ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2025
Haplotype-Resolved Genotyping and Association Analysis of 1,020 β-Thalassemia Patients by Targeted Long-Read Sequencing.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- A Prospective Multi-Center Newborn Screening for Thalassemia by Comprehensive Analysis of Thalassemia Alleles (CATSA) Based on Single Molecule Real-Time Sequencing in Guangxi, China.International journal of neonatal screening · 2026Article
- Mapping Current and Emerging Laboratory Techniques for Haemoglobinopathy Carrier Detection and Prevention: A Narrative Review from the HELIOS Action.International journal of molecular sciences · 2026Review
- Multi-centric origins and gene flow shape the diversity of β-thalassemia mutations in Southern East Asia.Nature communications · 2025Article
- Haplotype-Resolved Genotyping and Association Analysis of 1,020 β-Thalassemia Patients by Targeted Long-Read Sequencing.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Current research status of third-generation sequencing technology in thalassemia detection.Frontiers in pediatrics · 2025Review
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Authors and funding
45 authors.
Funding
Abstract
Despite the well-documented mutation spectra of β-thalassemia, the genetic variants and haplotypes of globin gene clusters modulating its clinical heterogeneity remain incompletely illustrated. Here, a targeted long-read sequencing (T-LRS) is demonstrated to capture 20 genes/loci in 1,020 β-thalassemia patients. This panel permits not only identification of thalassemia mutations at 100% of sensitivity and specificity, but also detection of rare structural variants (SVs) and single nucleotide variants (SNVs) in modifier genes/loci. The highly homologous regions of α-/β-globin gene clusters are then phased and 3 novel haplotypes in HBG1/HBG2 region are reported in this population of β-thalassemia patients. Furthermore, one of the haplotypes is associated with ameliorated symptoms of β-thalassemia. Similarly, 5 major haplotypes are identified in HBA1/HBA2 homologous region while one of them is found highly linked with deletional α-thalassemia mutations. Finally, rare mutations in erythroid transcription factors in DNMT1 and KLF1 associated with increased expression of fetal hemoglobin and reduced transfusion dependencies are identified. This study presents the largest T-LRS study for β-thalassemia patients to date, facilitating precise clinical diagnosis and haplotype phasing of globin gene clusters.
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