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The Effects Of C5-Substituted 2,4-Diaminoquinazolines On Selected Transcript Expression In Spinal Muscular Atrophy Cells., Cinsley Gentillon, Andrew J Connell, Ryan W Kirk, Matthew E R Butchbach
The Effects Of C5-Substituted 2,4-Diaminoquinazolines On Selected Transcript Expression In Spinal Muscular Atrophy Cells., Cinsley Gentillon, Andrew J Connell, Ryan W Kirk, Matthew E R Butchbach
Department of Pediatrics Faculty Papers
C5-substituted 2,4-diaminoquinazolines (2,4-DAQs) ameliorate disease severity in SMA mice. It is uncertain, however, that these compounds increase SMN protein levels in vivo even though they were identified as activators of the SMN2 promoter. These compounds also regulate the expression of other transcripts in neuroblastoma cells. In this study, we investigate the mechanism by which the 2,4-DAQs regulate the expression of SMN2 as well as other targets. D156844, D158872, D157161 and D157495 (RG3039) increased SMN2 promoter-driven reporter gene activity by at least 3-fold in NSC-34 cells. These compounds, however, did not significantly increase SMN2 mRNA levels in type II SMA fibroblasts …