Inhibition of DYRK1A disrupts neural lineage specificationin human pluripotent stem cells.

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  • Additional Information
    • Source:
      Publisher: eLife Sciences Publications, Ltd Country of Publication: England NLM ID: 101579614 Publication Model: Electronic Cited Medium: Internet ISSN: 2050-084X (Electronic) Linking ISSN: 2050084X NLM ISO Abbreviation: Elife Subsets: MEDLINE
    • Publication Information:
      Original Publication: Cambridge, UK : eLife Sciences Publications, Ltd., 2012-
    • Subject Terms:
      Cell Differentiation*; Neurons/*physiology ; Pluripotent Stem Cells/*physiology ; Protein Serine-Threonine Kinases/*metabolism ; Protein-Tyrosine Kinases/*metabolism; Cells, Cultured ; Gene Knockdown Techniques ; Gene Knockout Techniques ; Humans ; Protein Serine-Threonine Kinases/antagonists & inhibitors ; Protein-Tyrosine Kinases/antagonists & inhibitors ; Dyrk Kinases
    • Abstract:
      Genetic analysis has revealed that the dual specificity protein kinase DYRK1A has multiple roles in the development of the central nervous system. Increased DYRK1A gene dosage, such as occurs in Down syndrome, is known to affect neural progenitor cell differentiation, while haploinsufficiency of DYRK1A is associated with severe microcephaly. Using a set of known and newly synthesized DYRK1A inhibitors, along with CRISPR-mediated gene activation and shRNA knockdown of DYRK1A , we show here that chemical inhibition or genetic knockdown of DYRK1A interferes with neural specification of human pluripotent stem cells, a process equating to the earliest stage of human brain development. Specifically, DYRK1A inhibition insulates the self-renewing subpopulation of human pluripotent stem cells from powerful signals that drive neural induction. Our results suggest a novel mechanism for the disruptive effects of the absence or haploinsufficiency of DYRK1A on early mammalian development, and reveal a requirement for DYRK1A in the acquisition of competence for differentiation in human pluripotent stem cells.
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    • Contributed Indexing:
      Keywords: Homo sapiens; developmental biology; none; pluripotent; stem cell; stem cells
    • Accession Number:
      EC 2.7.10.1 (Protein-Tyrosine Kinases)
      EC 2.7.11.1 (Protein Serine-Threonine Kinases)
    • Publication Date:
      Date Created: 20170909 Date Completed: 20180604 Latest Revision: 20231213
    • Publication Date:
      20231215
    • Accession Number:
      PMC5656431
    • Accession Number:
      10.7554/eLife.24502
    • Accession Number:
      28884684