期刊
BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS
卷 1869, 期 1, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.bbapap.2020.140555
关键词
Gyrate atrophy of the choroid and retina; Pyridoxal phosphate; Ornithine aminotransferase; Pathogenic variants; Vitamin B6; Retinal cells
资金
- Telethon Foundation [GGP15114]
- Fondazione IRP Citt`a della Speranza
Gyrate Atrophy is a rare genetic disorder caused by mutations in the OAT gene, leading to progressive retinal degeneration and blindness. Current treatment options include an arginine-restricted diet to limit ornithine load or supplementation with Vitamin B6.
Gyrate Atrophy (GA) of the chomid and retina (MIM# 258870) is an autosomal recessive disorder due to mutations of the OAT gene encoding ornithine-delta-aminotransferase (OAT), associated with progressive retinal deterioration and blindness. The disease has a theoretical global incidence of approximately 1:1,500,000. OAT is mainly involved in ornithine catabolism in adults, thus explaining the hyperornithinemia as hallmark of the disease. Patients are treated with an arginine-restricted diet, to limit ornithine load, or the administration of Vitamin B6, a precursor of the OAT coenzyme pyridoxal phosphate. Although the clinical and genetic aspects of GA are known for many years, the enzymatic phenotype of pathogenic variants and their response to Vitamin B6, as well as the molecular mechanisms explaining retinal damage, are poorly clarified. Herein, we provide an overview of the current knowledge on the biochemical properties of human OAT and on the molecular, cellular, and clinical aspects of GA.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据