Related Experiment Video
Updated: Jan 25, 2026
11:15
A Preclinical Mouse Model of Osteosarcoma to Define the Extracellular Vesicle-mediated Communication Between Tumor and Mesenchymal Stem Cells
Published on: May 6, 2018
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Exosome-Mediated Metastasis: Communication from a Distance.
Inbal Wortzel1, Shani Dror1, Candia M Kenific1
1Children's Cancer and Blood Foundation Laboratories, Departments of Pediatrics, and Cell and Developmental Biology, Drukier Institute for Children's Health, Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA.
Developmental Cell
|May 8, 2019
Summary
Extracellular vesicles, including exosomes, mediate cancer cell communication, crucial for pre-metastatic niche formation and organ-specific metastasis. Understanding their cargo and function offers clinical utility in combating cancer spread.
Area of Science:
- Oncology
- Cell Biology
- Cancer Metastasis Research
Background:
- Metastasis is a critical, yet poorly understood, phase of tumor progression and a leading cause of cancer mortality.
- Cell-cell communication through extracellular vesicles (EVs), such as exosomes and microvesicles, is vital for establishing pre-metastatic niches (PMNs) in distant organs.
- EVs facilitate the interaction between primary tumor cells and the microenvironment of distant sites, influencing metastatic processes.
Purpose of the Study:
- To review the multifaceted roles of exosomes in cancer progression and metastasis.
- To elucidate the contribution of exosome cargo to the formation of pre-metastatic niches.
- To explore the function of exosomes in organotropic metastasis and their clinical applications.
Main Methods:
- Literature review of existing research on exosomes and cancer metastasis.
- Analysis of studies detailing exosome cargo composition and function.
- Examination of experimental evidence for exosome-mediated PMN formation and organ colonization.
Main Results:
- Exosomes carry diverse molecular cargo (proteins, RNA, DNA) that primes distant tissues for metastatic colonization.
- Exosomes play a key role in establishing the pre-metastatic niche, preparing the microenvironment for incoming cancer cells.
- Exosomes contribute to organ-specific metastasis by influencing the tropism of cancer cells towards particular organs.
Conclusions:
- Exosomes are critical mediators of cancer cell communication, driving key steps in the metastatic cascade.
- Targeting exosome biogenesis, release, or uptake presents a promising therapeutic strategy.
- Exosomes hold significant potential as diagnostic biomarkers and therapeutic delivery vehicles in oncology.
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