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Updated: Jan 4, 2026

An Integrated Platform for Genome-wide Mapping of Chromatin States Using High-throughput ChIP-sequencing in Tumor Tissues
Published on: April 5, 2018
Paradigms for Precision Medicine in Epichaperome Cancer Therapy
Nagavarakishore Pillarsetty1, Komal Jhaveri2, Tony Taldone3
1Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA.
Abstract:
Alterations in protein-protein interaction networks are at the core of malignant transformation but have yet to be translated into appropriate diagnostic tools. We make use of the kinetic selectivity properties of an imaging probe to visualize and measure the epichaperome, a pathologic protein-protein interaction network. We are able to assay and image epichaperome networks in cancer and their engagement by inhibitor in patients' tumors at single-lesion resolution in real time, and demonstrate that quantitative evaluation at the level of individual tumors can be used to optimize dose and schedule selection. We thus provide preclinical and clinical evidence in the use of this theranostic platform for precision medicine targeting of the aberrant properties of protein networks.
Insights
This study introduces a novel imaging probe to visualize and measure the epichaperome, a key cancer network. This theranostic platform enables real-time, precise cancer diagnosis and treatment optimization for precision medicine.
Area of Science:
- Oncology
- Molecular Biology
- Biophysics
Background:
- Protein-protein interactions are crucial in cancer development.
- Current diagnostic tools do not effectively target these aberrant networks.
- The epichaperome represents a critical pathologic protein-protein interaction network in malignancy.
Purpose of the Study:
- To develop and validate an imaging probe for visualizing and quantifying the epichaperome in real-time.
- To assess the potential of this probe as a theranostic platform for precision medicine.
- To demonstrate the utility of quantitative epichaperome evaluation for optimizing cancer treatment.
Main Methods:
- Utilized kinetic selectivity properties of a novel imaging probe.
- Assayed and imaged epichaperome networks in patient tumors at single-lesion resolution.
- Performed quantitative evaluation of epichaperome engagement by inhibitors in real-time.
Main Results:
- Successfully visualized and measured epichaperome networks in cancer patients.
- Demonstrated real-time, single-lesion resolution imaging of these networks.
- Showcased quantitative evaluation for optimizing drug dose and schedule selection.
Conclusions:
- The developed imaging probe serves as a theranostic platform for precision medicine.
- This approach enables targeted therapy by addressing aberrant protein networks.
- Provides preclinical and clinical evidence for real-time, individualized cancer treatment strategies.
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