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Thomas Jefferson University

Department of Pediatrics Faculty Papers

2017

Thomas Jefferson University

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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 Jun 2017

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 …