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Britton D, Katsara O, Mishkit O, Wang A, Pandya N, Liu C, Mao H, Legocki J, Jia S, Xiao Y, Aristizabal O, Paul D, Deng Y, Schneider R, Wadghiri YZ, Montclare JK. Engineered coiled-coil HIF1α protein domain mimic. Biomater Sci 2024; 12:2951-2959. [PMID: 38656316 DOI: 10.1039/d4bm00354c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
The development of targeted anti-cancer therapeutics offers the potential for increased efficacy of drugs and diagnostics. Utilizing modalities agnostic to tumor type, such as the hypoxic tumor microenvironment (TME), may assist in the development of universal tumor targeting agents. The hypoxia-inducible factor (HIF), in particular HIF1, plays a key role in tumor adaptation to hypoxia, and inhibiting its interaction with p300 has been shown to provide therapeutic potential. Using a multivalent assembled protein (MAP) approach based on the self-assembly of the cartilage oligomeric matrix protein coiled-coil (COMPcc) domain fused to the critical residues of the C-terminal transactivation domain (C-TAD) of the α subunit of HIF1 (HIF1α), we generate HIF1α-MAP (H-MAP). The resulting H-MAP demonstrates picomolar binding affinity to p300, the ability to downregulate hypoxia-inducible genes, and in vivo tumor targeting capability.
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Affiliation(s)
- Dustin Britton
- Department of Chemical and Biomolecular Engineering, New York University Tandon School of Engineering, Brooklyn, New York, 11201, USA.
| | - Olga Katsara
- Department of Microbiology, New York University School of Medicine, New York, New York, 10016, USA
| | - Orin Mishkit
- Center for Advanced Imaging Innovation and Research (CAI2R), New York University School of Medicine, New York, New York, 10016, USA
- Bernard and Irene Schwartz Center for Biomedical Imaging, Department of Radiology, New York University School of Medicine, New York, New York, 10016, USA
| | - Andrew Wang
- Department of Chemical and Biomolecular Engineering, New York University Tandon School of Engineering, Brooklyn, New York, 11201, USA.
- Department of Biomedical Engineering, State University of New York Downstate Medical Center, Brooklyn, New York, 11203, USA
- College of Medicine, State University of New York Downstate Medical Center, Brooklyn, New York, 11203, USA
| | - Neelam Pandya
- Center for Advanced Imaging Innovation and Research (CAI2R), New York University School of Medicine, New York, New York, 10016, USA
- Bernard and Irene Schwartz Center for Biomedical Imaging, Department of Radiology, New York University School of Medicine, New York, New York, 10016, USA
| | - Chengliang Liu
- Department of Chemical and Biomolecular Engineering, New York University Tandon School of Engineering, Brooklyn, New York, 11201, USA.
| | - Heather Mao
- Department of Chemical and Biomolecular Engineering, New York University Tandon School of Engineering, Brooklyn, New York, 11201, USA.
- Center for Advanced Imaging Innovation and Research (CAI2R), New York University School of Medicine, New York, New York, 10016, USA
- Bernard and Irene Schwartz Center for Biomedical Imaging, Department of Radiology, New York University School of Medicine, New York, New York, 10016, USA
| | - Jakub Legocki
- Department of Chemical and Biomolecular Engineering, New York University Tandon School of Engineering, Brooklyn, New York, 11201, USA.
| | - Sihan Jia
- Department of Chemical and Biomolecular Engineering, New York University Tandon School of Engineering, Brooklyn, New York, 11201, USA.
| | - Yingxin Xiao
- Department of Chemical and Biomolecular Engineering, New York University Tandon School of Engineering, Brooklyn, New York, 11201, USA.
| | - Orlando Aristizabal
- Center for Advanced Imaging Innovation and Research (CAI2R), New York University School of Medicine, New York, New York, 10016, USA
- Bernard and Irene Schwartz Center for Biomedical Imaging, Department of Radiology, New York University School of Medicine, New York, New York, 10016, USA
| | - Deven Paul
- Department of Chemical and Biomolecular Engineering, New York University Tandon School of Engineering, Brooklyn, New York, 11201, USA.
| | - Yan Deng
- Microscopy Laboratory, New York University Langone Health, New York, NY, 10016, USA
| | - Robert Schneider
- Department of Microbiology, New York University School of Medicine, New York, New York, 10016, USA
- Department of Radiation Oncology, New York University School of Medicine, New York, New York, 10016, USA
| | - Youssef Z Wadghiri
- Center for Advanced Imaging Innovation and Research (CAI2R), New York University School of Medicine, New York, New York, 10016, USA
- Bernard and Irene Schwartz Center for Biomedical Imaging, Department of Radiology, New York University School of Medicine, New York, New York, 10016, USA
| | - Jin Kim Montclare
- Department of Chemical and Biomolecular Engineering, New York University Tandon School of Engineering, Brooklyn, New York, 11201, USA.
