- Liver AP-1 activation due to carbon tetrachloride is potentiated by 1,2-dibromoethane but is inhibited by alpha-tocopherol or gadolinium chloride. Camandola, S., Aragno, M., Cutrin, J.C., Tamagno, E., Danni, O., Chiarpotto, E., Parola, M., Leonarduzzi, G., Biasi, F., Poli, G. Free Radic. Biol. Med. (1999)