ArticleOrphanet journal of rare diseases2025
Upregulation of miR-17-3p is associated with HbF in patients with β-thalassemia and induces γ-globin expression by targeting BCL11A.
Article in Orphanet journal of rare diseases, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Clinical value of miR-329-3p in thalassemia and its regulation of TNRC6B expression.Annals of hematology · 2026Article
- miRNA-Mediated Regulation of γ-Globin to β-Globin Switching: Therapeutic Potential in β-Hemoglobinopathies.International journal of molecular sciences · 2026Review
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10 authors.
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Abstract
backgroundLarge number of microRNAs (miRNAs) have been found to be dysregulated in β-thalassemia, but their roles in β-thalassemia are poorly reported. This study aims to investigate the clinical significance of miR-17-3p in β-thalassemia, and to elucidate its regulatory effect on erythropoiesis and γ-globin expression.
methodsWe collected peripheral blood samples from 17 patients with β-thalassemia (including intermedia and major subtypes) and 17 healthy controls, and the expression levels of miR-17-3p, BCL11 transcription factor A (BCL11A) and γ-globin were detected by qRT-PCR, and their correlations were analyzed. The regulation of miR-17-3p on BCL11A was evaluated in K562 cells by bioinformatics, luciferase reporter gene assay, fluorescence in situ hybridization and Western blotting. Furthermore, the effects on miR-17-3p overexpression and knockdown on erythropoiesis including cell proliferation, cell cycle, cell apoptosis, and erythroid differentiation of K562 cells were assessed by CCK-8, flow cytometry and benzidine blue staining.
resultsThe expression of miR-17-3p was upregulated in patients with β-thalassemia, and was positively correlated with fetal hemoglobin (HbF) levels. BCL11A expression was reduced in β-thalassemia patients, and was negatively correlated with miR-17-3p and γ-globin expression. BCL11A was identified as a target gene of miR-17-3p, and was negatively regulated by miR-17-3p. Furthermore, miR-17-3p mediated the upregulation of γ-globin expression in K562 cells through BCL11A. In addition, neither overexpression nor knockdown of miR-17-3p appeared to affect cell proliferation, cell cycle, cell apoptosis or erythroid differentiation of K562 cells in vitro.
conclusionThe upregulated miR-17-3p is associated with HbF in patients with β-thalassemia. Although miR-17-3p does not affect erythropoiesis, it promotes γ-globin expression by targeting BCL11A, suggesting that miR-17-3p may be a promising miRNA for the treatment of β-thalassemia.
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