ReviewBiology direct2026
The miR-143/145 cluster in prostate cancer: molecular regulation, context-dependent functions, and medical implications.
Review in Biology direct, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Authors and funding
2 authors.
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Abstract
The microRNA (miR) cluster miR-143/145 represents a well-characterized tumor-suppressive regulatory system with a multifaceted role in prostate cancer. Both miRs are consistently downregulated during disease progression, and their loss is associated with enhanced proliferation, invasion, epithelial–mesenchymal transition, and metastatic competence. Mechanistically, the cluster modulates Rat Sarcoma Viral Oncogene Homolog (RAS)-Mitogen Activated Protein Kinase (MAPK) signaling via Kirsten Rat Sarcoma Viral Oncogene Homolog (KRAS) and Extracellular Signal-Regulated Kinase 5 (ERK5), Tumor Protein p53 (p53)-dependent growth control through MYC Proto-Oncogene, Basic Helix-Loop-Helix Transcription Factor (c-MYC) repression, apoptosis via B-Cell Lymphoma 2 Interacting Protein 3 (BNIP3), and cytoskeleton-associated motility factors including Fascin Actin-Bundling Protein 1 (FSCN1), Human Enhancer of Filamentation 1/ Neural Precursor Cell Expressed, Developmentally Down-Regulated Protein 9 (HEF1/NEDD9), Golgi Membrane Protein 1 (GOLM1), and Fibronectin Type III Domain Containing 3B (FNDC3B). Downregulation is mainly driven by p53 dysfunction, promoter methylation, and RAS-dependent transcriptional repression. A defining feature is pronounced cell-type specificity, with tumor-suppressive effects in epithelial cells and context-dependent pro-angiogenic functions in stromal compartments, with direct translational relevance. Clinically, miR-143/145 contribute to multimarker diagnostic signatures, while reduced miR-145 correlates with adverse pathology and biochemical recurrence. Preclinical replacement strategies reduce tumor growth and enhance docetaxel sensitivity, yet context-dependent effects necessitate cell type-specific delivery. Overall, the cluster represents a central regulator with diagnostic, prognostic, and therapeutic potential requiring prospective validation.
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