AUTHOR=Zheng Haoyang , Chen Gui , Wang Tingting , Cheng Weisheng , Yuan Jing , Liu Fang , Xu Yuanhong TITLE=Case report: Whole exome sequencing identifies a novel variant in the HPRT1 gene in a male with developmental delay JOURNAL=Frontiers in Genetics VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/genetics/articles/10.3389/fgene.2025.1512070 DOI=10.3389/fgene.2025.1512070 ISSN=1664-8021