ArticleMolecular genetics & genomic medicine2023
Clinical outcome and genotype analysis of four Chinese children with pyruvate kinase deficiency.
Article in Molecular genetics & genomic medicine, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 2 citations in OpenAlex.
- Two Novel PKLR Variants in Pyruvate Kinase Deficiency: Insights From Clinical, Molecular and Functional Analysis.International journal of laboratory hematology · 2026Article
- Genetic screening strategy for children with hereditary spherocytosis in Jiangxi Province of China.Frontiers in pediatrics · 2024Article
- Clinical outcome and genotype analysis of four Chinese children with pyruvate kinase deficiency.Molecular genetics & genomic medicine · 2023Article
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8 authors at 1 institution in 1 country.
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Abstract
backgroundPyruvate kinase deficiency (PKD) is a rare congenital hemolytic anemia. Here, we summarized the clinical features and laboratory examinations of four Chinese children with PKD and analyze genomic mutations.
methodCollected and analyzed the clinical data of all children and their parents and completed the relevant laboratory examinations of all children. Analyzed the sequences of related genes in children by second-generation sequencing technology and verified the suspected mutations in children's family by Sanger sequencing method or second-generation sequencing technology.
resultsA total of six mutations in gene PKLR were detected in four cases. Except for c.1510C>T (P1) and c.941T>C (P2 and P4), which had been reported in previous studies, the other four novel gene mutations were reported for the first time, including a rare homozygous mutation with large fragment deletion. All those gene mutations cause changes in the amino acids encoded by the gene, as well as subsequent changes in protein structure or loss of function.
conclusionCompound heterozygous or homozygous mutations in the coding region of PKLR gene are the causes of PKD in these four Chinese children. The second-generation sequencing technology is an effective means to diagnose PKD. The mutations of c.457-c.462delATCGCC, c.1297T>C, c.1096C>T and Exon4-10del of PKLR reported in this article have not been included in the Thousand Genome Database, dbSNP(v138) and ExAC Database. The PKLR gene mutations found in these children with PKD can provide references for further research of the genetic characteristics of PKD and subsequent gene therapy.
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