51
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Kuwatani M, Sakamoto N. Promising Highly Targeted Therapies for Cholangiocarcinoma: A Review and Future Perspectives. Cancers (Basel) 2023; 15:3686. [PMID: 37509347 PMCID: PMC10378186 DOI: 10.3390/cancers15143686] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 07/16/2023] [Accepted: 07/17/2023] [Indexed: 07/30/2023] Open
Abstract
To overcome the poor prognosis of cholangiocarcinoma (CCA), highly targeted therapies, such as antibody-drug conjugates (ADCs), photodynamic therapy (PDT) with/without systemic chemotherapy, and experimental photoimmunotherapy (PIT), have been developed. Three preclinical trials have investigated the use of ADCs targeting specific antigens, namely HER2, MUC1, and glypican-1 (GPC1), for CCA. Trastuzumab emtansine demonstrated higher antiproliferative activity in CCA cells expressing higher levels of HER2. Similarly, "staphylococcal enterotoxin A-MUC1 antibody" and "anti-GPC1 antibody-monomethyl auristatin F" conjugates showed anticancer activity. PDT is effective in areas where appropriate photosensitizers and light coexist. Its mechanism involves photosensitizer excitation and subsequent reactive oxygen species production in cancer cells upon irradiation. Hematoporphyrin derivatives, temoporfin, phthalocyanine-4, talaporfin, and chlorine e6 derivatives have mainly been used clinically and preclinically in bile duct cancer. Currently, new forms of photosensitizers with nanotechnology and novel irradiation catheters are being developed. PIT is the most novel anti-cancer therapy developed in 2011 that selectively kills targeted cancer cells using a unique photosensitizer called "IR700" conjugated with an antibody specific for cancer cells. PIT is currently in the early stages of development for identifying appropriate CCA cell targets and irradiation devices. Future human and artificial intelligence collaboration has potential for overcoming challenges related to identifying universal CCA cell targets. This could pave the way for highly targeted therapies for CCA, such as ADC, PDT, and PIT.
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Affiliation(s)
- Masaki Kuwatani
- Department of Gastroenterology and Hepatology, Hokkaido University Hospital, North 14, West 5, Kita-ku, Sapporo 060-8648, Japan
| | - Naoya Sakamoto
- Department of Gastroenterology and Hepatology, Hokkaido University Hospital, North 14, West 5, Kita-ku, Sapporo 060-8648, Japan
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52
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Wei B, Lantz C, Liu W, Viner R, Loo RRO, Campuzano IDG, Loo JA. Added Value of Internal Fragments for Top-Down Mass Spectrometry of Intact Monoclonal Antibodies and Antibody-Drug Conjugates. Anal Chem 2023; 95:9347-9356. [PMID: 37278738 PMCID: PMC10954349 DOI: 10.1021/acs.analchem.3c01426] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Monoclonal antibodies (mAbs) and antibody-drug conjugates (ADCs) are two of the most important therapeutic drug classes that require extensive characterization, whereas their large size and structural complexity make them challenging to characterize and demand the use of advanced analytical methods. Top-down mass spectrometry (TD-MS) is an emerging technique that minimizes sample preparation and preserves endogenous post-translational modifications (PTMs); however, TD-MS of large proteins suffers from low fragmentation efficiency, limiting the sequence and structure information that can be obtained. Here, we show that including the assignment of internal fragments in native TD-MS of an intact mAb and an ADC can improve their molecular characterization. For the NIST mAb, internal fragments can access the sequence region constrained by disulfide bonds to increase the TD-MS sequence coverage to over 75%. Important PTM information, including intrachain disulfide connectivity and N-glycosylation sites, can be revealed after including internal fragments. For a heterogeneous lysine-linked ADC, we show that assigning internal fragments improves the identification of drug conjugation sites to achieve a coverage of 58% of all putative conjugation sites. This proof-of-principle study demonstrates the potential value of including internal fragments in native TD-MS of intact mAbs and ADCs, and this analytical strategy can be extended to bottom-up and middle-down MS approaches to achieve even more comprehensive characterization of important therapeutic molecules.
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Affiliation(s)
- Benqian Wei
- Department of Chemistry and Biochemistry, University of California Los Angeles-Los Angeles, CA, 90095 USA
| | - Carter Lantz
- Department of Chemistry and Biochemistry, University of California Los Angeles-Los Angeles, CA, 90095 USA
| | - Weijing Liu
- Thermo Fisher Scientific, San Jose, CA, 95134 USA
| | - Rosa Viner
- Thermo Fisher Scientific, San Jose, CA, 95134 USA
| | - Rachel R. Ogorzalek Loo
- Department of Chemistry and Biochemistry, University of California Los Angeles-Los Angeles, CA, 90095 USA
- UCLA-DOE Institute, University of California-Los Angeles, Los Angeles, CA, 90095 USA
- Molecular Biology Institute, University of California-Los Angeles, Los Angeles, CA, 90095 USA
| | - Iain D. G. Campuzano
- Amgen Research, Center for Research Acceleration and Digital Innovation, Molecular Analytics, Thousand Oaks, CA, 91320 USA
| | - Joseph A. Loo
- Department of Chemistry and Biochemistry, University of California Los Angeles-Los Angeles, CA, 90095 USA
- Department of Biological Chemistry, University of California-Los Angeles, Los Angeles, CA, 90095 USA
- UCLA-DOE Institute, University of California-Los Angeles, Los Angeles, CA, 90095 USA
- Molecular Biology Institute, University of California-Los Angeles, Los Angeles, CA, 90095 USA
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53
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Rodriguez C, Delaney S, Sebastiano J, Sarrett SM, Cornejo MA, Thau S, Hosny MM, Zeglis BM. Site-selective radiolabeling using mushroom tyrosinase and the strain-promoted oxidation-controlled 1,2-quinone cycloaddition. RSC Adv 2023; 13:17705-17709. [PMID: 37313000 PMCID: PMC10258682 DOI: 10.1039/d3ra03486k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 06/01/2023] [Indexed: 06/15/2023] Open
Abstract
We report the in vitro characterization and in vivo evaluation of a novel 89Zr-labeled radioimmunoconjugate synthesized using a site-selective bioconjugation strategy based on the oxidation of tyrosinase residues exposed by the deglycosylation of the IgG and the subsequent strain-promoted oxidation-controlled 1,2-quinone cycloaddition between these amino acids and trans-cyclooctene-bearing cargoes. More specifically, we site-selectively modified a variant of the A33 antigen-targeting antibody huA33 with the chelator desferrioxamine (DFO), thereby producing an immunoconjugate (DFO-SPOCQhuA33) with equivalent antigen binding affinity to its parent immunoglobulin but attenuated affinity for the FcγRI receptor. This construct was subsequently radiolabeled with [89Zr]Zr4+ to create a radioimmunoconjugate - [89Zr]Zr-DFO-SPOCQhuA33 - in high yield and specific activity that exhibited excellent in vivo behavior in two murine models of human colorectal carcinoma.
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Affiliation(s)
- Cindy Rodriguez
- PhD Program in Chemistry, Graduate Center of the City University of New York New York New York 10016 USA
- Department of Chemistry, Hunter College, City University of New York New York New York 10065 USA
- Department of Radiology, Memorial Sloan Kettering Cancer Center New York New York 10021 USA
| | - Samantha Delaney
- Department of Chemistry, Hunter College, City University of New York New York New York 10065 USA
- Department of Radiology, Memorial Sloan Kettering Cancer Center New York New York 10021 USA
- PhD Program in Biochemistry, Graduate Center of the City University of New York New York New York 10016 USA
| | - Joni Sebastiano
- Department of Chemistry, Hunter College, City University of New York New York New York 10065 USA
- Department of Radiology, Memorial Sloan Kettering Cancer Center New York New York 10021 USA
- PhD Program in Biochemistry, Graduate Center of the City University of New York New York New York 10016 USA
| | - Samantha M Sarrett
- Department of Chemistry, Hunter College, City University of New York New York New York 10065 USA
- Department of Radiology, Memorial Sloan Kettering Cancer Center New York New York 10021 USA
- PhD Program in Biochemistry, Graduate Center of the City University of New York New York New York 10016 USA
| | - Mike A Cornejo
- PhD Program in Chemistry, Graduate Center of the City University of New York New York New York 10016 USA
- Department of Chemistry, Hunter College, City University of New York New York New York 10065 USA
- Department of Radiology, Memorial Sloan Kettering Cancer Center New York New York 10021 USA
| | - Sarah Thau
- Department of Chemistry, Hunter College, City University of New York New York New York 10065 USA
| | - Meena M Hosny
- Department of Chemistry, Hunter College, City University of New York New York New York 10065 USA
| | - Brian M Zeglis
- PhD Program in Chemistry, Graduate Center of the City University of New York New York New York 10016 USA
- Department of Chemistry, Hunter College, City University of New York New York New York 10065 USA
- Department of Radiology, Memorial Sloan Kettering Cancer Center New York New York 10021 USA
- PhD Program in Biochemistry, Graduate Center of the City University of New York New York New York 10016 USA
- Department of Radiology, Weill Cornell Medical College New York New York 10021 USA
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54
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Bauer D, Sarrett SM, Lewis JS, Zeglis BM. Click chemistry: a transformative technology in nuclear medicine. Nat Protoc 2023; 18:1659-1668. [PMID: 37100960 PMCID: PMC10293801 DOI: 10.1038/s41596-023-00825-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 03/10/2023] [Indexed: 04/28/2023]
Abstract
The 2022 Nobel Prize in Chemistry was awarded to Professors K. Barry Sharpless, Morten Meldal and Carolyn Bertozzi for their pioneering roles in the advent of click chemistry. Sharpless and Meldal worked to develop the canonical click reaction-the copper-catalyzed azide-alkyne cycloaddition-while Bertozzi opened new frontiers with the creation of the bioorthogonal strain-promoted azide-alkyne cycloaddition. These two reactions have revolutionized chemical and biological science by facilitating selective, high yielding, rapid and clean ligations and by providing unprecedented ways to manipulate living systems. Click chemistry has affected every aspect of chemistry and chemical biology, but few disciplines have been impacted as much as radiopharmaceutical chemistry. The importance of speed and selectivity in radiochemistry make it an almost tailor-made application of click chemistry. In this Perspective, we discuss the ways in which the copper-catalyzed azide-alkyne cycloaddition, the strain-promoted azide-alkyne cycloaddition and a handful of 'next-generation' click reactions have transformed radiopharmaceutical chemistry, both as tools for more efficient radiosyntheses and as linchpins of technologies that have the potential to improve nuclear medicine.
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Affiliation(s)
- David Bauer
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Samantha M Sarrett
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Department of Chemistry, Hunter College of the City University of New York, New York, NY, USA
- Ph.D. Program in Biochemistry, The Graduate Center of the City University of New York, New York, NY, USA
- Department of Radiology, Weill Cornell Medicine, New York, NY, USA
| | - Jason S Lewis
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
- Department of Radiology, Weill Cornell Medicine, New York, NY, USA.
| | - Brian M Zeglis
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
- Department of Chemistry, Hunter College of the City University of New York, New York, NY, USA.
- Ph.D. Program in Biochemistry, The Graduate Center of the City University of New York, New York, NY, USA.
- Department of Radiology, Weill Cornell Medicine, New York, NY, USA.
- Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, NY, USA.
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55
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Qian L, Lin X, Gao X, Khan RU, Liao JY, Du S, Ge J, Zeng S, Yao SQ. The Dawn of a New Era: Targeting the "Undruggables" with Antibody-Based Therapeutics. Chem Rev 2023. [PMID: 37186942 DOI: 10.1021/acs.chemrev.2c00915] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
The high selectivity and affinity of antibodies toward their antigens have made them a highly valuable tool in disease therapy, diagnosis, and basic research. A plethora of chemical and genetic approaches have been devised to make antibodies accessible to more "undruggable" targets and equipped with new functions of illustrating or regulating biological processes more precisely. In this Review, in addition to introducing how naked antibodies and various antibody conjugates (such as antibody-drug conjugates, antibody-oligonucleotide conjugates, antibody-enzyme conjugates, etc.) work in therapeutic applications, special attention has been paid to how chemistry tools have helped to optimize the therapeutic outcome (i.e., with enhanced efficacy and reduced side effects) or facilitate the multifunctionalization of antibodies, with a focus on emerging fields such as targeted protein degradation, real-time live-cell imaging, catalytic labeling or decaging with spatiotemporal control as well as the engagement of antibodies inside cells. With advances in modern chemistry and biotechnology, well-designed antibodies and their derivatives via size miniaturization or multifunctionalization together with efficient delivery systems have emerged, which have gradually improved our understanding of important biological processes and paved the way to pursue novel targets for potential treatments of various diseases.
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Affiliation(s)
- Linghui Qian
- Institute of Drug Metabolism and Pharmaceutical Analysis, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Cancer Center, & Hangzhou Institute of Innovative Medicine, Zhejiang University, Hangzhou 310058, China
| | - Xuefen Lin
- Institute of Drug Metabolism and Pharmaceutical Analysis, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Cancer Center, & Hangzhou Institute of Innovative Medicine, Zhejiang University, Hangzhou 310058, China
| | - Xue Gao
- Institute of Drug Metabolism and Pharmaceutical Analysis, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Cancer Center, & Hangzhou Institute of Innovative Medicine, Zhejiang University, Hangzhou 310058, China
| | - Rizwan Ullah Khan
- Institute of Drug Metabolism and Pharmaceutical Analysis, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Cancer Center, & Hangzhou Institute of Innovative Medicine, Zhejiang University, Hangzhou 310058, China
| | - Jia-Yu Liao
- Institute of Drug Metabolism and Pharmaceutical Analysis, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Cancer Center, & Hangzhou Institute of Innovative Medicine, Zhejiang University, Hangzhou 310058, China
| | - Shubo Du
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China
| | - Jingyan Ge
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Su Zeng
- Institute of Drug Metabolism and Pharmaceutical Analysis, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Cancer Center, & Hangzhou Institute of Innovative Medicine, Zhejiang University, Hangzhou 310058, China
| | - Shao Q Yao
- Department of Chemistry, National University of Singapore, 4 Science Drive 2, Singapore, 117544
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56
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Maiti R, Patel B, Patel N, Patel M, Patel A, Dhanesha N. Antibody drug conjugates as targeted cancer therapy: past development, present challenges and future opportunities. Arch Pharm Res 2023; 46:361-388. [PMID: 37071273 DOI: 10.1007/s12272-023-01447-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 03/26/2023] [Indexed: 04/19/2023]
Abstract
Antibody drug conjugates (ADCs) are promising cancer therapeutics with minimal toxicity as compared to small cytotoxic molecules alone and have shown the evidence to overcome resistance against tumor and prevent relapse of cancer. The ADC has a potential to change the paradigm of cancer chemotherapeutic treatment. At present, 13 ADCs have been approved by USFDA for the treatment of various types of solid tumor and haematological malignancies. This review covers the three structural components of an ADC-antibody, linker, and cytotoxic payload-along with their respective structure, chemistry, mechanism of action, and influence on the activity of ADCs. It covers comprehensive insight on structural role of linker towards efficacy, stability & toxicity of ADCs, different types of linkers & various conjugation techniques. A brief overview of various analytical techniques used for the qualitative and quantitative analysis of ADC is summarized. The current challenges of ADCs, such as heterogeneity, bystander effect, protein aggregation, inefficient internalization or poor penetration into tumor cells, narrow therapeutic index, emergence of resistance, etc., are outlined along with recent advances and future opportunities for the development of more promising next-generation ADCs.
