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  • Title: Identification of a novel mutation in the ALDOB gene in hereditary fructose intolerance.
    Author: Beyzaei Z, Ezgu F, Imanieh MH, Haghighat M, Dehghani SM, Honar N, Geramizadeh B.
    Journal: J Pediatr Endocrinol Metab; 2023 Mar 28; 36(3):331-334. PubMed ID: 36659819.
    Abstract:
    OBJECTIVES: Hereditary fructose intolerance (HFI) is caused by aldolase B enzyme deficiency. There has been no report about HFI from Iran and the type of mutations has not been reported in the Iranian population so far. CASE PRESENTATION: Herein we report a 2 year old girl presented with failure to thrive, hepatomegaly, and liver dysfunction. The primary impression has been hepatic glycogen storage disease type 1 or 6. This diagnosis was not confirmed by laboratory data and liver biopsy. Therefore, targeted-gene sequencing (TGS) covering 450 genes involved in inborn errors in metabolic diseases was performed. The results of TGS showed a rare novel homozygous pathogenic variant c.944del (p.Gly315ValfsTer15) in the ALDOB gene. CONCLUSIONS: This report introduces a novel variant that expands the mutational spectrum of the ALDOB gene in patients with HFI.
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