ArticleTurkish journal of haematology : official journal of Turkish Society of Haematology2023
Circular RNA PVT1 Regulates Cell Proliferation, Migration, and Apoptosis by Stabilizing c-Myc and Downstream Target CXCR4 Expression in Acute Myeloid Leukemia
Article in Turkish journal of haematology : official journal of Turkish Society of Haematology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers, 2 of them syntheses that pooled it.
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Who cites it
8 citing papers in PubMed, 2 syntheses or guidelines pooled it, 14 citations in OpenAlex.
- Prognostic value of circular RNAs expression and their correlation with clinicopathological features in acute myeloid leukemia: a systematic review and meta-analysis.Annals of hematology · 2025Pooled it
- Circular RNA as Diagnostic and Prognostic Biomarkers in Hematological Malignancies:Systematic Review.Technology in cancer research & treatmentPooled it
- Assessing the contributions of noncoding RNAs in acute myeloid leukemia.Blood neoplasia · 2026Review
- Recent advances in drug delivery and treatment strategies for acute myeloid leukemia.International journal of pharmaceutics · 2025Review
- The emerging functions and clinical implications of circRNAs in acute myeloid leukaemia.Cancer cell international · 2025Review
- MEF2A is a transcription factor for circPVT1 and contributes to the malignancy of acute myeloid leukemia.International journal of oncology · 2024Article
- Review
- CircRNAs as New Therapeutic Entities and Tools for Target Identification in Acute Myeloid Leukemia.Cancer genomics & proteomicsReview
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Objective: This study aimed to investigate the role and mechanism of circular RNA PVT1 (circPVT1) in patients with acute myeloid leukemia (AML). Materials and Methods: The expression of circPVT1 in 23 patients with de novo AML (not acute promyelocytic leukemia, not APL) and cell lines were detected by RT-qPCR. Loss of function assays were carried out to explore the influence of silenced circPVT1 on the proliferation, migration, and apoptosis in the THP-1 cell line. CCK-8 assays, trans-well assays, and annexin V/PI staining assays were performed to assess proliferation, migration, and apoptosis, respectively. Results: CircPVT1 was highly expressed in AML patients and myeloid cell lines compared to healthy controls. Higher expression of circPVT1 was related to shorter overall survival (OS) and relapse-free survival (RFS) in AML patients. Cell viability and migration were inhibited and apoptosis was increased when circPVT1 was knocked down in THP-1 cells. Knockdown of circPVT1 resulted in marked suppression of c-Myc protein with no significant change in mRNA levels. We also found that circPVT1 knockdown markedly increased the phosphorylation of c-Myc Thr-58, which was responsible for c-Myc degradation. Silencing of c-Myc caused a significant decrease in CXCR4 mRNA and protein expression, whereas the overexpression of c-Myc caused the opposite result, suggesting that CXCR4 is a target molecule of c-Myc. Finally, we found that overexpression of c-Myc could partially reverse circPVT1 knockdown-induced anti-tumor effects on THP-1 cells in vitro. Conclusion: Our findings showed that circPVT1 was highly expressed in AML patients and was related to shorter OS and RFS. CircPVT1 may exert an oncogenic effect in THP-1 cells by stabilizing c-Myc protein expression and downstream target CXCR4 expression. These data indicate that circPVT1 may be a promising therapeutic target for AML.
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