Luteolin promotes degradation in signal transducer and activator of transcription 3 in human hepatoma cells: An implication for the antitumor potential of flavonoids - Selvendiran, K; Koga, H; Ueno, T; Yoshida, T; Maeyama, M; Torimura, T; Yano, H; Kojiro, M; Sata, M (Cancer Res, 2006)