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An Enrichment Method for Small Extracellular Vesicles Derived from Liver Cancer Tissue
Published on: February 3, 2023
Emerging Roles of Small Extracellular Vesicles in Gastrointestinal Cancer Research and Therapy
Nora Schneider1, Patrick Christian Hermann1, Tim Eiseler1
1Department for Internal Medicine 1, University Clinic Ulm, 89081 Ulm, Germany.
Abstract:
Discovered in the late eighties, sEVs are small extracellular nanovesicles (30-150 nm diameter) that gained increasing attention due to their profound roles in cancer, immunology, and therapeutic approaches. They were initially described as cellular waste bins; however, in recent years, sEVs have become known as important mediators of intercellular communication. They are secreted from cells in substantial amounts and exert their influence on recipient cells by signaling through cell surface receptors or transferring cargos, such as proteins, RNAs, miRNAs, or lipids. A key role of sEVs in cancer is immune modulation, as well as pro-invasive signaling and formation of pre-metastatic niches. sEVs are ideal biomarker platforms, and can be engineered as drug carriers or anti-cancer vaccines. Thus, sEVs further provide novel avenues for cancer diagnosis and treatment. This review will focus on the role of sEVs in GI-oncology and delineate their functions in cancer progression, diagnosis, and therapeutic use.
Insights
Small extracellular vesicles (sEVs) are key mediators of intercellular communication, influencing cancer progression and immune responses. These nanovesicles offer novel avenues for GI-oncology diagnosis and treatment strategies.
Area of Science:
- Biochemistry
- Cell Biology
- Oncology
Background:
- Small extracellular vesicles (sEVs), initially viewed as cellular debris, are now recognized as crucial mediators of intercellular communication.
- These nanovesicles (30-150 nm) are secreted by cells and transfer proteins, RNAs, and lipids to recipient cells, influencing various biological processes.
Purpose of the Study:
- To review the multifaceted roles of sEVs in gastrointestinal (GI) oncology.
- To delineate the functions of sEVs in cancer progression, diagnosis, and therapeutic applications within GI cancers.
Main Methods:
- Literature review focusing on sEVs in GI-oncology.
- Analysis of sEVs' involvement in immune modulation, invasion, and pre-metastatic niche formation.
- Exploration of sEVs as biomarker platforms and therapeutic delivery systems.
Main Results:
- sEVs play significant roles in cancer progression, including immune modulation, pro-invasive signaling, and the formation of pre-metastatic niches.
- sEVs serve as ideal platforms for developing biomarkers for cancer diagnosis.
- Engineered sEVs show potential as drug carriers and components of anti-cancer vaccines.
Conclusions:
- sEVs represent a promising frontier for novel diagnostic and therapeutic strategies in GI oncology.
- Understanding sEV function is critical for harnessing their potential in cancer management.
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