in neural progenitors have reduced levels of histone H1 and H2A variants that compromise chromatin fluidity and transcriptional programs within the developing cerebellum. Disorganized chromatin limits Purkinje and granule neuron progenitor expansion, resulting in abnormal post-natal foliation, while deregulated transcriptional programs contribute to altered neural maturation, motor dysfunction and death. However, mice survive to young adulthood, in part from Snf2l compensation that restores Engrailed-1 expression. Similarly, Purkinje-specific Snf2h ablation affects chromatin ultrastructure and dendritic arborization, but alters cognitive skills rather than motor control. Our studies reveal that Snf2h controls chromatin organization and histone H1 dynamics for the establishment of gene expression programs underlying cerebellar morphogenesis and neural maturation.},
Note={[PubMed Central:\href{https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4083431}{PMC4083431}] [DOI:\href{https://dx.doi.org/10.1038/ncomms5181}{10.1038/ncomms5181}] [PubMed:\href{https://www.ncbi.nlm.nih.gov/pubmed/24946904}{24946904}] }
}
% 23936309
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