hrp0098p2-305 | Late Breaking | ESPE2024

Clinical Evaluation and Molecular Analysis of Genetic and Epigenetic Inactivation Defects in GNAS in children: A multicenter experience in China

Xu Xiaoqin , Shen Yingxiao , Yang Wei , Wei Haiyan , Chen Ting , Chen Linqi , Wang Zhihua , Yao Hui , Zhang Jianpin , Chen Ruimin , Sun Yan , MA Levine , Huang Ke , Dong Guanpin , Fu Junfen , Wu Wei

This study aim ed to screen pediatric patients with clinically diagnosed pseudohypoparathyroidism (PHP), pseudopseudohypoparathyroidism (PPHP), and progressive osseous heteroplasia (POH) for genetic and epigenetic defects in GNAS and to assess their clinical features. A total 87 patients from 8 medical centers in China were included in this study, and 70 patients underwent analysis of GNAS by next-generation sequencing and methylation-specific multiple ligati...