Antipsychotics promote neural differentiation of human iPS cell-derived neural stem cells
Minoru Asada1, Shuki Mizutani2, Masatoshi Takagi2
1Department of Pharmacology, Graduate School of Medicine, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-ku, Tokyo 113-8602, Japan.
Abstract:
We investigated the effects of antipsychotics on human induced pluripotent stem cell (hiPSC)-derived neural stem cell (NSC) differentiation. Induction of NSCs from hiPSCs was performed using PSC neural induction medium. Induced NSCs were subsequently cultured in neural differentiation medium containing antipsychotics. Cultured cells were subjected to neural differentiation marker analysis. As previously shown in rodent cells, antipsychotics promoted neural differentiation compared with vehicle treatment. Atypical antipsychotics appear to possess more differentiation induction potential than typical ones. Most NSCs do not express dopamine D2 receptor; however, our in vitro study indicates the clinical potential of antipsychotics could include effects independent of monoamine receptor expression in NSCs. Our study shows NSCs derived from hiPSCs provide opportunity to investigate the underlying direct effect of antipsychotics treatment on NSCs.
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