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Juntendo University Shizuoka Hospital

2 ARTICLES PUBLISHED IN JoVE

Cancer Research

Genome-Wide Analysis of DNA Methylation in Gastrointestinal Cancer

Kiichi Sugimoto^1,2, Hirotaka Momose², Tomoaki Ito^1,3, Hajime Orita³, Koichi Sato³, Kazuhiro Sakamoto², Malcolm V. Brock¹

¹Department of Surgery, The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, ²Department of Coloproctological Surgery, Juntendo University Faculty of Medicine, ³Department of Surgery, Juntendo University Shizuoka Hospital

Herein, we describe a procedure for genome-wide analysis of DNA methylation in gastrointestinal cancers. The procedure is of relevance to studies that investigate relationships between methylation patterns of genes and factors contributing to carcinogenesis in gastrointestinal cancers.

Cancer Research

A Syngeneic Orthotopic Osteosarcoma Sprague Dawley Rat Model with Amputation to Control Metastasis Rate

Shun Ishiyama^1,2,3,4, Casey Kissel⁵, Xin Guo¹, Alexis Howard⁶, Harumi Saeki⁷, Tomoaki Ito⁸, Polina Sysa-Shah⁹, Hajime Orita¹⁰, Kazuhiro Sakamoto⁴, Kathleen Gabrielson^1,2

¹Department of Molecular and Comparative Pathobiology, The Johns Hopkins University School of Medicine, ²Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, ³Department of Surgery, Johns Hopkins University School of Medicine, ⁴Department of Coloproctological Surgery, Juntendo University Faculty of Medicine, ⁵Program for Comparative Medicine, Gene Therapy Program, Perelman School of Medicine, University of Pennsylvania, ⁶Tuskegee College of Veterinary Medicine, ⁷Department of Human Pathology, Juntendo University Faculty of Medicine, ⁸Department of Surgery, Juntendo University Shizuoka Hospital, Juntendo University School of Medicine, ⁹Department of Urology, The Johns Hopkins School of Medicine, ¹⁰Department of Gastroenterology and Minimally Invasive Surgery, Juntendo University Faculty of Medicine

Here, a syngeneic orthotopic implantation followed by an amputation procedure of the osteosarcoma with spontaneous pulmonary metastasis that can be used for preclinical investigation of metastasis biology and development of novel therapeutics is described.