Advanced Microfluidics for Single Cell-Based Cancer Research.

Area of Science:

• Oncology
• Biotechnology
• Microfluidics

Background:

• Cancer metastasis, not primary tumors, causes most deaths, highlighting the need to understand dissemination and therapy resistance.
• Traditional bulk analyses fail to capture tumor heterogeneity and microenvironment dynamics, necessitating single-cell approaches.
• Single-cell studies reveal roles of rare subpopulations, cell-cell interactions, and spatial dynamics in tumor evolution and immune evasion.

Purpose of the Study:

• To review advancements in microfluidic technologies for single-cell cancer modeling.
• To highlight cutting-edge platforms enabling physiologically relevant 3D cancer models.
• To discuss the potential of these platforms for drug screening, immunotherapy assessment, and personalized medicine.

Main Methods:

• Review of recent literature on microfluidic technologies applied to cancer research.
• Highlighting platforms such as droplet microfluidics, single cell-derived spheroids, and tumor-chips.
• Discussion of integrated approaches including immune components, biosensing, and patient-derived materials.

Main Results:

• Microfluidic platforms provide advanced 3D cancer models for single-cell analysis.
• Integration of biological components and patient materials enhances model relevance.
• These systems show promise for improved drug screening and immunotherapy evaluation.

Conclusions:

• Microfluidic technologies are transforming single-cell cancer modeling.
• Future work should focus on increasing model complexity, reproducibility, and spatiotemporal multiomics.
• These advancements are crucial for dissecting tumor heterogeneity and accelerating clinical translation.