Figure 4From: An aryl hydrocarbon receptor induces VEGF expression through ATF4 under glucose deprivation in HepG2Hypotheses of the relationships between AhR, nuclear factor erythroid- derived 2- related factor 2 (Nrf2), ATF4, and VEGF. The hypotheses by IPA and past reports are raised (A, B and C, see the text for detail). Solid arrows indicate the activation of gene expression, and the dotted line indicates a protein-protein interaction.Back to article page