期刊
JOURNAL OF TRANSLATIONAL MEDICINE
卷 12, 期 -, 页码 -出版社
BIOMED CENTRAL LTD
DOI: 10.1186/1479-5876-12-128
关键词
Glioblastoma; Cancer; In Silico modeling; Deterministic model; Virtual tumor technology; Tumor profiling; Personalized therapy; Targeted therapy
资金
- National Brain Tumor Society (NBTS) David Cook Chair of Research
- Barbara and Joseph Ajello trust fund
- Tuttleman Family Foundation
- MCJ Amelior Foundation
- Boston Fire Department/Kenney Foundation
Background: Glioblastoma (GBM) is an aggressive disease associated with poor survival. It is essential to account for the complexity of GBM biology to improve diagnostic and therapeutic strategies. This complexity is best represented by the increasing amounts of profiling (omics) data available due to advances in biotechnology. The challenge of integrating these vast genomic and proteomic data can be addressed by a comprehensive systems modeling approach. Methods: Here, we present an in silico model, where we simulate GBM tumor cells using genomic profiling data. We use this in silico tumor model to predict responses of cancer cells to targeted drugs. Initially, we probed the results from a recent hypothesis-independent, empirical study by Garnett and co-workers that analyzed the sensitivity of hundreds of profiled cancer cell lines to 130 different anticancer agents. We then used the tumor model to predict sensitivity of patient-derived GBM cell lines to different targeted therapeutic agents. Results: Among the drug-mutation associations reported in the Garnett study, our in silico model accurately predicted similar to 85% of the associations. While testing the model in a prospective manner using simulations of patient-derived GBM cell lines, we compared our simulation predictions with experimental data using the same cells in vitro. This analysis yielded a similar to 75% agreement of in silico drug sensitivity with in vitro experimental findings. Conclusions: These results demonstrate a strong predictability of our simulation approach using the in silico tumor model presented here. Our ultimate goal is to use this model to stratify patients for clinical trials. By accurately predicting responses of cancer cells to targeted agents a priori, this in silico tumor model provides an innovative approach to personalizing therapy and promises to improve clinical management of cancer.
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