{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,2]],"date-time":"2026-09-02T02:08:56Z","timestamp":1788314936710,"version":"build-2803163510"},"reference-count":128,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2023,12,4]],"date-time":"2023-12-04T00:00:00Z","timestamp":1701648000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Biomolecules"],"abstract":"<jats:p>The malignancy of glioblastoma (GBM), the most aggressive type of human brain tumor, strongly correlates with the presence of hypoxic areas within the tumor mass. Oxygen levels have been shown to control several critical aspects of tumor aggressiveness, such as migration\/invasion and cell death resistance, but the underlying mechanisms are still unclear. GBM cells express abundant K+ and Cl\u2212 channels, whose activity supports cell volume and membrane potential changes, critical for cell proliferation, migration and death. Volume-regulated anion channels (VRAC), which mediate the swelling-activated Cl\u2212 current, and the large-conductance Ca2+-activated K+ channels (BK) are both functionally upregulated in GBM cells, where they control different aspects underlying GBM malignancy\/aggressiveness. The functional expression\/activity of both VRAC and BK channels are under the control of the oxygen levels, and these regulations are involved in the hypoxia-induced GBM cell aggressiveness. The present review will provide a comprehensive overview of the literature supporting the role of these two channels in the hypoxia-mediated GBM malignancy, suggesting them as potential therapeutic targets in the treatment of GBM.<\/jats:p>","DOI":"10.3390\/biom13121742","type":"journal-article","created":{"date-parts":[[2023,12,4]],"date-time":"2023-12-04T03:40:58Z","timestamp":1701661258000},"page":"1742","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["Hypoxia, Ion Channels and Glioblastoma Malignancy"],"prefix":"10.3390","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0720-3009","authenticated-orcid":false,"given":"Antonio","family":"Michelucci","sequence":"first","affiliation":[{"name":"Department of Chemistry, Biology and Biotechnology, University of Perugia, 06123 Perugia, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2145-3642","authenticated-orcid":false,"given":"Luigi","family":"Sforna","sequence":"additional","affiliation":[{"name":"Department of Chemistry, Biology and Biotechnology, University of Perugia, 06123 Perugia, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fabio","family":"Franciolini","sequence":"additional","affiliation":[{"name":"Department of Chemistry, Biology and Biotechnology, University of Perugia, 06123 Perugia, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luigi","family":"Catacuzzeno","sequence":"additional","affiliation":[{"name":"Department of Chemistry, Biology and Biotechnology, University of Perugia, 06123 Perugia, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2023,12,4]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"420","DOI":"10.1016\/j.soncn.2018.10.001","article-title":"Epidemiology and Overview of Gliomas","volume":"34","author":"Davis","year":"2018","journal-title":"Semin. 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