Takata T, Ishikawa F (January 2003). "Human Sir2-related protein SIRT1 associates with the bHLH repressors HES1 and HEY2 and is involved in HES1- and HEY2-mediated transcriptional repression". Biochemical and Biophysical Research Communications. 301 (1): 250–7. doi:10.1016/S0006-291X(02)03020-6. PMID12535671.
Takata T, Ishikawa F (January 2003). "Human Sir2-related protein SIRT1 associates with the bHLH repressors HES1 and HEY2 and is involved in HES1- and HEY2-mediated transcriptional repression". Biochemical and Biophysical Research Communications. 301 (1): 250–7. doi:10.1016/S0006-291X(02)03020-6. PMID12535671.