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Chauhan P, V R, Kumar M, Molla R, Mishra SD, Basa S, Rai V. Chemical technology principles for selective bioconjugation of proteins and antibodies. Chem Soc Rev 2024; 53:380-449. [PMID: 38095227 DOI: 10.1039/d3cs00715d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Proteins are multifunctional large organic compounds that constitute an essential component of a living system. Hence, control over their bioconjugation impacts science at the chemistry-biology-medicine interface. A chemical toolbox for their precision engineering can boost healthcare and open a gateway for directed or precision therapeutics. Such a chemical toolbox remained elusive for a long time due to the complexity presented by the large pool of functional groups. The precise single-site modification of a protein requires a method to address a combination of selectivity attributes. This review focuses on guiding principles that can segregate them to simplify the task for a chemical method. Such a disintegration systematically employs a multi-step chemical transformation to deconvolute the selectivity challenges. It constitutes a disintegrate (DIN) theory that offers additional control parameters for tuning precision in protein bioconjugation. This review outlines the selectivity hurdles faced by chemical methods. It elaborates on the developments in the perspective of DIN theory to demonstrate simultaneous regulation of reactivity, chemoselectivity, site-selectivity, modularity, residue specificity, and protein specificity. It discusses the progress of such methods to construct protein and antibody conjugates for biologics, including antibody-fluorophore and antibody-drug conjugates (AFCs and ADCs). It also briefs how this knowledge can assist in developing small molecule-based covalent inhibitors. In the process, it highlights an opportunity for hypothesis-driven routes to accelerate discoveries of selective methods and establish new targetome in the precision engineering of proteins and antibodies.
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Affiliation(s)
- Preeti Chauhan
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, 462 066, India.
| | - Ragendu V
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, 462 066, India.
| | - Mohan Kumar
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, 462 066, India.
| | - Rajib Molla
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, 462 066, India.
| | - Surya Dev Mishra
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, 462 066, India.
| | - Sneha Basa
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, 462 066, India.
| | - Vishal Rai
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, 462 066, India.
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Zhao Z, Huang Y, Wang J, Lin H, Cao F, Li S, Li Y, Li Z, Liu X. A self-assembling CXCR4-targeted pyroptosis nanotoxin for melanoma therapy. Biomater Sci 2023; 11:2200-2210. [PMID: 36745434 DOI: 10.1039/d2bm02026b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
While immunotherapy has emerged as a promising strategy to treat melanoma, the limited availability of immunotherapeutic agents in tumors due to the immunosuppressive tumor microenvironment dampens its efficacy. Pyroptosis is a gasdermin-mediated programmed necrosis that triggers the inflammatory tumor microenvironment and enhances the efficacy of tumor immunotherapy. Here, we prove that the CXCR4 antagonist T22 peptide specially targeted and became internalized into CXCR4+ melanoma cells. Then we report a self-assembling nanotoxin that can be used to spatiotemporally target CXCR4-expression melanoma cells and enable tunable cellular pyroptosis. Specific activation of caspase 3 signal transduction triggers gasdermin-E-mediated pyroptosis. This nanotoxin induces pyroptotic cell death resulting in enhanced antitumor efficacy and minimized systemic side effects toward melanoma in vivo. This study offers new insights into how to engineer nanotoxins with tunable pyroptosis activity through specifically targeting CXCR4 for biomedical applications.
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Affiliation(s)
- Zheng Zhao
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou 510060, P. R. China.
| | - Yingbin Huang
- Organ Transplantation Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China
| | - Jing Wang
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou 510060, P. R. China.
| | - Hongsheng Lin
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou 510060, P. R. China.
| | - Fei Cao
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou 510060, P. R. China.
| | - Shuxin Li
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou 510060, P. R. China.
| | - Yin Li
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou 510060, P. R. China.
| | - Ziqian Li
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou 510060, P. R. China.
| | - Xuekui Liu
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou 510060, P. R. China.
