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Updated: Mar 22, 2026
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Establishing 3-Dimensional Spheroids from Patient-Derived Tumor Samples and Evaluating their Sensitivity to Drugs
Published on: December 16, 2022
2.9K
Phenotypic profiles for anticancer drug responses using tumor spheroids.
Youngwon Kim1, Jiseok Lim2, Bongseop Kwak3
1College of Medicine, Dongguk University, 32 Dongguk-ro, Ilsandong-gu, Goyangsi, Gyeonggi-do 10326, Republic of Korea.
Summary
This study introduces a new method using tumor spheroids to test breast cancer drugs. It offers standardized criteria for evaluating drug effectiveness based on observable changes.
Area of Science:
- Oncology
- Drug Discovery
- Biotechnology
Background:
- Phenotypic drug discovery evaluates anticancer drug responses without target knowledge.
- Tumor spheroids mimic in vivo tumor architecture better than 2D cultures.
- Standardized drug evaluation criteria for spheroids are lacking.
Purpose of the Study:
- To develop a standardized, phenotype-based evaluation system for breast cancer chemotherapy using tumor spheroids.
- To establish quantifiable parameters for drug screening and evaluation.
- To enhance the utility of spheroids in phenotypic anticancer drug discovery.
Main Methods:
- Fabricated uniform tumor spheroids from triple-positive (ER+, PR+, HER2+) invasive ductal carcinoma cells.
- Administered breast cancer anticancer drugs at clinically relevant plasma concentrations.
- Proposed and monitored drug response evaluation parameters: spheroid size change, morphological features (surface cell size, convexity), and optical transmittance.
Main Results:
- Developed optical image-based analytical features for drug response evaluation.
- Demonstrated consistent correlations between analytical features, molecular mechanisms of action, and drug response.
- Validated the proposed parameters during drug treatment and post-exposure observation.
Conclusions:
- Established a phenotype-based evaluation system for breast cancer chemotherapy using tumor spheroids.
- Proposed quantifiable parameters for drug screening and evaluation.
- Provided a reference model and data for assessing investigational compounds in phenotypic drug discovery.
