Journal
CANCERS
Volume 14, Issue 14, Pages -Publisher
MDPI
DOI: 10.3390/cancers14143552
Keywords
exosome; tumor microenvironment; oncovirus; cancers
Categories
Funding
- Natural Science Foundation of Shandong Province [ZR2020MH302, ZR2020MC020]
- Qingdao Science and Technology Benefit the People Demonstration and Guidance Special Project [20-3-4-35-nsh]
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Oncogenic viral infection can affect the tumor microenvironment through exosomes, promoting tumor progression. Exosomes are extracellular membrane vesicles that contain lipids, nucleic acids, and proteins, and they can exchange information between cells. Many studies have shown that various tumor-associated viruses can exert their biological functions through exosomes.
Simple Summary Oncogenic viral infection may lead to cancers, such as nasopharyngeal carcinoma, hepatocellular carcinoma, and cervical cancer. In addition to the tumor cells themselves, the tumor microenvironment also plays a decisive role in tumor evolution. Oncogenic viruses can affect the tumor microenvironment via exosomes influencing the occurrence and development of tumors by encapsulating and transporting viral components. This review focuses on the effects of virus-infected cancer exosomes on tumor microenvironment and tumor progression. Exosomes are extracellular membrane vesicles with a diameter of 30-100 nm, produced by different eukaryotic cells that contain multitudinous lipids, nucleic acids, and proteins. They transfer membrane components and nucleic acids between cells, thereby performing an information exchange between cells. Many studies have shown that a variety of tumor-associated viruses can exert their biological functions through exosomes. The tumor microenvironment (TME) is very important in the occurrence, development, and chemoresistance of tumors. It is composed of tumor cells, fibroblasts, endothelial cells, immune cells, stromal cells, and acellular components, such as exosomes and cytokines. This review focuses on the effects of virus-related components secreted by tumor cells over the TME in several virus-associated cancers.
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