TERT and cancer: However, the expression of TERT was not detected in all types of cancer cells after 1 μM SMA treatment, and the relative expression level of TREC transcript was 4.9 ± 1.08, 1.42 ± 1.21 and 0% in the A-549, MDA-MB-231 and U87-MG cancer cells treated with 1 μM SMA, respectively.