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Chattopadhyay S, Hazra R, Mallick A, Gayen S, Roy S. Small-molecule in cancer immunotherapy: Revolutionizing cancer treatment with transformative, game-changing breakthroughs. Biochim Biophys Acta Rev Cancer 2024; 1879:189170. [PMID: 39127244 DOI: 10.1016/j.bbcan.2024.189170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2024] [Revised: 08/05/2024] [Accepted: 08/06/2024] [Indexed: 08/12/2024]
Abstract
Immunotherapy has revolutionized cancer management, with antibody-based treatments leading the charge due to their superior pharmacodynamics, including enhanced effectiveness and specificity. However, these therapies are hampered by limitations such as prolonged half-lives, poor tissue and tumor penetration, and minimal oral bioavailability. Additionally, their immunogenic nature can cause adverse effects. Consequently, the focus is shifting towards small-molecule-based immunotherapies, which potentially overcome these drawbacks. Emerging as a promising alternative, small molecules offer the benefits of therapeutic antibodies and immunomodulators, often yielding synergistic effects when combined. Recent advancements in small-molecule cancer immunotherapy are notable, featuring inhibitors, agonists, and degraders that act as immunomodulators. This article delves into the current landscape of small-molecule immunotherapy in cancer treatment, highlighting novel agents targeting key pathways such as Toll-like receptors (TLR), PD-1/PD-L1, chemokine receptors, and stimulators of interferon genes (STING). The review emphasizes newly discovered molecular entities and their modulatory roles in tumorigenesis, many of which have progressed to clinical trials, that aims to provide a comprehensive snapshot of the evolving frontier in cancer treatment, driven by small-molecule immunomodulators.
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Affiliation(s)
- Soumyadeep Chattopadhyay
- Department of Pharmaceutical Technology, NSHM Knowledge Campus, Kolkata-Group of Institutions, Kolkata, West Bengal 700053, India
| | - Rudradeep Hazra
- Department of Pharmaceutical Technology, NSHM Knowledge Campus, Kolkata-Group of Institutions, Kolkata, West Bengal 700053, India
| | - Arijit Mallick
- Department of Pharmaceutical Technology, NSHM Knowledge Campus, Kolkata-Group of Institutions, Kolkata, West Bengal 700053, India
| | - Sakuntala Gayen
- Department of Pharmaceutical Technology, NSHM Knowledge Campus, Kolkata-Group of Institutions, Kolkata, West Bengal 700053, India
| | - Souvik Roy
- Department of Pharmaceutical Technology, NSHM Knowledge Campus, Kolkata-Group of Institutions, Kolkata, West Bengal 700053, India.
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2
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Medina Pérez VM, Baselga M, Schuhmacher AJ. Single-Domain Antibodies as Antibody-Drug Conjugates: From Promise to Practice-A Systematic Review. Cancers (Basel) 2024; 16:2681. [PMID: 39123409 PMCID: PMC11311928 DOI: 10.3390/cancers16152681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2024] [Revised: 07/23/2024] [Accepted: 07/25/2024] [Indexed: 08/12/2024] Open
Abstract
BACKGROUND Antibody-drug conjugates (ADCs) represent potent cancer therapies that deliver highly toxic drugs to tumor cells precisely, thus allowing for targeted treatment and significantly reducing off-target effects. Despite their effectiveness, ADCs can face limitations due to acquired resistance and potential side effects. OBJECTIVES This study focuses on advances in various ADC components to improve both the efficacy and safety of these agents, and includes the analysis of several novel ADC formats. This work assesses whether the unique features of VHHs-such as their small size, enhanced tissue penetration, stability, and cost-effectiveness-make them a viable alternative to conventional antibodies for ADCs and reviews their current status in ADC development. METHODS Following PRISMA guidelines, this study focused on VHHs as components of ADCs, examining advancements and prospects from 1 January 2014 to 30 June 2024. Searches were conducted in PubMed, Cochrane Library, ScienceDirect and LILACS using specific terms related to ADCs and single-domain antibodies. Retrieved articles were rigorously evaluated, excluding duplicates and non-qualifying studies. The selected peer-reviewed articles were analyzed for quality and synthesized to highlight advancements, methods, payloads, and future directions in ADC research. RESULTS VHHs offer significant advantages for drug conjugation over conventional antibodies due to their smaller size and structure, which enhance tissue penetration and enable access to previously inaccessible epitopes. Their superior stability, solubility, and manufacturability facilitate cost-effective production and expand the range of targetable antigens. Additionally, some VHHs can naturally cross the blood-brain barrier or be easily modified to favor their penetration, making them promising for targeting brain tumors and metastases. Although no VHH-drug conjugates (nADC or nanoADC) are currently in the clinical arena, preclinical studies have explored various conjugation methods and linkers. CONCLUSIONS While ADCs are transforming cancer treatment, their unique mechanisms and associated toxicities challenge traditional views on bioavailability and vary with different tumor types. Severe toxicities, often linked to compound instability, off-target effects, and nonspecific blood cell interactions, highlight the need for better understanding. Conversely, the rapid distribution, tumor penetration, and clearance of VHHs could be advantageous, potentially reducing toxicity by minimizing prolonged exposure. These attributes make single-domain antibodies strong candidates for the next generation of ADCs, potentially enhancing both efficacy and safety.
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Affiliation(s)
- Víctor Manuel Medina Pérez
- Molecular Oncology Group, Instituto de Investigación Sanitaria Aragón (IIS Aragón), 50009 Zaragoza, Spain;
| | - Marta Baselga
- Molecular Oncology Group, Instituto de Investigación Sanitaria Aragón (IIS Aragón), 50009 Zaragoza, Spain;
| | - Alberto J. Schuhmacher
- Molecular Oncology Group, Instituto de Investigación Sanitaria Aragón (IIS Aragón), 50009 Zaragoza, Spain;
- Fundación Aragonesa para la Investigación y el Desarrollo (ARAID), 50018 Zaragoza, Spain
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3
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Liu B, Zhou H, Tan L, Siu KTH, Guan XY. Exploring treatment options in cancer: Tumor treatment strategies. Signal Transduct Target Ther 2024; 9:175. [PMID: 39013849 PMCID: PMC11252281 DOI: 10.1038/s41392-024-01856-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 04/24/2024] [Accepted: 04/29/2024] [Indexed: 07/18/2024] Open
Abstract
Traditional therapeutic approaches such as chemotherapy and radiation therapy have burdened cancer patients with onerous physical and psychological challenges. Encouragingly, the landscape of tumor treatment has undergone a comprehensive and remarkable transformation. Emerging as fervently pursued modalities are small molecule targeted agents, antibody-drug conjugates (ADCs), cell-based therapies, and gene therapy. These cutting-edge treatment modalities not only afford personalized and precise tumor targeting, but also provide patients with enhanced therapeutic comfort and the potential to impede disease progression. Nonetheless, it is acknowledged that these therapeutic strategies still harbour untapped potential for further advancement. Gaining a comprehensive understanding of the merits and limitations of these treatment modalities holds the promise of offering novel perspectives for clinical practice and foundational research endeavours. In this review, we discussed the different treatment modalities, including small molecule targeted drugs, peptide drugs, antibody drugs, cell therapy, and gene therapy. It will provide a detailed explanation of each method, addressing their status of development, clinical challenges, and potential solutions. The aim is to assist clinicians and researchers in gaining a deeper understanding of these diverse treatment options, enabling them to carry out effective treatment and advance their research more efficiently.
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Affiliation(s)
- Beilei Liu
- Department of Clinical Oncology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
- Department of Clinical Oncology, The University of Hong Kong, Hong Kong, China
- State Key Laboratory for Liver Research, The University of Hong Kong, Hong Kong, China
| | - Hongyu Zhou
- Department of Clinical Oncology, The University of Hong Kong, Hong Kong, China
| | - Licheng Tan
- Department of Clinical Oncology, The University of Hong Kong, Hong Kong, China
| | - Kin To Hugo Siu
- Department of Clinical Oncology, The University of Hong Kong, Hong Kong, China
| | - Xin-Yuan Guan
- Department of Clinical Oncology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China.
- Department of Clinical Oncology, The University of Hong Kong, Hong Kong, China.
- State Key Laboratory for Liver Research, The University of Hong Kong, Hong Kong, China.
- Advanced Energy Science and Technology Guangdong Laboratory, Huizhou, China.
- MOE Key Laboratory of Tumor Molecular Biology, Jinan University, Guangzhou, China.
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4
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Sakemura RL, Manriquez Roman C, Horvei P, Siegler EL, Girsch JH, Sirpilla OL, Stewart CM, Yun K, Can I, Ogbodo EJ, Adada MM, Bezerra ED, Kankeu Fonkoua LA, Hefazi M, Ruff MW, Kimball BL, Mai LK, Huynh TN, Nevala WK, Ilieva K, Augsberger C, Patra-Kneuer M, Schanzer J, Endell J, Heitmüller C, Steidl S, Parikh SA, Ding W, Kay NE, Nowakowski GS, Kenderian SS. CD19 occupancy with tafasitamab increases therapeutic index of CART19 cell therapy and diminishes severity of CRS. Blood 2024; 143:258-271. [PMID: 37879074 PMCID: PMC10808250 DOI: 10.1182/blood.2022018905] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 09/29/2023] [Accepted: 09/30/2023] [Indexed: 10/27/2023] Open
Abstract
ABSTRACT In the development of various strategies of anti-CD19 immunotherapy for the treatment of B-cell malignancies, it remains unclear whether CD19 monoclonal antibody therapy impairs subsequent CD19-targeted chimeric antigen receptor T-cell (CART19) therapy. We evaluated the potential interference between the CD19-targeting monoclonal antibody tafasitamab and CART19 treatment in preclinical models. Concomitant treatment with tafasitamab and CART19 showed major CD19 binding competition, which led to CART19 functional impairment. However, when CD19+ cell lines were pretreated with tafasitamab overnight and the unbound antibody was subsequently removed from the culture, CART19 function was not affected. In preclinical in vivo models, tafasitamab pretreatment demonstrated reduced incidence and severity of cytokine release syndrome and exhibited superior antitumor effects and overall survival compared with CART19 alone. This was associated with transient CD19 occupancy with tafasitamab, which in turn resulted in the inhibition of CART19 overactivation, leading to diminished CAR T apoptosis and pyroptosis of tumor cells.