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Affiliation(s)
- Ritwik Maiti
- Institute of Pharmacy, Nirma University, Ahmedabad, 382481, Gujarat, India
| | - Bhumika Patel
- Department of Pharmaceutical Chemistry, Institute of Pharmacy, Nirma University, Ahmedabad, 382481, Gujarat, India.
| | - Nrupesh Patel
- Department of Pharmaceutical Analysis, Institute of Pharmacy, Nirma University, Ahmedabad, 382481, Gujarat, India
| | - Mehul Patel
- Department of Pharmaceutical Chemistry and Analysis, Ramanbhai Patel College of Pharmacy, Charotar University of Science and Technology, CHARUSAT Campus, Changa, 388421, Gujarat, India
| | - Alkesh Patel
- Department of Pharmacology, Ramanbhai Patel College of Pharmacy, Charotar University of Science and Technology, CHARUSAT Campus, Changa, 388421, Gujarat, India
| | - Nirav Dhanesha
- Department of Pathology and Translational Pathobiology, Louisiana State University Health Sciences Center-Shreveport, Shreveport, LA, 71103, USA.
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57
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Rosner S, Valdivia A, Hoe HJ, Murray JC, Levy B, Felip E, Solomon BJ. Antibody-Drug Conjugates for Lung Cancer: Payloads and Progress. Am Soc Clin Oncol Educ Book 2023; 43:e389968. [PMID: 37163707 DOI: 10.1200/edbk_389968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Antibody Drug Conjugates (ADCs) are a novel class of therapeutic that structurally comprise an antibody directed at a tumor epitope connected via a linker to a cytotoxic payload that have shown significant antitumor activity across a range of malignancies including lung cancer. In this article we review the pharmacology of ADCs, describe results of trials with ADCs directed at targets in lung cancer including Trophoblast cell-surface antigen 2(TROP2), HER3, MET, Carcinoembryonic antigen-related cell adhesion molecular 5(CECAM-5) and HER2. Trastuzumab Deruxtecan (also known as DS-8201a or T-DXd) an ADC directed at HER2 recently became the first ADC to receive FDA approval in lung cancer, on the basis of its activity in tumors with HER2 mutations, demonstrated in the Destiny-Lung01 and Lung02 trials.
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Affiliation(s)
- Samuel Rosner
- Sidney Kimmel Comprehensive Cancer Center, Baltimore, MD
| | - Augusto Valdivia
- Oncology Department, Vall d'Hebron University Hospital and Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Hui Jing Hoe
- Department of Medical Oncology, Peter MacCallum Cancer Centre, Melbourne, VIC, Australia
| | | | - Benjamin Levy
- Sidney Kimmel Comprehensive Cancer Center, Baltimore, MD
| | - Enriqueta Felip
- Oncology Department, Vall d'Hebron University Hospital and Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Benjamin J Solomon
- Department of Medical Oncology, Peter MacCallum Cancer Centre, Melbourne, VIC, Australia
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58
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Ebrahimi SB, Samanta D. Engineering protein-based therapeutics through structural and chemical design. Nat Commun 2023; 14:2411. [PMID: 37105998 PMCID: PMC10132957 DOI: 10.1038/s41467-023-38039-x] [Citation(s) in RCA: 49] [Impact Index Per Article: 49.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 04/05/2023] [Indexed: 04/29/2023] Open
Abstract
Protein-based therapeutics have led to new paradigms in disease treatment. Projected to be half of the top ten selling drugs in 2023, proteins have emerged as rivaling and, in some cases, superior alternatives to historically used small molecule-based medicines. This review chronicles both well-established and emerging design strategies that have enabled this paradigm shift by transforming protein-based structures that are often prone to denaturation, degradation, and aggregation in vitro and in vivo into highly effective therapeutics. In particular, we discuss strategies for creating structures with increased affinity and targetability, enhanced in vivo stability and pharmacokinetics, improved cell permeability, and reduced amounts of undesired immunogenicity.
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Affiliation(s)
- Sasha B Ebrahimi
- Drug Product Development-Steriles, GlaxoSmithKline, Collegeville, PA, 19426, USA.
| | - Devleena Samanta
- Department of Chemistry, The University of Texas at Austin, Austin, TX, 78712, USA.
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59
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Tang H, Zhang M, Zhang Y, Luo P, Ravelli D, Wu J. Direct Synthesis of Thioesters from Feedstock Chemicals and Elemental Sulfur. J Am Chem Soc 2023; 145:5846-5854. [PMID: 36854068 DOI: 10.1021/jacs.2c13157] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2023]
Abstract
The development of a mild, atom- and step-economical catalytic strategy that effectively generates value-added molecules directly from readily available commodity chemicals is a central goal of organic synthesis. In this context, the thiol-ene click chemistry for carbon-sulfur (C-S) bond construction has found widespread applications in the synthesis of pharmaceuticals and functional materials. In contrast, the selective carbonyl thiyl radical addition to carbon-carbon multiple bonds remains underdeveloped. Herein, we report a carbonyl thiyl radical-based thioester synthesis through three-component coupling from feedstock aldehydes, alkenes, or alkynes and elemental sulfur by direct photocatalyzed hydrogen atom transfer. This method represents an orthogonal strategy to the conventional thiol-based nucleophilic substitution and exhibits a remarkably broad substrate scope ranging from simple commodity chemicals such as ethylene and acetylene to complex pharmaceutical molecules. This protocol can be easily extended to the synthesis of thiolactones, oligomer/polymers, and thioacids. Its synthetic utility has been demonstrated by a two-step synthesis of the drug esonarimod. Mechanistic studies indicate that the use of elemental sulfur to trap acyl radicals is both thermodynamically and kinetically favored, illustrating its great potential for the synthesis of sulfur-containing molecules.
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Affiliation(s)
- Haidi Tang
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore.,National University of Singapore (Suzhou) Research Institute, Suzhou 215123, China
| | - Muliang Zhang
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore.,Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Yuchao Zhang
- Institute of Basic Medicine and Cancer (IBMC) Cancer Hospital of the University of Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, China
| | - Penghao Luo
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
| | - Davide Ravelli
- PhotoGreen Lab, Department of Chemistry, University of Pavia, 27100 Pavia, Italy
| | - Jie Wu
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore.,National University of Singapore (Suzhou) Research Institute, Suzhou 215123, China
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60
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Fan X, Zhang M, Gao Y, Zhou Q, Zhang Y, Yu J, Xu W, Yan J, Liu H, Lei Z, Ter YC, Chanmungkalakul S, Lum Y, Liu X, Cui G, Wu J. Stepwise on-demand functionalization of multihydrosilanes enabled by a hydrogen-atom-transfer photocatalyst based on eosin Y. Nat Chem 2023; 15:666-676. [PMID: 36894703 DOI: 10.1038/s41557-023-01155-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 02/03/2023] [Indexed: 03/11/2023]
Abstract
Organosilanes are of vital importance for modern human society, having found widespread applications in functional materials, organic synthesis, drug discovery and life sciences. However, their preparation remains far from trivial, and on-demand synthesis of heteroleptic substituted silicon reagents is a formidable challenge. The generation of silyl radicals from hydrosilanes via direct hydrogen-atom-transfer (HAT) photocatalysis represents the most atom-, step-, redox- and catalyst-economic pathway for the activation of hydrosilanes. Here, in view of the green characteristics of neutral eosin Y (such as its abundance, low cost, metal-free nature, absorption of visible light and excellent selectivity), we show that using it as a direct HAT photocatalyst enables the stepwise custom functionalization of multihydrosilanes, giving access to fully substituted silicon compounds. By exploiting this strategy, we realize preferable hydrogen abstraction of Si-H bonds in the presence of active C-H bonds, diverse functionalization of hydrosilanes (for example, alkylation, vinylation, allylation, arylation, deuteration, oxidation and halogenation), and remarkably selective monofunctionalization of di- and trihydrosilanes.
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Affiliation(s)
- Xuanzi Fan
- Department of Chemistry, National University of Singapore, Singapore, Republic of Singapore
| | - Muliang Zhang
- Department of Chemistry, National University of Singapore, Singapore, Republic of Singapore
| | - Yuanjun Gao
- Key Laboratory of Theoretical and Computational Photochemistry, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, People's Republic of China
| | - Qi Zhou
- Department of Chemistry, National University of Singapore, Singapore, Republic of Singapore
| | - Yanbin Zhang
- Department of Chemistry, National University of Singapore, Singapore, Republic of Singapore
| | - Jiajia Yu
- Department of Chemistry, National University of Singapore, Singapore, Republic of Singapore
| | - Wengang Xu
- Department of Chemistry, National University of Singapore, Singapore, Republic of Singapore
| | - Jianming Yan
- Department of Chemistry, National University of Singapore, Singapore, Republic of Singapore
| | - Haiwang Liu
- Department of Chemistry, National University of Singapore, Singapore, Republic of Singapore
| | - Zhexuan Lei
- Department of Chemistry, National University of Singapore, Singapore, Republic of Singapore
| | - Yan Chong Ter
- Department of Chemistry, National University of Singapore, Singapore, Republic of Singapore
| | - Supphachok Chanmungkalakul
- Fluorescence Research Group, Singapore University of Technology and Design, Singapore, Republic of Singapore
| | - Yanwei Lum
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, Republic of Singapore
| | - Xiaogang Liu
- Fluorescence Research Group, Singapore University of Technology and Design, Singapore, Republic of Singapore
| | - Ganglong Cui
- Key Laboratory of Theoretical and Computational Photochemistry, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, People's Republic of China
| | - Jie Wu
- Department of Chemistry, National University of Singapore, Singapore, Republic of Singapore.
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61
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Hong Y, Nam SM, Moon A. Antibody-drug conjugates and bispecific antibodies targeting cancers: applications of click chemistry. Arch Pharm Res 2023; 46:131-148. [PMID: 36877356 DOI: 10.1007/s12272-023-01433-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Accepted: 01/30/2023] [Indexed: 03/07/2023]
Abstract
Engineering approaches using antibody drug conjugates (ADCs) and bispecific antibodies (bsAbs) are designed to overcome the limitations of conventional chemotherapies and therapeutic antibodies such as drug resistance and non-specific toxicity. Cancer immunotherapies have been shown to be clinically successful with checkpoint blockade and chimeric antigen receptor T cell therapy; however, overactive immune systems still represent a major problem. Given the complexity of a tumor environment, it would be advantageous to have a strategy targeting two or more molecules. We highlight the necessity and importance of a multi-target platform strategy against cancer. Approximately 400 ADCs and over 200 bsAbs are currently being clinically developed for several indications, with promising signs of therapeutic activity. ADCs include antibodies that recognize tumor antigens, linkers that stably connect drugs, and powerful cytotoxic drugs, also known as payloads. ADCs have direct therapeutic effects by targeting cancers with a strong payload. Another type of drug that uses antibodies are bsAbs, targeting two antigens by linking to antigen recognition sites or bridging cytotoxic immune cells to tumor cells, resulting in cancer immunotherapy. Three bsAbs and one ADC have been approved for use by the FDA and the EMA in 2022. Among these, two of the bsAbs and the one ADC are used for cancers. We introduced that bsADC, a combination of ADC and bsAbs, has yet to be approved and several candidates are in the early stages of clinical development in this review. bsADCs technology helps increase the specificity of ADCs or the internalization and killing ability of bsAbs. We also briefly discuss the application of click chemistry in the efficient development of ADCs and bsAbs as a conjugation strategy. The present review summarizes the ADCs, bsAbs, and bsADCs that have been approved for anti-cancer or currently in development. These strategies selectively deliver drugs to malignant tumor cells and can be used as therapeutic approaches for various types of cancer.
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Affiliation(s)
- Yeji Hong
- College of Pharmacy, Duksung Innovative Drug Center, Duksung Women's University, Seoul, 01369, Korea
| | - Su-Min Nam
- College of Pharmacy, Duksung Innovative Drug Center, Duksung Women's University, Seoul, 01369, Korea
| | - Aree Moon
- College of Pharmacy, Duksung Innovative Drug Center, Duksung Women's University, Seoul, 01369, Korea.
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62
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Chauhan P, V. R, Kumar M, Molla R, V. B. U, Rai V. Dis integrate (DIN) Theory Enabling Precision Engineering of Proteins. ACS CENTRAL SCIENCE 2023; 9:137-150. [PMID: 36844488 PMCID: PMC9951294 DOI: 10.1021/acscentsci.2c01455] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Indexed: 06/18/2023]
Abstract
The chemical toolbox for the selective modification of proteins has witnessed immense interest in the past few years. The rapid growth of biologics and the need for precision therapeutics have fuelled this growth further. However, the broad spectrum of selectivity parameters creates a roadblock to the field's growth. Additionally, bond formation and dissociation are significantly redefined during the translation from small molecules to proteins. Understanding these principles and developing theories to deconvolute the multidimensional attributes could accelerate the area. This outlook presents a disintegrate (DIN) theory for systematically disintegrating the selectivity challenges through reversible chemical reactions. An irreversible step concludes the reaction sequence to render an integrated solution for precise protein bioconjugation. In this perspective, we highlight the key advancements, unsolved challenges, and potential opportunities.
