Loss of phosphatase and tensin homolog enhances cell invasion and migration through AKT/Sp-1 transcription factor/matrix metalloproteinase 2 activation in hepatocellular carcinoma and has clinicopathologic significance - Sze, KM; Wong, KL; Chu, GK; Lee, JM; Yau, TO; Oi-Lin Ng, I (Hepatology, 2011)