- Center for Advanced Imaging Innovation and Research (CAI2R), New York University School of Medicine, New York, New York, 10016, USA
- Department of Chemistry, New York University, New York, New York, 10012, USA
- Department of Biomaterials, New York University College of Dentistry, New York, New York, 10010, USA
- Department of Biomedical Engineering, New York University, New York, NY, 11201, USA
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Kuo YC, Kuo CF, Jenkins K, Hung AFH, Chang WC, Park M, Aguilar B, Starr R, Hibbard J, Brown C, Williams JC. Antibody-based redirection of universal Fabrack-CAR T cells selectively kill antigen bearing tumor cells. J Immunother Cancer 2022; 10:jitc-2021-003752. [PMID: 35728874 PMCID: PMC9214433 DOI: 10.1136/jitc-2021-003752] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/23/2022] [Indexed: 11/07/2022] Open
Abstract
Background Chimeric antigen receptor (CAR) T cells engineered to recognize and target tumor associated antigens have made a profound impact on the quality of life for many patients with cancer. However, tumor heterogeneity and intratumoral immune suppression reduce the efficacy of this approach, allowing for tumor cells devoid of the target antigen to seed disease recurrence. Here, we address the complexity of tumor heterogeneity by developing a universal CAR. Method We constructed a universal Fabrack-CAR with an extracellular domain composed of the non-tumor targeted, cyclic, twelve residue meditope peptide that binds specifically to an engineered binding pocket within the Fab arm of monoclonal antibodies (mAbs). As this site is readily grafted onto therapeutic mAbs, the antigen specificity of these universal Fabrack-CAR T cells is simply conferred by administering mAbs with specificity to the heterogeneous tumor. Results Using in vitro and in vivo studies with multiple meditope-engineered mAbs, we show the feasibility, specificity, and robustness of this approach. These studies demonstrate antigen- and antibody-specific T cell activation, proliferation, and IFNγ production, selective killing of target cells in a mixed population, and tumor regression in animal models. Conclusion Collectively, these findings support the feasibility of this universal Fabrack-CAR T cell approach and provide the rationale for future clinical use in cancer immunotherapy.
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Affiliation(s)
- Yi-Chiu Kuo
- Department of Molecular Medicine, City of Hope National Medical Center, Duarte, California, USA
| | - Cheng-Fu Kuo
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, California, USA.,Irell and Manella Graduate School of Biological Sciences, City of Hope National Medical Center, Duarte, California, USA
| | - Kurt Jenkins
- Department of Molecular Medicine, City of Hope National Medical Center, Duarte, California, USA.,Irell and Manella Graduate School of Biological Sciences, City of Hope National Medical Center, Duarte, California, USA
| | - Alfur Fu-Hsin Hung
- Department of Molecular Medicine, City of Hope National Medical Center, Duarte, California, USA
| | - Wen-Chung Chang
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, California, USA
| | - Miso Park
- Department of Molecular Medicine, City of Hope National Medical Center, Duarte, California, USA
| | - Brenda Aguilar
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, California, USA
| | - Renate Starr
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, California, USA
| | - Jonathan Hibbard
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, California, USA
| | - Christine Brown
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, California, USA
| | - John C Williams
- Department of Molecular Medicine, City of Hope National Medical Center, Duarte, California, USA
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Golfetto O, Wakefield DL, Cacao EE, Avery KN, Kenyon V, Jorand R, Tobin SJ, Biswas S, Gutierrez J, Clinton R, Ma Y, Horne DA, Williams JC, Jovanović-Talisman T. A Platform To Enhance Quantitative Single Molecule Localization Microscopy. J Am Chem Soc 2018; 140:12785-12797. [PMID: 30256630 PMCID: PMC6187371 DOI: 10.1021/jacs.8b04939] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Quantitative single molecule localization microscopy (qSMLM) is a powerful approach to study in situ protein organization. However, uncertainty regarding the photophysical properties of fluorescent reporters can bias the interpretation of detected localizations and subsequent quantification. Furthermore, strategies to efficiently detect endogenous proteins are often constrained by label heterogeneity and reporter size. Here, a new surface assay for molecular isolation (SAMI) was developed for qSMLM and used to characterize photophysical properties of fluorescent proteins and dyes. SAMI-qSMLM afforded robust quantification. To efficiently detect endogenous proteins, we used fluorescent ligands that bind to a specific site on engineered antibody fragments. Both the density and nano-organization of membrane-bound epidermal growth factor receptors (EGFR, HER2, and HER3) were determined by a combination of SAMI, antibody engineering, and pair-correlation analysis. In breast cancer cell lines, we detected distinct differences in receptor density and nano-organization upon treatment with therapeutic agents. This new platform can improve molecular quantification and can be developed to study the local protein environment of intact cells.
