Evidence map›Paper›PMID 39267050›Full record

ArticleBMC pediatrics2024

Phenotypic and genetic characterization of children with Wilson Disease from Northeast China.

Tianhe Zhang, Wenliang Song, Zhiqin Mao

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Article in BMC pediatrics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

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4citing papers in PubMed
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1 · What the graph read from it

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3 · Its place in the literature

Who cites it

4 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

3 authors.

Tianhe Zhang *Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang City, Liaoning Province, People's Republic of China.
Wenliang Song *Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang City, Liaoning Province, People's Republic of China.
Zhiqin MaoDepartment of Pediatrics, Shengjing Hospital of China Medical University, Shenyang City, Liaoning Province, People's Republic of China. maozq6590@126.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundWilson disease (WD) is an autosomal recessive inherited disease caused by ATP7B variants and characterized by copper metabolism defects. However, children with WD are often asymptomatic, making the clinical diagnosis difficult. Therefore, more accurate methods are required for clinical diagnosis. The objective of this study was to highlight the phenotypic and genetic characteristics of children with WD in northeast China.

methodsWe retrospectively analyzed the clinical data and gene sequencing results of 65 children with WD from January 1, 2014, to December 31, 2022, at the Shengjing Hospital of China Medical University. All data refer to the time of diagnosis before treatment.

resultsThe median age at diagnosis was 5 years (range 1.2-15 years). In 50 cases (50/65, 76.9%) patients, routine physical examinations revealed only abnormal liver function. However, they had a significantly negative (p < 0.05) Kayser-Fleischer ring (KF). Children with acute liver failure had significantly increased 24 h urinary copper excretion (p < 0.05). We detected 46 genetic variants of ATP7B, including seven novel variants. The most frequent variant was p.R778L with an allele frequency of 38.7%. Phenotype-genotype correlation analysis suggested that p.R778L was significantly associated with lower serum ceruloplasmin levels and higher zinc levels (p < 0.05). The loss-of-function (LOF) variant was associated with significantly lower albumin levels (p < 0.05).

conclusionMost children with WD are asymptomatic, which makes early diagnosis of WD difficult. Therefore, clinical and laboratory characteristics as well as genetic testing are essential. p.R778L is the most frequent variant of ATP7B in China and may play an important role in lowering serum ceruloplasmin levels.

Indexed as

Copper-Transporting ATPasesHepatolenticular DegenerationPhenotypeAdolescentCeruloplasminChildChild, PreschoolChinaCopperFemaleGenetic Association StudiesHumansInfantMaleMutationRetrospective StudiesATP7B protein, humanCeruloplasminCopperCopper-Transporting ATPasesChildrenChinaGeneWilson disease

Identifiers

PMID39267050
PMCPMC11391784

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