Heterogeneity at both a genomic and phenotypic level is extant within glioblastoma. We hypothesised that imaging of the flux from hyperpolarised [1-13C]pyruvate to [1-13C]lactate may inform upon this heterogeneity. We used patient derived orthotopic xenograft cohorts to identify differential lactate labelling and have related this to both glycolytic enzyme and c-Myc expression.
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