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http://dx.doi.org/10.3109/03630268808991657 | DOI Listing |
Mol Biol Rep
January 2025
Department of Zoology, The University of Burdwan, Bardhaman, West Bengal, 713104, India.
Background: This study aimed to develop and validate a targeted next-generation sequencing (NGS) panel along with a data analysis algorithm capable of detecting single-nucleotide variants (SNVs) and copy number variations (CNVs) within the beta-globin gene cluster. The aim was to reduce the turnaround time in conventional genotyping methods and provide a rapid and comprehensive solution for prenatal diagnosis, carrier screening, and genotyping of β-thalassemia patients.
Methods And Results: We devised a targeted NGS panel spanning an 80.
Hemoglobin
January 2025
Department of Biomedical and Science Therapeutic, Faculty of Medicine and Health Sciences, Universiti Malaysia Sabah, Kota Kinabalu, Malaysia.
Sabah has the highest prevalence of β-thalassemia in Malaysia, with the Filipino β-deletion as the predominant mutation. Patients with the homozygous Filipino β-deletion exhibit phenotypic heterogeneity due to various genetic modifiers, yet the effects of these modifiers on the clinical phenotype remain poorly understood. This study investigated the effects of the coinheritance of α-thalassemia, I-γ rs7482144, rs766432, and 5'HS4 rs16912979 polymorphisms on the clinical phenotype of homozygous Filipino β-deletion patients in Sabah.
View Article and Find Full Text PDFZhongguo Shi Yan Xue Ye Xue Za Zhi
December 2024
Central Laboratory, Guangxi Key Laboratory of Metabolic Reprogramming and Intelligent Medical Engineering for Chronic Diseases, The Second Affiliated Hospital of Guilin Medical University, Guilin 541199, Guangxi Zhuang Autonomous Region, China.
Adv Sci (Weinh)
December 2024
Innovation Center for Diagnostics and Treatment of Thalassemia, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China.
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.
View Article and Find Full Text PDFInt J Lab Hematol
December 2024
Department of Hematology, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India.
Background: δβ-thalassemia/HPFH is an uncommon hemoglobinopathy characterized by decreased or the total absence of production of δ- and β-globin and increased HbF levels. Both these disorders have variable genotype and phenotype, but significant overlap in the clinical and laboratory findings. Given the lack of literature in this regard, the study aimed to estimate the prevalence of the disease and evaluate its clinical, hematological, and molecular profile in India.
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