Histone H3.3 glycine 34 to arginine/valine(G34R/V)mutations drive deadly gliomas and show exquisite regional and temporal specificity,suggesting a developmental context permissive to their *** we show that 50%of G34R/...
详细信息
Histone H3.3 glycine 34 to arginine/valine(G34R/V)mutations drive deadly gliomas and show exquisite regional and temporal specificity,suggesting a developmental context permissive to their *** we show that 50%of G34R/V tumors(n=95)bear activating PDGFRA mutations that display strong selection pressure at *** considered gliomas,G34R/V tumors actually arise in GSX2/DLX-expressing interneuron progenitors,where G34R/V mutations impair neuronal *** lineage of origin may facilitate PDGFRA co-option through a chromatin loop connecting PDGFRA to GSX2 regulatory elements,promoting PDGFRA overexpression and *** the single-cell level,G34R/V tumors harbor dual neuronal/astroglial identity and lack oligodendroglial programs,actively repressed by GSX2/DLX-mediated cell fate specification.G34R/V may become dispensable for tumor maintenance,whereas mutant-PDGFRA is potently ***,our results open novel research avenues in deadly tumors.G34R/V gliomas are neuronal malignancies where interneuron progenitors are stalled in differentiation by G34R/V mutations and malignant gliogenesis is promoted by co-option of a potentially targetable pathway,PDGFRA signaling.
暂无评论