Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 23, Issue 22, Pages -Publisher
MDPI
DOI: 10.3390/ijms232213974
Keywords
MSCs; mesenchymal stem cells; exosomes; tumor; drug delivery
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New therapeutic approaches are urgently needed for combating metastatic cancers, which cause over 8 million deaths per year worldwide. Mesenchymal stem cells (MSCs) have shown potential as a novel treatment option for cancer, with their exosomes playing a crucial role in regulating tumor progression. However, there is still controversy surrounding the exact association between MSC-derived exosomes and tumors. Nevertheless, the use of MSC-derived exosomes as drug delivery systems and standalone therapeutics is actively being explored, and engineering these exosomes to target tumor cells shows promise in improving the efficacy of antitumor therapy.
There remains a vital necessity for new therapeutic approaches to combat metastatic cancers, which cause globally over 8 million deaths per year. Mesenchymal stem cells (MSCs) display aptitude as new therapeutic choices for cancer treatment. Exosomes, the most important mediator of MSCs, regulate tumor progression. The potential of harnessing exosomes from MSCs (MSCs-Exo) in cancer therapy is now being documented. MSCs-Exo can promote tumor progression by affecting tumor growth, metastasis, immunity, angiogenesis, and drug resistance. However, contradictory evidence has suggested that MSCs-Exo suppress tumors through several mechanisms. Therefore, the exact association between MSCs-Exo and tumors remains controversial. Accordingly, the applications of MSCs-Exo as novel drug delivery systems and standalone therapeutics are being extensively explored. In addition, engineering MSCs-Exo for targeting tumor cells has opened a new avenue for improving the efficiency of antitumor therapy. However, effective implementation in the clinical trials will need the establishment of standards for MSCs-Exo isolation and characterization as well as loading and engineering methods. The studies outlined in this review highlight the pivotal roles of MSCs-Exo in tumor progression and the promising potential of MSCs-Exo as therapeutic drug delivery vehicles for cancer treatment.
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