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. 2021:97:247-273.
doi: 10.1007/978-3-030-67171-6_10.

Extracellular Vesicle Mediated Vascular Pathology in Glioblastoma

Cristiana Spinelli  1 , Nadim Tawil  1 , Lata Adnani  1 , Janusz Rak  2 , Dongsic Choi  3
Affiliations

Extracellular Vesicle Mediated Vascular Pathology in Glioblastoma

Cristiana Spinelli et al. Subcell Biochem. 2021.

Abstract

Glioblastoma (GBM) is an incurable, infiltrative high-grade brain tumour associated with dramatic vascular responses observed both locally (angiogenesis, vascular cooption, angiocrine effects, microthrombosis) and systemically (venous thromboembolism). GBM-associated vascular pathology is diagnostically relevant and constitutes a source of morbidity, mortality and progressive changes in tumour biology. Extracellular vesicles (EVs) have emerged as unique mediators of vascular effects in brain tumours acting as vehicles for intercellular transfer of oncoproteins (e.g. EGFRvIII), RNA, DNA and molecular effectors of angiogenesis and thrombosis. Vascular effects of GBM EVs are regulated by cancer cell genome, epigenome and microenvironment and differ between subtypes of cancer cells and stem cells. Understanding and targeting EV-driven vascular processes in GBM may offer new approaches to diagnose and treat these intractable tumours.

Keywords: Angiogenesis; Blood vessels; Brain tumours; Cell communication; Coagulation system; EGFR; Endothelial cells; Exosomes; Extracellular vesicles; Glioblastoma; Oncogenes; Thrombosis.

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