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Efremenko E, Aslanli A, Lyagin I. Advanced Situation with Recombinant Toxins: Diversity, Production and Application Purposes. Int J Mol Sci 2023; 24:ijms24054630. [PMID: 36902061 PMCID: PMC10003545 DOI: 10.3390/ijms24054630] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 02/14/2023] [Accepted: 02/20/2023] [Indexed: 03/04/2023] Open
Abstract
Today, the production and use of various samples of recombinant protein/polypeptide toxins is known and is actively developing. This review presents state-of-the-art in research and development of such toxins and their mechanisms of action and useful properties that have allowed them to be implemented into practice to treat various medical conditions (including oncology and chronic inflammation applications) and diseases, as well as to identify novel compounds and to detoxify them by diverse approaches (including enzyme antidotes). Special attention is given to the problems and possibilities of the toxicity control of the obtained recombinant proteins. The recombinant prions are discussed in the frame of their possible detoxification by enzymes. The review discusses the feasibility of obtaining recombinant variants of toxins in the form of protein molecules modified with fluorescent proteins, affine sequences and genetic mutations, allowing us to investigate the mechanisms of toxins' bindings to their natural receptors.
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Affiliation(s)
- Elena Efremenko
- Correspondence: ; Tel.: +7-(495)-939-3170; Fax: +7-(495)-939-5417
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Taylor RJ, Geeson MB, Journeaux T, Bernardes GJL. Chemical and Enzymatic Methods for Post-Translational Protein-Protein Conjugation. J Am Chem Soc 2022; 144:14404-14419. [PMID: 35912579 PMCID: PMC9389620 DOI: 10.1021/jacs.2c00129] [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] [Indexed: 11/28/2022]
Abstract
Fusion proteins play an essential role in the biosciences but suffer from several key limitations, including the requirement for N-to-C terminal ligation, incompatibility of constituent domains, incorrect folding, and loss of biological activity. This perspective focuses on chemical and enzymatic approaches for the post-translational generation of well-defined protein-protein conjugates, which overcome some of the limitations faced by traditional fusion techniques. Methods discussed range from chemical modification of nucleophilic canonical amino acid residues to incorporation of unnatural amino acid residues and a range of enzymatic methods, including sortase-mediated ligation. Through summarizing the progress in this rapidly growing field, the key successes and challenges associated with using chemical and enzymatic approaches are highlighted and areas requiring further development are discussed.
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Affiliation(s)
- Ross J Taylor
- Department of Chemistry, University of Cambridge, Lensfield Road, CB2 1EW Cambridge, U.K
| | - Michael B Geeson
- Department of Chemistry, University of Cambridge, Lensfield Road, CB2 1EW Cambridge, U.K
| | - Toby Journeaux
- Department of Chemistry, University of Cambridge, Lensfield Road, CB2 1EW Cambridge, U.K
| | - Gonçalo J L Bernardes
- Department of Chemistry, University of Cambridge, Lensfield Road, CB2 1EW Cambridge, U.K.,Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Avenida Professor Egas Moniz, 1649-028, Lisboa, Portugal
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Apley KD, Laflin AD, Johnson SN, Batrash N, Griffin JD, Berkland CJ, DeKosky BJ. Optimized Production of Fc Fusion Proteins by Sortase Enzymatic Ligation. Ind Eng Chem Res 2021; 60:16839-16853. [PMID: 38646185 PMCID: PMC11031256 DOI: 10.1021/acs.iecr.1c02842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Fc fusions are a growing class of drugs comprising an antibody Fc domain covalently linked to a protein or peptide and can pose manufacturing challenges. In this study we evaluated three synthetic approaches to generate Fc fusions, using Fc-insulin as a model drug candidate. Engineered human IgG1 was digested with HRV3C to produce an Fc fragment with a C-terminal sortase tag (Fc-LPETGGH6). The synthesis of Fc-insulin2 from Fc-LPETGGH6 was evaluated with direct sortase-mediated ligation (SML) and two chemoenzymatic strategies. Direct SML was performed with triglycine-insulin, and chemoenzymatic strategies used to SML fuse either triglycine-azide or triglycine-DBCO prior to linking insulin with copper-catalyzed or strain-promoted azidealkyne cycloaddition. Reaction conditions were optimized by evaluating reagent concentrations, relative equivalents, temperature, and time. Direct SML provided the most effective reaction yields, converting 60-70% of Fc-LPETGGH6 to Fc-insulin2, whereas our optimized chemoenzymatic synthesis converted 30-40% of Fc-LPETGGH6 to Fc-insulin2. Here we show that SML is a practical and efficient method to synthesize Fc fusions and provide an optimized pathway for fusion drug synthesis.
