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Updated: May 4, 2026

Adaptation of Semiautomated Circulating Tumor Cell CTC Assays for Clinical and Preclinical Research Applications
Published on: February 28, 2014
Complex adaptive therapeutic strategy (CATS) for cancer
Yong Woo Cho1, Sang Yoon Kim2, Ick Chan Kwon3
1Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul 136-791, Republic of Korea; Department of Chemical Engineering, Hanyang University, Gyeonggido 426-791, Republic of Korea.
Tumors exhibit significant heterogeneity, challenging cancer therapies. Viewing tumors as complex adaptive systems (CAS) offers a new approach, termed complex adaptive therapeutic strategies (CATS), to overcome treatment resistance.
Area of Science:
- Oncology
- Systems Biology
- Cancer Research
Background:
- Tumor growth leads to cellular clones with diverse phenotypic features, a major challenge for targeted anticancer therapies.
- Intra- and inter-tumoral heterogeneity arises from genetic mutations and tumor adaptation to microenvironmental variations.
Purpose of the Study:
- To propose a novel therapeutic framework by conceptualizing tumors as complex adaptive systems (CAS).
- To introduce complex adaptive therapeutic strategies (CATS) for overcoming challenges in cancer treatment.
Main Methods:
- Discussing therapeutic strategies through the lens of a tumor as a CAS.
- Outlining the central themes of CATS: disruption of artifacts, disruption of connections, and reprogramming of cancer-immune dynamics.
Main Results:
- Individual therapeutic strategies, while not novel, form components of a larger, innovative approach.
- An assembled "puzzle" of these strategies could lead to a novel and innovative cancer therapeutic strategy.
Conclusions:
- Treating tumors as complex adaptive systems (CAS) necessitates a systemic therapeutic approach.
- Complex adaptive therapeutic strategies (CATS), integrating disruption and reprogramming, offer a promising avenue for innovative cancer therapy.
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