ADORA2A and astrocytoma (excluding glioblastoma): The results obtained showed an overexpression of genes that regulate pathways of pyruvate kinase deficiency, glutaminolysis, hyperphenylalanimia, and sugar metabolism in the group whose A2AR was associated with a poor prognosis (CGGA men) compared to the group whose gene was associated with a good prognosis (TCGA astrocytoma) (Table 7).