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Research Articles

ATP7B Gene Variant Profile İdentified by NGS in Wilson’s Disease

ORCID Icon, ORCID Icon, &
Pages 891-900 | Received 15 May 2023, Accepted 12 Sep 2023, Published online: 22 Sep 2023
 

Abstract

Background: Wilson’s disease (WD) is a copper metabolism disorder caused by ATP7B gene mutations and shows an autosomal recessive pattern of inheritance. We aimed to contribute to the mutation profile of ATP7B and show demographic and phenotypic differences in this study. Materials and methods: The clinical and demographic characteristics of patients who underwent ATP7B gene sequence analysis using next-generation sequencing were evaluated to improve genotype-phenotype correlation in WD. Results: An uncertain significance (D563N) and seven likely pathogenic (Y532D, Y715Y, T977K, K1028*, E1086K, A1227Pfs*103, and E1242K) variants were identified as associated with WD. Uniparental disomy was detected in one case. Conclusion: Our work expanded the ATP7B variant spectrum and pointed to clinical heterogeneity in ATP7B variants among patients with WD. All symptomatic patients had hepatic involvement and were clinically and/or genetically diagnosed with WD in the pediatric period. T977K, A1003V, H1069Q, E1086K, and N1270S variants were associated with hepatic failure.

Acknowledgments

We thank our patients and their parents.

Author contributions

Orhan Gorukmez, Taner Özgür, Ozlem Gorukmez, and Ali Topak collected data from their own patients. Orhan Gorukmez and Ozlem Gorukmez wrote the article.

Disclosure statement

No potential conflict of interest was reported by the authors.

Additional information

Funding

The author(s) reported there is no funding associated with the work featured in this article.

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