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Affiliation(s)
- R. Leo Sakemura
- T Cell Engineering, Mayo Clinic, Rochester, MN
- Division of Hematology, Mayo Clinic, Rochester, MN
| | - Claudia Manriquez Roman
- T Cell Engineering, Mayo Clinic, Rochester, MN
- Division of Hematology, Mayo Clinic, Rochester, MN
- Mayo Clinic Graduate School of Biomedical Sciences, Rochester, MN
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN
| | - Paulina Horvei
- T Cell Engineering, Mayo Clinic, Rochester, MN
- Pediatric Bone Marrow Transplant and Cellular Therapy, UPMC Children’s Hospital of Pittsburgh, PA
| | - Elizabeth L. Siegler
- T Cell Engineering, Mayo Clinic, Rochester, MN
- Division of Hematology, Mayo Clinic, Rochester, MN
| | - James H. Girsch
- T Cell Engineering, Mayo Clinic, Rochester, MN
- Division of Hematology, Mayo Clinic, Rochester, MN
- Mayo Clinic Graduate School of Biomedical Sciences, Rochester, MN
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN
| | - Olivia L. Sirpilla
- T Cell Engineering, Mayo Clinic, Rochester, MN
- Division of Hematology, Mayo Clinic, Rochester, MN
- Mayo Clinic Graduate School of Biomedical Sciences, Rochester, MN
- Department of Molecular Pharmacology & Experimental Therapeutics, Mayo Clinic, Rochester, MN
| | - Carli M. Stewart
- T Cell Engineering, Mayo Clinic, Rochester, MN
- Division of Hematology, Mayo Clinic, Rochester, MN
- Mayo Clinic Graduate School of Biomedical Sciences, Rochester, MN
- Department of Molecular Pharmacology & Experimental Therapeutics, Mayo Clinic, Rochester, MN
| | - Kun Yun
- T Cell Engineering, Mayo Clinic, Rochester, MN
- Division of Hematology, Mayo Clinic, Rochester, MN
- Mayo Clinic Graduate School of Biomedical Sciences, Rochester, MN
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN
| | - Ismail Can
- T Cell Engineering, Mayo Clinic, Rochester, MN
- Division of Hematology, Mayo Clinic, Rochester, MN
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN
| | - Ekene J. Ogbodo
- T Cell Engineering, Mayo Clinic, Rochester, MN
- Division of Hematology, Mayo Clinic, Rochester, MN
| | - Mohamad M. Adada
- T Cell Engineering, Mayo Clinic, Rochester, MN
- Division of Hematology, Mayo Clinic, Rochester, MN
| | | | | | - Mehrdad Hefazi
- T Cell Engineering, Mayo Clinic, Rochester, MN
- Division of Hematology, Mayo Clinic, Rochester, MN
| | - Michael W. Ruff
- T Cell Engineering, Mayo Clinic, Rochester, MN
- Department of Neurology, Mayo Clinic, Rochester, MN
| | - Brooke L. Kimball
- T Cell Engineering, Mayo Clinic, Rochester, MN
- Division of Hematology, Mayo Clinic, Rochester, MN
| | - Long K. Mai
- T Cell Engineering, Mayo Clinic, Rochester, MN
- Division of Hematology, Mayo Clinic, Rochester, MN
| | - Truc N. Huynh
- T Cell Engineering, Mayo Clinic, Rochester, MN
- Division of Hematology, Mayo Clinic, Rochester, MN
| | | | | | | | | | | | | | | | | | | | - Wei Ding
- Division of Hematology, Mayo Clinic, Rochester, MN
| | - Neil E. Kay
- Division of Hematology, Mayo Clinic, Rochester, MN
| | | | - Saad S. Kenderian
- T Cell Engineering, Mayo Clinic, Rochester, MN
- Division of Hematology, Mayo Clinic, Rochester, MN
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN
- Department of Immunology, Mayo Clinic, Rochester, MN
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5
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Meleties M, Cooper BM, Marcano-James D, Bhalla AS, Shameem M. Vaporized Hydrogen Peroxide Sterilization in the Production of Protein Therapeutics: Uptake and Effects on Product Quality. J Pharm Sci 2023; 112:2991-3004. [PMID: 37751805 DOI: 10.1016/j.xphs.2023.09.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 09/14/2023] [Accepted: 09/15/2023] [Indexed: 09/28/2023]
Abstract
The aseptic filling of drug products is carried out in pharmaceutical isolators that have been sterilized. A commonly used method for achieving a high level of sterility assurance is vaporized hydrogen peroxide (VHP) sterilization, which is favorable to other methods, such as ethylene oxide sterilization, due to its low cycle times and nontoxic residuals. While VHP cycles are often employed to create a sterile environment within an isolator, they can leave residual levels of hydrogen peroxide behind that can enter the product during fill-finish operations. Due to the oxidizing potential of hydrogen peroxide and the multiple possible sources of uptake along filling lines, the extent of the potential impact on product quality needs to be understood during pharmaceutical development. Herein, different factors affecting hydrogen peroxide uptake, points of entry along the filling line, and possible impacts on product quality are reviewed.
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Affiliation(s)
- Michael Meleties
- Formulations Development, Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY, 10591 USA.
| | - Bailey M Cooper
- Formulations Development, Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY, 10591 USA
| | - Daniela Marcano-James
- Formulations Development, Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY, 10591 USA
| | - Amardeep S Bhalla
- Formulations Development, Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY, 10591 USA
| | - Mohammed Shameem
- Formulations Development, Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY, 10591 USA
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6
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Morales A, Candreva J, Jayarathne T, Esterman AL, Voruganti S, Flagg SC, Slaney T, Liu P, Adamo M, Patel S, Das TK, Zeng M, Li X. A comprehensive strategy for the identification of biologics by liquid-chromatography-mass spectrometry for release testing in a regulated environment. J Pharm Biomed Anal 2023; 234:115580. [PMID: 37478550 DOI: 10.1016/j.jpba.2023.115580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 07/10/2023] [Accepted: 07/12/2023] [Indexed: 07/23/2023]
Abstract
Identification (ID) testing is a regulatory requirement for biopharmaceutical manufacturing, requiring robust, GMP-qualified assays that can distinguish the therapeutic from any other in the facility. Liquid Chromatography-Mass Spectrometry (LC-MS) is a powerful analytical tool used to identify and characterize biologics. While routinely leveraged for characterization, LC-MS is relatively rare in Quality Control (QC) settings due to its perceived complexity and scarcity of MS-trained personnel. However, employing LC-MS for identification of drug products has many advantages versus conventional ID techniques, including but not limited to its high specificity, rapid turn-around time, and ease of method execution. In this work, we outline the development and implementation of a comprehensive LC-MS based ID strategy for biologics release testing. Two main workflows (WFs) were developed: i) WF1, a subunit-based assay measuring the molecular weight of the light chain (LC) and heavy chain (HC) of an antibody upon reduction, and ii) WF2, intact mass measurement of the biologic upon N-deglycosylation by PNGase F. The proposed strategy is shown to be applicable for over 40 diverse model biologics including monoclonal antibodies (mAbs), biobetters such as antibody prodrugs/afucosylated mAbs, fusion proteins, multi-specific antibodies, Fabs, and large peptides, all with excellent mass accuracy (error typically < 20 ppm) and precision. It requires a single-step sample preparation and a single click to run and process the data upon method setup. This strategy has been successfully implemented for release testing in GMP labs. Challenges and considerations for the establishment of QC-friendly methods are discussed. It is also shown that these methods can be applied to the ID of more analytically complex biotherapeutics, such as fixed-dose combination (FDC) and drug products co-formulated with trace-level additives.
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Affiliation(s)
- Anna Morales
- Biologics Development, Bristol Myers Squibb, New Brunswick, NJ, United States
| | - Jason Candreva
- Biologics Development, Bristol Myers Squibb, New Brunswick, NJ, United States
| | - Thilina Jayarathne
- Biologics Development, Bristol Myers Squibb, New Brunswick, NJ, United States
| | - Abbie L Esterman
- Biologics Development, Bristol Myers Squibb, New Brunswick, NJ, United States
| | - Sudhakar Voruganti
- Biologics Development, Bristol Myers Squibb, New Brunswick, NJ, United States
| | - Shannon C Flagg
- Biologics Development, Bristol Myers Squibb, New Brunswick, NJ, United States
| | - Thomas Slaney
- Biologics Development, Bristol Myers Squibb, New Brunswick, NJ, United States
| | - Peiran Liu
- Biologics Development, Bristol Myers Squibb, New Brunswick, NJ, United States
| | - Michael Adamo
- Analytical Strategy and Operations, Bristol Myers Squibb, New Brunswick, NJ, United States
| | - Saileshkumar Patel
- Analytical Strategy and Operations, Bristol Myers Squibb, New Brunswick, NJ, United States
| | - Tapan K Das
- Biologics Development, Bristol Myers Squibb, New Brunswick, NJ, United States
| | - Ming Zeng
- Biologics Development, Bristol Myers Squibb, New Brunswick, NJ, United States
| | - Xue Li
- Biologics Development, Bristol Myers Squibb, New Brunswick, NJ, United States.
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7
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Wu P, Prachyathipsakul T, Huynh U, Qiu J, Jerry DJ, Thayumanavan S. Optimizing Conjugation Chemistry, Antibody Conjugation Site, and Surface Density in Antibody-Nanogel Conjugates (ANCs) for Cell-Specific Drug Delivery. Bioconjug Chem 2023:10.1021/acs.bioconjchem.3c00034. [PMID: 36972480 PMCID: PMC10522789 DOI: 10.1021/acs.bioconjchem.3c00034] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
Abstract
Targeted delivery of therapeutics using antibody-nanogel conjugates (ANCs) with a high drug-to-antibody ratio has the potential to overcome some of the inherent limitations of antibody-drug conjugates (ADCs). ANC platforms with simple preparation methods and precise tunability to evaluate structure-activity relationships will greatly contribute to translating this promise into clinical reality. In this work, using trastuzumab as a model antibody, we demonstrate a block copolymer-based ANC platform that allows highly efficient antibody conjugation and formulation. In addition to showcasing the advantages of using an inverse electron-demand Diels-Alder (iEDDA)-based antibody conjugation, we evaluate the influence of antibody surface density and conjugation site on the nanogels upon the targeting capability of ANCs. We show that compared to traditional strain-promoted alkyne-azide cycloadditions, the preparation of ANCs using iEDDA provides significantly higher efficiency, which results in a shortened reaction time, simplified purification process, and enhanced targeting toward cancer cells. We also find that a site-specific disulfide-rebridging method in antibodies offers similar targeting abilities as the more indiscriminate lysine-based conjugation method. The more efficient bioconjugation using iEDDA allows us to optimize the avidity by fine-tuning the surface density of antibodies on the nanogel. Finally, with trastuzumab-mertansine (DM1) antibody-drug combination, our ANC demonstrates superior activities in vitro compared to the corresponding ADC, further highlighting the potential of ANCs in future clinical translation.
