4 OVERALL PROGRAM CRITIQUE 4 PROGRAM LEADERSHIP 5 PROGRAM AS AN INTEGRATED EFFORT 5 PROJECT AND CORE SUMMARIES OF DISCUSSION 5 COLLABORATING INSTITUTIONS 7 ADDITIONAL REVIEW CRITERIA 8 PROTECTION OF HUMAN SUBJECTS 8 VERTEBRATE ANIMALS 8 ADDITIONAL REVIEW CONSIDERATIONS 9 BUDGETARY OVERLAP 9 PROJECT 1: Adoptive Transfer of MART-1 TCR Engineered Cells after a Myelodepleting Regimen 10 PROJECT 2: Study of TCR Engineering Against Melanoma in Mice 18 PROJECT 3: Transduction of Hematopoietic Stem Cells for Enhanced Immunotherapy of Melanoma 27 PROJECT 4: Generation of Anti-Melanoma T Cells Derived from Human Embryonic Stem Cells 37 PROJECT 5: Optimization of MART-1 TCR Gene Transfer for Anti-Melanoma Immunity 46 CORE A: Cell and Gene Therapy, Clinical Manufacture and Monitoring Core 53 CORE B: Biological Imaging Core 58 CORE C: Administrative Core 62 COMMITTEE BUDGET RECOMMENDATIONS 67 SPECIAL EMPHASIS PANEL ROSTER DESCRIPTION (provided by applicant): The human immune system is a potentially powerful line of defense against cancer. Many biological obstacles exist in cancer patients that thwart tumor-specific T cell expansion, activation, tumor trafficking and killing. Among these is inadequate T cell precursor frequency and low T cell receptor (TCR) binding affinity for tumor antigen. Our hypothesis is that transplantation of high affinity TCR-transduced stem cells will create in the recipient an engineered immune system with potent antitumor biology. Thus, the single goal of this Program Project Grant (PPG) is to test this hypothesis by attempting to control or cure metastatic melanoma. This application is a key part of the strategy to arise from a 3-year collaboration among a score of investigators from four research universities (Caltech, UCLA, USC, UCONN) representing 4 cancer centers, 2 gene medicine programs, 13 departments and several institutes. Our research group will converge the disciplines of immunology, genetic engineering, stem ceil biology, virology, biological imaging and human gene medicine to engineer a tumor-specific human immune system. This will be accomplished in a PPG with 5 projects supported by 3 cores. The PPG will: (1) undertake two first-in-human clinical investigations in which a MART-1 melanoma antigen TCR will be introduced into T cells and hematopoietic stem cells using a lentiviral vector also expressing a PET reporter allowing serial noninvasive imaging of the development of an engineered immune system, (2) fundamental studies of the biology of TCR engineered hematopoietic and embryonic stem cells, and (3) basic biology of TCR engineering. State of the art cores in cell and gene therapy, immunological monitoring and biological imaging will support this science. In this PPG, basic and clinical science will be conducted in parallel, each informing the other;basic scientists and physician-scientists will work together as a team to develop discovery-based science that will change the care of patients.

National Institute of Health (NIH)
National Cancer Institute (NCI)
Research Program Projects (P01)
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Special Emphasis Panel (ZCA1-RPRB-J (O1))
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Wu, Roy S
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California Institute of Technology
Schools of Arts and Sciences
United States
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