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Affiliation(s)
- Kyle D Apley
- Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, Kansas 66045, United States
| | - Amy D Laflin
- Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, Kansas 66045, United States
| | - Stephanie N Johnson
- Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, Kansas 66045, United States
| | - Noora Batrash
- Department of Chemical and Petroleum Engineering, University of Kansas, Lawrence, Kansas 66045, United States
| | - J Daniel Griffin
- Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, Kansas 66045, United States
| | - Cory J Berkland
- Department of Pharmaceutical Chemistry, Department of Chemical and Petroleum Engineering, and Bioengineering Graduate Program, University of Kansas, Lawrence, Kansas 66045, United States
| | - Brandon J DeKosky
- Department of Pharmaceutical Chemistry, Department of Chemical and Petroleum Engineering, and Bioengineering Graduate Program, University of Kansas, Lawrence, Kansas 66045, United States; Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02142, United States; The Ragon Institute of MGH, MIT, and Harvard, Cambridge, Massachusetts 02139, United States
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Hironaka K, Yoshihara E, Nabil A, Lai JJ, Kikuchi A, Ebara M. Conjugation of antibody with temperature-responsive polymer via in situ click reaction to enable biomarker enrichment for increased diagnostic sensitivity. Biomater Sci 2021; 9:4870-4879. [PMID: 33904566 DOI: 10.1039/d1bm00349f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Early diagnosis of infectious diseases is one of the current prevalent challenges, especially in low and limited resource settings where simple, fast, portable, cheap, and sensitive diagnostic approaches are needed. Lateral flow immunoassay (LFIA) is a common, rapid screening assay. However, the low assay sensitivity limits the utility of LFIA for specimens with low pathogenic loads (early infection stages). Antibodies conjugated with stimulus-responsive polymers have been previously utilized to improve assay sensitivity for detection of biomarkers at low concentrations. However, the loss of antibody affinity after polymer conjugation remains a significant challenge. In this study, we developed poly(N-isopropylacrylamide-co-N-(2-hydroxyisopropyl)acrylamide-co-strained alkyne-isopropylacrylamide), a novel polymer for biomarker enrichment, by polymer conjugation after antibody-antigen recognition. We employed and promoted the click chemistry in situ, to facilitate highly specific conjugation between novel temperature-responsive polymers and antibody-antigen complexes. This method could suppress the decrease in the binding constant associated with polymer conjugation (>20-fold). The conjugation was successfully demonstrated in body fluids such as urine and saliva. We achieved >5-fold antigen enrichment via thermal precipitation by conjugating polymers to the antibodies after antigen recognition. Concentrated biomarkers resulted in improved LFIA detection. This approach can potentially be utilized to improve diagnostic tests for infectious diseases in low and limited resource settings.
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Affiliation(s)
- Keita Hironaka
- Research Center for Functional Materials (RCFM), National Institute for Materials Science (NIMS), 1-1Namiki, Tsukuba, Ibaraki 305-0044, Japan. and Department of Materials Science and Technology, Graduate School of Industrial Science and Technology, Tokyo University of Science, 6-3-1 Niijuku, Katsushika, Tokyo 125-8585, Japan
| | - Erika Yoshihara
- Research Center for Functional Materials (RCFM), National Institute for Materials Science (NIMS), 1-1Namiki, Tsukuba, Ibaraki 305-0044, Japan. and Graduate School of Pure and Applied Sciences, University of Tsukuba, Ten-nodai, Tsukuba, Ibaraki 305-8577, Japan
| | - Ahmed Nabil
- Research Center for Functional Materials (RCFM), National Institute for Materials Science (NIMS), 1-1Namiki, Tsukuba, Ibaraki 305-0044, Japan. and Biotechnology and Life Sciences Department, Faculty of Postgraduate Studies for Advanced Sciences (PSAS), Beni-Suef University, Beni-Suef, Egypt and Egyptian Liver Research Institute and Hospital (ELRIAH), Sherbin, El Mansoura, Egypt
| | - James J Lai
- Department of Bioengineering, University of Washington, USA
| | - Akihiko Kikuchi