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Affiliation(s)
- Peidong Wu
- Department of Chemistry, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | | | - Uyen Huynh
- Department of Chemistry, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - Jingyi Qiu
- Department of Biomedical Engineering, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - D. Joseph Jerry
- Center for Bioactive Delivery, Institute for Applied Life Sciences, University of Massachusetts, Amherst, Massachusetts 01003, United States
- Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - S. Thayumanavan
- Department of Chemistry, University of Massachusetts, Amherst, Massachusetts 01003, United States
- Department of Biomedical Engineering, University of Massachusetts, Amherst, Massachusetts 01003, United States
- Center for Bioactive Delivery, Institute for Applied Life Sciences, University of Massachusetts, Amherst, Massachusetts 01003, United States
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Abstract
As a natural function, antibodies defend the host from infected cells and pathogens by recognizing their pathogenic determinants. Antibodies (Abs) gained wide acceptance with an enormous impact on human health and have predominantly captured the arena of bio-therapeutics and bio-diagnostics. The scope of Ab-based biologics is vast, and it is likely to solve many unmet clinical needs in future. The majority of attention is now devoted to developing innovative technologies for manufacturing and engineering Abs, better suited to satisfy human needs. The advent of Ab engineering technologies (AET) led to phenomenal developments leading to the generation of Abs-/Ab-derived molecules with desirable functional properties proportional to their expanding requirements. Evolution brought by AET, from the naturally occurring Ab forms to several advanced Ab formats and derivatives, was much needed as it is of great interest to the pharmaceutical industry. Thus, numerous advancements in AET have propelled success in therapeutic Ab development, along with the potential for ever-increasing improvements. Unique characteristics of Abs, such as its diversity, specificity, structural integrity and an array of possible applications, together inspire continuous innovation in the field. Overall, the AET could assist in conquer of several limitations of Abs in terms of their applicability in the field of therapeutics, diagnostics and research; AET has so far led to the production of next-generation Abs, which have revolutionized these arenas. Here in this review, we discuss the various distinguished engineering platforms for Ab development and the progress in modern therapeutics by the so-called "next-generation Abs."
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Affiliation(s)
- Divya Kandari
- Molecular Biology and Genetic Engineering Laboratory, School of Biotechnology, Jawaharlal Nehru University, New Delhi, India
| | - Rakesh Bhatnagar
- Molecular Biology and Genetic Engineering Laboratory, School of Biotechnology, Jawaharlal Nehru University, New Delhi, India.,Banaras Hindu University, Varanasi, India.,Amity University Rajasthan, Jaipur, India
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9
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Leone GM, Mangano K, Petralia MC, Nicoletti F, Fagone P. Past, Present and (Foreseeable) Future of Biological Anti-TNF Alpha Therapy. J Clin Med 2023; 12:jcm12041630. [PMID: 36836166 PMCID: PMC9963154 DOI: 10.3390/jcm12041630] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 02/09/2023] [Accepted: 02/14/2023] [Indexed: 02/22/2023] Open
Abstract
Due to the key role of tumor necrosis factor-alpha (TNF-α) in the pathogenesis of immunoinflammatory diseases, TNF-α inhibitors have been successfully developed and used in the clinical treatment of autoimmune disorders. Currently, five anti-TNF-α drugs have been approved: infliximab, adalimumab, golimumab, certolizumab pegol and etanercept. Anti-TNF-α biosimilars are also available for clinical use. Here, we will review the historical development as well as the present and potential future applications of anti-TNF-α therapies, which have led to major improvements for patients with several autoimmune diseases, such as rheumatoid arthritis (RA), ankylosing spondylitis (AS), Crohn's disease (CD), ulcerative colitis (UC), psoriasis (PS) and chronic endogenous uveitis. Other therapeutic areas are under evaluation, including viral infections, e.g., COVID-19, as well as chronic neuropsychiatric disorders and certain forms of cancer. The search for biomarkers able to predict responsiveness to anti-TNF-α drugs is also discussed.
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Affiliation(s)
- Gian Marco Leone
- Department of Biomedical and Biotechnological Sciences, University of Catania, Via S. Sofia 97, 95123 Catania, Italy
| | - Katia Mangano
- Department of Biomedical and Biotechnological Sciences, University of Catania, Via S. Sofia 97, 95123 Catania, Italy
| | - Maria Cristina Petralia
- Department of Clinical and Experimental Medicine, University of Messina, 98122 Messina, Italy
| | - Ferdinando Nicoletti
- Department of Biomedical and Biotechnological Sciences, University of Catania, Via S. Sofia 97, 95123 Catania, Italy
- Correspondence:
| | - Paolo Fagone
- Department of Biomedical and Biotechnological Sciences, University of Catania, Via S. Sofia 97, 95123 Catania, Italy
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10
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Huynh U, Wu P, Qiu J, Prachyathipsakul T, Singh K, Jerry DJ, Gao J, Thayumanavan S. Targeted Drug Delivery Using a Plug-to-Direct Antibody-Nanogel Conjugate. Biomacromolecules 2023; 24:849-857. [PMID: 36639133 PMCID: PMC9928872 DOI: 10.1021/acs.biomac.2c01269] [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: 01/15/2023]
Abstract
Targeted drug delivery using antibody-drug conjugates has attracted great attention due to its enhanced therapeutic efficacy compared to traditional chemotherapy. However, the development has been limited due to a low drug-to-antibody ratio and laborious linker-payload optimization. Herein, we present a simple and efficient strategy to combine the favorable features of polymeric nanocarriers with antibodies to generate an antibody-nanogel conjugate (ANC) platform for targeted delivery of cytotoxic agents. Our nanogels stably encapsulate several chemotherapeutic agents with a wide range of mechanisms of action and solubility. We showcase the targetability of ANCs and their selective killing of cancer cells over-expressing disease-relevant antigens such as human epidermal growth factor receptor 2, epidermal growth factor receptor, and tumor-specific mucin 1, which cover a broad range of breast cancer cell types while maintaining low to no toxicity to non-targeted cells. Overall, our system represents a versatile approach that could impact next-generation nanomedicine in antibody-targeted therapeutics.
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Affiliation(s)
- Uyen Huynh
- Department of Chemistry, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - Peidong Wu
- Department of Chemistry, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - Jingyi Qiu
- Department of Biomedical Engineering, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | | | - Khushboo Singh
- Department of Chemistry, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - D. Joseph Jerry
- Center for Bioactive Delivery, Institute for Applied Life Sciences, University of Massachusetts, Amherst, Massachusetts 01003, United States
- Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - Jingjing Gao
- Department of Chemistry, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - S. Thayumanavan
- Department of Chemistry, University of Massachusetts, Amherst, Massachusetts 01003, United States
- Department of Biomedical Engineering, University of Massachusetts, Amherst, Massachusetts 01003, United States
- Center for Bioactive Delivery, Institute for Applied Life Sciences, University of Massachusetts, Amherst, Massachusetts 01003, United States
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11
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An effective strategy for the humanization of antibody fragments under an accelerated timeline. Int J Biol Macromol 2022; 216:465-474. [PMID: 35803408 DOI: 10.1016/j.ijbiomac.2022.06.195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 06/23/2022] [Accepted: 06/24/2022] [Indexed: 11/22/2022]
Abstract
The use of monoclonal antibodies (mAbs) in therapy is gradually advancing and discussions entail its safety, rentability and effectiveness. To this date, around a hundred mAbs have been approved by the FDA for the treatment of various diseases. Aiming for their large-scale production, recombinant DNA technology is mainly employed, and antibodies can be expressed in various eukaryotic and prokaryotic systems. Moreover, considering their heterologous origin and potential immunogenicity, various strategies have been developed for mAb humanization, considering that around 50 % of commercial mAbs are humanized. Hence, we introduce LimAb7, a mouse mAb capable of binding and neutralizing brown spider's Loxosceles intermedia dermonecrotic toxins in vivo/in vitro. This antibody has been produced in mouse and humanized scFv and diabody formats, however results indicated losses in antigen-binding affinity, stability, and neutralizing ability. Intending to develop evolved, stable, and neutralizing antibody fragments, we report for the first time the design of humanized antibody V-domains produced as Fab fragments, against spider venom toxins. Improvements in constructs were observed regarding their physicochemical stability, target binding and binding pattern maintenance. As their neutralizing features remain to be characterized, we believe this data sheds new light on antibody humanization by producing a parental molecule in different recombinant formats.
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12
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Camelid Single-Domain Antibodies: Promises and Challenges as Lifesaving Treatments. Int J Mol Sci 2022; 23:ijms23095009. [PMID: 35563400 PMCID: PMC9100996 DOI: 10.3390/ijms23095009] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 04/25/2022] [Accepted: 04/27/2022] [Indexed: 02/07/2023] Open
Abstract
Since the discovery of camelid heavy-chain antibodies in 1993, there has been tremendous excitement for these antibody domains (VHHs/sdAbs/nanobodies) as research tools, diagnostics, and therapeutics. Commercially, several patents were granted to pioneering research groups in Belgium and the Netherlands between 1996–2001. Ablynx was established in 2001 with the aim of exploring the therapeutic applications and development of nanobody drugs. Extensive efforts over two decades at Ablynx led to the first approved nanobody drug, caplacizumab (Cablivi) by the EMA and FDA (2018–2019) for the treatment of rare blood clotting disorders in adults with acquired thrombotic thrombocytopenic purpura (TPP). The relatively long development time between camelid sdAb discovery and their entry into the market reflects the novelty of the approach, together with intellectual property restrictions and freedom-to-operate issues. The approval of the first sdAb drug, together with the expiration of key patents, may open a new horizon for the emergence of camelid sdAbs as mainstream biotherapeutics in the years to come. It remains to be seen if nanobody-based drugs will be cheaper than traditional antibodies. In this review, I provide critical perspectives on camelid sdAbs and present the promises and challenges to their widespread adoption as diagnostic and therapeutic agents.