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Affiliation(s)
- Ottavia Golfetto
- Department of Molecular Medicine , Beckman Research Institute, City of Hope , 1500 East Duarte Road , Duarte , California 91010 , United States
| | - Devin L Wakefield
- Department of Molecular Medicine , Beckman Research Institute, City of Hope , 1500 East Duarte Road , Duarte , California 91010 , United States
| | - Eliedonna E Cacao
- Department of Molecular Medicine , Beckman Research Institute, City of Hope , 1500 East Duarte Road , Duarte , California 91010 , United States
| | - Kendra N Avery
- Department of Molecular Medicine , Beckman Research Institute, City of Hope , 1500 East Duarte Road , Duarte , California 91010 , United States
| | - Victor Kenyon
- Department of Molecular Medicine , Beckman Research Institute, City of Hope , 1500 East Duarte Road , Duarte , California 91010 , United States
| | - Raphael Jorand
- Department of Molecular Medicine , Beckman Research Institute, City of Hope , 1500 East Duarte Road , Duarte , California 91010 , United States
| | - Steven J Tobin
- Department of Molecular Medicine , Beckman Research Institute, City of Hope , 1500 East Duarte Road , Duarte , California 91010 , United States
| | - Sunetra Biswas
- Department of Molecular Medicine , Beckman Research Institute, City of Hope , 1500 East Duarte Road , Duarte , California 91010 , United States
| | - Jennifer Gutierrez
- Department of Molecular Medicine , Beckman Research Institute, City of Hope , 1500 East Duarte Road , Duarte , California 91010 , United States
| | - Ronald Clinton
- Department of Molecular Medicine , Beckman Research Institute, City of Hope , 1500 East Duarte Road , Duarte , California 91010 , United States
| | - Yuelong Ma
- Department of Molecular Medicine , Beckman Research Institute, City of Hope , 1500 East Duarte Road , Duarte , California 91010 , United States
| | - David A Horne
- Department of Molecular Medicine , Beckman Research Institute, City of Hope , 1500 East Duarte Road , Duarte , California 91010 , United States
| | - John C Williams
- Department of Molecular Medicine , Beckman Research Institute, City of Hope , 1500 East Duarte Road , Duarte , California 91010 , United States
| | - Tijana Jovanović-Talisman
- Department of Molecular Medicine , Beckman Research Institute, City of Hope , 1500 East Duarte Road , Duarte , California 91010 , United States
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King JD, Ma Y, Kuo YC, Bzymek KP, Goodstein LH, Meyer K, Moore RE, Crow D, Colcher DM, Singh G, Horne DA, Williams JC. Template-Catalyzed, Disulfide Conjugation of Monoclonal Antibodies Using a Natural Amino Acid Tag. Bioconjug Chem 2018; 29:2074-2081. [PMID: 29763554 DOI: 10.1021/acs.bioconjchem.8b00284] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The high specificity and favorable pharmacological properties of monoclonal antibodies (mAbs) have prompted significant interest in re-engineering this class of molecules to add novel functionalities for enhanced therapeutic and diagnostic potential. Here, we used the high affinity, meditope-Fab interaction to template and drive the rapid, efficient, and stable site-specific formation of a disulfide bond. We demonstrate that this template-catalyzed strategy provides a consistent and reproducible means to conjugate fluorescent dyes, cytotoxins, or "click" chemistry handles to meditope-enabled mAbs (memAbs) and memFabs. More importantly, we demonstrate this covalent functionalization is achievable using natural amino acids only, opening up the opportunity to genetically encode cysteine meditope "tags" to biologics. As proof of principle, genetically encoded, cysteine meditope tags were added to the N- and/or C-termini of fluorescent proteins, nanobodies, and affibodies, each expressed in bacteria, purified to homogeneity, and efficiently conjugated to different memAbs and meFabs. We further show that multiple T-cell and Her2-targeting bispecific molecules using this strategy potently activate T-cell signaling pathways in vitro. Finally, the resulting products are highly stable as evidenced by serum stability assays (>14 d at 37 °C) and in vivo imaging of tumor xenographs. Collectively, the platform offers the opportunity to build and exchange an array of functional moieties, including protein biologics, among any cysteine memAb or Fab to rapidly create, test, and optimize stable, multifunctional biologics.
