The challenge of translating system biology into targeted therapy of cancer

What is it about?

In this chapter, we describe this integrative journey from system biology investigation toward patient treatment, focusing on molecular diagnosis. We view tumors as unique evolving dynamical systems, and their evaluation at molecular level is important to determine the best treatment options for patients.

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Why is it important?

Translational medicine has been leveraging new technologies and tools for data analysis to promote the development of new treatments. Integration of translational medicine with system biology allows the study of diseases from a holistic perspective. Cancer is a disease of cell regulation that affects genome integrity and ultimately disrupts cell homeostasis. The inter-patient heterogeneity is well characterized, and the scientific community has been seeking for more precise diagnoses in personalized medicine. The use of precision diagnosis would maximize therapeutic efficiency and minimize noxious collateral effects of treatments to patients. System biology addresses such challenge by its ability to identify key genes from dysregulated processes in malignant cells. Currently, the integration of science and technology makes possible to develop new methodologies to analyze a disease as a system. Consequently, a rational approach can be taken in the selection of the most promising treatment for a patient given the multidimensional nature of the cancer system.

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