4.8 Article

ZNF117 regulates glioblastoma stem cell differentiation towards oligodendroglial lineage

Journal

NATURE COMMUNICATIONS
Volume 13, Issue 1, Pages -

Publisher

NATURE PORTFOLIO
DOI: 10.1038/s41467-022-29884-3

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Funding

  1. NIH [NS095817, CA245313]

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Improved treatment of glioblastoma (GBM) can be achieved by inducing differentiation of glioblastoma stem cells (GSCs). The study identifies zinc finger protein 117 (ZNF117) as a regulator of GSC differentiation via Notch signaling through interaction with JAG2, and suggests that it can be targeted for therapy.
Improved treatment of glioblastoma (GBM) can be achieved by inducing differentiation of glioblastoma stem cells (GSCs). Here, the authors show that zinc finger protein 117 (ZNF117) is a regulator of GSC differentiation via Notch signaling through interaction with JAG2, and can be targeted for therapy. Glioblastoma (GBM) is a deadly disease without effective treatment. Because glioblastoma stem cells (GSCs) contribute to tumor resistance and recurrence, improved treatment of GBM can be achieved by eliminating GSCs through inducing their differentiation. Prior efforts have been focused on studying GSC differentiation towards the astroglial lineage. However, regulation of GSC differentiation towards the neuronal and oligodendroglial lineages is largely unknown. To identify genes that control GSC differentiation to all three lineages, we performed an image-based genome-wide RNAi screen, in combination with single-cell RNA sequencing, and identified ZNF117 as a major regulator of GSC differentiation. Using patient-derived GSC cultures, we show that ZNF117 controls GSC differentiation towards the oligodendroglial lineage via the Notch pathway. We demonstrate that ZNF117 is a promising target for GSC differentiation therapy through targeted delivery of CRISPR/Cas9 gene-editing nanoparticles. Our study suggests a direction to improve GBM treatment through differentiation of GSCs towards various lineages.

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