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Fully Human Tumor-based Matrix in Three-dimensional Spheroid Invasion Assay
Published on: May 7, 2019
AlgiMatrix™ based 3D cell culture system as an in-vitro tumor model for anticancer studies
Chandraiah Godugu1, Apurva R Patel, Utkarsh Desai
1College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, Florida, United States of America.
Plos One
|January 26, 2013
Summary
Three-dimensional (3D) tumor models offer a more accurate in vitro platform for anticancer drug screening. These 3D cultures demonstrate higher drug resistance compared to traditional 2D models, providing better insights into treatment efficacy.
Area of Science:
- Biomedical Engineering
- Cancer Research
- Drug Discovery
Background:
- Three-dimensional (3D) in vitro cultures mimic physiological microenvironments, showing high concordance with in vivo conditions.
- Developed an in vitro tumor model using 3D culture for anticancer drug screening.
Purpose of the Study:
- To develop and validate a 3D in vitro tumor model for enhanced anticancer drug screening.
- To compare the efficacy of anticancer drugs in 3D versus 2D culture systems.
- To investigate drug and nanoparticle penetration in 3D tumor models.
Main Methods:
- Cancer cells were cultured in AlgiMatrix™ scaffolds to form multicellular spheroids (100-300 µm).
- Anticancer drugs were screened in 3D cultures over two weeks, with cytotoxicity assessed by AlamarBlue® assay.
- Apoptotic markers, drug uptake, and nanoparticle penetration were evaluated using immunohistochemistry, RT-PCR, and microscopy, comparing 3D to 2D cultures.
Main Results:
- IC50 values for anticancer drugs were significantly higher in 3D AlgiMatrix™ systems than in 2D cultures.
- Reduced cleaved caspase-3 expression in 3D spheroid cultures indicated higher drug resistance.
- Data supported 3D cultures as a superior model for in vitro cytotoxic evaluation of anticancer drugs.
Conclusions:
- The developed in vitro tumor model is valuable for high-throughput screening of anticancer agents.
- This model facilitates studying the effects of anticancer drugs on various molecular pathways.
- The 3D model provides a more physiologically relevant platform for evaluating drug formulations.
