{"title":"Nuclear-activating miRNAs: unveiling the intricacies of subcellular miRNA function and regulation in cancer and immunity disease.","authors":"Xiang Ren, Gang Liu, Jianping Zhou","doi":"10.1186/s12935-025-03760-8","DOIUrl":null,"url":null,"abstract":"<p><p>MicroRNAs (miRNAs) are small non-coding RNAs that traditionally recognized as negative regulators of gene expression through post-transcriptional regulation in the cytoplasm. However, recent discoveries have unveiled some novel miRNA functions in the cell nucleus, where a subset of miRNAs, termed nuclear-activating miRNAs (NamiRNAs), play pivotal roles in gene activation and transcriptional regulation for cancer and immunity disease. The discovery of NamiRNAs demonstrated a complementary regulatory function of miRNA, showing their differential activities in the nucleus and cytoplasm. This review aims to explore the biogenesis, mechanisms, and regulatory functions of NamiRNAs, deciphering their involvement in NamiRNA-gene network for gene expression modulation, and emerging significance as drug targets against cancer.</p>","PeriodicalId":9385,"journal":{"name":"Cancer Cell International","volume":"25 1","pages":"147"},"PeriodicalIF":5.3000,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11998458/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Cancer Cell International","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1186/s12935-025-03760-8","RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ONCOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
MicroRNAs (miRNAs) are small non-coding RNAs that traditionally recognized as negative regulators of gene expression through post-transcriptional regulation in the cytoplasm. However, recent discoveries have unveiled some novel miRNA functions in the cell nucleus, where a subset of miRNAs, termed nuclear-activating miRNAs (NamiRNAs), play pivotal roles in gene activation and transcriptional regulation for cancer and immunity disease. The discovery of NamiRNAs demonstrated a complementary regulatory function of miRNA, showing their differential activities in the nucleus and cytoplasm. This review aims to explore the biogenesis, mechanisms, and regulatory functions of NamiRNAs, deciphering their involvement in NamiRNA-gene network for gene expression modulation, and emerging significance as drug targets against cancer.
期刊介绍：
Cancer Cell International publishes articles on all aspects of cancer cell biology, originating largely from, but not limited to, work using cell culture techniques.
The journal focuses on novel cancer studies reporting data from biological experiments performed on cells grown in vitro, in two- or three-dimensional systems, and/or in vivo (animal experiments). These types of experiments have provided crucial data in many fields, from cell proliferation and transformation, to epithelial-mesenchymal interaction, to apoptosis, and host immune response to tumors.
Cancer Cell International also considers articles that focus on novel technologies or novel pathways in molecular analysis and on epidemiological studies that may affect patient care, as well as articles reporting translational cancer research studies where in vitro discoveries are bridged to the clinic. As such, the journal is interested in laboratory and animal studies reporting on novel biomarkers of tumor progression and response to therapy and on their applicability to human cancers.
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