A new study in the roundworm Caenorhabditis elegans shows that all major classes of antipsychotic drugs used to treat schizophrenia increase signaling in the Akt signaling pathway. This pathway involves a protein family that plays a role in regulating such key cellular processes as transcription, cell growth, and apoptosis (Weeks KR et al. ACS Chem Neurosci. doi:10.1021/cn100010p [published online March 25, 2010]).
Friedrich MJ. Schizophrenia Therapies. JAMA. 2010;304(1):32. doi:10.1001/jama.2010.866