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. 2011 Jul 1;3(3):141–165. doi: 10.4161/derm.3.3.15331

Figure 7.

Figure 7

Isotretinoin's effect on the CNS is mediated by FoxO1 upregulation. in the hypothalamus FoxO1 inhibits neurogenesis associated with the risk of mood changes. FoxO1 suppresses the expression of proopiomelanocortin (POMC) and carboxypeptidase E (Cpe). This results in reduced formation of α-melanocyte stimulating hormone (α-MSH) and general suppression of the hypothalamic-pituitary-axis (HPA) with decreased pituitary hormone secretion.