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63
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Aigbogun OP, Phenix CP, Krol ES, Price EW. The Chemistry of Creating Chemically Programmed Antibodies (cPAbs): Site-Specific Bioconjugation of Small Molecules. Mol Pharm 2023; 20:853-874. [PMID: 36696533 DOI: 10.1021/acs.molpharmaceut.2c00821] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Small-molecule drugs have been employed for years as therapeutics in the pharmaceutical industry. However, small-molecule drugs typically have short in vivo half-lives which is one of the largest impediments to the success of many potentially valuable pharmacologically active small molecules. The undesirable pharmacokinetics and pharmacology associated with some small molecules have led to the development of a new class of bioconjugates known as chemically programmed antibodies (cPAbs). cPAbs are bioconjugates in which antibodies are used to augment small molecules with effector functions and prolonged pharmacokinetic profiles, where the pharmacophore of the small molecule is harnessed for target binding and therefore biological targeting. Many different small molecules can be conjugated to large proteins such as full monoclonal antibodies (IgG), fragment crystallizable regions (Fc), or fragment antigen binding regions (Fab). In order to successfully and site-specifically conjugate small molecules to any class of antibodies (IgG, Fc, or Fab), the molecules must be derivatized with a functional group for ease of conjugation without altering the pharmacology of the small molecules. In this Review, we summarize the different synthetic or biological methods that have been employed to produce cPAbs. These unique chemistries have potential to be applied to other fields of antibody modification such as antibody drug conjugates, radioimmunoconjugates, and fluorophore-tagged antibodies.
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Affiliation(s)
- Omozojie P Aigbogun
- Department of Chemistry, University of Saskatchewan, 110 Science Place, Saskatoon, S7N-5C9 Saskatchewan, Canada
| | - Christopher P Phenix
- Department of Chemistry, University of Saskatchewan, 110 Science Place, Saskatoon, S7N-5C9 Saskatchewan, Canada
| | - Ed S Krol
- Drug Discovery and Development Research Group, College of Pharmacy and Nutrition, University of Saskatchewan, 107 Wiggins Road, Saskatoon, S7N-5E5 Saskatchewan, Canada
| | - Eric W Price
- Department of Chemistry, University of Saskatchewan, 110 Science Place, Saskatoon, S7N-5C9 Saskatchewan, Canada
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64
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Stuyver T, Jorner K, Coley CW. Reaction profiles for quantum chemistry-computed [3 + 2] cycloaddition reactions. Sci Data 2023; 10:66. [PMID: 36725850 PMCID: PMC9892576 DOI: 10.1038/s41597-023-01977-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 01/18/2023] [Indexed: 02/03/2023] Open
Abstract
Bio-orthogonal click chemistry based on [3 + 2] dipolar cycloadditions has had a profound impact on the field of biochemistry and significant effort has been devoted to identify promising new candidate reactions for this purpose. To gauge whether a prospective reaction could be a suitable bio-orthogonal click reaction, information about both on- and off-target activation and reaction energies is highly valuable. Here, we use an automated workflow, based on the autodE program, to compute over 5000 reaction profiles for [3 + 2] cycloadditions involving both synthetic dipolarophiles and a set of biologically-inspired structural motifs. Based on a succinct benchmarking study, the B3LYP-D3(BJ)/def2-TZVP//B3LYP-D3(BJ)/def2-SVP level of theory was selected for the DFT calculations, and standard conditions and an (aqueous) SMD model were imposed to mimic physiological conditions. We believe that this data, as well as the presented workflow for high-throughput reaction profile computation, will be useful to screen for new bio-orthogonal reactions, as well as for the development of novel machine learning models for the prediction of chemical reactivity more broadly.
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Affiliation(s)
- Thijs Stuyver
- grid.116068.80000 0001 2341 2786Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139 USA
| | - Kjell Jorner
- grid.17063.330000 0001 2157 2938Department of Computer Science, University of Toronto, 40 St George St, Toronto, Ontario M5S 2E4 Canada ,grid.17063.330000 0001 2157 2938Department of Chemistry, Chemical Physics Theory Group, 80 St. George St., University of Toronto, Ontario, M5S 3H6 Canada ,grid.5371.00000 0001 0775 6028Department of Chemistry and Chemical Engineering, Chalmers University of Technology, Kemigården 4, SE-41258 Gothenburg, Sweden
| | - Connor W. Coley
- grid.116068.80000 0001 2341 2786Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139 USA ,grid.116068.80000 0001 2341 2786Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139 USA
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65
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Park S, Chin-Hun Kuo J, Reesink HL, Paszek MJ. Recombinant mucin biotechnology and engineering. Adv Drug Deliv Rev 2023; 193:114618. [PMID: 36375719 PMCID: PMC10253230 DOI: 10.1016/j.addr.2022.114618] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 10/14/2022] [Accepted: 11/04/2022] [Indexed: 11/13/2022]
Abstract
Mucins represent a largely untapped class of polymeric building block for biomaterials, therapeutics, and other biotechnology. Because the mucin polymer backbone is genetically encoded, sequence-specific mucins with defined physical and biochemical properties can be fabricated using recombinant technologies. The pendent O-glycans of mucins are increasingly implicated in immunomodulation, suppression of pathogen virulence, and other biochemical activities. Recent advances in engineered cell production systems are enabling the scalable synthesis of recombinant mucins with precisely tuned glycan side chains, offering exciting possibilities to tune the biological functionality of mucin-based products. New metabolic and chemoenzymatic strategies enable further tuning and functionalization of mucin O-glycans, opening new possibilities to expand the chemical diversity and functionality of mucin building blocks. In this review, we discuss these advances, and the opportunities for engineered mucins in biomedical applications ranging from in vitro models to therapeutics.
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Affiliation(s)
- Sangwoo Park
- Field of Biophysics, Cornell University, Ithaca, NY 14853, USA
| | - Joe Chin-Hun Kuo
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Heidi L Reesink
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY, USA
| | - Matthew J Paszek
- Field of Biophysics, Cornell University, Ithaca, NY 14853, USA; Robert Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY 14853, USA; Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY 14853, USA.
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66
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Sondag D, Maartense L, de Jong H, de Kleijne FFJ, Bonger KM, Löwik DWPM, Boltje TJ, Dommerholt J, White PB, Blanco-Ania D, Rutjes FPJT. Readily Accessible Strained Difunctionalized trans-Cyclooctenes with Fast Click and Release Capabilities. Chemistry 2023; 29:e202203375. [PMID: 36478614 PMCID: PMC10107714 DOI: 10.1002/chem.202203375] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Indexed: 12/12/2022]
Abstract
The click reaction between a functionalized trans-cyclooctene (TCO) and a tetrazine (Tz) is a compelling method for bioorthogonal conjugation in combination with payload releasing capabilities. However, the synthesis of difunctionalized TCOs remains challenging. As a result, these compounds are poorly accessible, which impedes the development of novel applications. In this work, the scalable and accessible synthesis of a new bioorthogonal difunctionalized TCO is reported in only four single selective high yielding steps starting from commercially available compounds. The TCO-Tz click reaction was assessed and revealed excellent kinetic rates and subsequently payload release was shown with various functionalized derivatives. Tetrazine triggered release of carbonate and carbamate payloads was demonstrated up to 100 % release efficiency and local drug release was shown in a cellular toxicity study which revealed a >20-fold increase in cytotoxicity.
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Affiliation(s)
- Daan Sondag
- Institute for Molecules and Materials, Radboud University, 6525 AJ, Nijmegen, Netherlands
| | - Luuk Maartense
- Institute for Molecules and Materials, Radboud University, 6525 AJ, Nijmegen, Netherlands
| | - Heleen de Jong
- Institute for Molecules and Materials, Radboud University, 6525 AJ, Nijmegen, Netherlands
| | - Frank F J de Kleijne
- Institute for Molecules and Materials, Radboud University, 6525 AJ, Nijmegen, Netherlands
| | - Kimberly M Bonger
- Institute for Molecules and Materials, Radboud University, 6525 AJ, Nijmegen, Netherlands
| | - Dennis W P M Löwik
- Institute for Molecules and Materials, Radboud University, 6525 AJ, Nijmegen, Netherlands
| | - Thomas J Boltje
- Institute for Molecules and Materials, Radboud University, 6525 AJ, Nijmegen, Netherlands
| | - Jan Dommerholt
- Institute for Molecules and Materials, Radboud University, 6525 AJ, Nijmegen, Netherlands
| | - Paul B White
- Institute for Molecules and Materials, Radboud University, 6525 AJ, Nijmegen, Netherlands
| | - Daniel Blanco-Ania
- Institute for Molecules and Materials, Radboud University, 6525 AJ, Nijmegen, Netherlands
| | - Floris P J T Rutjes
- Institute for Molecules and Materials, Radboud University, 6525 AJ, Nijmegen, Netherlands
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67
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Steele AD, Kiefer AF, Hwang D, Yang D, Teijaro CN, Adhikari A, Rader C, Shen B. Application of a Biocatalytic Strategy for the Preparation of Tiancimycin-Based Antibody-Drug Conjugates Revealing Key Insights into Structure-Activity Relationships. J Med Chem 2023; 66:1562-1573. [PMID: 36599039 DOI: 10.1021/acs.jmedchem.2c01771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Antibody-drug conjugates (ADCs) are cancer chemotherapeutics that utilize a monoclonal antibody (mAb)-based delivery system, a cytotoxic payload, and a chemical linker. ADC payloads must be strategically functionalized to allow linker attachment without perturbing the potency required for ADC efficacy. We previously developed a biocatalytic system for the precise functionalization of tiancimycin (TNM)-based payloads. The TNMs are anthraquinone-fused enediynes (AFEs) and have yet to be translated into the clinic. Herein, we report the translation of biocatalytically functionalized TNMs into ADCs in combination with the dual-variable domain (DVD)-mAb platform. The DVD enables both site-specific conjugation and a plug-and-play modularity for antigen-targeting specificity. We evaluated three linker chemistries in terms of TNM-based ADC potency and antigen selectivity, demonstrating a trade-off between potency and selectivity. This represents the first application of AFE-based payloads to DVDs for ADC development, a workflow that is generalizable to further advance AFE-based ADCs for multiple cancer types.
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Affiliation(s)
| | | | | | | | | | - Ajeeth Adhikari
- Skaggs Graduate School of Chemical and Biological Sciences, Scripps Research, Jupiter, Florida 33458, United States
| | - Christoph Rader
- Skaggs Graduate School of Chemical and Biological Sciences, Scripps Research, Jupiter, Florida 33458, United States
| | - Ben Shen
- Skaggs Graduate School of Chemical and Biological Sciences, Scripps Research, Jupiter, Florida 33458, United States
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68
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Nguyen TD, Bordeau BM, Balthasar JP. Mechanisms of ADC Toxicity and Strategies to Increase ADC Tolerability. Cancers (Basel) 2023; 15:713. [PMID: 36765668 PMCID: PMC9913659 DOI: 10.3390/cancers15030713] [Citation(s) in RCA: 45] [Impact Index Per Article: 45.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/19/2023] [Accepted: 01/19/2023] [Indexed: 01/26/2023] Open
Abstract
Anti-cancer antibody-drug conjugates (ADCs) aim to expand the therapeutic index of traditional chemotherapy by employing the targeting specificity of monoclonal antibodies (mAbs) to increase the efficiency of the delivery of potent cytotoxic agents to malignant cells. In the past three years, the number of ADCs approved by the Food and Drug Administration (FDA) has tripled. Although several ADCs have demonstrated sufficient efficacy and safety to warrant FDA approval, the clinical use of all ADCs leads to substantial toxicity in treated patients, and many ADCs have failed during clinical development due to their unacceptable toxicity profiles. Analysis of the clinical data has demonstrated that dose-limiting toxicities (DLTs) are often shared by different ADCs that deliver the same cytotoxic payload, independent of the antigen that is targeted and/or the type of cancer that is treated. DLTs are commonly associated with cells and tissues that do not express the targeted antigen (i.e., off-target toxicity), and often limit ADC dosage to levels below those required for optimal anti-cancer effects. In this manuscript, we review the fundamental mechanisms contributing to ADC toxicity, we summarize common ADC treatment-related adverse events, and we discuss several approaches to mitigating ADC toxicity.
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Affiliation(s)
- Toan D Nguyen
- Department of Pharmaceutical Sciences, University at Buffalo, Buffalo, NY 14214, USA
| | - Brandon M Bordeau
- Department of Pharmaceutical Sciences, University at Buffalo, Buffalo, NY 14214, USA
| | - Joseph P Balthasar
- Department of Pharmaceutical Sciences, University at Buffalo, Buffalo, NY 14214, USA
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69
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Reineke TM. Bioconjugate Chemistry: Enabling Innovation and Fostering Community at the Nexus of Synthetic and Biological Research. Bioconjug Chem 2023; 34:1-2. [PMID: 36563340 DOI: 10.1021/acs.bioconjchem.2c00591] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Theresa M Reineke
- Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
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70
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Handali PR, Webb LJ. Gold Nanoparticles Are an Immobilization Platform for Active and Stable Acetylcholinesterase: Demonstration of a General Surface Protein Functionalization Strategy. ACS APPLIED BIO MATERIALS 2023; 6:209-217. [PMID: 36508683 DOI: 10.1021/acsabm.2c00834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Immobilizing enzymes onto abiological surfaces is a key step for developing protein-based technologies that can be useful for applications such as biosensors and biofuel cells. A central impediment for the advancement of this effort is a lack of generalizable strategies for functionalizing surfaces with proteins in ways that prevent unfolding, aggregation, and uncontrolled binding, requiring surface chemistries to be developed for each surface-enzyme pair of interest. In this work, we demonstrate a significant advancement toward addressing this problem using a gold nanoparticle (AuNP) as an initial scaffold for the chemical bonding of the enzyme acetylcholinesterase (AChE), forming the conjugate AuNP-AChE. This can then be placed onto chemically and structurally distinct surfaces (e.g., metals, semiconductors, plastics, etc.), thereby bypassing the need to develop surface functionalization strategies for every substrate or condition of interest. Carbodiimide crosslinker chemistry was used to bind surface lysine residues in AChE to AuNPs functionalized with ligands containing carboxylic acid tails. Using amino acid analysis, we found that on average, 3.3 ± 0.1 AChE proteins were bound per 5.22 ± 1.25 nm AuNP. We used circular dichroism spectroscopy to measure the structure of the bound protein and determined that it remained essentially unchanged after binding. Finally, we performed Michaelis-Menten kinetics to determine that the enzyme retained 18.2 ± 2.0% of its activity and maintained that activity over a period of at least three weeks after conjugation to AuNPs. We hypothesize that structural changes to the peripheral active site of AChE are responsible for the differences in activity of bound AChE and unbound AChE. This work is a proof-of-concept demonstration of a generalizable method for placing proteins onto chemically and structurally diverse substrates and materials without the need for surface functionalization strategies.