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13
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Ebrahimi M, Balibegloo M, Rezaei N. Monoclonal antibodies in diabetic retinopathy. Expert Rev Clin Immunol 2022; 18:163-178. [PMID: 35105268 DOI: 10.1080/1744666x.2022.2037420] [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: 11/04/2022]
Abstract
INTRODUCTION Diabetic retinopathy (DR), as one of the main complications of diabetes, is among the leading causes of blindness and visual impairment worldwide. AREAS COVERED Current clinical therapies include photocoagulation, vitrectomy, and anti-vascular endothelial growth factor (VEGF) therapies. Bevacizumab and ranibizumab are two monoclonal antibodies (mAbs) inhibiting angiogenesis. Intravitreal ranibizumab and bevacizumab can decrease the rate of blindness and retinal thickness, and improve visual acuity whether as monotherapy or combined with other treatments. They can increase the efficacy of other treatments and decrease their adverse events. Although administered intravitreally, they also might enter the circulation and cause systemic effects. This study is aimed to review our current knowledge about mAbs, bevacizumab and ranibizumab, in DR including superiorities, challenges, and limitations. Meanwhile, we tried to shed light on new ideas to overcome these limitations. Our latest search was done in April 2021 mainly through PubMed and Google Scholar. Relevant clinical studies were imported. EXPERT OPINION Future direction includes detection of more therapeutic targets considering other components of DR pathophysiology and shared pathogenesis of DR and neurodegenerative diseases such as Parkinson's disease and Alzheimer's disease, the treat-and-extend regimen, and new ways of drug delivery and other routes of ocular drug administration.
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Affiliation(s)
- Moein Ebrahimi
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA),Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Maryam Balibegloo
- Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA),Universal Scientific Education and Research Network (USERN), Tehran, Iran.,Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Nima Rezaei
- Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA),Universal Scientific Education and Research Network (USERN), Tehran, Iran.,Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran.,Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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14
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Kamen DE, Crotts G, Narasimhan C, Hu Q, Bhargava AC, Muthurania K, Burton L, Gbormittah FO, Mathews L, Mills B, Hodge T, Saluja S, Singh SN, Tabish T, Wu Y, Stokes ESE. An Intercompany Perspective on Compatibility and In-use Stability Studies to Enable Administration Of Biopharmaceutical Drug Products. J Pharm Sci 2021; 111:1092-1103. [PMID: 34600941 DOI: 10.1016/j.xphs.2021.09.043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 09/21/2021] [Accepted: 09/21/2021] [Indexed: 11/30/2022]
Abstract
In-use stability and compatibility studies are often used in biotherapeutic development to assess stability and compatibility of biologic drugs with diluents and/or administration components at relevant conditions for the target route of administration (commonly intravenous, subcutaneous or intramuscular), to assure that patient safety and product efficacy are maintained during clinical use. To gain an understanding of current industry approaches for in-use stability and compatibility studies, the Formulation Workstream of the BioPhorum Development Group (BPDG), an industry-wide consortium, conducted an inter-company collaboration exercise, which included five bench-marking surveys around in-use stability and compatibility studies of biologic drugs. The results of this industry collaboration provide insights into the practicalities of these studies and how they are being used to support administration of biologics from early clinical programs to marketed products. The surveys queried topics including regulatory strategies and feedback; clinical in-use formulation, patient and site considerations; clinical blinding, masking and placebo approaches; study setup, execution and reporting; and clinical in-use stability and compatibility testing to provide a comprehensive picture of the range of common industry practices. This paper discusses the survey results and presents various approaches which can be used to guide the strategy and design of an in-use stability and compatibility program based on clinical and biomolecule needs.
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Affiliation(s)
- Douglas E Kamen
- Regeneron Pharmaceuticals Inc., Formulation Development, 777 Old Saw Mill River Road, Tarrytown, NY 10591, USA
| | - George Crotts
- GlaxoSmithKline R&D, Biopharmaceutical Product Sciences, Collegeville, PA 19426, USA
| | - Chakravarthy Narasimhan
- Merck & Co., Inc., Biologics and Vaccines Development, 2000 Galloping Hill Road, Kenilworth, NJ 07033, USA
| | - Qingyan Hu
- Regeneron Pharmaceuticals Inc., Formulation Development, 777 Old Saw Mill River Road, Tarrytown, NY 10591, USA
| | - Adithi C Bhargava
- Genentech (A Member of the Roche Group), Pharmaceutical Development, 1 DNA Way, South San Francisco, CA 94080, USA
| | - Kevin Muthurania
- Janssen Research & Development, Biotherapeutics Drug Product Development, 200 Great Valley Parkway, Malvern, PA 19355, USA
| | - Lori Burton
- Bristol Myers Squibb, Drug Product Development, One Squibb Drive, New Brunswick, NJ 08903, USA
| | | | - Ligi Mathews
- Janssen Research & Development, Biotherapeutics Drug Product Development, 200 Great Valley Parkway, Malvern, PA 19355, USA
| | - Brittney Mills
- Abbvie, NBE Development, 1N Waukegan Road, North Chicago, IL 60064, USA
| | - Tamara Hodge
- Pfizer, Inc, BioTherapeutics PharmSci, 1 Burtt Road, Andover MA 01810, USA
| | | | - Shubhadra N Singh
- GlaxoSmithKline R&D, Biopharmaceutical Product Sciences, Collegeville, PA 19426, USA
| | - Tanvir Tabish
- Takeda Pharmaceuticals, Industriestr 72, 1221 Vienna, Austria
| | - Yongmei Wu
- Bristol Myers Squibb, Drug Product Development, One Squibb Drive, New Brunswick, NJ 08903, USA
| | - Elaine S E Stokes
- BioPhorum, The Gridiron Building, 1 Pancras Square, London N1C 4AG, UK.
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15
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Identification, characterization and control of a sequence variant in monoclonal antibody drug product: a case study. Sci Rep 2021; 11:13233. [PMID: 34168178 PMCID: PMC8225904 DOI: 10.1038/s41598-021-92338-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 02/22/2021] [Indexed: 02/06/2023] Open
Abstract
Sequence variants (SV) in protein bio therapeutics can be categorized as unwanted impurities and may raise serious concerns in efficacy and safety of the product. Early detection of specific sequence modifications, that can result in altered physicochemical and or biological properties, is therefore desirable in product manufacturing. Because of their low abundance, and finite resolving power of conventional analytical techniques, they are often overlooked in early drug development. Here, we present a case study where trace amount of a sequence variant is identified in a monoclonal antibody (mAb) based therapeutic protein by LC-MS/MS and the structural and functional features of the SV containing mAb is assessed using appropriate analytical techniques. Further, a very sensitive selected reaction monitoring (SRM) technique is developed to quantify the SV which revealed both prominent and inconspicuous nature of the variant in process chromatography. We present the extensive characterization of a sequence variant in protein biopharmaceutical and first report on control of sequence variants to < 0.05% in final drug product by utilizing SRM based mass spectrometry method during the purification steps.
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16
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Vaish A, Lin JS, McBride HJ, Grandsard PJ, Chen Q. Binding affinity determination of therapeutic antibodies to membrane protein targets: Kinetic Exclusion Assay using cellular membranes for anti-CD20 antibody. Anal Biochem 2020; 609:113974. [PMID: 33010205 DOI: 10.1016/j.ab.2020.113974] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 09/15/2020] [Accepted: 09/18/2020] [Indexed: 12/31/2022]
Abstract
Antibody-based therapeutics targeting membrane proteins have evolved as a major modality for the treatment of cancer, inflammation and autoimmune diseases. There are numerous challenges, ranging from desired epitope expression to reliable binding/functional assays which are associated with developing antibodies for this target class. Specifically, having a robust methodology for characterizing antibody interaction with a membrane protein target is essential for providing guidance on dosing, potency and thus expected efficacy. Fluorescence-activated cell sorting (FACS) has been commonly used to characterize antibodies binding to membrane protein targets. FACS provides information about the antibody-receptor complex (antibody bound to cells) and the apparent equilibrium dissociation constant (KD') is elucidated by fitting the antibody-receptor binding isotherm as a function of total antibody concentration to a nonlinear regression model. Conversely, Kinetic Exclusion Assay (KinExA) has been used to measure solution-based equilibrium dissociation constant (KD) of antibodies. Here, KD is determined by measuring the free antibody concentration at equilibrium in a series of solutions in which the antibody is at constant concentration and the receptor (either in the membrane or the cell) is titrated. We measured the binding affinity of the anti-CD20 antibody, Rituximab, using both FACS and KinExA. There was ~25-fold difference in the binding affinity measured by these two techniques. We have explored this discrepancy through additional experiments around the mathematical framework involved in the analysis of these two different binding assays. Finally, our study concluded that KinExA enables accurate measurement of the KD for strong protein-protein interactions (sub-nanomolar values) compared to FACS.
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Affiliation(s)
- Amit Vaish
- Discovery Attribute Sciences, Discovery Research, Amgen Inc., Thousand Oaks, CA, USA
| | - Joanne S Lin
- Eli Lilly and Company, Lilly Biotechnology Center, San Diego, CA, USA
| | - Helen J McBride
- Technology Transfer and Corporate Partnerships, California Institute of Technology, CA, USA
| | - Peter J Grandsard
- Discovery Attribute Sciences, Discovery Research, Amgen Inc., Thousand Oaks, CA, USA
| | - Qing Chen
- Discovery Attribute Sciences, Discovery Research, Amgen Inc., Thousand Oaks, CA, USA.
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17
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Lapidoth G, Parker J, Prilusky J, Fleishman SJ. AbPredict 2: a server for accurate and unstrained structure prediction of antibody variable domains. Bioinformatics 2020; 35:1591-1593. [PMID: 30951584 DOI: 10.1093/bioinformatics/bty822] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Revised: 09/05/2018] [Accepted: 09/19/2018] [Indexed: 11/14/2022] Open
Abstract
SUMMARY Methods for antibody structure prediction rely on sequence homology to experimentally determined structures. Resulting models may be accurate but are often stereochemically strained, limiting their usefulness in modeling and design workflows. We present the AbPredict 2 web-server, which instead of using sequence homology, conducts a Monte Carlo-based search for low-energy combinations of backbone conformations to yield accurate and unstrained antibody structures. AVAILABILITY AND IMPLEMENTATION We introduce several important improvements over the previous AbPredict implementation: (i) backbones and sidechains are now modeled using ideal bond lengths and angles, substantially reducing stereochemical strain, (ii) sampling of the rigid-body orientation at the light-heavy chain interface is improved, increasing model accuracy and (iii) runtime is reduced 20-fold without compromising accuracy, enabling the implementation of AbPredict 2 as a fully automated web-server (http://abpredict.weizmann.ac.il). Accurate and unstrained antibody model structures may in some cases obviate the need for experimental structures in antibody optimization workflows.
