Single clonal tracking on biomimetic microtextured platforms for real-time guided migration analysis of

Ana Panic1, Jordan Moore1, Daniel Gallego-Perez2

  • 1Department of Biomedical Engineering, The Ohio State University, Columbus, OH, United States.

PubMed

Insights

Researchers developed biomimetic microplatforms to study myeloid-derived suppressor cells (MDSCs) migration in tumors. This approach aids in discovering new therapeutic targets to combat cancer by understanding MDSC behavior.

Area of Science:

  • Biomedical Engineering
  • Cancer Biology
  • Microfluidics

Background:

  • Myeloid-derived suppressor cells (MDSCs) hinder anti-tumor immunity within the tumor microenvironment (TME).
  • Current therapeutic strategies targeting MDSCs are limited by a lack of understanding of their specific cellular and molecular targets.
  • Identifying key factors influencing MDSC function is crucial for developing effective cancer therapies.

Purpose of the Study:

  • To present a novel biomimetic microfabricated platform for analyzing MDSC migratory phenotypes ex vivo.
  • To enable the discovery of new therapeutic interventions by elucidating MDSC behavior within a simulated TME.
  • To identify specific MDSC subpopulations based on their disseminative and suppressive functions.

Main Methods:

  • Utilized microfabricated platforms with aligned microtopography to mimic TME structural cues.
  • Employed real-time cell tracking and motility analysis to study MDSC migration under guided conditions.
  • Integrated cellular and molecular biology tools for comprehensive bioanalysis of MDSC subpopulations.

Main Results:

  • Demonstrated the ability of microtopography substrates to guide and analyze MDSC migration at a single clonal level.
  • Successfully identified distinct MDSC subpopulations with varying disseminative and suppressive capabilities.
  • Validated the potential of microscale engineering for uncovering novel motility targets in cancer.

Conclusions:

  • Biomimetic microplatforms offer a powerful tool for dissecting MDSC behavior in the TME.
  • This approach facilitates the identification of exploitable MDSC motility targets for cancer therapy discovery.
  • The described methods are adaptable and accessible for broader application in tumor-associated cell migration research.