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Affiliation(s)
- Paul R Handali
- The University of Texas at Austin, Austin, Texas 78712-1224, United States
| | - Lauren J Webb
- Department of Chemistry, Texas Materials Institute, and Interdisciplinary Life Sciences Program, The University of Texas at Austin, 105 E 24th St. STOP A5300, Austin, Texas 78712-1224, United States
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71
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MacPherson DS, Hwang D, Sarrett SM, Keinänen O, Rodriguez C, Rader C, Zeglis BM. Leveraging a Dual Variable Domain Immunoglobulin to Create a Site-Specifically Modified Radioimmunoconjugate. Mol Pharm 2023; 20:775-782. [PMID: 36377696 PMCID: PMC10263003 DOI: 10.1021/acs.molpharmaceut.2c00700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Site-specifically modified radioimmunoconjugates exhibit superior in vitro and in vivo behavior compared to analogues synthesized via traditional stochastic methods. However, the development of approaches to site-specific bioconjugation that combine high levels of selectivity, simple reaction conditions, and clinical translatability remains a challenge. Herein, we describe a novel solution to this problem: the use of dual-variable domain immunoglobulins (DVD-IgG). More specifically, we report the synthesis, in vitro evaluation, and in vivo validation of a 177Lu-labeled radioimmunoconjugate based on HER2DVD, a DVD-IgG containing the HER2-targeting variable domains of trastuzumab and the catalytic variable domains of IgG h38C2. To this end, we first modified HER2DVD with a phenyloxadiazolyl methlysulfone-modified variant of the chelator CHX-A″-DTPA (PODS-CHX-A''-DTPA) and verified the site-specificity of the conjugation for the reactive lysines within the catalytic domains via chemical assay, MALDI-ToF mass spectrometry, and SDS-PAGE. The chelator-bearing immunoconjugate was subsequently labeled with [177Lu]Lu3+ to produce the completed radioimmunoconjugate, [177Lu]Lu-CHX-A″-DTPAPODS-HER2DVD, in >80% radiochemical conversion and a specific activity of 29.5 ± 7.1 GBq/μmol. [177Lu]Lu-CHX-A″-DTPAPODS-HER2DVD did not form aggregates upon prolonged incubation in human serum, displayed 87% stability to demetalation over a 7 days of incubation in serum, and exhibited an immunoreactive fraction of 0.95 with HER2-coated beads. Finally, we compared the pharmacokinetic profile of [177Lu]Lu-CHX-A″-DTPAPODS-HER2DVD to that of a 177Lu-labeled variant of trastuzumab in mice bearing subcutaneous HER2-expressing BT-474 human breast cancer xenografts. The in vivo performance of [177Lu]Lu-CHX-A″-DTPAPODS-HER2DVD matched that of 177Lu-labeled trastuzumab, with the former producing a tumoral activity concentration of 34.1 ± 12.1 %ID/g at 168 h and tumor-to-blood, tumor-to-liver, and tumor-to-kidney activity concentration ratios of 10.5, 9.6, and 21.8, respectively, at the same time point. Importantly, the DVD-IgG did not exhibit a substantially longer serum half-life than the traditional IgG despite its significantly larger size (202 kDa for the former vs 148 kDa for the latter). Taken together, these data suggest that DVD-IgGs represent a viable platform for the future development of highly effective site-specifically labeled radioimmunoconjugates for diagnostic imaging, theranostic imaging, and radioimmunotherapy.
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Affiliation(s)
- Douglas S. MacPherson
- Department of Chemistry, Hunter College of the City University of New York, 413 East 69th Street, New York, New York 10028, United States
- Ph.D. Program in Biochemistry, The Graduate Center of the City University of New York, 365 Fifth Avenue, New York, New York 10016, United States
- Advanced Science Research Center (ASRC) at The Graduate Center, City University of New York, 85 St. Nicholas Terrace, New York, NY 10031, USA
- Department of Radiology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, New York 10065, United States
| | - Dobeen Hwang
- Department of Immunology and Microbiology, UF Scripps Biomedical Research, University of Florida, Jupiter, Florida 33458, United States
| | - Samantha M. Sarrett
- Department of Chemistry, Hunter College of the City University of New York, 413 East 69th Street, New York, New York 10028, United States
- Ph.D. Program in Biochemistry, The Graduate Center of the City University of New York, 365 Fifth Avenue, New York, New York 10016, United States
- Department of Radiology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, New York 10065, United States
| | - Outi Keinänen
- Department of Chemistry, Hunter College of the City University of New York, 413 East 69th Street, New York, New York 10028, United States
- Department of Radiology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, New York 10065, United States
- Department of Chemistry, University of Helsinki, P.O. Box 55, FI-00014 Helsinki, Finland
| | - Cindy Rodriguez
- Department of Chemistry, Hunter College of the City University of New York, 413 East 69th Street, New York, New York 10028, United States
- Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, 365 Fifth Avenue, New York, New York 10016, United States
- Department of Radiology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, New York 10065, United States
| | - Christoph Rader
- Department of Immunology and Microbiology, UF Scripps Biomedical Research, University of Florida, Jupiter, Florida 33458, United States
| | - Brian M. Zeglis
- Department of Chemistry, Hunter College of the City University of New York, 413 East 69th Street, New York, New York 10028, United States
- Ph.D. Program in Biochemistry, The Graduate Center of the City University of New York, 365 Fifth Avenue, New York, New York 10016, United States
- Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, 365 Fifth Avenue, New York, New York 10016, United States
- Department of Radiology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, New York 10065, United States
- Department of Radiology, Weill Cornell Medical College, 520 East 70th Street, New York, New York 10065, United States
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Benelli R, Costa D, Salvini L, Tardito S, Tosetti F, Villa F, Zocchi MR, Poggi A. Targeting of colorectal cancer organoids with zoledronic acid conjugated to the anti-EGFR antibody cetuximab. J Immunother Cancer 2022; 10:jitc-2022-005660. [PMID: 36543375 PMCID: PMC9772689 DOI: 10.1136/jitc-2022-005660] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/17/2022] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Antibody-drug conjugates (ADC) are essential therapeutic options to treat solid and hematological cancers. The anti-epidermal growth factor-receptor (EGFR) antibody cetuximab (Cet) is used for the therapy of colorectal carcinoma (CRC). Anti-CRC Vδ2 cytolytic T lymphocytes can be elicited by the priming of tumor cells with the aminobisphosphonate zoledronic acid (ZA) and consequent presentation of isopentenyl pyrophosphates through butyrophilin (BTN) family members such as BTN3A1 and BTN2A1. A major drawback that impairs the targeting of ZA to CRC is the bone tropism of aminobisphosphonates. METHODS The phosphoric group of ZA was linked to free amino groups of Cet in the presence of imidazole following the labeling of phosphoric groups of DNA to amino groups of proteins. The generation of Cet-ZA ADC was confirmed by matrix assisted laser desorption ionization mass spectrometry and inductively coupled plasma-mass spectrometry analysis. Thirteen CRC organoids were obtained with a chemically defined serum-free medium in Geltrex domes. Proliferation and activation of cytolytic activity against CRC organoids by Vδ2 T cells was detected with flow cytometry, crystal violet and cytotoxic probe assays and image analysis. Immunohistochemistry and quantification of BTN3A1 or BTN2A1 expression and the number of tumor infiltrating Vδ2 T cells in CRC were performed by automatic immunostaining, whole slide scanning and computerized analysis of digital pathology imaging. RESULTS The novel ADC Cet-ZA was generated with a drug antibody ratio of 4.3 and displayed a reactivity similar to the unconjugated antibody. More importantly, patient-derived CRC organoids, or CRC tumor cell suspensions, could trigger the expansion of Vδ2 T cells from peripheral blood and tumor infiltrating lymphocytes when primed with Cet-ZA. Furthermore, Cet-ZA triggered Vδ2 T cell-mediated killing of CRC organoids. The expression of BTN3A1 and BTN2A1 was detected not only in CRC organoids but also in CRC specimens, together with a considerable amount of tumor infiltrating Vδ2 T cells. CONCLUSIONS These findings are proof of concept that the Cet-ZA ADC can be used to target specifically CRC organoids and may suggest a new experimental approach to deliver aminobisphosphonates to EGFR+ solid tumors.
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Affiliation(s)
- Roberto Benelli
- Molecular Oncology and Angiogenesis Unit, IRCCS Ospedale Policlinico San Martino, Genova, Italy
| | - Delfina Costa
- Molecular Oncology and Angiogenesis Unit, IRCCS Ospedale Policlinico San Martino, Genova, Italy
| | - Laura Salvini
- Technologies Facilities, Fondazione Toscana Life Sciences, Siena, Italy
| | - Samuele Tardito
- Molecular Oncology and Angiogenesis Unit, IRCCS Ospedale Policlinico San Martino, Genova, Italy
| | - Francesca Tosetti
- Molecular Oncology and Angiogenesis Unit, IRCCS Ospedale Policlinico San Martino, Genova, Italy
| | - Federico Villa
- Molecular Oncology and Angiogenesis Unit, IRCCS Ospedale Policlinico San Martino, Genova, Italy
| | - Maria Raffaella Zocchi
- Division of Immunology, Transplants and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Alessandro Poggi
- Molecular Oncology and Angiogenesis Unit, IRCCS Ospedale Policlinico San Martino, Genova, Italy
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73
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Melodia D, Di Pietro Z, Cao C, Stenzel MH, Chapman R. Traceless pH-Sensitive Antibody Conjugation Inspired by Citraconic Anhydride. Biomacromolecules 2022; 23:5322-5329. [PMID: 36395470 DOI: 10.1021/acs.biomac.2c01125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
We introduce a pH-sensitive amide bond, inspired by citraconic anhydride, for the reversible conjugation of polymers to the lysine residues of proteins and antibodies. The pH sensitivity arises from a conformation lock at the end of the polymer, which we introduce by means of a Diels-Alder reaction, that positions a carboxylic acid close to the amide after conjugation occurs. The amide is stable over weeks at pH 7.4 but sensitive to hydrolysis at pH 5.5 and below, returning the amine to its original state. The pH sensitivity can be tuned by positioning secondary amide groups nearby. We use this approach to PEGylate an antibody to human serum albumin at high dilution and demonstrate successful recovery of the activity after hydrolysis at pH 5.5. These results offer a convenient and traceless approach to protein and antibody functionalization.
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Affiliation(s)
- Daniele Melodia
- School of Chemistry, UNSW Sydney, Kensington, NSW 2052, Australia
| | - Zachary Di Pietro
- School of Environmental and Life Sciences, University of Newcastle, Callaghan, NSW 2308, Australia
| | - Cheng Cao
- School of Chemistry, UNSW Sydney, Kensington, NSW 2052, Australia
| | | | - Robert Chapman
- School of Chemistry, UNSW Sydney, Kensington, NSW 2052, Australia.,School of Environmental and Life Sciences, University of Newcastle, Callaghan, NSW 2308, Australia
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74
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Shirinichi F, Ibrahim T, Rodriguez M, Sun H. Assembling the best of two worlds: Biomolecule‐polymer nanoparticles via polymerization‐induced self‐assembly. JOURNAL OF POLYMER SCIENCE 2022. [DOI: 10.1002/pol.20220614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Farbod Shirinichi
- Department of Chemistry and Chemical & Biomedical Engineering, Tagliatela College of Engineering University of New Haven West Haven Connecticut USA
| | - Tarek Ibrahim
- Department of Chemistry and Chemical & Biomedical Engineering, Tagliatela College of Engineering University of New Haven West Haven Connecticut USA
| | - Mia Rodriguez
- Department of Chemistry and Chemical & Biomedical Engineering, Tagliatela College of Engineering University of New Haven West Haven Connecticut USA
| | - Hao Sun
- Department of Chemistry and Chemical & Biomedical Engineering, Tagliatela College of Engineering University of New Haven West Haven Connecticut USA
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75
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Modular Site-Specific Conjugation of Nanobodies Using Two Co-Associating Tags. Int J Mol Sci 2022; 23:ijms232214405. [PMID: 36430882 PMCID: PMC9696751 DOI: 10.3390/ijms232214405] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 11/12/2022] [Accepted: 11/17/2022] [Indexed: 11/22/2022] Open
Abstract
The homogeneous labeling of antibodies and their fragments is a critical step for the generation of robust probes used in immuno-detection applications. To date, numerous chemical, genetic and peptide-based site-specific coupling methods have been developed. Among these methods, co-assembling peptide-tags is one of the most straightforward and versatile solutions. Here, we describe site-specific labeling of nanobodies through the use of two co-associating peptides tags, E3 and K3, originating from the tetramerization domain of p53. These E3 and K3-tags provide a simple and robust method for associating stoichiometric amount of VHH and fluorescent probes, either fluorescent proteins or fluorochromes, at specific positions. As a proof of concept, a nanobody targeting the human epidermal growth factor receptor 2 (HER2), the nano-HER2 was genetically fused to the E3 and associated with different fluorescent K3-derivates. Entities were produced separately in Escherichia coli in soluble forms at high yields and co-assembled in vitro. These molecular probes present high binding specificity on HER2-overexpressing cells in flow-cytometry with relative binding constants in the low nanomolar range and are stable enough to stain HER2-receptor on living cells followed detection using fluorescent confocal microscopy. Altogether, our results demonstrate that the non-covalent conjugation method using these two co-associating peptides can be easily implemented for the modular engineering of molecular probes for cell immuno-staining.