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Affiliation(s)
- Gideon Lapidoth
- Department of Biomolecular Sciences, Weizmann Institute of Science, Rehovot, Israel
| | - Jake Parker
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia, Australia.,CSIRO Synthetic Biology Future Science Platform, Weizmann Institute of Science, Rehovot, Israel
| | - Jaime Prilusky
- Bioinformatics & Biological Computing Unit, Weizmann Institute of Science, Rehovot, Israel
| | - Sarel J Fleishman
- Department of Biomolecular Sciences, Weizmann Institute of Science, Rehovot, Israel
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18
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Towards a new avenue for producing therapeutic proteins: Microalgae as a tempting green biofactory. Biotechnol Adv 2020; 40:107499. [DOI: 10.1016/j.biotechadv.2019.107499] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 10/02/2019] [Accepted: 12/17/2019] [Indexed: 02/08/2023]
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19
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Wang W, Hao D, Ge J, Zhao L, Huang Y, Zhu K, Wu X, Su Z, Yu R, Ma G. A minimalist peptide ligand for IgG by minimizing the binding domain of protein A. Biochem Eng J 2019. [DOI: 10.1016/j.bej.2019.107327] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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20
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Cui T, Chi B, Heidbrink Thompson J, Kasali T, Sellick C, Turner R. Cathepsin D: Removal strategy on protein A chromatography, near real time monitoring and characterisation during monoclonal antibody production. J Biotechnol 2019; 305:51-60. [PMID: 31442501 DOI: 10.1016/j.jbiotec.2019.08.013] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 06/25/2019] [Accepted: 08/19/2019] [Indexed: 01/20/2023]
Abstract
Monoclonal antibody (mAb) fragmentation is a well-known degradation pathway that results in product loss and can significantly impact product quality, efficacy, or even cause immunogenic reactions, thus potentially endangering patients' health. It is recognised that residual proteases present among host cell proteins (HCPs) such as those expressed by Chinese Hamster Ovary (CHO) can induce fragmentation, and failure of their complete removal during downstream processing could cause fragmentation during mAb production and in the final drug product. We identified, using a protease inhibitor screen, an aspartic protease that contributes to proteolytic fragmentation of partially purified mAbs in multiple projects. Subsequent LC-MS analysis indicated that cathepsin D, a typical aspartic protease, was responsible for the observed fragmentation of in-process samples. To address the issue, an alternative chromatography wash was implemented at the capture step and has been demonstrated to be an effective and scalable solution to mitigate the residual cathepsin D associated fragmentation risk. Furthermore, a near real time targeted mass spectrometry method has been developed to proactively monitor the presence of cathepsin D during upstream and downstream process. Our approach demonstrated an emerging HCP mitigation strategy through integrated upstream and downstream involvement and holds great promise for a range of future applications.
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Affiliation(s)
- Tingting Cui
- Purification Process Sciences, BioPharmaceutical Development, R&D BioPharmaceuticals Unit, AstraZeneca, Cambridge CB21 6GH, United Kingdom.
| | - Bertie Chi
- CMC Analytical Development, Kymab Ltd., Cambridge CB22 3AT, United Kingdom
| | - Jenny Heidbrink Thompson
- Analytical Sciences, BioPharmaceutical Development, R&D BioPharmaceuticals Unit, AstraZeneca, Gaithersburg, Maryland 20878, United States
| | - Toyin Kasali
- Analytical Sciences, BioPharmaceutical Development, R&D BioPharmaceuticals Unit, AstraZeneca, Cambridge CB21 6GH, United Kingdom
| | | | - Richard Turner
- Purification Process Sciences, BioPharmaceutical Development, R&D BioPharmaceuticals Unit, AstraZeneca, Cambridge CB21 6GH, United Kingdom
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21
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Li Y, Lee JS. Recent developments in affinity-based selection of aptamers for binding disease-related protein targets. CHEMICAL PAPERS 2019. [DOI: 10.1007/s11696-019-00842-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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22
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Improvement of protein binding capacity of acrylic-acid-grafted fibers by polymer root-to-brush shift. Radiat Phys Chem Oxf Engl 1993 2019. [DOI: 10.1016/j.radphyschem.2018.12.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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23
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Zakaly HMH, Mostafa MYA, Zhukovsky M. Dosimetry Assessment of Injected 89Zr-Labeled Monoclonal Antibodies in Humans. Radiat Res 2019; 191:466-474. [DOI: 10.1667/rr15321.1] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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24
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On-line glucose monitoring by near infrared spectroscopy during the scale up steps of mammalian cell cultivation process development. Bioprocess Biosyst Eng 2019; 42:921-932. [PMID: 30806782 PMCID: PMC6527534 DOI: 10.1007/s00449-019-02091-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Accepted: 02/15/2019] [Indexed: 12/30/2022]
Abstract
NIR spectroscopy is a non-destructive tool for in-situ, on-line bioprocess monitoring. One of its most frequent applications is the determination of metabolites during cultivation, especially glucose. Previous studies have usually investigated the applicability of Near Infrared (NIR) spectroscopy at one bioreactor scale but the effect of scale up was not explored. In this study, the complete scale up from shake flask (1 L) through 20 L, 100 L and 1000 L up to 5000 L bioreactor volume level was monitored with on-line NIR spectroscopy. The differences between runs and scales were examined using principal component analysis. The bioreactor runs were relatively similar regardless of scales but the shake flasks differed strongly from bioreactor runs. The glucose concentration throughout five 5000 L scale bioreactor runs were predicted by partial least squares regression models that were based on pre-processed spectra of bioreactor runs and combinations of them. The model that produced the lowest error of prediction (4.18 mM on a 29 mM concentration range) for all five runs in the prediction set was based on the combination of 20 L and 100 L data. This result demonstrated the capabilities and the limitations of an NIR system for glucose monitoring in mammalian cell cultivations.
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25
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Impact of a Heat Shock Protein Impurity on the Immunogenicity of Biotherapeutic Monoclonal Antibodies. Pharm Res 2019; 36:51. [PMID: 30771015 PMCID: PMC6394513 DOI: 10.1007/s11095-019-2586-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Accepted: 02/05/2019] [Indexed: 11/04/2022]
Abstract
Purpose Anti-drug antibodies can impair the efficacy of therapeutic proteins and, in some circumstances, induce adverse health effects. Immunogenicity can be promoted by aggregation; here we examined the ability of recombinant mouse heat shock protein 70 (rmHSP70) - a common host cell impurity - to modulate the immune responses to aggregates of two therapeutic mAbs in mice. Methods Heat and shaking stress methods were used to generate aggregates in the sub-micron size range from two human mAbs, and immunogenicity assessed by intraperitoneal exposure in BALB/c mice. Results rmHSP70 was shown to bind preferentially to aggregates of both mAbs, but not to the native, monomeric proteins. Aggregates supplemented with 0.1% rmHSP70 induced significantly enhanced IgG2a antibody responses compared with aggregates alone but the effect was not observed for monomeric mAbs. Dendritic cells pulsed with mAb aggregate showed enhanced IFNγ production on co-culture with T cells in the presence of rmHSP70. Conclusion The results indicate a Th1-skewing of the immune response by aggregates and show that murine rmHSP70 selectively modulates the immune response to mAb aggregates, but not monomer. These data suggest that heat shock protein impurities can selectively accumulate by binding to mAb aggregates and thus influence immunogenic responses to therapeutic proteins. Electronic supplementary material The online version of this article (10.1007/s11095-019-2586-7) contains supplementary material, which is available to authorized users.
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26
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Hemati A, Azarnia M, Hossein Modarressi M, Rahimi A. Obtaining and characterization of anti-testis monoclonal antibodies: Invaluable tools toward the identification of testis antigens involved in fertilization. Hum Antibodies 2018; 26:209-218. [PMID: 29889062 DOI: 10.3233/hab-180340] [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: 12/26/2022]
Abstract
BACKGROUND Generation and utilization of the specific monoclonal antibodies against testis antigens is reported to identify the antigens that are important in reproductive field. OBJECTIVE Current study aimed to introduce a hybridoma that producing a specific anti-testis monoclonal antibody to identify the testis antigens that can be important in the reproduction field. METHODS To make hybridoma against testis antigens, mice were immunized with testis cell lysate. After cell fusion, resulted hybridomas were screened by indirect ELISA, then cloned by limiting dilution and finally the produced monoclonal antibody were characterized by some of the molecular laboratory techniques such as immunohistochemistry, immunocytochemistry and western blot. RESULTS By using hybridoma technique, cell fusion was performed and ten (8A11, 8D6, 8D7, 9F6, 9G11, 10C3, 10B3, 10B2, 10C2 and 10H7) antibodies specific to the testis antigens were produced finally. Among the produced antibodies, 10C3 was found to cross-react with testis, but not detected in other tissues. mAb 10C3 recognized the sperm and testis antigens, specifically the intertestitial tissue of testis, spermatogonia, primary and secondary spermatocyte antigens, so they were most likely the target of generated mAb. Also our mAb could totally detect the mouse sperm antigens and the specific antigens of head and tail of human sperm. In western blotting analysis, mAb 10C3 could recognize the specific protein bands of sperm and testis extracts. Also in this study the testis specific genes that were target of generated mAb, were selected according to the mouse EST profile available at UniGene part of NCBI. CONCLUSIONS So this stable anti-testis mAb has a potential for laboratory researches and also for diagnostic procedures in fertilization. Thus it could be exploited as a suitable tool for target-specific diagnosis and research in several diseases.
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Affiliation(s)
- Atefeh Hemati
- Department of Cell and Molecular Biology, School of Biological Sciences, Kharazmi University, Tehran, Iran
| | - Mahnaz Azarnia
- Department of Cell and Molecular Biology, School of Biological Sciences, Kharazmi University, Tehran, Iran
| | | | - Amir Rahimi
- Bioinformatics and Computational Biology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.,Department of Molecular Medicine, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
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27
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Therapeutic targeting of angiogenesis molecular pathways in angiogenesis-dependent diseases. Biomed Pharmacother 2018; 110:775-785. [PMID: 30554116 DOI: 10.1016/j.biopha.2018.12.022] [Citation(s) in RCA: 150] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 12/02/2018] [Accepted: 12/05/2018] [Indexed: 02/06/2023] Open
Abstract
Angiogenesis is a critical step in the progression of almost all human malignancies and some other life-threatening diseases. Anti-angiogenic therapy is a novel and effective approach for treatment of angiogenesis-dependent diseases such as cancer, diabetic retinopathy, and age-related macular degeneration. In this article, we will review the main strategies developed for anti-angiogenic therapies beside their clinical applications, the major challenges, and the latest advances in the development of anti-angiogenesis-based targeted therapies.
