Convergent animal and human evidence suggests a role of PPM1A gene in response to antidepressants.
Malki K, Uher R, Paya-Cano J, Binder E, Rietschel M, Zobel A, Mors O, Hauser J, Henigsberg N, Jerman B, et al. Biol Psychiatry. 2011 Feb 15; 69(4):360-5. Epub 2010 Oct 20.