Anti-endostatin monoclonal antibody inhibits antiangiogenic activity of endogenous endostatin secreted from human hepatocellular carcinoma xenografted in nude mice and promotes growth of the tumor by suppression of apoptosis: So Tsuboi, Koji Manabe, Hiroyuki Ohmori, Shigei Medical Research Hospital, Okayama Japan; Yasuko Tomono, Ichiro Naito, Shigei Medical Research Institute, Okayama Japan; Masahiro Miyazaki, Department of Cell Biology, Okayama University Graduate School of Medicine and Dentistry, Okayama Japan; Yoshifumi Ninomiya, Department of Molecular Biology and Biochemistry, Okayama University Graduate School of Medicine and Dentistry, Okayama Japan; Kazuhiro Nouso, Harushige Nakatsukasa, Toshihiro Higashi, Takao Tsuji, Department of Gastroenterology, Hepatology, Infectious disease, Okayama University Graduate School of Medicine and Dentistry, Okayama Japan