Our overall strategy is to utilize microphysiological systems in combination with functional readouts to establish systems capable of sophisticated analysis of drug candidates during pre-clinical testing. In the UH2 Phase, we will construct physiological systems that represent nervous, circulatory and gastrointestinal/liver. Hickman has published physiologically correct functional systems for cardiac, muscle, neuromuscular junction, myelination and neuronal networks. 3D liver models from RegeneMed and stem cell derived cardiomyocytes and hepatocytes from GE will be incorporated into these microphysiological systems. In the UH3 Phase our consortium will develop a low-cost in vitro predictive efficacy and toxicology system based on a novel "pumpless" microphysiological platform described in Sung et al 2010. The platform will contain electronic functional readouts and microanalytical systems for rapid high throughput biomarker sensing. Shuler's group has demonstrated microphysiological systems with up to 5 chambers that are a direct analog to a physiologically-based pharmacokinetic (PBPK) model. This system has been used to evaluate combination therapy for colon cancer and secondary toxicity from liver metabolites, response to endocrine disruptions, drug efficacy in multidrug resistant cancer systems, and model transport across a barrier tissue (e.g. GI tract) with systemic response (e.g. liver). Dr. Michael Shuler at Cornell University has pioneered the micro cell culture analog (?CCA) or "Body-on-a- Chip" system, a realistic system using cell cultures to predict human response to drugs and biologics and will create a next-generation device. Dr. James Hickman at the University of Central Florida will develop functional in vitro human physiological systems and integrate them onto the microphysiological platform. RegeneMed will supply liver and skin constructs for the next-generation Body-on-a-Chip device. GE Global Research will develop analytical capabilities for integration onto the device, provide human stem cell-derived cardiomyocytes and hepatocytes and develop new human stem cell-derived cellular models, and will adapt their pioneering in silico prediction models for drug efficacy and validation. The Sanford-Burnham Institute has expertise in drug discovery and development and will compare the data generated with the in vitro system to known preclinical and clinical results, and provide regulatory guidance during the development process. LTC. Thomas at Walter Reed Army Institute of Research will develop immune system models for evaluating infectious disease on the device. In total, our consortium contains all of the skill sets required to construct, evaluate and commercialize the integrated system and associated components to achieve the goals outlined in the microphysiometer RFA.

Public Health Relevance

We are developing microphsyiological modules to model the nervous system, circulatory system and gastrointestinal tract system utilizing our extensive experience in these areas in the UH2 Phase of this project. In the UH3 Phase, we will build a 10-organ system that will be low cost, yet highly functional for utilization in drug discovery, toxicity studies and eventually all aspects of pre clinical testing.

National Institute of Health (NIH)
National Center for Advancing Translational Sciences (NCATS)
Exploratory/Developmental Cooperative Agreement Phase I (UH2)
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Special Emphasis Panel (ZRG1 (50))
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Tagle, Danilo A
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Cornell University
Engineering (All Types)
Schools of Engineering
United States
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