ReviewFrontiers in oncology2026
Metabolic cell competition in the glioblastoma tumour microenvironment: glucose, glutamine, and lactate as determinants of immune exclusion and targets for pharmacological reprogramming.
Review in Frontiers in oncology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Abstract
Glioblastoma (GBM) remains the most lethal primary brain tumour, with median overall survival of 14 to 16 months despite maximal safe surgical resection, concurrent chemoradiotherapy, and adjuvant temozolomide. Treatment failure is driven in large part by a profoundly immunosuppressive tumour microenvironment (TME) in which metabolic competition between GBM cells, bone marrow-derived immunosuppressive myeloid cells, and cytotoxic T lymphocytes determines cellular dominance. This review frames the GBM TME through the lens of metabolic cell competition: a process by which differential metabolic fitness, mediated principally through glucose and glutamine consumption, establishes a suppressive hierarchy that forecloses effective anti-tumour immunity. Aerobic glycolysis in GBM cells produces lactate, which polarises tumour-associated macrophages toward immunosuppressive phenotypes via GPR81/HIF-1
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