51 Stögbauer Stögbauer L L Stummer Stummer W W Senner Senner V V Brokinkel Brokinkel B. B. Telomerase activity, TERT expression, hTERT promoter alterations, and alternative lengthening of the telomeres (ALT) in meningiomas - a systematic review Telomerase activity, TERT expression, hTERT promoter alterations, and alternative lengthening of the telomeres (ALT) in meningiomas - a systematic review Neurosurg Rev Neurosurg Rev 2020 2020 43 43 903 903 910 910 10.1007/s10143-019-01087-3 10.1007/s10143-019-01087-3 30788677 30788677. The gene discussed is GPT; the disease is meningioma.