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76
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Lu Y, You L, Chen C. A phosphine-based redox method for direct conjugation of disulfides. Chem Commun (Camb) 2022; 58:12439-12442. [PMID: 36278800 PMCID: PMC9661873 DOI: 10.1039/d2cc04967h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/27/2023]
Abstract
Technologies for cysteine disulfide detection and conjugation are pivotal to understanding protein functions and developing disulfide-derived therapeutic agents. Currently, disulfide modification requires reductive cleavage prior to functionalization, posing challenges to differentiating disulfides from free thiols. We describe herein Redox-assisted Disulfide Direct Conjugation (RDDC) as a new method to enable disulfide rebridging without cross-reacting with free thiols.
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Affiliation(s)
- Yong Lu
- Department of Biochemistry, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390-9038, USA.
| | - Lin You
- Department of Biochemistry, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390-9038, USA.
| | - Chuo Chen
- Department of Biochemistry, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390-9038, USA.
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77
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Scinto SL, Reagle TR, Fox JM. Affinity Bioorthogonal Chemistry (ABC) Tags for Site-Selective Conjugation, On-Resin Protein-Protein Coupling, and Purification of Protein Conjugates. Angew Chem Int Ed Engl 2022; 61:e202207661. [PMID: 36058881 PMCID: PMC10029600 DOI: 10.1002/anie.202207661] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Indexed: 11/12/2022]
Abstract
The site-selective functionalization of proteins has broad application in chemical biology, but can be limited when mixtures result from incomplete conversion or the formation of protein containing side products. It is shown here that when proteins are covalently tagged with pyridyl-tetrazines, the nickel-iminodiacetate (Ni-IDA) resins commonly used for His-tags can be directly used for protein affinity purification. These Affinity Bioorthogonal Chemistry (ABC) tags serve a dual role by enabling affinity-based protein purification while maintaining rapid kinetics in bioorthogonal reactions. ABC-tagging works with a range of site-selective bioconjugation methods with proteins tagged at the C-terminus, N-terminus or at internal positions. ABC-tagged proteins can also be purified from complex mixtures including cell lysate. The combination of site-selective conjugation and clean-up with ABC-tagged proteins also allows for facile on-resin reactions to provide protein-protein conjugates.
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Affiliation(s)
- Samuel L Scinto
- Department of Chemistry and Biochemistry, University of Delaware, Ammon Pinizzotto Biopharmaceutical Innovation Center, Newark, DE 19713, USA
| | - Tyler R Reagle
- Department of Chemistry and Biochemistry, University of Delaware, Ammon Pinizzotto Biopharmaceutical Innovation Center, Newark, DE 19713, USA
| | - Joseph M Fox
- Department of Chemistry and Biochemistry, University of Delaware, Ammon Pinizzotto Biopharmaceutical Innovation Center, Newark, DE 19713, USA
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78
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Bautista L, Pill-Pepe L, Kapoor N, Snyder S, Chu E, Agarwal P, Sardar M, Arulkumar S, Berges A, Iverson M, Behrens C, Marcq O, Fairman J. Addition of Lauryldimethylamine N-Oxide (LDAO) to a Copper-Free Click Chemistry Reaction Improves the Conjugation Efficiency of a Cell-Free Generated CRM197 Variant to Clinically Important Streptococcus pneumoniae Serotypes. ACS OMEGA 2022; 7:34921-34928. [PMID: 36211053 PMCID: PMC9535640 DOI: 10.1021/acsomega.2c03481] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 09/07/2022] [Indexed: 05/22/2023]
Abstract
Strain-promoted azide-alkyne cycloaddition (SPAAC) reactions like click chemistry have the potential to be highly scalable, robust, and cost-effective methods for generating small- and large-molecule conjugates for a variety of applications. However, despite method improvements, the rates of copper-based click chemistry reactions continue to be much faster than the rates of copper-free click chemistry reactions, which makes broader deployment of click chemistry challenging from a safety and compatibility standpoint. In this study, we used a zwitterionic detergent, namely, lauryldimethylamine N-oxide (LDAO), in a copper-free click chemistry reaction to investigate its impact on the generation of conjugate vaccines (CVs). For this, we utilized an Xpress cell-free protein synthesis (CFPS) platform to generate a proprietary variant of CRM197 (eCRM) containing non-native amino acids (nnAA) with azide-containing side chains as a carrier protein for conjugation to several clinically relevant dibenzocyclooctyne (DBCO)-derivatized S. pneumoniae serotypes (types 3, 5, 18C, and 19A). For conjugation, we performed copper-free click chemistry in the presence and absence of LDAO. Our results show that the addition of LDAO significantly enhanced the reaction kinetics to generate larger conjugates, which were similarly immunogenic and equally stable to conjugates generated without LDAO. Most importantly, the addition of LDAO substantially improved the efficiency of the conjugation process. Thus, our results for the first time show that the addition of a zwitterionic surfactant to a copper-free click chemistry reaction can significantly accelerate the reaction kinetics along with improving the efficiency of the conjugation process.
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79
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Biopolymeric Prodrug Systems as Potential Antineoplastic Therapy. Pharmaceutics 2022; 14:pharmaceutics14091773. [PMID: 36145522 PMCID: PMC9505808 DOI: 10.3390/pharmaceutics14091773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 08/18/2022] [Accepted: 08/19/2022] [Indexed: 11/16/2022] Open
Abstract
Nowadays, cancer represents a major public health issue, a substantial economic issue, and a burden for society. Limited by numerous disadvantages, conventional chemotherapy is being replaced by new strategies targeting tumor cells. In this context, therapies based on biopolymer prodrug systems represent a promising alternative for improving the pharmacokinetic and pharmacologic properties of drugs and reducing their toxicity. The polymer-directed enzyme prodrug therapy is based on tumor cell targeting and release of the drug using polymer–drug and polymer–enzyme conjugates. In addition, current trends are oriented towards natural sources. They are biocompatible, biodegradable, and represent a valuable and renewable source. Therefore, numerous antitumor molecules have been conjugated with natural polymers. The present manuscript highlights the latest research focused on polymer–drug conjugates containing natural polymers such as chitosan, hyaluronic acid, dextran, pullulan, silk fibroin, heparin, and polysaccharides from Auricularia auricula.
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80
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Sarrett SM, Rodriguez C, Rymarczyk G, Hosny MM, Keinänen O, Delaney S, Thau S, Krantz BA, Zeglis BM. Lysine-Directed Site-Selective Bioconjugation for the Creation of Radioimmunoconjugates. Bioconjug Chem 2022; 33:1750-1760. [PMID: 35946495 DOI: 10.1021/acs.bioconjchem.2c00354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The synthesis of radioimmunoconjugates via the stochastic attachment of bifunctional chelators to lysines can yield heterogeneous products with suboptimal in vitro and in vivo behavior. In response to this, several site-selective approaches to bioconjugation have been developed, yet each has intrinsic drawbacks, such as the need for expensive reagents or the complexity of incorporating unnatural amino acids into IgGs. Herein, we describe the use of a simple and facile approach to lysine-directed site-selective bioconjugation for the generation of radioimmunoconjugates. This strategy relies upon on the selective modification of single lysine residues within each light chain of the monoclonal antibody (mAb) with a branched azide-bearing perfluorophenyl ester (PFP-bisN3) followed by the ligation of dibenzocyclooctyne (DBCO)-bearing payloads to these bioorthogonal handles via the strain-promoted azide-alkyne cycloaddition. This methodology was used to create [89Zr]Zr-SSKDFO-pertuzumab, a radioimmunoconjugate of the HER2-targeting mAb pertuzumab labeled with desferrioxamine (DFO) and the positron-emitting radiometal zirconium-89 (89Zr). [89Zr]Zr-SSKDFO-pertuzumab was compared to a pair of analogous probes: one synthesized via random lysine modification ([89Zr]Zr-DFO-pertuzumab) and another via thiol-maleimide chemistry ([89Zr]Zr-malDFO-pertuzumab). The bioconjugation strategy was assessed using ESI mass spectrometry, SDS-PAGE, and autoradiography. All three immunoconjugates demonstrated comparable binding to HER2 via flow cytometry and surface plasmon resonance (SPR), and 89Zr-labeled variants of each were synthesized in >99% radiochemical yield and molar activities of up to ∼55.5 GBq/μmol (10 mCi/mg). Subsequently, the in vivo behavior of this trio of 89Zr-immunoPET probes was interrogated in athymic nude mice bearing subcutaneous HER2-expressing BT-474 human breast cancer xenografts. [89Zr]Zr-SSKDFO-pertuzumab, [89Zr]Zr-malDFO-pertuzumab, and [89Zr]Zr-DFO-pertuzumab produced positron emission tomography (PET) images with high tumoral uptake and high tumor-to-healthy organ activity concentration ratios. A terminal biodistribution study complemented the PET results, revealing tumoral activity concentrations of 126.9 ± 50.3%ID/g, 86.9 ± 53.2%ID/g, and 92.5 ± 27.2%ID/g at 144 h post-injection for [89Zr]Zr-SSKDFO-pertuzumab, [89Zr]Zr-malDFO-pertuzumab, and [89Zr]Zr-DFO-pertuzumab, respectively. Taken together, the data clearly illustrate that this highly modular and facile approach to site-selective bioconjugation produces radioimmunoconjugates that are better-defined and more homogeneous than stochastically modified constructs and also exhibit excellent in vitro and in vivo performance. Furthermore, we contend that this lysine-directed strategy holds several key advantages over extant approaches to site-selective bioconjugation, especially in the context of production for the clinic.
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Affiliation(s)
- Samantha M Sarrett
- Department of Chemistry, Hunter College, City University of New York, New York, New York 10065, United States.,Ph.D. Program in Biochemistry, Graduate Center of the City University of New York, New York, New York 10016, United States.,Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York 10021, United States
| | - Cindy Rodriguez
- Department of Chemistry, Hunter College, City University of New York, New York, New York 10065, United States.,Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York 10021, United States.,Ph.D. Program in Chemistry, Graduate Center of the City University of New York, New York, New York 10016, United States
| | - Grzegorz Rymarczyk
- Advanced Proteome Therapeutics Inc, Boston, Massachusetts 02118, United States
| | - Meena M Hosny
- Department of Chemistry, Hunter College, City University of New York, New York, New York 10065, United States
| | - Outi Keinänen
- Department of Chemistry, Hunter College, City University of New York, New York, New York 10065, United States.,Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York 10021, United States.,Department of Chemistry, University of Helsinki, Helsinki, 00100, Finland
| | - Samantha Delaney
- Department of Chemistry, Hunter College, City University of New York, New York, New York 10065, United States.,Ph.D. Program in Biochemistry, Graduate Center of the City University of New York, New York, New York 10016, United States.,Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York 10021, United States
| | - Sarah Thau
- Department of Chemistry, Hunter College, City University of New York, New York, New York 10065, United States
| | - Benjamin A Krantz
- Advanced Proteome Therapeutics Inc, Boston, Massachusetts 02118, United States.,Department of Medicine, Division of Hematology and Medical Oncology, NYU Grossman School of Medicine, New York, New York 10016, United States
| | - Brian M Zeglis
- Department of Chemistry, Hunter College, City University of New York, New York, New York 10065, United States.,Ph.D. Program in Biochemistry, Graduate Center of the City University of New York, New York, New York 10016, United States.,Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York 10021, United States.,Ph.D. Program in Chemistry, Graduate Center of the City University of New York, New York, New York 10016, United States.,Department of Radiology, Weill Cornell Medical College, New York, New York 10021, United States
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81
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Dannheim FM, Walsh SJ, Orozco CT, Hansen AH, Bargh JD, Jackson SE, Bond NJ, Parker JS, Carroll JS, Spring DR. All-in-one disulfide bridging enables the generation of antibody conjugates with modular cargo loading. Chem Sci 2022; 13:8781-8790. [PMID: 35975158 PMCID: PMC9350601 DOI: 10.1039/d2sc02198f] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 07/10/2022] [Indexed: 12/30/2022] Open
Abstract
Antibody-drug conjugates (ADCs) are valuable therapeutic entities which leverage the specificity of antibodies to selectively deliver cytotoxins to antigen-expressing targets such as cancer cells. However, current methods for their construction still suffer from a number of shortcomings. For instance, using a single modification technology to modulate the drug-to-antibody ratio (DAR) in integer increments while maintaining homogeneity and stability remains exceptionally challenging. Herein, we report a novel method for the generation of antibody conjugates with modular cargo loading from native antibodies. Our approach relies on a new class of disulfide rebridging linkers, which can react with eight cysteine residues, thereby effecting all-in-one bridging of all four interchain disulfides in an IgG1 antibody with a single linker molecule. Modification of the antibody with the linker in a 1 : 1 ratio enabled the modulation of cargo loading in a quick and selective manner through derivatization of the linker with varying numbers of payload attachment handles to allow for attachment of either 1, 2, 3 or 4 payloads (fluorescent dyes or cytotoxins). Assessment of the biological activity of these conjugates demonstrated their exceptional stability in human plasma and utility for cell-selective cytotoxin delivery or imaging/diagnostic applications.
