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Neural progenitors with distinct potential to generate progeny are associated with a spatially distinct microenvironment. Neocortical intermediate progenitors (IPs) in the subventricular zone (SVZ) of the developing brain generate neurons for all cortical layers and are essential for cortical expansion. Here, we show that spatial control of IP positioning is essential for neocortical development. We demonstrate that HDAC1 and HDAC2 regulate the spatial positioning of IPs to form the SVZ. Developmental stage-specific depletion of both HDAC1 and HDAC2 in radial glial progenitors results in mispositioning of IPs at the ventricular surface, where they divide and differentiate into neurons, thereby leading to the cortical malformation. We further identified the proneural gene Neurogenin2 as a key target of HDAC1 and HDAC2 for regulating IP positioning. Our results demonstrate the importance of the spatial positioning of neural progenitors in cortical development and reveal a mechanism underlying the establishment of the SVZ microenvironment.
Pubmed ID: 30709655 RIS Download
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Software tool to automate quality and adapter trimming as well as quality control, with some added functionality to remove biased methylation positions for RRBS sequence files for directional, non-directional or paired-end sequencing. Wrapper around Cutadapt and FastQC to consistently apply adapter and quality trimming to FastQ files, with extra functionality for Reduced Representation Bisulfite Sequencing data.
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