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  • Title: Clinical and genetic analysis for a Chinese family with hereditary fructose intolerance.
    Author: Chi ZN, Hong J, Yang J, Zhang HJ, Dai M, Cui B, Zhang Y, Gu WQ, Zhang YF, Liu QR, Wang WQ, Li XY, Ning G.
    Journal: Endocrine; 2007 Aug; 32(1):122-6. PubMed ID: 17955389.
    Abstract:
    Hereditary fructose intolerance (HFI) is an inheritable disorder of fructose metabolism, inherited as an autosomal recessive disorder and caused by catalytic deficiency of aldolase B, which is critical for gluconeogenesis and fructose metabolism. The affected individuals develop severe hypoglycemia after taking foods containing fructose and cognate sugars. The exons 2-9 of the aldolase B (gene symbol ALDOB) gene from one Chinese HFI patient were amplified by the polymerase chain reaction (PCR), and direct sequence determination was applied to the amplified fragments. The mutation of a 4-bp (AACA) deletion (479_482 del) in exon 4 of ALDOB gene was identified in the patient, which had been reported to cause a frameshift at codon 118 and a truncated protein of 132 amino acids in the previous study. Then, the second case with the same homozygote deletion and eight cases with heterozygotes had been found through screening for the mutation c.479_482 del AACA in the whole family. This is the first report of HFI with the mutation c.479_482 del AACA in the ALDOB gene in a Chinese family.
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