hrp0086p1-p103 | Bone & Mineral Metabolism P1 | ESPE2016

Monostotic Fibrous Dysplasia is a Single Disorder Caused by Somatic Mosaic Activating Mutations in GNAS

Shibata Hironori , Narumi Satoshi , Ishii Tomohiro , Sakamoto Yoshiaki , Nishimura Gen , Hasegawa Tomonobu

Background: Monostotic Fibrous Dysplasia (MFD) is thought to be caused by somatic mosaic activating mutations in GNAS. However, previous GNAS mutation analyses of MFD patients using direct sequencing of bone samples detected activating GNAS mutations only in 21 of 40 cases (52.5%) (Hum Pathol 2012; 43: 1234). We reported that next generation sequencing (NGS) detected somatic activating GNAS mutations sensitively from peripheral bloo...