In vitro (in cell cultures) & in vivo (six control, three treated) examination of proliferation (BrdU immunofluorescence)
In culture medium at various concentrations (1–25 μM); intracerebroventricular injection in rats
Curcumin with increased proliferation in vitro at lower doses (1–6 μM), decrease at higher dose levels (12–25 μM) In vivo, curcumin induced increased proliferation, with majority of subsequent differentiation into neurons/neuroblasts