ArticleJournal of experimental & clinical cancer research : CR2019
miR-let-7b and miR-let-7c suppress tumourigenesis of human mucosal melanoma and enhance the sensitivity to chemotherapy.
Article in Journal of experimental & clinical cancer research : CR, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers.
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40 citing papers in PubMed, 59 citations in OpenAlex.
- Review
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- Calumenin, A Calcium-Binding Modulatory Protein, Effective in Pathological Calcifications and Cancers, With Therapeutic Application Promise.FASEB bioAdvances · 2025Review
- Omics in Cutaneous Melanoma.Asian Pacific journal of cancer prevention : APJCP · 2025Review
- Silencing Calumenin Expression via Artificial MicroRNA, a Potential Breakthrough for Inhibiting Proliferation, Halting Migration, and Triggering Apoptosis in Breast Cancer Cells.Advanced pharmaceutical bulletin · 2025Article
- Deciphering the let-7c-5p/RRM2 axis in lung adenocarcinoma: expression, prognosis, and immune landscape implications.Frontiers in oncology · 2025Article
- CALU promotes lung adenocarcinoma progression by enhancing cell proliferation, migration and invasion.Respiratory research · 2024Article
- Characteristics of MicroRNA Expression Depending on the Presence or Absence of Meningioma in Patients with Neurofibromatosis Type 2: A Secondary Analysis.Neurologia medico-chirurgica · 2024Article
- Exosomal Non-coding RNAs: A New Approach to Melanoma Diagnosis and Therapeutic Strategy.Current medicinal chemistry · 2024Review
- Upregulated expression of miR-4443 and miR-4488 in drug resistant melanomas promotes migratory and invasive phenotypes through downregulation of intermediate filament nestin.Journal of experimental & clinical cancer research : CR · 2023Article
- In Vitro microRNA Expression Profile Alterations under CDK4/6 Therapy in Breast Cancer.Biomedicines · 2023Article
- Melatonin Mitigates the Progression of Chemically Induced Hepatocellular Carcinoma in Rats via Targeting Wnt/Β-Catenin Pathway, and Small Noncoding miR-let-7b.Reports of biochemistry & molecular biology · 2023Article
- Expression signature and prognostic value of CREC gene family in human colorectal cancer.BMC cancer · 2023Article
- MicroRNAs in the Regulation of RIG-I-like Receptor Signaling Pathway: Possible Strategy for Viral Infection and Cancer.Biomolecules · 2023Review
- Exploratory integrated analysis of circulating exosomal miRNA and tissue mRNA related to long-term physical activity for more than 25 years: a bioinformatics study.European journal of applied physiology · 2023Article
- Current Trends in Mucosal Melanomas: An Overview.Cancers · 2023Review
- Five EMT-related genes signature predicts overall survival and immune environment in microsatellite instability-high gastric cancer.Cancer medicine · 2023Article
- Cucurbitacin B regulates lung cancer cell proliferation and apoptosisPharmaceutical biology · 2022Article
- Curcumin Sensitises Cancerous Kidney Cells to TRAIL Induced Apoptosis via Let-7C Mediated Deregulation of Cell Cycle Proteins and Cellular Metabolism.International journal of molecular sciences · 2022Article
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Authors and funding
15 authors at 2 institutions in 1 country.
Funding
Abstract
backgroundMucosal melanoma with poor prognosis is a common histopathologic subtype of melanoma among Chinese and other Asian peoples. Regulated microRNAs (miRNAs) have been reported as oncogenes or tumour suppressors in melanoma. However, the roles of specific miRNAs in mucosal melanoma remain largely unknown. Here, we aimed to assess the biological functions, molecular mechanisms and clinical potential of miR-let-7b and miR-let-7c in mucosal melanoma.
methodsThe expression of miR-let-7b and miR-let-7c in mucosal melanoma was determined by quantitative polymerase chain reaction (qPCR). Cutoff scores for miR-let-7b and miR-let-7c expressions were calculated through receiver operating characteristic (ROC) curve analysis in 106 mucosal melanoma patients according to recurrence. Correlations of miR-let-7b and miR-let-7c expression with clinicopathological characteristics, disease-free survival (DFS) and clinical benefits after treatment were then statistically analysed. The biological functions and molecular mechanisms of miR-let-7b and miR-let-7c were studied in vitro and in vivo.
resultsThe expression of miR-let-7b and miR-let-7c was decreased in 94 cases (88.7%) and 89 cases (84.0%) of 106 mucosal melanoma patients compared with mucosal nevi. A correlation was observed between the expression of miR-let-7b, miR-let-7c and DFS after surgery. In addition, overexpression of miR-let-7b or miR-let-7c inhibited mucosal melanoma cell growth, migration, invasion and metastasis and induced cell apoptosis and cell cycle arrest in vitro and in vivo. Mechanistically, miR-let-7b and miR-let-7c directly targeted metadherin (MTDH) and calumenin (CALU) and suppressed phospho-ERK in mucosal melanoma cells. MTDH and CALU reversed the partial function of miR-let-7b and miR-let-7c in vitro. Furthermore, progression-free survival (PFS) of mucosal melanoma patients upon temozolomide-based and paclitaxel-based chemotherapy was related to miR-let-7b and miR-let-7c expression. Overexpression of miR-let-7b or miR-let-7c in patient-derived xenograft (PDX) models and certain mucosal melanoma cells had better growth inhibition after temozolomide and paclitaxel treatment. MTDH reversed the sensitivity of miR-let-7b and miR-let-7c to paclitaxel in vitro.
conclusionsOur results suggested that miR-let-7b and miR-let-7c inhibited the recurrence of mucosal melanoma through inhibiting cell growth, migration, invasion and metastasis, inducing cell apoptosis and cell cycle arrest by targeting MTDH and CALU. In addition, miR-let-7b and miR-let-7c increased sensitivity to chemotherapeutic agents by targeting MTDH.
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