Extracellular vesicles and microRNAs in cancer progression.

Advances in clinical chemistry Pub Date : 2025-01-01 Epub Date: 2025-01-28 DOI:10.1016/bs.acc.2024.11.004

Nicola S Orefice, Gianluca Petrillo, Claudia Pignataro, Martina Mascolo, Giada De Luca, Sara Verde, Francesca Pentimalli, Gerolama Condorelli, Cristina Quintavalle

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Abstract

Extracellular vesicles (EVs) have emerged as critical mediators of intercellular communication in cancer. These membranous structures, secreted by normal and cancerous cells, carry a cargo of bioactive molecules including microRNAs (miRNAs) that modulate various cellular processes. miRNAs are small non-coding RNAs that play pivotal roles in post-transcriptional gene regulation and have been implicated in cancer initiation, progression, and metastasis. In cancer, tumor-derived EVs transport specific miRNAs to recipient cells, modulating tumorigenesis, growth, angiogenesis, and metastasis. Dysregulation of miRNA expression profiles within EVs contributes to the acquisition of cancer hallmarks that include increased proliferation, survival, and migration. EV miRNAs influence the tumor microenvironment, promoting immune evasion, remodeling the extracellular matrix, and establishing pre-metastatic niches. Understanding the complex interplay between EVs, miRNAs, and cancer holds significant promise for developing novel diagnostic and therapeutic strategies. This chapter provides insights into the role of EV-mediated miRNA signaling in cancer pathogenesis, highlighting its potential as a biomarker for cancer detection, prognosis, and treatment response assessment.

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