Valproic acid increases the SMN2 protein level: a well-known drug as a potential therapy for spinal muscular atrophy. - Brichta,L.; Hofmann,Y.; Hahnen,E.; Siebzehnrubl,F.A.; Raschke,H.; Blumcke,I.; Eyupoglu,I.Y.; Wirth,B. (Hum Mol Genet, 2003)