The patient was recruited from the Second Affiliated Hospital of Zhejiang University School of Medicine. Clinical data, including cranial image, laboratory tests, and ophthalmic findings were obtained. Genomic DNA was isolated from peripheral EDTA-treated blood with a DNA isolation kit (Qiagen Inc, Valencia, CA, United States). Whole exome sequencing (WES) was performed on an Illumina HiSeq X Ten platform (XY Biotechnology Co. Ltd., Hangzhou, China). Sanger sequencing was performed on an ABI 3500xL Dx Genetic Analyzer (Applied Biosystems) to validate the variants, and the procedure was described previously (11 (link)). The study was approved by the corresponding ethics committee of the local hospital, and informed consent was obtained from the patient.
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