GABBR1 and neoplasm: Among the differentially expressed transcripts in EGFR non-amplified patients, the synaptic GABA receptor GABBR1 (padj = 3.0 × 10−7) transcript was increased in expression in recurrent tumours, as was the GABA receptor subunit GABRB1 (padj = 0.043) transcript; however, whether an increased number of transcripts results in more functional receptors will require further study.