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28
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Ghagane SC, Puranik SI, Gan SH, Hiremath MB, Nerli RB, Ravishankar MV. Frontiers of monoclonal antibodies: Applications in medical practices. Hum Antibodies 2018; 26:135-142. [PMID: 29060935 DOI: 10.3233/hab-170331] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
With the flourishing of innovation in drug discovery into a new era of personalized therapy, the use of monoclonal antibodies (mAbs) in the treatment of various ailments lies at the forefront. Major improvements in genetic sequencing and biomedical techniques as well as research into mAbs emphasize on determining new targets for advanced therapy while maximizing efficacy for clinical application. However, a balance has to be achieved concerning developing a target with low toxicity combined with high specificity and versatility, to allow a specific antibody to facilitate several biotic effects, ranging from neutralization of virus mechanisms to modulation of immune response and maintaining low global economic cost. Presently, there are approximately 30 mAbs' permitted for therapeutic use with many more being tested in clinical trials. Nevertheless, the heavy cost of mAbs' production, stowage and management as well as the subsequent hindrances to their development are outweighed by mAbs' clinical advantages. Compared to conventional drugs, since mAbs use as pharmacologic iotas have specific physical features and modes of action, they should be considered as a discrete therapeutic category. In this review, the history of mAb generation and the innovative technological applications of mAbs that has advanced in clinical practices is reviewed.
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Affiliation(s)
- Shridhar C Ghagane
- Department of Urology, KLES Kidney Foundation, KLES Dr. Prabhakar Kore Hospital & Medical Research Centre, Belagavi-590010, India.,Department of Biotechnology and Microbiology, Karnatak University, Dharwad-580003, India
| | - Sridevi I Puranik
- Department of Biotechnology and Microbiology, Karnatak University, Dharwad-580003, India.,Department of Biotechnology, KLES R. L. Science Institute (Autonomous), Belagavi-590001, India
| | - Siew Hua Gan
- School of Medical Sciences, USM, 16150, Kubang Kerian, Kelantan, Malaysia
| | - Murigendra B Hiremath
- Department of Biotechnology and Microbiology, Karnatak University, Dharwad-580003, India
| | - R B Nerli
- Department of Urology, KLE University's JN Medical College, KLES Kidney Foundation, KLES Dr. Prabhakar Kore Hospital & Medical Research Centre, Belagavi-590010, India
| | - M V Ravishankar
- Department of Anatomy USM-KLE, IMP, JNMC Campus, Nehru Nagar, Belagavi, India
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Kozma B, Salgó A, Gergely S. Comparison of multivariate data analysis techniques to improve glucose concentration prediction in mammalian cell cultivations by Raman spectroscopy. J Pharm Biomed Anal 2018; 158:269-279. [DOI: 10.1016/j.jpba.2018.06.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 05/23/2018] [Accepted: 06/02/2018] [Indexed: 10/14/2022]
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Wu X, Demarest SJ. Building blocks for bispecific and trispecific antibodies. Methods 2018; 154:3-9. [PMID: 30172007 DOI: 10.1016/j.ymeth.2018.08.010] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Revised: 08/23/2018] [Accepted: 08/25/2018] [Indexed: 01/07/2023] Open
Abstract
Bispecific antibodies (BsAbs), which target two antigens or epitopes, incorporate the specificities and properties of two distinct monoclonal antibodies (mAbs) into a single molecule. As such, BsAbs can elicit synergistic activities and provide the capacity for enhanced therapeutic efficacy and/or safety compared to what can be achieved with conventional monospecific IgGs. There are many building block formats to generate BsAbs and Trispecific antibodies (TsAbs) based on combining the antigen recognition domains of monoclonal antibodies (mAbs). This review describes the many and varied antibody-based building blocks used to achieve multivalency and multispecificity. These diverse building blocks provide opportunities to tailor the design of BsAbs and TsAbs to match the desired applications.
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Affiliation(s)
- Xiufeng Wu
- Lilly Biotechnology Center, 10290 Campus Point Dr., San Diego, CA 92121, United States.
| | - Stephen J Demarest
- Lilly Biotechnology Center, 10290 Campus Point Dr., San Diego, CA 92121, United States
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Zacchigna S, Giacca M. The global role of biotechnology for non communicable disorders. J Biotechnol 2018; 283:115-119. [PMID: 30077584 DOI: 10.1016/j.jbiotec.2018.07.043] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Revised: 07/06/2018] [Accepted: 07/31/2018] [Indexed: 01/07/2023]
Abstract
The World Health Organization (WHO) has tagged non-communicable diseases (NCDs) as one of the twenty-first century's major development challenges. NCDs account for over 15 million deaths annually and over 80% of those deaths occur in developing countries and among the poorest populations. Biotechnology presents unique opportunities to improve the early diagnosis and the treatment of NCDs. This review describes the major applications of biotechnology for a better clinical management of NCDs, i.e. the implementation of innovative diagnostic approaches and the production of innovative treatments, including those based on monoclonal antibodies, recombinant proteins, regulatory nucleic acids and cell-based therapies for regenerative medicine. In this context, it also examines the major challenges faced by biotechnology in developing countries.
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Affiliation(s)
- Serena Zacchigna
- International Center for Genetic Engineering and Biotechnology (ICGEB), Trieste, Italy.
| | - Mauro Giacca
- International Center for Genetic Engineering and Biotechnology (ICGEB), Trieste, Italy
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Chaisri U, Chaicumpa W. Evolution of Therapeutic Antibodies, Influenza Virus Biology, Influenza, and Influenza Immunotherapy. BIOMED RESEARCH INTERNATIONAL 2018; 2018:9747549. [PMID: 29998138 PMCID: PMC5994580 DOI: 10.1155/2018/9747549] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Revised: 03/19/2018] [Accepted: 03/31/2018] [Indexed: 02/07/2023]
Abstract
This narrative review article summarizes past and current technologies for generating antibodies for passive immunization/immunotherapy. Contemporary DNA and protein technologies have facilitated the development of engineered therapeutic monoclonal antibodies in a variety of formats according to the required effector functions. Chimeric, humanized, and human monoclonal antibodies to antigenic/epitopic myriads with less immunogenicity than animal-derived antibodies in human recipients can be produced in vitro. Immunotherapy with ready-to-use antibodies has gained wide acceptance as a powerful treatment against both infectious and noninfectious diseases. Influenza, a highly contagious disease, precipitates annual epidemics and occasional pandemics, resulting in high health and economic burden worldwide. Currently available drugs are becoming less and less effective against this rapidly mutating virus. Alternative treatment strategies are needed, particularly for individuals at high risk for severe morbidity. In a setting where vaccines are not yet protective or available, human antibodies that are broadly effective against various influenza subtypes could be highly efficacious in lowering morbidity and mortality and controlling unprecedented epidemic/pandemic. Prototypes of human single-chain antibodies to several conserved proteins of influenza virus with no Fc portion (hence, no ADE effect in recipients) are available. These antibodies have high potential as a novel, safe, and effective anti-influenza agent.
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Affiliation(s)
- Urai Chaisri
- Department of Tropical Pathology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Wanpen Chaicumpa
- Center of Research Excellence on Therapeutic Proteins and Antibody Engineering, Department of Parasitology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Chung HH, Buck L, Daris K, Welborn B, Luo Q, Wypych J. Investigation of the free heavy chain homodimers of a monoclonal antibody. Biotechnol Prog 2018; 34:738-745. [DOI: 10.1002/btpr.2611] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Revised: 01/05/2018] [Indexed: 12/18/2022]
Affiliation(s)
- Hyo Helen Chung
- Dept. of Process Development; Amgen Inc.; Thousand Oaks CA 91320
| | - Lynette Buck
- Dept. of Process Development; Amgen Inc.; Thousand Oaks CA 91320
| | - Kristi Daris
- Dept. of Process Development; Amgen Inc.; Thousand Oaks CA 91320
| | - Brent Welborn
- Dept. of Process Development; Amgen Inc.; Thousand Oaks CA 91320
| | - Quanzhou Luo
- Dept. of Process Development; Amgen Inc.; Thousand Oaks CA 91320
| | - Jette Wypych
- Dept. of Process Development; Amgen Inc.; Thousand Oaks CA 91320
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Kang H, Jeong S, Jo A, Chang H, Yang JK, Jeong C, Kyeong S, Lee YW, Samanta A, Maiti KK, Cha MG, Kim TK, Lee S, Jun BH, Chang YT, Chung J, Lee HY, Jeong DH, Lee YS. Ultrasensitive NIR-SERRS Probes with Multiplexed Ratiometric Quantification for In Vivo Antibody Leads Validation. Adv Healthc Mater 2018; 7. [PMID: 29195032 DOI: 10.1002/adhm.201700870] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Revised: 10/05/2017] [Indexed: 11/06/2022]
Abstract
Immunotargeting ability of antibodies may show significant difference between in vitro and in vivo. To select antibody leads with high affinity and specificity, it is necessary to perform in vivo validation of antibody candidates following in vitro antibody screening. Herein, a robust in vivo validation of anti-tetraspanin-8 antibody candidates against human colon cancer using ratiometric quantification method is reported. The validation is performed on a single mouse and analyzed by multiplexed surface-enhanced Raman scattering using ultrasensitive and near infrared (NIR)-active surface-enhanced resonance Raman scattering nanoprobes (NIR-SERRS dots). The NIR-SERRS dots are composed of NIR-active labels and Au/Ag hollow-shell assembled silica nanospheres. A 93% of NIR-SERRS dots is detectable at a single-particle level and signal intensity is 100-fold stronger than that from nonresonant molecule-labeled spherical Au NPs (80 nm). The result of SERRS-based antibody validation is comparable to that of the conventional method using single-photon-emission computed tomography. The NIR-SERRS-based strategy is an alternate validation method which provides cost-effective and accurate multiplexing measurements for antibody-based drug development.
