The involvement of retinoic acid receptor-alpha in corticotropin-releasing hormone gene expression and affective disorders.Indian hedgehog regulates intestinal stem cell fate through epithelial-mesenchymal interactions during developmentCortactin regulates cofilin and N-WASp activities to control the stages of invadopodium assembly and maturation.Distribution of retinoic acid receptor-alpha immunoreactivity in the human hypothalamus.