- Department of Materials Science and Technology, Graduate School of Industrial Science and Technology, Tokyo University of Science, 6-3-1 Niijuku, Katsushika, Tokyo 125-8585, Japan
| | - Mitsuhiro Ebara
- Research Center for Functional Materials (RCFM), National Institute for Materials Science (NIMS), 1-1Namiki, Tsukuba, Ibaraki 305-0044, Japan. and Department of Materials Science and Technology, Graduate School of Industrial Science and Technology, Tokyo University of Science, 6-3-1 Niijuku, Katsushika, Tokyo 125-8585, Japan and Graduate School of Pure and Applied Sciences, University of Tsukuba, Ten-nodai, Tsukuba, Ibaraki 305-8577, Japan and Department of Bioengineering, University of Washington, USA
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Nabil A, Yoshihara E, Hironaka K, Hassan AA, Shiha G, Ebara M. Temperature responsive smart polymer for enabling affinity enrichment of current coronavirus (SARS-CoV-2) to improve its diagnostic sensitivity. Comput Struct Biotechnol J 2021; 19:3609-3617. [PMID: 34150187 PMCID: PMC8200327 DOI: 10.1016/j.csbj.2021.06.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 06/08/2021] [Accepted: 06/12/2021] [Indexed: 12/12/2022] Open
Abstract
The current commercially available SARS-CoV-2 diagnostic approaches including nucleic acid molecular assaying using polymerase chain reaction (PCR) have many limitations and drawbacks. SARS-CoV-2 diagnostic strategies were reported to have a high false-negative rate and low sensitivity due to low viral antibodies or antigenic load in the specimens, that is why even PCR test is recommended to be repeated to overcome this problem. Thus, in anticipation of COVID-19 current wave and the upcoming waves, we should have an accurate and rapid diagnostic tool to control this pandemic. In this study, we developed a novel preanalytical strategy to be used for SARS-CoV-2 specimen enrichment to avoid misdiagnosis. This method depends on the immuno-affinity trapping of the viral target followed by in situ thermal precipitation and enrichment. We designed, synthesized, and characterized a thermal-responsive polymer poly (N-isopropylacrylamide-co-2-hydroxyisopropylacrylamide-co-strained alkyne isopropylacrylamide) followed by decoration with SARS-CoV-2 antibody. Different investigations approved the successful synthesis of the polymeric antibody conjugate. This conjugate was shown to enrich recombinant SARS-CoV-2 nucleocapsid protein samples to about 6 folds. This developed system succeeded in avoiding the misdiagnosis of low viral load specimens using the lateral flow immunoassay test. The strength of this work is that, to the best of our knowledge, this report may be the first to functionalize SARS-CoV-2 antibody to a thermo-responsive polymer for increasing its screening sensitivity during the current pandemic.
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Affiliation(s)
- Ahmed Nabil
- Research Center for Functional Materials, National Institute for Materials Science (NIMS), 1-1Namiki, Tsukuba, Ibaraki 305-0044, Japan
- Biotechnology and Life Sciences Department, Faculty of Postgraduate Studies for Advanced Sciences (PSAS), Beni-Suef University, Beni-Suef, Egypt
- Egyptian Liver Research Institute and Hospital (ELRIAH), Sherbin, El Mansoura, Egypt
| | - Erika Yoshihara
- Research Center for Functional Materials, National Institute for Materials Science (NIMS), 1-1Namiki, Tsukuba, Ibaraki 305-0044, Japan
- Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
| | - Keita Hironaka
- Research Center for Functional Materials, National Institute for Materials Science (NIMS), 1-1Namiki, Tsukuba, Ibaraki 305-0044, Japan
- Department of Materials Science and Technology, Graduate School of Industrial Science and Technology, Tokyo University of Science, 6-3-1 Niijuku, Katsushika, Tokyo 125-8585, Japan
| | - Ayman A. Hassan
- Egyptian Liver Research Institute and Hospital (ELRIAH), Sherbin, El Mansoura, Egypt
| | - Gamal Shiha
- Egyptian Liver Research Institute and Hospital (ELRIAH), Sherbin, El Mansoura, Egypt
- Hepatology and Gastroenterology Unit, Internal Medicine Department, Faculty of Medicine, Mansoura University, Egypt
| | - Mitsuhiro Ebara
- Research Center for Functional Materials, National Institute for Materials Science (NIMS), 1-1Namiki, Tsukuba, Ibaraki 305-0044, Japan
- Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
- Department of Materials Science and Technology, Graduate School of Industrial Science and Technology, Tokyo University of Science, 6-3-1 Niijuku, Katsushika, Tokyo 125-8585, Japan