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Affiliation(s)
| | - Stephen J Walsh
- Yusuf Hamied Department of Chemistry, University of Cambridge Cambridge CB2 1EW UK
- Cancer Research UK Cambridge Institute, University of Cambridge Cambridge CB2 0RE UK
| | - Carolina T Orozco
- Yusuf Hamied Department of Chemistry, University of Cambridge Cambridge CB2 1EW UK
| | - Anders Højgaard Hansen
- Yusuf Hamied Department of Chemistry, University of Cambridge Cambridge CB2 1EW UK
- Department of Chemistry, Technical University of Denmark (DTU) 2800 Kgs. Lyngby Denmark
| | - Jonathan D Bargh
- Yusuf Hamied Department of Chemistry, University of Cambridge Cambridge CB2 1EW UK
| | - Sophie E Jackson
- Yusuf Hamied Department of Chemistry, University of Cambridge Cambridge CB2 1EW UK
| | - Nicholas J Bond
- Analytical Sciences, Biopharmaceutical Development, R&D, AstraZeneca Granta Park Cambridge CB21 6GH UK
| | - Jeremy S Parker
- Early Chemical Development, Pharmaceutical Development, R&D, AstraZeneca Macclesfield SK10 2NA UK
| | - Jason S Carroll
- Cancer Research UK Cambridge Institute, University of Cambridge Cambridge CB2 0RE UK
| | - David R Spring
- Yusuf Hamied Department of Chemistry, University of Cambridge Cambridge CB2 1EW UK
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82
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Research Progress of Conjugated Nanomedicine for Cancer Treatment. Pharmaceutics 2022; 14:pharmaceutics14071522. [PMID: 35890416 PMCID: PMC9315807 DOI: 10.3390/pharmaceutics14071522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Revised: 07/14/2022] [Accepted: 07/19/2022] [Indexed: 12/05/2022] Open
Abstract
The conventional cancer therapeutic modalities include surgery, chemotherapy and radiotherapy. Although immunotherapy and targeted therapy are also widely used in cancer treatment, chemotherapy remains the cornerstone of tumor treatment. With the rapid development of nanotechnology, nanomedicine is believed to be an emerging field to further improve the efficacy of chemotherapy. Until now, there are more than 17 kinds of nanomedicine for cancer therapy approved globally. Thereinto, conjugated nanomedicine, as an important type of nanomedicine, can not only possess the targeted delivery of chemotherapeutics with great precision but also achieve controlled drug release to avoid adverse effects. Meanwhile, conjugated nanomedicine provides the platform for combining several different therapeutic approaches (chemotherapy, photothermal therapy, photodynamic therapy, thermodynamic therapy, immunotherapy, etc.) with the purpose of achieving synergistic effects during cancer treatment. Therefore, this review focuses on conjugated nanomedicine and its various applications in synergistic chemotherapy. Additionally, the further perspectives and challenges of the conjugated nanomedicine are also addressed, which clarifies the design direction of a new generation of conjugated nanomedicine and facilitates the translation of them from the bench to the bedside.
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83
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Huang R, Hirschbiegel CM, Zhang X, Gupta A, Fedeli S, Xu Y, Rotello VM. Engineered Polymer-Supported Biorthogonal Nanocatalysts Using Flash Nanoprecipitation. ACS APPLIED MATERIALS & INTERFACES 2022; 14:31594-31600. [PMID: 35802797 DOI: 10.1021/acsami.2c04496] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Transition-metal catalysts (TMCs) effect bioorthogonal transformations that enable the generation of therapeutic agents in situ, minimizing off-target effects. The encapsulation of insoluble TMCs into polymeric nanoparticles to generate "polyzymes" has vastly expanded their applicability in biological environments by enhancing catalyst solubility and stability. However, commonly used precipitation approaches provide limited encapsulation efficiency in polyzyme fabrication and result in a low catalytic activity. Herein, we report the creation of polyzymes with increased catalyst loading and optimized turnover efficiency using flash nanoprecipitation (FNP). Polyzymes with controlled size and catalyst loading were fabricated by tuning the process conditions of FNP. The biological applicability of polyzymes was demonstrated by efficiently transforming a non-toxic prodrug into the active drug within cancer cells.
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Affiliation(s)
- Rui Huang
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, Massachusetts 01003, United States
| | - Cristina-Maria Hirschbiegel
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, Massachusetts 01003, United States
| | - Xianzhi Zhang
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, Massachusetts 01003, United States
| | - Aarohi Gupta
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, Massachusetts 01003, United States
| | - Stefano Fedeli
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, Massachusetts 01003, United States
| | - Yisheng Xu
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237 P. R. China
| | - Vincent M Rotello
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, Massachusetts 01003, United States
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84
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Fottner M, Heimgärtner J, Gantz M, Mühlhofer R, Nast-Kolb T, Lang K. Site-Specific Protein Labeling and Generation of Defined Ubiquitin-Protein Conjugates Using an Asparaginyl Endopeptidase. J Am Chem Soc 2022; 144:13118-13126. [PMID: 35850488 PMCID: PMC9335880 DOI: 10.1021/jacs.2c02191] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
![]()
Asparaginyl endopeptidases
(AEPs) have recently been widely utilized
for peptide and protein modification. Labeling is however restricted
to protein termini, severely limiting flexibility and scope in creating
diverse conjugates as needed for therapeutic and diagnostic applications.
Here, we use genetic code expansion to site-specifically modify target
proteins with an isopeptide-linked glycylglycine moiety that serves
as an acceptor nucleophile in AEP-mediated transpeptidation with various
probes containing a tripeptidic recognition motif. Our approach allows
simple and flexible labeling of recombinant proteins at any internal
site and leaves a minimal, entirely peptidic footprint (NGG) in the
conjugation product. We show site-specific labeling of diverse target
proteins with various biophysical probes, including dual labeling
at an internal site and the N-terminus. Furthermore, we harness AEP-mediated
transpeptidation for generation of ubiquitin- and ubiquitin-like-modifier
conjugates bearing a native isopeptide bond and only one point mutation
in the linker region.
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Affiliation(s)
- Maximilian Fottner
- Laboratory for Organic Chemistry (LOC), Department of Chemistry and Applied Biosciences (D-CHAB), ETH Zurich, Vladimir-Prelog-Weg 3, 8093 Zurich, Switzerland
| | - Johannes Heimgärtner
- Laboratory for Organic Chemistry (LOC), Department of Chemistry and Applied Biosciences (D-CHAB), ETH Zurich, Vladimir-Prelog-Weg 3, 8093 Zurich, Switzerland
| | - Maximilian Gantz
- Department of Chemistry, Technical University of Munich, Lichtenbergstr. 4, 85748 Garching, Germany
| | - Rahel Mühlhofer
- Department of Chemistry, Technical University of Munich, Lichtenbergstr. 4, 85748 Garching, Germany
| | - Timon Nast-Kolb
- Center for Protein Assemblies (CPA) and Lehrstuhl für Biophysik (E27), Physics Department, Technical University of Munich, Ernst-Otto-Fischer-Str. 8, 85748 Garching, Germany
| | - Kathrin Lang
- Laboratory for Organic Chemistry (LOC), Department of Chemistry and Applied Biosciences (D-CHAB), ETH Zurich, Vladimir-Prelog-Weg 3, 8093 Zurich, Switzerland.,Department of Chemistry, Technical University of Munich, Lichtenbergstr. 4, 85748 Garching, Germany
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85
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Matikonda SS, McLaughlin R, Shrestha P, Lipshultz C, Schnermann MJ. Structure-Activity Relationships of Antibody-Drug Conjugates: A Systematic Review of Chemistry on the Trastuzumab Scaffold. Bioconjug Chem 2022; 33:1241-1253. [PMID: 35801843 DOI: 10.1021/acs.bioconjchem.2c00177] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Antibody-drug conjugates (ADCs) are a rapidly growing class of cancer therapeutics that seek to overcome the low therapeutic index of conventional cytotoxic agents. However, realizing this goal has been a significant challenge. ADCs comprise several independently modifiable components, including the antibody, payload, linker, and bioconjugation method. Many approaches have been developed to improve the physical properties, potency, and selectivity of ADCs. The anti-HER-2 antibody trastuzumab, first approved in 1998, has emerged as an exceptional targeting agent for ADCs, as well as a broadly used platform for testing new technologies. The extensive work in this area enables the comparison of various linker strategies, payloads, drug-to-antibody ratios (DAR), and mode of attachment. In this review, these conjugates, ranging from the first clinically approved trastuzumab ADC, ado-trastuzumab emtansine (Kadcyla), to the latest variants are described with the goal of providing a broad overview, as well as enabling the comparison of existing and emerging conjugate technologies.
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Affiliation(s)
- Siddharth S Matikonda
- Chemical Biology Laboratory, NIH/NCI/CCR, 376 Boyles Street, Frederick, Maryland 21702, United States
| | - Ryan McLaughlin
- Chemical Biology Laboratory, NIH/NCI/CCR, 376 Boyles Street, Frederick, Maryland 21702, United States
| | - Pradeep Shrestha
- Chemical Biology Laboratory, NIH/NCI/CCR, 376 Boyles Street, Frederick, Maryland 21702, United States
| | - Carol Lipshultz
- Chemical Biology Laboratory, NIH/NCI/CCR, 376 Boyles Street, Frederick, Maryland 21702, United States
| | - Martin J Schnermann
- Chemical Biology Laboratory, NIH/NCI/CCR, 376 Boyles Street, Frederick, Maryland 21702, United States
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86
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Lau CYJ, Benne N, Lou B, Zharkova O, Ting HJ, Ter Braake D, van Kronenburg N, Fens MH, Broere F, Hennink WE, Wang JW, Mastrobattista E. Modulating albumin-mediated transport of peptide-drug conjugates for antigen-specific Treg induction. J Control Release 2022; 348:938-950. [PMID: 35732251 DOI: 10.1016/j.jconrel.2022.06.025] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 05/22/2022] [Accepted: 06/15/2022] [Indexed: 10/17/2022]
Abstract
The therapeutic potential of antigen-specific regulatory T cells (Treg) has been extensively explored, leading to the development of several tolerogenic vaccines. Dexamethasone-antigen conjugates represent a prominent class of tolerogenic vaccines that enable coordinated delivery of antigen and dexamethasone to target immune cells. The importance of nonspecific albumin association towards the biodistribution of antigen-adjuvant conjugates has gained increasing attention, by which hydrophobic and electrostatic interactions govern the association capacity. Using an ensemble of computational and experimental techniques, we evaluate the impact of charged residues adjacent to the drug conjugation site in dexamethasone-antigen conjugates (Dex-K/E4-OVA323, K: lysine, E: glutamate) towards their albumin association capacity and induction of antigen-specific Treg. We find that Dex-K4-OVA323 possesses a higher albumin association capacity than Dex-E4-OVA323, leading to enhanced liver distribution and antigen-presenting cell uptake. Furthermore, using an OVA323-specific adoptive-transfer mouse model, we show that Dex-K4-OVA323 selectively upregulated OVA323-specific Treg cells, whereas Dex-E4-OVA323 exerted no significant effect on Treg cells. Our findings serve as a guide to optimize the functionality of dexamethasone-antigen conjugate amid switching vaccine epitope sequences. Moreover, our study demonstrates that moderating the residues adjacent to the conjugation sites can serve as an engineering approach for future peptide-drug conjugate development.
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Affiliation(s)
- Chun Yin Jerry Lau
- Utrecht Institute for Pharmaceutical Sciences, Department of Pharmaceutics, Faculty of Science, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, the Netherlands
| | - Naomi Benne
- Department of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 1, 3584 CL Utrecht, the Netherlands
| | - Bo Lou
- Utrecht Institute for Pharmaceutical Sciences, Department of Pharmaceutics, Faculty of Science, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, the Netherlands; Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, 1E Kent Ridge Road, NUHS Tower Block, 119228 Singapore, Singapore
| | - Olga Zharkova
- Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, 1E Kent Ridge Road, NUHS Tower Block, 119228 Singapore, Singapore; Cardiovascular Research Institute, Yong Loo Lin School of Medicine, National University of Singapore, 14 Medical Drive, 117599, Singapore
| | - Hui Jun Ting
- Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, 1E Kent Ridge Road, NUHS Tower Block, 119228 Singapore, Singapore; Cardiovascular Research Institute, Yong Loo Lin School of Medicine, National University of Singapore, 14 Medical Drive, 117599, Singapore
| | - Daniëlle Ter Braake
- Department of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 1, 3584 CL Utrecht, the Netherlands
| | - Nicky van Kronenburg
- Utrecht Institute for Pharmaceutical Sciences, Department of Pharmaceutics, Faculty of Science, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, the Netherlands
| | - Marcel H Fens
- Utrecht Institute for Pharmaceutical Sciences, Department of Pharmaceutics, Faculty of Science, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, the Netherlands
| | - Femke Broere
- Department of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 1, 3584 CL Utrecht, the Netherlands
| | - Wim E Hennink
- Utrecht Institute for Pharmaceutical Sciences, Department of Pharmaceutics, Faculty of Science, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, the Netherlands
| | - Jiong-Wei Wang
- Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, 1E Kent Ridge Road, NUHS Tower Block, 119228 Singapore, Singapore; Cardiovascular Research Institute, Yong Loo Lin School of Medicine, National University of Singapore, 14 Medical Drive, 117599, Singapore; Department of Physiology, National University of Singapore, 2 Medical Drive, 117593 Singapore, Singapore; Nanomedicine Translational Research Programme, Centre for NanoMedicine, Yong Loo Lin School of Medicine, National University of Singapore, 30 Medical Drive, 117609 Singapore, Singapore.
| | - Enrico Mastrobattista
- Utrecht Institute for Pharmaceutical Sciences, Department of Pharmaceutics, Faculty of Science, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, the Netherlands.
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87
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Decoene KW, Unal K, Staes A, Zwaenepoel O, Gettemans J, Gevaert K, Winne JM, Madder A. Triazolinedione protein modification: from an overlooked off-target effect to a tryptophan-based bioconjugation strategy. Chem Sci 2022; 13:5390-5397. [PMID: 35655564 PMCID: PMC9093138 DOI: 10.1039/d1sc06942j] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Accepted: 03/14/2022] [Indexed: 12/30/2022] Open
Abstract
Labelling of tyrosine residues in peptides and proteins has been reported to selectively occur via a 'tyrosine-click' reaction with triazolinedione reagents (TAD). However, we here demonstrate that TAD reagents are actually not selective for tyrosine and that tryptophan residues are in fact also labelled with these reagents. This off-target labelling remained under the radar as it is challenging to detect these physiologically stable but thermally labile modifications with the commonly used HCD and CID MS/MS techniques. We show that selectivity of tryptophan over tyrosine can be achieved by lowering the pH of the aqueous buffer to effect selective Trp-labelling. Given the low relative abundance of tryptophan compared to tyrosine in natural proteins, this results in a new site-selective bioconjugation method that does not rely on enzymes nor unnatural amino acids and is demonstrated for peptides and recombinant proteins.
