Wilson Disease With Novel Compound Heterozygote Mutations in the <i>ATP7B</i> Gene Presenting With Severe Diabetes.
case_report · Level V
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- Record sourced from PubMed, PMID 32291276.
- Also identified by DOI 10.2337/dc19-2033.
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Abstract
To determine the relationship between <i>ATP7B</i> mutations and diabetes in Wilson disease (WD). A total of 21 exons and exon-intron boundaries of <i>ATP7B</i> were identified by Sanger sequencing. Two novel compound heterozygous mutations (c.525 dupA/ Val176Serfs*28 and c.2930 C>T/ p.Thr977Met) were detected in <i>ATP7B</i>. After d-penicillamine (D-PCA) therapy, serum aminotransferase and ceruloplasmin levels in this patient were normalized and levels of HbA<sub>1c</sub> decreased. However, when the patient ceased to use D-PCA due to an itchy skin, serum levels of fasting blood glucose increased. Dimercaptosuccinic acid capsules were prescribed and memory recovered to some extent, which was accompanied by decreased insulin dosage for glucose control by 5 units. This is the first report of diabetes caused by WD.
Medical subject headings
- Copper-Transporting ATPases
- Diabetes Mellitus
- Hepatolenticular Degeneration
- Mutation, Missense