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  • Title: Ocular Features in Chinese Patients with Blau Syndrome.
    Author: Wu S, Zhong L, Sun Z, Zhu T, Song H, Sui R.
    Journal: Ocul Immunol Inflamm; 2020; 28(1):79-85. PubMed ID: 30806112.
    Abstract:
    Purpose: To identify pathogenic gene variants in the NOD2 gene and assess the clinical features of a cohort of Chinese patients affected with Blau syndrome.Methods: Eight patients from seven unrelated families were enrolled. Detailed ophthalmological examinations were performed. Sanger sequencing was used to analyze the NOD2 gene.Results: The onset age of ocular manifestations varied from 2 to 24 years (median: 5.5 years). Best corrected visual acuity (BCVA) ranged from light perception (LP) to 1.0. One patient presented with recurrent anterior uveitis, six patients had panuveitis and one patient was at the phthisis bulbi stage. One novel disease-associated variant (c.2006A>G, p.His669Arg) and four previously reported disease-causing variants (c.1000C>T, p.Arg334Trp; c.1001G>A, p.Arg334Gln; c.1442G>A, p.Gly481Asp; c.1759C>T, p.Arg587Cys) in the NOD2 gene (NM_022162.1) were identified.Conclusions: Blau syndrome is a rare autosomal dominant multisystem disease caused by a NOD2 gene defect. Recurrent anterior uveitis and/or panuveitis are the characteristic ocular findings.
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