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Affiliation(s)
- Klaas W Decoene
- Department of Organic and Macromolecular Chemistry, Ghent University Krijgslaan 281 S4 9000 Ghent Belgium .,Department of Biomolecular Medicine, Ghent University Ghent Belgium.,VIB Center for Medical Biotechnology Technologiepark-Zwijnaarde 75 9052 Ghent Belgium
| | - Kamil Unal
- Department of Organic and Macromolecular Chemistry, Ghent University Krijgslaan 281 S4 9000 Ghent Belgium
| | - An Staes
- Department of Biomolecular Medicine, Ghent University Ghent Belgium.,VIB Center for Medical Biotechnology Technologiepark-Zwijnaarde 75 9052 Ghent Belgium.,VIB Core Facility, VIB Center for Medical Biotechnology Technologiepark-Zwijnaarde 75 9052 Ghent Belgium
| | | | - Jan Gettemans
- Department of Biomolecular Medicine, Ghent University Ghent Belgium
| | - Kris Gevaert
- Department of Biomolecular Medicine, Ghent University Ghent Belgium.,VIB Center for Medical Biotechnology Technologiepark-Zwijnaarde 75 9052 Ghent Belgium
| | - Johan M Winne
- Department of Organic and Macromolecular Chemistry, Ghent University Krijgslaan 281 S4 9000 Ghent Belgium
| | - Annemieke Madder
- Department of Organic and Macromolecular Chemistry, Ghent University Krijgslaan 281 S4 9000 Ghent Belgium
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88
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Abstract
Degrader-antibody conjugates (DACs) are novel entities that combine a proteolysis targeting chimera (PROTAC) payload with a monoclonal antibody via some type of chemical linker. This review provides a current summary of the DAC field. Many general aspects associated with the creation and biological performance of traditional cytotoxic antibody-drug conjugates (ADCs) are initially presented. These characteristics are subsequently compared and contrasted with related parameters that impact DAC generation and biological activity. Several examples of DACs assembled from both the scientific and the patent literature are utilized to highlight differing strategies for DAC creation, and specific challenges associated with DAC construction are documented. Collectively, the assembled examples demonstrate that biologically-active DACs can be successfully prepared using a variety of PROTAC payloads which employ diverse E3 ligases to degrade multiple protein targets.
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89
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Engineering Proteins Containing Noncanonical Amino Acids on the Yeast Surface. METHODS IN MOLECULAR BIOLOGY (CLIFTON, N.J.) 2022; 2491:491-559. [PMID: 35482204 DOI: 10.1007/978-1-0716-2285-8_23] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Yeast display has been used to advance many critical research areas, including the discovery of unique protein binders and biological therapeutics. In parallel, noncanonical amino acids (ncAAs) have been used to tailor antibody-drug conjugates and enable discovery of therapeutic leads. Together, these two technologies have allowed for generation of synthetic antibody libraries, where the introduction of ncAAs in yeast-displayed proteins allows for library screening for therapeutically relevant targets. The combination of yeast display with genetically encoded ncAAs increases the available chemistry in proteins and advances applications that require high-throughput strategies. In this chapter, we discuss methods for displaying proteins containing ncAAs on the yeast surface, generating and screening libraries of proteins containing ncAAs, preparing bioconjugates on the yeast surface in large scale, generating and screening libraries of aminoacyl-tRNA synthetases (aaRSs) for encoding ncAAs by using reporter constructs, and characterizing ncAA-containing proteins secreted from yeast. The experimental designs laid out in this chapter are generalizable for discovery of protein binders to a variety of targets and aaRS evolution to continue expanding the genetic code beyond what is currently available in yeast.
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90
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Debnath U, Verma S, Patra J, Mandal SK. A review on recent synthetic routes and computational approaches for antibody drug conjugation developments used in anti-cancer therapy. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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91
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Thapaliya ER, Usama SM, Patel NL, Feng Y, Kalen JD, St Croix B, Schnermann MJ. Cyanine Masking: A Strategy to Test Functional Group Effects on Antibody Conjugate Targeting. Bioconjug Chem 2022; 33:718-725. [PMID: 35389618 PMCID: PMC10506421 DOI: 10.1021/acs.bioconjchem.2c00083] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Conjugates of small molecules and antibodies are broadly employed diagnostic and therapeutic agents. Appending a small molecule to an antibody often significantly impacts the properties of the resulting conjugate. Here, we detail a systematic study investigating the effect of various functional groups on the properties of antibody-fluorophore conjugates. This was done through the preparation and analysis of a series of masked heptamethine cyanines (CyMasks)-bearing amides with varied functional groups. These were designed to exhibit a broad range of physical properties, and include hydrophobic (-NMe2), pegylated (NH-PEG-8 or NH-PEG-24), cationic (NH-(CH2)2NMe3+), anionic (NH-(CH2)2SO3-), and zwitterionic (N-(CH2)2NMe3+)-(CH2)3SO3-) variants. The CyMask series was appended to monoclonal antibodies (mAbs) and analyzed for the effects on tumor targeting, clearance, and non-specific organ uptake. Among the series, zwitterionic and pegylated dye conjugates had the highest tumor-to-background ratio (TBR) and a low liver-to-background ratio. By contrast, the cationic and zwitterionic probes had high tumor signal and high TBR, although the latter also exhibited an elevated liver-to-background ratio (LBR). Overall, these studies provide a strategy to test the functional group effects and suggest that zwitterionic substituents possess an optimal combination of high tumor signal, TBR, and low LBR. These results suggest an appealing strategy to mask hydrophobic payloads, with the potential to improve the properties of bioconjugates in vivo.
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Affiliation(s)
- Ek Raj Thapaliya
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702, United States
| | - Syed Muhammad Usama
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702, United States
| | - Nimit L Patel
- Small Animal Imaging Program, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research Inc., Frederick, Maryland 21702, United States
| | - Yang Feng
- Tumor Angiogenesis Unit, Mouse Cancer Genetics Program (MCGP), National Cancer Institute, NIH, Frederick, Maryland 21702, United States
| | - Joseph D Kalen
- Small Animal Imaging Program, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research Inc., Frederick, Maryland 21702, United States
| | - Brad St Croix
- Tumor Angiogenesis Unit, Mouse Cancer Genetics Program (MCGP), National Cancer Institute, NIH, Frederick, Maryland 21702, United States
| | - Martin J Schnermann
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702, United States
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92
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Ghosh S, Huda P, Fletcher NL, Howard CB, Walsh B, Campbell D, Pinkham MB, Thurecht KJ. Antibody-Based Formats to Target Glioblastoma: Overcoming Barriers to Protein Drug Delivery. Mol Pharm 2022; 19:1233-1247. [PMID: 35438509 DOI: 10.1021/acs.molpharmaceut.1c00996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Glioblastoma (GB) is recognized as the most aggressive form of primary brain cancer. Despite advances in treatment strategies that include surgery, radiation, and chemotherapy, the median survival time (∼15 months) of patients with GB has not significantly improved. The poor prognosis of GB is also associated with a very high chance of tumor recurrence (∼90%), and current treatment measures have failed to address the complications associated with this disease. However, targeted therapies enabled through antibody engineering have shown promise in countering GB when used in combination with conventional approaches. Here, we discuss the challenges in conventional as well as future GB therapeutics and highlight some of the known advantages of using targeted biologics to overcome these impediments. We also review a broad range of potential alternative routes that could be used clinically to administer anti-GB biologics to the brain through evasion of its natural barriers.
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Affiliation(s)
- Saikat Ghosh
- Centre for Advanced Imaging (CAI), Australian Institute for Bioengineering and Nanotechnology (AIBN) and ARC Training Centre for Innovation in Biomedical Imaging Technology, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Pie Huda
- Centre for Advanced Imaging (CAI), Australian Institute for Bioengineering and Nanotechnology (AIBN) and ARC Training Centre for Innovation in Biomedical Imaging Technology, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Nicholas L Fletcher
- Centre for Advanced Imaging (CAI), Australian Institute for Bioengineering and Nanotechnology (AIBN) and ARC Training Centre for Innovation in Biomedical Imaging Technology, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Christopher B Howard
- Centre for Advanced Imaging (CAI), Australian Institute for Bioengineering and Nanotechnology (AIBN) and ARC Training Centre for Innovation in Biomedical Imaging Technology, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Bradley Walsh
- GlyTherix, Ltd., Sydney, New South Wales 2113, Australia
| | | | - Mark B Pinkham
- Department of Radiation Oncology, Princess Alexandra Hospital, Woolloongabba, Queensland 4102, Australia
| | - Kristofer J Thurecht
- Centre for Advanced Imaging (CAI), Australian Institute for Bioengineering and Nanotechnology (AIBN) and ARC Training Centre for Innovation in Biomedical Imaging Technology, The University of Queensland, Brisbane, Queensland 4072, Australia
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93
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Collyer SE, Stack GD, Walsh JJ. Selective delivery of clinically approved tubulin binding agents through covalent conjugation to an active targeting moiety. Curr Med Chem 2022; 29:5179-5211. [DOI: 10.2174/0929867329666220401105929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2021] [Revised: 01/19/2022] [Accepted: 01/24/2022] [Indexed: 11/22/2022]
Abstract
Abstract:
The efficacy and tolerability of tubulin binding agents are hampered by their low specificity for cancer cells, like most clinically used anticancer agents. To improve specificity, tubulin binding agents have been covalently conjugated to agents which target cancer cells to give actively targeted drug conjugates. These conjugates are designed to increase uptake of the drug by cancer cells, while having limited uptake by normal cells thereby improving efficacy and tolerability.
Approaches used include attachment to small molecules, polysaccharides, peptides, proteins and antibodies that exploit the overexpression of receptors for these substances. Antibody targeted strategies have been the most successful to date with six such examples having gained clinical approval. Many other conjugate types, especially those targeting the folate receptor, have shown promising efficacy and toxicity profiles in pre-clinical models and in early-stage clinical studies. Presented herein is a discussion of the success or otherwise of the recent strategies used to form these actively targeted conjugates.
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Affiliation(s)
- Samuel E. Collyer
- School of Pharmacy and Pharmaceutical Sciences, Trinity College Dublin, Dublin, Ireland
| | - Gary D. Stack
- Department of Nursing and Healthcare, Technological University of the Shannon: Midlands Midwest, Athlone, Ireland
| | - John J. Walsh
- School of Pharmacy and Pharmaceutical Sciences, Trinity College Dublin, Dublin, Ireland
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94
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Earley D, Guillou A, Klingler S, Fay R, Gut M, d’Orchymont F, Behmaneshfar S, Reichert L, Holland JP. Charting the Chemical and Mechanistic Scope of Light-Triggered Protein Ligation. JACS AU 2022; 2:646-664. [PMID: 35373206 PMCID: PMC8970001 DOI: 10.1021/jacsau.1c00530] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Indexed: 05/04/2023]
Abstract
The creation of discrete, covalent bonds between a protein and a functional molecule like a drug, fluorophore, or radiolabeled complex is essential for making state-of-the-art tools that find applications in basic science and clinical medicine. Photochemistry offers a unique set of reactive groups that hold potential for the synthesis of protein conjugates. Previous studies have demonstrated that photoactivatable desferrioxamine B (DFO) derivatives featuring a para-substituted aryl azide (ArN3) can be used to produce viable zirconium-89-radiolabeled monoclonal antibodies (89Zr-mAbs) for applications in noninvasive diagnostic positron emission tomography (PET) imaging of cancers. Here, we report on the synthesis, 89Zr-radiochemistry, and light-triggered photoradiosynthesis of 89Zr-labeled human serum albumin (HSA) using a series of 14 different photoactivatable DFO derivatives. The photoactive groups explore a range of substituted, and isomeric ArN3 reagents, as well as derivatives of benzophenone, a para-substituted trifluoromethyl phenyl diazirine, and a tetrazole species. For the compounds studied, efficient photochemical activation occurs inside the UVA-to-visible region of the electromagnetic spectrum (∼365-450 nm) and the photochemical reactions with HSA in water were complete within 15 min under ambient conditions. Under standardized experimental conditions, photoradiosynthesis with compounds 1-14 produced the corresponding 89ZrDFO-PEG3-HSA conjugates with decay-corrected isolated radiochemical yields between 18.1 ± 1.8% and 62.3 ± 3.6%. Extensive density functional theory (DFT) calculations were used to explore the reaction mechanisms and chemoselectivity of the light-induced bimolecular conjugation of compounds 1-14 to protein. The photoactivatable DFO-derivatives operate by at least five distinct mechanisms, each producing a different type of bioconjugate bond. Overall, the experimental and computational work presented here confirms that photochemistry is a viable option for making diverse, functionalized protein conjugates.
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95
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Lee T, Kim JH, Kwon SJ, Seo JW, Park SH, Kim J, Jin J, Hong JH, Kang HJ, Sharma C, Choi JH, Chung SJ. Site-Selective Antibody-Drug Conjugation by a Proximity-Driven S to N Acyl Transfer Reaction on a Therapeutic Antibody. J Med Chem 2022; 65:5751-5759. [PMID: 35319890 DOI: 10.1021/acs.jmedchem.2c00084] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Immunoglobulin Gs (IgGs) contain many Lys and Cys residues, which results in an unwanted complex product mixture with conventional drug conjugation methods. We selectively acylated the ε-NH2 of K248 on trastuzumab using an IgG Fc-binding peptide (FcBP) equipped with a 5-norbornene-2-carboxylic acid thioester (AbClick-1). AbClick-1 locates its thioester close to the ε-NH2 of K248 while binding to trastuzumab. Consequently, the thioester underwent proximity-driven selective acylation of ε-NH2 through an S to N acyl transfer reaction. Furthermore, N-tert-butyl maleimide accelerated the cross-linking reaction with an approximately 95% yield of the desired product by scavenging the byproduct (FcBP-SH). Only K248 was modified selectively with the 5-norbornene-2-carbonyl group, which was further modified by click reaction to afford an antibody-drug conjugate (ADC) with two drugs per antibody. The resulting ADCs showed remarkable in vitro and in vivo anticancer activity. Our results demonstrate that a thioester is a promising chemical entity for proximity-driven site-selective conjugation of antibodies.
