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  • Title: Tyrosinemia type II (Richner-Hanhart syndrome): a new mutation in the TAT gene.
    Author: Culic V, Betz RC, Refke M, Fumic K, Pavelic J.
    Journal: Eur J Med Genet; 2011; 54(3):205-8. PubMed ID: 21145993.
    Abstract:
    In the present study we report the clinical features and the molecular genetic investigation of the tyrosine aminotransferase (TAT) gene in a young girl from Croatia with Richner-Hanhart syndrome, mainly suffering from photophobia, hyperkeratosis of the palmes and soles and slight neurological abnormalities. Sequencing analysis of the TAT gene revealed a novel homozygous missense mutation c.1250G>A (p.R417Q) in exon 12, and herewith confirmed the clinical diagnosis. Showing the first symptoms in babyhood, at the age of 8 years it was for the first time clinically diagnosed that the patient suffers from tyrosinemia type II and a therapy with tyrosine and phenylalanine reduced diet has been started successfully. All symptoms disappeared within 2-4 weeks. Since that time, we have been following the girl until today for more than ten years. She is in a good condition, and attends the normal high school program.
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