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Affiliation(s)
- Homan Kang
- Interdisciplinary Program in Nano-Science and Technology; Seoul National University; Seoul 08826 Republic of Korea
| | - Sinyoung Jeong
- Department of Chemistry Education; Seoul National University; Seoul 08826 Republic of Korea
| | - Ahla Jo
- Department of Nuclear Medicine; Seoul National University Bundang Hospital; Seongnam 13620 Republic of Korea
| | - Hyejin Chang
- Department of Chemistry Education; Seoul National University; Seoul 08826 Republic of Korea
| | - Jin-Kyoung Yang
- School of Chemical and Biological Engineering; Seoul National University; Seoul 08826 Republic of Korea
| | - Cheolhwan Jeong
- School of Chemical and Biological Engineering; Seoul National University; Seoul 08826 Republic of Korea
| | - San Kyeong
- School of Chemical and Biological Engineering; Seoul National University; Seoul 08826 Republic of Korea
| | - Youn Woo Lee
- Department of Nuclear Medicine; Seoul National University Bundang Hospital; Seongnam 13620 Republic of Korea
| | - Animesh Samanta
- Department of Chemistry and MedChem Program of Life Sciences Institute; National University of Singapore; Singapore 117543 Singapore
| | - Kaustabh Kumar Maiti
- Department of Chemistry and MedChem Program of Life Sciences Institute; National University of Singapore; Singapore 117543 Singapore
| | - Myeong Geun Cha
- Department of Chemistry Education; Seoul National University; Seoul 08826 Republic of Korea
| | - Taek-Keun Kim
- Laboratory of Molecular Cancer Therapeutics; Scripps Korea Antibody Institute; Hyoja-2-dong Chuncheon-si Gangwon-do 24341 Republic of Korea
| | - Sukmook Lee
- Laboratory of Molecular Cancer Therapeutics; Scripps Korea Antibody Institute; Hyoja-2-dong Chuncheon-si Gangwon-do 24341 Republic of Korea
| | - Bong-Hyun Jun
- Department of Bioscience and Biotechnology; Konkuk University; Seoul 05029 Republic of Korea
| | - Young-Tae Chang
- Department of Chemistry; Pohang University of Science and Technology (POSTECH); Pohang 37673 Republic of Korea
| | - Junho Chung
- Cancer Research Institute; Seoul National University College of Medicine; Seoul 03080 Republic of Korea
| | - Ho-Young Lee
- Department of Nuclear Medicine; Seoul National University Bundang Hospital; Seongnam 13620 Republic of Korea
| | - Dae Hong Jeong
- Interdisciplinary Program in Nano-Science and Technology; Seoul National University; Seoul 08826 Republic of Korea
- Department of Chemistry Education; Seoul National University; Seoul 08826 Republic of Korea
| | - Yoon-Sik Lee
- Interdisciplinary Program in Nano-Science and Technology; Seoul National University; Seoul 08826 Republic of Korea
- School of Chemical and Biological Engineering; Seoul National University; Seoul 08826 Republic of Korea
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35
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Sousa F, Fonte P, Cruz A, Kennedy PJ, Pinto IM, Sarmento B. Polyester-Based Nanoparticles for the Encapsulation of Monoclonal Antibodies. Methods Mol Biol 2018; 1674:239-253. [PMID: 28921443 DOI: 10.1007/978-1-4939-7312-5_20] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Aliphatic polyesters have been widely explored for biomedical applications (e.g., drug delivery systems, biomedical devices, and tissue engineering). Recently, polyesters have been used in nanoparticle formulations for the controlled release of monoclonal antibodies (mAbs) for the enhanced efficacy of antibody-based therapy. Polyester-based nanoparticles for mAb delivery provide decreased antibody dosage, increased antibody stability and protection and longer therapeutic action, ultimately translating to an increased therapeutic index. Additionally, nanoencapsulation holds the potential for the selective cellular recognition and internalization of mAbs, in the disease context when intracellular organelles and molecules (e.g., enzymes, transcription factors and oncogenic proteins) are the preferred target. We present here a detailed method to prepare mAb-loaded polyester-based nanoparticles and the various techniques to characterize the resulting nanoparticles and mAb structure. Finally, we highlight different biological approaches to assess the in vitro bioactivity of the antibody upon nanoparticle release.
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Affiliation(s)
- Flávia Sousa
- i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen 208, 4200-393, Porto, Portugal
- INEB-Instituto Nacional de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen 208, 4200-393, Porto, Portugal
- ICBAS-Instituto Ciências Biomédicas Abel Salazar, Universidade do Porto, 4150-180, Porto, Portugal
- CESPU-Instituto de Investigação e Formação Avançada em Ciências e Tecnologias da Saúde, Rua Central de Gandra 1317, 4585-116, Gandra, PRD, Portugal
| | - Pedro Fonte
- UCIBIO, REQUIMTE, Department of Chemical Sciences-Applied Chemistry Lab, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal
| | - Andreia Cruz
- INL, International Iberian Nanotechnology Laboratory, Avenida Mestre José Veiga, 4715-330, Braga, Portugal
| | - Patrick J Kennedy
- i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen 208, 4200-393, Porto, Portugal
- INEB-Instituto Nacional de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen 208, 4200-393, Porto, Portugal
- ICBAS-Instituto Ciências Biomédicas Abel Salazar, Universidade do Porto, 4150-180, Porto, Portugal
- IPATIMUP-Instituto de Patologia e Imunologia Molecular da Universidade do Porto, Rua Alfredo Allen 208, 4200-393, Porto, Portugal
| | - Inês Mendes Pinto
- INL, International Iberian Nanotechnology Laboratory, Avenida Mestre José Veiga, 4715-330, Braga, Portugal
| | - Bruno Sarmento
- i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen 208, 4200-393, Porto, Portugal.
- INEB-Instituto Nacional de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen 208, 4200-393, Porto, Portugal.
- ICBAS-Instituto Ciências Biomédicas Abel Salazar, Universidade do Porto, 4150-180, Porto, Portugal.
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36
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Arbabi-Ghahroudi M. Camelid Single-Domain Antibodies: Historical Perspective and Future Outlook. Front Immunol 2017; 8:1589. [PMID: 29209322 PMCID: PMC5701970 DOI: 10.3389/fimmu.2017.01589] [Citation(s) in RCA: 126] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Accepted: 11/03/2017] [Indexed: 11/13/2022] Open
Abstract
Tremendous effort has been expended over the past two and a half decades to understand many aspects of camelid heavy chain antibodies, from their biology, evolution, and immunogenetics to their potential applications in various fields of research and medicine. In this article, I present a historical perspective on the development of camelid single-domain antibodies (sdAbs or VHHs, also widely known as nanobodies) since their discovery and discuss the advantages and disadvantages of these unique molecules in various areas of research, industry, and medicine. Commercialization of camelid sdAbs exploded in 2001 with a flurry of patents issued to the Vrije Universiteit Brussel (VUB) and later taken on by the Vlaams Interuniversitair Instituut voor Biotechnologie (VIB) and, after 2002, the VIB-founded spin-off company, Ablynx. While entrepreneurial spirit has certainly catalyzed the exploration of nanobodies as marketable products, IP restrictions may be partially responsible for the relatively long time span between the discovery of these biomolecules and their entry into the pharmaceutical market. It is now anticipated that the first VHH-based antibody drug, Caplacizumab, a bivalent anti-vWF antibody for treating rare blood clotting disorders, may be approved and commercialized in 2018 or shortly thereafter. This elusive first approval, along with the expiry of key patents, may substantially alter the scientific and biomedical landscape surrounding camelid sdAbs and pave the way for their emergence as mainstream biotherapeutics.
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Affiliation(s)
- Mehdi Arbabi-Ghahroudi
- Human Health Therapeutics Research Centre, National Research Council Canada, Ottawa, ON, Canada.,Department of Biology, Carleton University, Ottawa, ON, Canada
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37
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Qu M, An B, Shen S, Zhang M, Shen X, Duan X, Balthasar JP, Qu J. Qualitative and quantitative characterization of protein biotherapeutics with liquid chromatography mass spectrometry. MASS SPECTROMETRY REVIEWS 2017; 36:734-754. [PMID: 27097288 DOI: 10.1002/mas.21500] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2016] [Accepted: 03/02/2016] [Indexed: 06/05/2023]
Abstract
In the last decade, the advancement of liquid chromatography mass spectrometry (LC/MS) techniques has enabled their broad application in protein characterization, both quantitatively and qualitatively. Owing to certain important merits of LC/MS techniques (e.g., high selectivity, flexibility, and rapid method development), LC/MS assays are often deemed as preferable alternatives to conventional methods (e.g., ligand-binding assays) for the analysis of protein biotherapeutics. At the discovery and development stages, LC/MS is generally employed for two purposes absolute quantification of protein biotherapeutics in biological samples and qualitative characterization of proteins. For absolute quantification of a target protein in bio-matrices, recent work has led to improvements in the efficiency of LC/MS method development, sample treatment, enrichment and digestion, and high-performance low-flow-LC separation. These advances have enhanced analytical sensitivity, specificity, and robustness. As to qualitative analysis, a range of techniques have been developed to characterize intramolecular disulfide bonds, glycosylation, charge variants, primary sequence heterogeneity, and the drug-to-antibody ratio of antibody drug conjugate (ADC), which has enabled a refined ability to assess product quality. In this review, we will focus on the discussion of technical challenges and strategies of LC/MS-based quantification and characterization of biotherapeutics, with the emphasis on the analysis of antibody-based biotherapeutics such as monoclonal antibodies (mAbs) and ADCs. © 2016 Wiley Periodicals, Inc. Mass Spec Rev 36:734-754, 2017.
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Affiliation(s)
- Miao Qu
- Beijing University of Chinese Medicine, Beijing, 100029, China
- Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, University at Buffalo, State University of New York, Buffalo, NY, 14214
- New York State Center of Excellence in Bioinformatics and Life Sciences, Buffalo, NY, 14203
| | - Bo An
- Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, University at Buffalo, State University of New York, Buffalo, NY, 14214
- New York State Center of Excellence in Bioinformatics and Life Sciences, Buffalo, NY, 14203
| | - Shichen Shen
- Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, University at Buffalo, State University of New York, Buffalo, NY, 14214
- New York State Center of Excellence in Bioinformatics and Life Sciences, Buffalo, NY, 14203
| | - Ming Zhang
- Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, University at Buffalo, State University of New York, Buffalo, NY, 14214
- New York State Center of Excellence in Bioinformatics and Life Sciences, Buffalo, NY, 14203
| | - Xiaomeng Shen
- Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, University at Buffalo, State University of New York, Buffalo, NY, 14214
- New York State Center of Excellence in Bioinformatics and Life Sciences, Buffalo, NY, 14203
| | - Xiaotao Duan
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing, 100850, China
| | - Joseph P Balthasar
- Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, University at Buffalo, State University of New York, Buffalo, NY, 14214
| | - Jun Qu
- Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, University at Buffalo, State University of New York, Buffalo, NY, 14214
- New York State Center of Excellence in Bioinformatics and Life Sciences, Buffalo, NY, 14203
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Dion MZ, Wang YJ, Bregante D, Chan W, Andersen N, Hilderbrand A, Leiske D, Salisbury CM. The Use of a 2,2'-Azobis (2-Amidinopropane) Dihydrochloride Stress Model as an Indicator of Oxidation Susceptibility for Monoclonal Antibodies. J Pharm Sci 2017; 107:550-558. [PMID: 28989015 DOI: 10.1016/j.xphs.2017.09.022] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 09/06/2017] [Accepted: 09/19/2017] [Indexed: 02/06/2023]
Abstract
Protein oxidation is a major pathway for degradation of biologic drug products. Past literature reports have suggested that 2,2-azobis (2-amidinopropane) dihydrochloride (AAPH), a free radical generator that produces alkoxyl and alkyl peroxyl radicals, is a useful model reagent stress for assessing the oxidative susceptibility of proteins. Here, we expand the applications of the AAPH model by pairing it with a rapid peptide map method to enable site-specific studies of oxidative susceptibility of monoclonal antibodies and their derivatives for comparison between formats, the evaluation of formulation components, and comparisons across the stress models. Comparing the free radical-induced oxidation model by AAPH with a light-induced oxidation model suggests that light-sensitive residues represent a subset of AAPH-sensitive residues and therefore AAPH can be used as a preliminary screen to highlight molecules that need further assessment by light models. In sum, these studies demonstrate that AAPH stress can be used in multiple ways to evaluate labile residues and oxidation sensitivity as it pertains to developability and manufacturability.
