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The invasive proteome of glioblastoma revealed by laser-capture microdissection

Abstract : Background. Glioblastomas are heterogeneous tumors composed of a necrotic and tumor core and an invasive periphery. Methods. Here, we performed a proteomics analysis of laser-capture micro-dissected glioblastoma core and invasive areas of patient-derived xenografts. Results. Bioinformatics analysis identified enriched proteins in central and invasive tumor areas. Novel markers of invasion were identified, the genes proteolipid protein 1 (PLP1) and Dynamin-1 (DNM1), which were subsequently validated in tumors and by functional assays. Conclusions. In summary, our results identify new networks and molecules that may play an important role in glioblastoma development and may constitute potential novel therapeutic targets.
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Submitted on : Wednesday, December 9, 2020 - 9:07:29 AM
Last modification on : Thursday, September 1, 2022 - 11:11:53 AM
Long-term archiving on: : Wednesday, March 10, 2021 - 6:29:17 PM


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Thomas Daubon, Joris Guyon, Anne-Aurélie Raymond, Benjamin Dartigues, Justine Rudewicz, et al.. The invasive proteome of glioblastoma revealed by laser-capture microdissection. Neuro-Oncology Advances, Society for NeuroOncology (SNO); the European Association of Neuro-Oncology(EANO); and Oxford University Press, 2019, 1 (1), pp.1-12. ⟨10.1093/noajnl/vdz029⟩. ⟨hal-02347439⟩



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