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Wu T, Zhu J. Recent development and optimization of pseudomonas aeruginosa exotoxin immunotoxins in cancer therapeutic applications. Int Immunopharmacol 2021; 96:107759. [PMID: 34162138 DOI: 10.1016/j.intimp.2021.107759] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 04/30/2021] [Accepted: 05/01/2021] [Indexed: 12/12/2022]
Abstract
Recombinant immunotoxins are fusion proteins composed of a peptide toxin and a specific targeting domain through genetic recombination. They are engineered to recognize disease-specific target receptors and kill the cell upon internalization. Full-sized monoclonal antibodies, smaller antibody fragments and ligands, such as a cytokine or a growth factor, have been commonly used as the targeting domain, while bacterial Pseudomonas aeruginosa exotoxin (PE) is the usual toxin fusion partner, due to its natural cytotoxicity and other unique advantages. PE-based recombinant immunotoxins have shown remarkable efficacy in the treatment of tumors and autoimmune diseases. At the same time, efforts are underway to address major challenges, including immunogenicity, nonspecific cytotoxicity and poor penetration, which limit their clinical applications. Recent strategies for structural optimization of PE-based immunotoxins, combined with mutagenesis approaches, have reduced the immunogenicity and non-specific cytotoxicity, thus increasing both their safety and efficacy. This review highlights novel insights and design concepts that were used to advance immunotoxins for the treatment of hematological and solid tumors and also presents future development prospect of PE-based recombinant immunotoxins that are expected to play an important role in cancer therapy.
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Affiliation(s)
- Tong Wu
- Engineering Research Center of Cell and Therapeutic Antibody, MOE, China; School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Jianwei Zhu
- Engineering Research Center of Cell and Therapeutic Antibody, MOE, China; School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China; Jecho Laboratories, Inc., Frederick, MD 21704, USA.
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Shilova O, Shramova E, Proshkina G, Deyev S. Natural and Designed Toxins for Precise Therapy: Modern Approaches in Experimental Oncology. Int J Mol Sci 2021; 22:ijms22094975. [PMID: 34067057 PMCID: PMC8124712 DOI: 10.3390/ijms22094975] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 04/29/2021] [Accepted: 05/05/2021] [Indexed: 02/08/2023] Open
Abstract
Cancer cells frequently overexpress specific surface receptors providing tumor growth and survival which can be used for precise therapy. Targeting cancer cell receptors with protein toxins is an attractive approach widely used in contemporary experimental oncology and preclinical studies. Methods of targeted delivery of toxins to cancer cells, different drug carriers based on nanosized materials (liposomes, nanoparticles, polymers), the most promising designed light-activated toxins, as well as mechanisms of the cytotoxic action of the main natural toxins used in modern experimental oncology, are discussed in this review. The prospects of the combined therapy of tumors based on multimodal nanostructures are also discussed.
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Affiliation(s)
- Olga Shilova
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry RAS, 117997 Moscow, Russia; (E.S.); (G.P.)
- Correspondence: (O.S.); (S.D.)
| | - Elena Shramova
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry RAS, 117997 Moscow, Russia; (E.S.); (G.P.)
| | - Galina Proshkina
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry RAS, 117997 Moscow, Russia; (E.S.); (G.P.)
| | - Sergey Deyev
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry RAS, 117997 Moscow, Russia; (E.S.); (G.P.)
- Center of Biomedical Engineering, Sechenov University, 119991 Moscow, Russia
- Research Centrum for Oncotheranostics, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia
- Correspondence: (O.S.); (S.D.)
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Park J, Lee S, Kim Y, Yoo TH. Methods to generate site-specific conjugates of antibody and protein. Bioorg Med Chem 2021; 30:115946. [DOI: 10.1016/j.bmc.2020.115946] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 12/07/2020] [Accepted: 12/09/2020] [Indexed: 02/07/2023]
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