Angelman syndrome caused by an identical familial 1,487-kb deletion.

Kanako Sato, Mie Iwakoshi, Osamu Shimokawa, Haruya Sakai, Tohru Ohta, Shinji Saitoh, Noriko Miyake, Norio Niikawa, Naoki Harada, Hirotomo Saitsu, Takeshi Mizuguchi, and Naomichi Matsumoto* Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Japan Nishinomiya Municipal Wakaba-en, Nishinomiya, Japan Kyushu Medical Science Nagasaki Laboratory, Nagasaki, Japan Departments of Human Genetics, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan The Research Institute of Personalized Health Sciences, Health Sciences University of Hokkaido, Ishikari-tobetsu, Japan Department of Pediatrics, Hokkaido University School of Medicine, Sapporo, Japan