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Bzymek KP, Puckett JW, Zer C, Xie J, Ma Y, King JD, Goodstein LH, Avery KN, Colcher D, Singh G, Horne DA, Williams JC. Mechanically interlocked functionalization of monoclonal antibodies. Nat Commun 2018; 9:1580. [PMID: 29679060 PMCID: PMC5910394 DOI: 10.1038/s41467-018-03976-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Accepted: 03/27/2018] [Indexed: 01/07/2023] Open
Abstract
Because monoclonal antibodies (mAbs) have exceptional specificity and favorable pharmacology, substantial efforts have been made to functionalize them, either with potent cytotoxins, biologics, radionuclides, or fluorescent groups for therapeutic benefit and/or use as theranostic agents. To exploit our recently discovered meditope-Fab interaction as an alternative means to efficiently functionalize mAbs, we used insights from the structure to enhance the affinity and lifetime of the interaction by four orders of magnitude. To further extend the lifetime of the complex, we created a mechanical bond by incorporating an azide on the meditope, threading the azide through the Fab, and using click chemistry to add a steric group. The mechanically interlocked, meditope-Fab complex retains antigen specificity and is capable of imaging tumors in mice. These studies indicate it is possible to "snap" functionality onto mAbs, opening the possibility of rapidly creating unique combinations of mAbs with an array of cytotoxins, biologics, and imaging agents.
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Affiliation(s)
- Krzysztof P Bzymek
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, 1710 Flower St., Duarte, CA, 91010, USA
| | - James W Puckett
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, 1710 Flower St., Duarte, CA, 91010, USA
| | - Cindy Zer
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, 1710 Flower St., Duarte, CA, 91010, USA
| | - Jun Xie
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, 1710 Flower St., Duarte, CA, 91010, USA
| | - Yuelong Ma
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, 1710 Flower St., Duarte, CA, 91010, USA
| | - Jeremy D King
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, 1710 Flower St., Duarte, CA, 91010, USA
| | - Leah H Goodstein
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, 1710 Flower St., Duarte, CA, 91010, USA
| | - Kendra N Avery
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, 1710 Flower St., Duarte, CA, 91010, USA.,Xencor, 111W. Lemon Ave., Monrovia, CA, 91016, USA
| | - David Colcher
- Department of Molecular Immunology, Beckman Research Institute of City of Hope, 1710 Flower St., Duarte, CA, 91010, USA
| | - Gagandeep Singh
- Department of Surgery, Beckman Research Institute of City of Hope, 1710 Flower St., Duarte, CA, 91010, USA
| | - David A Horne
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, 1710 Flower St., Duarte, CA, 91010, USA
| | - John C Williams
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, 1710 Flower St., Duarte, CA, 91010, USA.
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Bzymek KP, Ma Y, Avery KN, Horne DA, Williams JC. Meditope-Fab interaction: threading the hole. Acta Crystallogr F Struct Biol Commun 2017; 73:688-694. [PMID: 29199990 PMCID: PMC5713674 DOI: 10.1107/s2053230x17016272] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Accepted: 11/10/2017] [Indexed: 06/06/2024] Open
Abstract
Meditope, a cyclic 12-residue peptide, binds to a unique binding side between the light and heavy chains of the cetuximab Fab. In an effort to improve the affinity of the interaction, it was sought to extend the side chain of Arg8 in the meditope, a residue that is accessible from the other side of the meditope binding site, in order to increase the number of interactions. These modifications included an n-butyl and n-octyl extension as well as hydroxyl, amine and carboxyl substitutions. The atomic structures of the complexes and the binding kinetics for each modified meditope indicated that each extension threaded through the Fab `hole' and that the carboxyethylarginine substitution makes a favorable interaction with the Fab, increasing the half-life of the complex by threefold compared with the unmodified meditope. Taken together, these studies provide a basis for the design of additional modifications to enhance the overall affinity of this unique interaction.
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Affiliation(s)
- Krzysztof P. Bzymek
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, 1710 Flower Street, Duarte, CA 91101, USA
| | - Yuelong Ma
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, 1710 Flower Street, Duarte, CA 91101, USA
| | - Kendra N. Avery
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, 1710 Flower Street, Duarte, CA 91101, USA
| | - David A. Horne
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, 1710 Flower Street, Duarte, CA 91101, USA
| | - John C. Williams
- Department of Molecular Medicine, Beckman Research Institute of City of Hope, 1710 Flower Street, Duarte, CA 91101, USA
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