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Affiliation(s)
- TaeJin Lee
- School of Pharmacy, Sungkyunkwan University, 2066 Seoburo, Jangangu, Suwon 16419, Republic of Korea.,AbTis Company Ltd., A-815, Suwon Venture Valley II, 142-10, Saneop-ro156beon-gil, Gwonseon-gu, Suwon, Gyeonggi-do 16648, Republic of Korea
| | - Ju Hwan Kim
- AbTis Company Ltd., A-815, Suwon Venture Valley II, 142-10, Saneop-ro156beon-gil, Gwonseon-gu, Suwon, Gyeonggi-do 16648, Republic of Korea
| | - Se Jeong Kwon
- School of Pharmacy, Sungkyunkwan University, 2066 Seoburo, Jangangu, Suwon 16419, Republic of Korea.,AbTis Company Ltd., A-815, Suwon Venture Valley II, 142-10, Saneop-ro156beon-gil, Gwonseon-gu, Suwon, Gyeonggi-do 16648, Republic of Korea
| | - Jin Woo Seo
- School of Pharmacy, Sungkyunkwan University, 2066 Seoburo, Jangangu, Suwon 16419, Republic of Korea.,AbTis Company Ltd., A-815, Suwon Venture Valley II, 142-10, Saneop-ro156beon-gil, Gwonseon-gu, Suwon, Gyeonggi-do 16648, Republic of Korea
| | - Sun Hee Park
- School of Pharmacy, Sungkyunkwan University, 2066 Seoburo, Jangangu, Suwon 16419, Republic of Korea.,AbTis Company Ltd., A-815, Suwon Venture Valley II, 142-10, Saneop-ro156beon-gil, Gwonseon-gu, Suwon, Gyeonggi-do 16648, Republic of Korea
| | - Jinyoung Kim
- Biocenter, Gyeonggido Business and Science Accelerator, Suwon 16229, Republic of Korea
| | - Jonghwa Jin
- Department of Convergence Technical Support, New Drug Development Center, 123 Osongsaengmyeng-ro, Cheongju, Chungbuk 28160, Republic of Korea
| | - Ji Hye Hong
- Department of Convergence Technical Support, New Drug Development Center, 123 Osongsaengmyeng-ro, Cheongju, Chungbuk 28160, Republic of Korea
| | - Hyo Jin Kang
- AbTis Company Ltd., A-815, Suwon Venture Valley II, 142-10, Saneop-ro156beon-gil, Gwonseon-gu, Suwon, Gyeonggi-do 16648, Republic of Korea
| | - Chiranjeev Sharma
- Department of Biopharmaceutical Convergence, Graduate School, Sungkyunkwan University, 2066 Seoburo, Jangangu, Suwon 16419, Republic of Korea
| | - Ji Hoon Choi
- School of Pharmacy, Sungkyunkwan University, 2066 Seoburo, Jangangu, Suwon 16419, Republic of Korea
| | - Sang J Chung
- School of Pharmacy, Sungkyunkwan University, 2066 Seoburo, Jangangu, Suwon 16419, Republic of Korea.,AbTis Company Ltd., A-815, Suwon Venture Valley II, 142-10, Saneop-ro156beon-gil, Gwonseon-gu, Suwon, Gyeonggi-do 16648, Republic of Korea.,Department of Biopharmaceutical Convergence, Graduate School, Sungkyunkwan University, 2066 Seoburo, Jangangu, Suwon 16419, Republic of Korea
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96
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Fu Z, Li S, Han S, Shi C, Zhang Y. Antibody drug conjugate: the "biological missile" for targeted cancer therapy. Signal Transduct Target Ther 2022; 7:93. [PMID: 35318309 PMCID: PMC8941077 DOI: 10.1038/s41392-022-00947-7] [Citation(s) in RCA: 414] [Impact Index Per Article: 207.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 02/26/2022] [Accepted: 03/03/2022] [Indexed: 02/08/2023] Open
Abstract
Antibody–drug conjugate (ADC) is typically composed of a monoclonal antibody (mAbs) covalently attached to a cytotoxic drug via a chemical linker. It combines both the advantages of highly specific targeting ability and highly potent killing effect to achieve accurate and efficient elimination of cancer cells, which has become one of the hotspots for the research and development of anticancer drugs. Since the first ADC, Mylotarg® (gemtuzumab ozogamicin), was approved in 2000 by the US Food and Drug Administration (FDA), there have been 14 ADCs received market approval so far worldwide. Moreover, over 100 ADC candidates have been investigated in clinical stages at present. This kind of new anti-cancer drugs, known as “biological missiles”, is leading a new era of targeted cancer therapy. Herein, we conducted a review of the history and general mechanism of action of ADCs, and then briefly discussed the molecular aspects of key components of ADCs and the mechanisms by which these key factors influence the activities of ADCs. Moreover, we also reviewed the approved ADCs and other promising candidates in phase-3 clinical trials and discuss the current challenges and future perspectives for the development of next generations, which provide insights for the research and development of novel cancer therapeutics using ADCs.
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Affiliation(s)
- Zhiwen Fu
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People's Republic of China.,Hubei Province Clinical Research Center for Precision Medicine for Critical Illness, Wuhan, 430022, People's Republic of China
| | - Shijun Li
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People's Republic of China.,Hubei Province Clinical Research Center for Precision Medicine for Critical Illness, Wuhan, 430022, People's Republic of China
| | - Sifei Han
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, (Parkville Campus) 381 Royal Parade,, Parkville, VIC, 3052, Australia.,Faculty of Pharmacy, China Pharmaceutical University, 639 Longmian Avenue, Jiangning District, Nanjing, 211198, People's Republic of China
| | - Chen Shi
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People's Republic of China. .,Hubei Province Clinical Research Center for Precision Medicine for Critical Illness, Wuhan, 430022, People's Republic of China.
| | - Yu Zhang
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People's Republic of China. .,Hubei Province Clinical Research Center for Precision Medicine for Critical Illness, Wuhan, 430022, People's Republic of China.
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97
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Su FY, Zhao QH, Dahotre SN, Gamboa L, Bawage SS, Silva Trenkle AD, Zamat A, Phuengkham H, Ahmed R, Santangelo PJ, Kwong GA. In vivo mRNA delivery to virus-specific T cells by light-induced ligand exchange of MHC class I antigen-presenting nanoparticles. SCIENCE ADVANCES 2022; 8:eabm7950. [PMID: 35196075 PMCID: PMC8865765 DOI: 10.1126/sciadv.abm7950] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 01/25/2022] [Indexed: 05/06/2023]
Abstract
Simultaneous delivery of mRNA to multiple populations of antigen (Ag)-specific CD8+ T cells is challenging given the diversity of peptide epitopes and polymorphism of class I major histocompatibility complexes (MHCI). We developed Ag-presenting nanoparticles (APNs) for mRNA delivery using pMHCI molecules that were refolded with photocleavable peptides to allow rapid ligand exchange by UV light and site-specifically conjugated with a lipid tail for postinsertion into preformed mRNA lipid nanoparticles. Across different TCR transgenic mouse models (P14, OT-1, and Pmel), UV-exchanged APNs bound and transfected their cognate Ag-specific CD8+ T cells equivalent to APNs produced using conventionally refolded pMHCI molecules. In mice infected with PR8 influenza, multiplexed delivery of UV-exchanged APNs against three immunodominant epitopes led to ~50% transfection of a VHH mRNA reporter in cognate Ag-specific CD8+ T cells. Our data show that UV-mediated peptide exchange can be used to rapidly produce APNs for mRNA delivery to multiple populations of Ag-specific T cells in vivo.
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Affiliation(s)
- Fang-Yi Su
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA
| | - Qingyang Henry Zhao
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA
| | - Shreyas N. Dahotre
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA
| | - Lena Gamboa
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA
| | - Swapnil Subhash Bawage
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA
| | - Aaron D. Silva Trenkle
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA
| | - Ali Zamat
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA
| | - Hathaichanok Phuengkham
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA
| | - Rafi Ahmed
- Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA 30317, USA
- Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, GA 30322, USA
- Winship Cancer Institute of Emory University, Atlanta, GA 30322, USA
| | - Philip J. Santangelo
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA
| | - Gabriel A. Kwong
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA
- Winship Cancer Institute of Emory University, Atlanta, GA 30322, USA
- Institute for Electronics and Nanotechnology, Georgia Institute of Technology, Atlanta, GA 30332, USA
- Parker H. Petit Institute of Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA 30332, USA
- Integrated Cancer Research Center, Georgia Institute of Technology, Atlanta, GA 30332, USA
- Georgia ImmunoEngineering Consortium, Emory University and Georgia Institute of Technology, Atlanta, GA 30332, USA
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98
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Antibody-Drug Conjugates in Urothelial Carcinoma: A New Therapeutic Opportunity Moves from Bench to Bedside. Cells 2022; 11:cells11050803. [PMID: 35269424 PMCID: PMC8909578 DOI: 10.3390/cells11050803] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Revised: 02/22/2022] [Accepted: 02/23/2022] [Indexed: 12/13/2022] Open
Abstract
Significant progress has been achieved over the last decades in understanding the biology and mechanisms of tumor progression in urothelial carcinoma (UC). Although the therapeutic landscape has dramatically changed in recent years with the introduction of immune checkpoint inhibitors, advanced UC is still associated with rapidly progressing disease and poor survival. The increasing knowledge of the pathogenesis and molecular pathways underlying cancer development and progression is leading the introduction of target therapies, such as the recently approved FGFR inhibitor Erdafitinib, or the anti-nectin 4 antibody drug-conjugate Enfortumab vedotin. Antibody drug conjugates represent an innovative therapeutic approach that allows the combination of a tar get-specific monoclonal antibody covalently conjugated via a linker to a cytotoxic agent (payload). UC is a perfect candidate for this therapeutic approach since it is particularly enriched in antigen expression on its surface and each specific antigen can represent a potential therapeutic target. In this review we summarize the mechanism of action of ADCs, their applications in localized and metastatic UC, the main mechanisms of resistance, and future perspectives for their use in clinical practice.
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99
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Walsh SJ, Omarjee S, Dannheim FM, Couturier DL, Bexheti D, Mendil L, Cronshaw G, Fewster T, Gregg C, Brodie C, Miller JL, Houghton R, Carroll JS, Spring DR. Divinylpyrimidine reagents generate antibody-drug conjugates with excellent in vivo efficacy and tolerability. Chem Commun (Camb) 2022; 58:1962-1965. [PMID: 35044383 PMCID: PMC9073851 DOI: 10.1039/d1cc06766d] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 01/07/2022] [Indexed: 12/20/2022]
Abstract
The development of divinylpyrimidine (DVP) reagents for the synthesis of antibody-drug conjugates (ADCs) with in vivo efficacy and tolerability is reported. Detailed structural characterisation of the synthesised ADCs was first conducted followed by in vitro and in vivo evaluation of the ADCs' ability to safely and selectively eradicate target-positive tumours.
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Affiliation(s)
- Stephen J Walsh
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK.
- Cancer Research UK Cambridge Institute, University of Cambridge, Robinson Way, Cambridge, CB2 0RE, UK.
| | - Soleilmane Omarjee
- Cancer Research UK Cambridge Institute, University of Cambridge, Robinson Way, Cambridge, CB2 0RE, UK.
| | - Friederike M Dannheim
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK.
| | - Dominique-Laurent Couturier
- Cancer Research UK Cambridge Institute, University of Cambridge, Robinson Way, Cambridge, CB2 0RE, UK.
- MRC Biostatistics Unit, University of Cambridge, UK
| | - Dorentina Bexheti
- Cancer Research UK Cambridge Institute, University of Cambridge, Robinson Way, Cambridge, CB2 0RE, UK.
| | - Lee Mendil
- Cancer Research UK Cambridge Institute, University of Cambridge, Robinson Way, Cambridge, CB2 0RE, UK.
| | - Gemma Cronshaw
- Cancer Research UK Cambridge Institute, University of Cambridge, Robinson Way, Cambridge, CB2 0RE, UK.
| | - Toby Fewster
- Cancer Research UK Cambridge Institute, University of Cambridge, Robinson Way, Cambridge, CB2 0RE, UK.
| | - Charlotte Gregg
- Cancer Research UK Cambridge Institute, University of Cambridge, Robinson Way, Cambridge, CB2 0RE, UK.
| | - Cara Brodie
- Cancer Research UK Cambridge Institute, University of Cambridge, Robinson Way, Cambridge, CB2 0RE, UK.
| | - Jodi L Miller
- Cancer Research UK Cambridge Institute, University of Cambridge, Robinson Way, Cambridge, CB2 0RE, UK.
| | - Richard Houghton
- Cancer Research UK Cambridge Institute, University of Cambridge, Robinson Way, Cambridge, CB2 0RE, UK.
| | - Jason S Carroll
- Cancer Research UK Cambridge Institute, University of Cambridge, Robinson Way, Cambridge, CB2 0RE, UK.
| | - David R Spring
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK.
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100
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Juen L, Baltus CB, Gély C, Kervarrec T, Feuillâtre O, Desgranges A, Viaud-Massuard MC, Martin C. Therapeutic Potential of MF-TTZ-MMAE, a Site-Specifically Conjugated Antibody-Drug Conjugate, for the Treatment of HER2-Overexpressing Breast Cancer. Bioconjug Chem 2022; 33:418-426. [PMID: 35104102 DOI: 10.1021/acs.bioconjchem.2c00015] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
With three clinically approved antibody-drug conjugates targeting HER2, this target is clearly identified to be of interest in oncology. Moreover, the advent of new bioconjugation technologies producing site-specific homogenous conjugates led to the opportunity of developing new medicines linking antibodies and payloads. Here, a new relevant HER2-targeting ADC was obtained by the conjugation of monomethyl auristatin E onto trastuzumab using McSAF Inside bioconjugation technology. The antibody-drug conjugate formed presented an average drug-to-antibody ratio of 4 with a high homogeneity and an excellent stability especially when incubated with human serum albumin or in human plasma. Moreover, it demonstrated a strong efficacy in an HER2 xenograft tumor model in mice, superior to the clinically approved antibody-drug conjugate ado-trastuzumab emtansine, with a complete tumor regression observed both macroscopically and microscopically demonstrating its therapeutic potential.
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Affiliation(s)
| | | | | | - Thibault Kervarrec
- Department of Pathology, University of Tours, BIP INRA UMR1282 ISP, CHU de Tours, avenue de la République, 37170 Chambray-lès-tours, France
| | | | | | - Marie-Claude Viaud-Massuard
- McSAF, 1 rue Claude Thion, 37000 Tours, France.,IMT, GICC EA7501 University of Tours, 31 avenue Monge, 37200 Tours, France
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