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Published on: October 27, 2020
Extracellular Vesicles and Transforming Growth Factor β Signaling in Cancer
Dorival Mendes Rodrigues-Junior1, Chrysoula Tsirigoti1, Sai Kiang Lim2
1Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden.
Abstract:
Complexity in mechanisms that drive cancer development and progression is exemplified by the transforming growth factor β (TGF-β) signaling pathway, which suppresses early-stage hyperplasia, yet assists aggressive tumors to achieve metastasis. Of note, several molecules, including mRNAs, non-coding RNAs, and proteins known to be associated with the TGF-β pathway have been reported as constituents in the cargo of extracellular vesicles (EVs). EVs are secreted vesicles delimited by a lipid bilayer and play critical functions in intercellular communication, including regulation of the tumor microenvironment and cancer development. Thus, this review aims at summarizing the impact of EVs on TGF-β signaling by focusing on mechanisms by which EV cargo can influence tumorigenesis, metastatic spread, immune evasion and response to anti-cancer treatment. Moreover, we emphasize the potential of TGF-β-related molecules present in circulating EVs as useful biomarkers of prognosis, diagnosis, and prediction of response to treatment in cancer patients.
Insights
Extracellular vesicles (EVs) carrying transforming growth factor β (TGF-β) pathway molecules impact cancer progression, metastasis, and treatment response. These EV-associated TGF-β molecules show promise as cancer biomarkers.
Area of Science:
- Cancer Biology
- Cell Signaling
- Biochemistry
Background:
- The transforming growth factor β (TGF-β) signaling pathway exhibits dual roles in cancer, suppressing early stages but promoting metastasis in advanced disease.
- Extracellular vesicles (EVs) are key mediators of intercellular communication, influencing the tumor microenvironment and cancer progression.
- EVs contain various molecular cargo, including mRNAs, non-coding RNAs, and proteins linked to the TGF-β pathway.
Purpose of the Study:
- To review the impact of EVs on TGF-β signaling in cancer.
- To elucidate mechanisms by which EV cargo influences tumorigenesis, metastasis, immune evasion, and treatment response.
- To highlight the potential of TGF-β-related molecules in circulating EVs as cancer biomarkers.
Main Methods:
- Literature review focusing on extracellular vesicles and TGF-β signaling in cancer.
- Analysis of mechanisms involving EV cargo in cancer development and progression.
- Evaluation of TGF-β-related molecules in EVs as diagnostic and prognostic markers.
Main Results:
- EVs can modulate TGF-β signaling, affecting cancer cell behavior and the tumor microenvironment.
- EV cargo influences key cancer processes including metastasis and immune evasion.
- TGF-β pathway components within EVs are implicated in resistance to anti-cancer therapies.
Conclusions:
- EVs play a significant role in mediating TGF-β signaling during cancer progression.
- TGF-β-related molecules packaged in EVs represent promising biomarkers for cancer diagnosis, prognosis, and treatment prediction.
- Targeting EV-mediated TGF-β signaling may offer novel therapeutic strategies.
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