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Visualizing Extracellular Vesicles and Their Function in 3D Tumor Microenvironment Models.

Evran E Ural1,2, Victoria Toomajian1,2, Ehsanul Hoque Apu1,2,3

  • 1Institute for Quantitative Health Science and Engineering, Michigan State University, East Lansing, MI 48823, USA.

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|May 5, 2021
PubMed
Summary
This summary is machine-generated.

Extracellular vesicles (EVs) are key in cancer cell communication. Three-dimensional (3D) cultures better model EV roles in the tumor microenvironment (TME) than 2D cultures.

Keywords:
cell-to-matrix interactionsextracellular vesicles (EVs)scaffoldthree-dimensional (3D) cell culture modelstumor microenvironment (TME)

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Area of Science:

  • Cell Biology
  • Cancer Research
  • Nanotechnology

Background:

  • Extracellular vesicles (EVs) mediate intercellular communication via molecular cargo transfer.
  • Tumor development and progression rely on EV signaling between cancer and stromal cells.
  • Traditional 2D cell cultures limit the study of complex cell-matrix and cell-cell interactions relevant to the tumor microenvironment (TME).

Purpose of the Study:

  • To review the biology of EVs within 3D culture models that mimic the TME.
  • To explore EV communication dynamics among TME components in 3D systems.
  • To highlight the impact of scaffold choice and scaffold-free methods on EV biogenesis and signaling in 3D cultures.

Main Methods:

  • Literature review focusing on studies utilizing 3D cell culture models.
  • Analysis of EV biogenesis and signaling in various 3D culture formats (scaffold-based and scaffold-free).
  • Examination of EV roles in TME formation, cancer-stromal interactions, and premetastatic niche cultivation.

Main Results:

  • 3D cultures provide a more accurate representation of EV-mediated communication within the TME compared to 2D models.
  • Scaffold properties and culture format significantly influence EV production and function.
  • EVs play a critical role in establishing the premetastatic niche and sustaining tumor growth.

Conclusions:

  • Understanding EV biology in 3D TME models is crucial for improving cancer research and therapeutic development.
  • 3D culture systems offer enhanced platforms for studying EV-mediated oncogenesis and stromal interactions.
  • Harnessing knowledge of EV signaling in 3D cultures can lead to better drug delivery systems and molecular control of the TME.