ArticleHistology and histopathology2022
Circ_0044520 regulates the progression of laryngeal squamous cell carcinoma via the miR-338-3p/ROR2 axis.
Article in Histology and histopathology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 7 citations in OpenAlex.
- A-to-I-Edited miR-1304-3p Inhibits Glycolysis and Tumor Growth of Esophageal Squamous Cell Carcinoma by Inactivating Wnt5a/ROR2 Signaling.Molecular carcinogenesis · 2025Article
- Circular RNAs in Respiratory Diseases.Advances in experimental medicine and biology · 2025Review
- The circRNA hsa-circ-0013561 regulates head and neck squamous cell carcinoma development via the miR-7-5p/PDK3 axis.Cancer cell international · 2024Article
- Non-coding RNAs as potential therapeutic targets for receptor tyrosine kinase signaling in solid tumors: current status and future directions.Cancer cell international · 2024Review
- Exploring the evolving roles and clinical significance of circRNAs in head and neck squamous cell carcinoma.Journal of Cancer · 2024Review
- Research progress on the role and mechanism of circular RNA in drug resistance of head and neck squamous cell carcinoma.Cancer drug resistance (Alhambra, Calif.) · 2024Review
- The Ror-Family Receptors in Development, Tissue Regeneration and Age-Related Disease.Frontiers in cell and developmental biology · 2022Review
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4 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundLaryngeal squamous cell carcinoma (LSCC) is the second most common malignant tumor in head and neck. Circular RNA_0044520 (circ_0044520) expression is increased in LSCC. However, the molecular mechanism of circ_0044520 remains unknown.
methodsThe expression of circ_0044520, microRNA-338-3p (miR-338-3p) and receptor tyrosine kinase-like orphan receptor 2 (ROR2) were detected by quantitative real-time fluorescence polymerase chain reaction (qRT-PCR). Cell viability, cell proliferation and apoptosis were detected by Cell Counting Kit-8 (CCK-8) assay, colony formation assay and Flow cytometry assay, respectively. Western blot examined the protein levels of PCNA, Cyclin D1, Bax, Bcl-2 and ROR2 cells. The relationship between miR-338-3p and circ_0044520 or ROR2 was verified by Dual-luciferase reporter assays. The xenotransplantation model was established to study the role of circ_0044520 in vivo.
resultsThe expression of circ_0044520 and ROR2 was increased in LSCC tissues and cells, while the expression of miR-338-3p was decreased. Circ_0044520 can sponge miR-338-3p, and ROR2 is the target of miR-338-3p. In vitro complement experiments showed that knockdown of circ_0044520 significantly inhibited malignant behavior of LSCC, while co-transfection of miR-338-3p inhibitor partially up-regulated this change. In addition, miR-338-3p can inhibit the proliferation of LSCC cells, while co-transfection of overexpression of ROR2 can partially reverse this change. Mechanically, circ_0044520 regulates ROR2 expression in LSCC cells by sponging miR-338-3p. In addition, in vivo studies have shown that down-regulation of circ_0044520 inhibits tumor growth.
conclusionCirc_0044520 silencing plays anti-proliferation and pro-apoptosis roles in LSCC cells by regulating the miR-338-3p/ROR2 axis, suggesting that the circ_0044520/miR-338-3p/ROR2 axis may be a potential regulatory mechanism for the treatment of LSCC.
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