Involvement of a local Fenton reaction in the reciprocal modulation by O2 of the glucagon-dependent activation of the phosphoenolpyruvate carboxykinase gene and the insulin-dependent activation of the glucokinase gene in rat hepatocytes - Kietzmann, T; Porwol, T; Zierold, K; Jungermann, K; Acker, H. (Biochem J, 1998)