Exosomes and Cancer Immune Suppression
Author Information
Author(s): Ichim Thomas E, Zhong Zhaohui, Kaushal Shalesh, Zheng Xiufen, Ren Xiubao, Hao Xishan, Joyce James A, Hanley Harold H, Riordan Neil H, Koropatnick James, Bogin Vladimir, Minev Boris R, Min Wei-Ping, Tullis Richard H
Primary Institution: Medistem Laboratories Inc, San Diego, USA
Hypothesis
Can exosomes secreted by cancer cells contribute to immune suppression and affect cancer therapy outcomes?
Conclusion
The study suggests that exosomes play a significant role in tumor immune evasion and proposes a novel therapeutic approach to remove these exosomes to enhance immune response against cancer.
Supporting Evidence
- Exosomes from cancer cells can express immune suppressive molecules.
- High concentrations of exosomes in cancer patients are linked to T cell apoptosis.
- Extracorporeal removal of exosomes may enhance immune response in cancer patients.
Takeaway
Cancer cells can release tiny bubbles called exosomes that help them hide from the immune system, making it harder for the body to fight the cancer. Researchers are looking at ways to remove these exosomes to help the immune system work better.
Methodology
The study discusses the role of exosomes in immune suppression and explores the use of extracorporeal filtration to remove these exosomes from cancer patients.
Limitations
The approach may not selectively target specific inhibitors and could result in the loss of immune stimulatory cytokines.
Participant Demographics
Patients with metastatic cancers were involved in the study.
Digital Object Identifier (DOI)
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