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The Crosstalk between Tumor Cells and the Microenvironment in Hepatocellular Carcinoma: The Role of Exosomal microRNAs and Their Clinical Implications

1
Fondazione Italiana Fegato—ONLUS, Liver Research Center, Basovizza, 34149 Trieste, Italy
2
Center for Molecular Biomedicine, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City 70000, Vietnam
3
Department of Pathology Anatomy, Hasanuddin University, Makassar 90245, Indonesia
*
Author to whom correspondence should be addressed.
Cancers 2020, 12(4), 823; https://doi.org/10.3390/cancers12040823
Received: 6 March 2020 / Revised: 26 March 2020 / Accepted: 27 March 2020 / Published: 29 March 2020
(This article belongs to the Special Issue Human Hepatocellular Carcinoma (HCC))
The communication between hepatocellular carcinoma (HCC) cells and their microenvironment is an essential mechanism supporting or preventing tumor development and progression. Recent evidence has identified extracellular vesicles (EVs) as one of the mechanisms mediating paracrine signaling between cells. Exosomes, the most described class of EVs, deliver proteins, mRNAs, noncoding RNAs, DNA, and lipids to recipient cells, also at remote distances. MicroRNAs (miRNAs), as part of the non-coding RNA exosomal cargo, have an important role in regulating cellular pathways in targeted cells, regulating several processes related to tumor progression invasion and metastasis, such as angiogenesis, immune-escape, epithelial-to-mesenchymal transition, invasion, and multi-drug resistance. Accumulating evidence suggests exosomal miRNAs as relevant players in the dynamic crosstalk among cancerous, immune, and stromal cells in establishing the tumorigenic microenvironment. In addition, they sustain the metastasic niche formation at distant sites. In this review, we summarized the recent findings on the role of the exosome-derived miRNAs in the cross-communication between tumor cells and different hepatic resident cells, with a focus on the molecular mechanisms responsible for the cell re-programming. In addition, we describe the clinical implication derived from the exosomal miRNA-driven immunomodulation to the current immunotherapy strategies and the molecular aspects influencing the resistance to therapeutic agents. View Full-Text
Keywords: exosomes; miRNA; exosomal miRNA; hepatocellular carcinoma; liver cancer; HCC; tumor microenvironment; TME exosomes; miRNA; exosomal miRNA; hepatocellular carcinoma; liver cancer; HCC; tumor microenvironment; TME
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MDPI and ACS Style

Pascut, D.; Pratama, M.Y.; Vo, N.V.T.; Masadah, R.; Tiribelli, C. The Crosstalk between Tumor Cells and the Microenvironment in Hepatocellular Carcinoma: The Role of Exosomal microRNAs and Their Clinical Implications. Cancers 2020, 12, 823. https://doi.org/10.3390/cancers12040823

AMA Style

Pascut D, Pratama MY, Vo NVT, Masadah R, Tiribelli C. The Crosstalk between Tumor Cells and the Microenvironment in Hepatocellular Carcinoma: The Role of Exosomal microRNAs and Their Clinical Implications. Cancers. 2020; 12(4):823. https://doi.org/10.3390/cancers12040823

Chicago/Turabian Style

Pascut, Devis; Pratama, Muhammad Y.; Vo, Niem V.T.; Masadah, Rina; Tiribelli, Claudio. 2020. "The Crosstalk between Tumor Cells and the Microenvironment in Hepatocellular Carcinoma: The Role of Exosomal microRNAs and Their Clinical Implications" Cancers 12, no. 4: 823. https://doi.org/10.3390/cancers12040823

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