Journal
CELLS
Volume 9, Issue 5, Pages -Publisher
MDPI
DOI: 10.3390/cells9051141
Keywords
extracellular vesicles; hallmarks of cancer; tumor microenvironment; cancer drug resistance
Categories
Funding
- Fundacao para a Ciencia e Tecnologia (FCT)
- Fundo Social Europeu (FSE), Portugal [SFRH/BPD/122871/2016]
- FEDER-Fundo Europeu de Desenvolvimento Regional through COMPETE 2020
- FCT-Foundation for Science and Technology [POCI-01-0145-FEDER-030457]
- FEDER-Fundo Europeu de Desenvolvimento Regional funds through the COMPETE 2020-Operacional Programme for Competitiveness and Internationalisation (POCI), Portugal 2020
- Portuguese funds through FCT-Fundacao para a Ciencia e a Tecnologia/Ministerio da Ciencia, Tecnologia e Inovacao [POCI-01-0145-FEDER-007274]
- Fundação para a Ciência e a Tecnologia [SFRH/BPD/122871/2016] Funding Source: FCT
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Extracellular vesicles (EVs) mediate intercellular signaling and communication, allowing the intercellular exchange of proteins, lipids, and genetic material. Their recognized role in the maintenance of the physiological balance and homeostasis seems to be severely disturbed throughout the carcinogenesis process. Indeed, the modus operandi of cancer implies the highjack of the EV signaling network to support tumor progression in many (if not all) human tumor malignancies. We have reviewed the current evidence for the role of EVs in affecting cancer hallmark traits by: (i) promoting cell proliferation and escape from apoptosis, (ii) sustaining angiogenesis, (iii) contributing to cancer cell invasion and metastasis, (iv) reprogramming energy metabolism, (v) transferring mutations, and (vi) modulating the tumor microenvironment (TME) by evading immune response and promoting inflammation. Special emphasis was given to the role of EVs in the transfer of drug resistant traits and to the EV cargo responsible for this transfer, both between cancer cells or between the microenvironment and tumor cells. Finally, we reviewed evidence for the increased release of EVs by drug resistant cells. A timely and comprehensive understanding of how tumor EVs facilitate tumor initiation, progression, metastasis and drug resistance is instrumental for the development of innovative EV-based therapeutic approaches for cancer.
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