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  • Title: [Genetic and phenotypic analysis of a patient with phosphogylcerate dehydrogenase deficiency].
    Author: Tao Z, Lu F.
    Journal: Zhonghua Yi Xue Yi Chuan Xue Za Zhi; 2021 Feb 10; 38(2):170-173. PubMed ID: 33565074.
    Abstract:
    OBJECTIVE: To explore the genetic basis for a child with ocular anomaly, microcephaly, growth retardation and intrauterine growth restriction. METHODS: The patient underwent ophthalmologic examinations including anterior segment photography, fundus color photography, and fundus fluorescein angiography. The patient and her parents were subjected to whole exome sequencing. Candidate variants were verified by Sanger sequencing and bioinformatic analysis. RESULTS: The patient was found to have bilateral persistent pupillary membrane and coloboma of inferior iris, in addition with macular dysplasia and radial pigmentation near the hemal arch of the temporal retina. She was found to have carried compound heterozygous missense variants of the PHGDH gene, namely c.196G>A and c.1177G>A, which were respectively inherited from her father and mother. Bioinformatic analysis suggested both variants to be pathogenic. CONCLUSION: The patient was diagnosed with phosphoglycerate dehydrogenase deficiency. Above finding has enriched the phenotypic spectrum of the disease with ocular manifestations.
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