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Affiliation(s)
- Michelle Z Dion
- Early Stage Pharmaceutical Development, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080
| | - Y John Wang
- Late Stage Pharmaceutical Development, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080
| | - Daniel Bregante
- Analytical Operations, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080
| | - Wayman Chan
- Analytical Operations, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080
| | - Nisana Andersen
- Protein Analytical Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080
| | - Amy Hilderbrand
- Protein Analytical Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080
| | - Danielle Leiske
- Early Stage Pharmaceutical Development, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080.
| | - Cleo M Salisbury
- Early Stage Pharmaceutical Development, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080; Protein Analytical Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080.
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Jooß K, Hühner J, Kiessig S, Moritz B, Neusüß C. Two-dimensional capillary zone electrophoresis–mass spectrometry for the characterization of intact monoclonal antibody charge variants, including deamidation products. Anal Bioanal Chem 2017; 409:6057-6067. [DOI: 10.1007/s00216-017-0542-0] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 07/14/2017] [Accepted: 07/20/2017] [Indexed: 12/16/2022]
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40
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Kong X, Wan JB, Hu H, Su S, Hu Y. Evolving patterns in a collaboration network of global R&D on monoclonal antibodies. MAbs 2017; 9:1041-1051. [PMID: 28737444 DOI: 10.1080/19420862.2017.1356527] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Abstract
We investigated the evolution process of collaborative inter-organizational network of the research and development (R&D) on monoclonal antibody (mAb) over the past 30 y. The annual detection of the collaboration network provides dynamics on network structures and relationship changes among different organizations. Our research showed continuous growth of the network's scale and complexity due to the constant entry of new organizations and the forging of new partnering relationships. The evolving topological features reveal a core-periphery structure that became clearer over time and an increasing heterogeneity within the collaborative mAb R&D network. As measured by the number of network participants, dedicated biotechnology firms (DBFs) were the dominant organization form in the field of mAb development, but their average centrality was reduced during the period of 2004-2009, when pharmaceutical companies took over the positions of DBFs. Along with the network evolution, 2 waves of substitution on the leading positions were driven by technological innovations and mergers and acquisitions (M&A). In addition, this study analyzed organizational-level behaviors to help understand the evolution of network structures over the field of mAb development across the different technologically innovative or economic contexts.
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Affiliation(s)
- Xiangjun Kong
- a State Key Laboratory of Quality Research in Chinese Medicine , Institute of Chinese Medical Sciences, University of Macau , Macau , China
| | - Jian-Bo Wan
- a State Key Laboratory of Quality Research in Chinese Medicine , Institute of Chinese Medical Sciences, University of Macau , Macau , China
| | - Hao Hu
- a State Key Laboratory of Quality Research in Chinese Medicine , Institute of Chinese Medical Sciences, University of Macau , Macau , China
| | - Shibing Su
- b Research Center for Traditional Chinese Medicine Complexity System , Shanghai University of Traditional Chinese Medicine , Shanghai , China
| | - Yuanjia Hu
- a State Key Laboratory of Quality Research in Chinese Medicine , Institute of Chinese Medical Sciences, University of Macau , Macau , China
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41
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Rocha-Pizaña MDR, Ascencio-Favela G, Soto-García BM, Martinez-Fierro MDLL, Alvarez MM. Evaluation of changes in promoters, use of UCOES and chain order to improve the antibody production in CHO cells. Protein Expr Purif 2017; 132:108-115. [DOI: 10.1016/j.pep.2017.01.014] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2016] [Revised: 01/30/2017] [Accepted: 01/31/2017] [Indexed: 11/26/2022]
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42
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43
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Nematpour F, Mahboudi F, Vaziri B, Khalaj V, Ahmadi S, Ahmadi M, Ebadat S, Davami F. Evaluating the expression profile and stability of different UCOE containing vector combinations in mAb-producing CHO cells. BMC Biotechnol 2017; 17:18. [PMID: 28228095 PMCID: PMC5322649 DOI: 10.1186/s12896-017-0330-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Accepted: 02/03/2017] [Indexed: 12/03/2022] Open
Abstract
Background As the demand for monoclonal antibodies (mAb) increases, more efficient expression methods are required for their manufacturing process. Transcriptional gene silencing is a common phenomenon in recombinant cell lines which leads to expression reduction and instability. There are reports on improved antibody expression in ubiquitous chromatin opening element (UCOE) containing both heavy and light chain gene constructs. Here we investigate the impact of having these elements as part of the light chain, heavy chain or both genes during cell line development. In this regard, non-UCOE and UCOE vectors were constructed and stable Chinese hamster ovary (CHO) cell pools were generated by different vector combinations. Results Expression analysis revealed that all UCOE cell pools had higher antibody yields compared to non-UCOE cells, Moreover the most optimal expression was obtained by cells containing just the UCOE on heavy chain. In terms of stability, it was shown that the high level of expression was kept consistence for more than four months in these cells whereas the expression titers were reduced in the other UCOE pools. Conclusions In conclusion, UCOE significantly enhanced the level and stability of antibody expression and the use of this element with heavy chain provided more stable cell lines with higher production level.
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Affiliation(s)
- Fatemeh Nematpour
- Biotechnology Research Center, Pasteur Institute of Iran, Tehran, 1316943551, Iran
| | - Fereidoun Mahboudi
- Biotechnology Research Center, Pasteur Institute of Iran, Tehran, 1316943551, Iran
| | - Behrouz Vaziri
- Biotechnology Research Center, Pasteur Institute of Iran, Tehran, 1316943551, Iran
| | - Vahid Khalaj
- Biotechnology Research Center, Pasteur Institute of Iran, Tehran, 1316943551, Iran
| | - Samira Ahmadi
- Biotechnology Research Center, Pasteur Institute of Iran, Tehran, 1316943551, Iran
| | - Maryam Ahmadi
- Biotechnology Research Center, Pasteur Institute of Iran, Tehran, 1316943551, Iran.,Departments of Medical Biotechnology, Semnan University of Medical Sciences, Semnan, 3519899951, Iran
| | - Saedeh Ebadat
- Biotechnology Research Center, Pasteur Institute of Iran, Tehran, 1316943551, Iran
| | - Fatemeh Davami
- Biotechnology Research Center, Pasteur Institute of Iran, Tehran, 1316943551, Iran.
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Thomson AS, Mai S, Byrne MP. A novel approach to characterize host cell proteins associated with therapeutic monoclonal antibodies. Biotechnol Bioeng 2017; 114:1208-1214. [DOI: 10.1002/bit.26256] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Revised: 01/05/2017] [Accepted: 01/16/2017] [Indexed: 01/20/2023]
Affiliation(s)
- Andrew S. Thomson
- R&D Platform Technology & Science; GlaxoSmithKline; King of Prussia Pennsylvania 19406
| | - Shing Mai
- R&D Platform Technology & Science; GlaxoSmithKline; King of Prussia Pennsylvania 19406
| | - Michael P. Byrne
- R&D Platform Technology & Science; GlaxoSmithKline; King of Prussia Pennsylvania 19406
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Allahyari H, Heidari S, Ghamgosha M, Saffarian P, Amani J. Immunotoxin: A new tool for cancer therapy. Tumour Biol 2017; 39:1010428317692226. [DOI: 10.1177/1010428317692226] [Citation(s) in RCA: 82] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Cancer is one of the main reasons of death in the most countries and in Iran. Immunotherapy quickly became one of the best methods of cancer treatment, along with chemotherapy and radiation. “Immunotoxin Therapy” is a promising way of cancer therapy that is mentioned in this field. Immunotoxins are made from a toxin attaching to an antibody target proteins present on cancer cells. The first-generation immunotoxins were made of a full-length toxin attached to whole monoclonal antibodies. But, these immunotoxins could bind to normal cells. DAB389IL2 was the first immunotoxin approved by the Food and Drug Administration. Current trends and researches are ongoing on finding proteins that in combination with immunotoxins have minimal immunogenicity and the most potency for target cell killing.
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Affiliation(s)
- Hossein Allahyari
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Sahar Heidari
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Mehdi Ghamgosha
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Parvaneh Saffarian
- Department of Microbiology, Tehran Medical Branch, Islamic Azad University, Tehran, Iran
| | - Jafar Amani
- Applied Microbiology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
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Matsuzaki Y, Kudo D, Kojima T, Kawai-Noma S, Umeno D, Saito K. Preparation of Cation-Exchange Fibers with High Protein-Binding Capacities by Pre-Irradiation Induced Emulsion Graft Polymerization. KAGAKU KOGAKU RONBUN 2017. [DOI: 10.1252/kakoronbunshu.43.88] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yuka Matsuzaki
- Department of Applied Chemistry and Biotechnology, Chiba University
| | - Daiki Kudo
- Department of Applied Chemistry and Biotechnology, Chiba University
| | - Takashi Kojima
- Department of Applied Chemistry and Biotechnology, Chiba University
| | | | - Daisuke Umeno
- Department of Applied Chemistry and Biotechnology, Chiba University
| | - Kyoichi Saito
- Department of Applied Chemistry and Biotechnology, Chiba University
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Choong YS, Lee YV, Soong JX, Law CT, Lim YY. Computer-Aided Antibody Design: An Overview. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 1053:221-243. [PMID: 29549642 DOI: 10.1007/978-3-319-72077-7_11] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The use of monoclonal antibody as the next generation protein therapeutics with remarkable success has surged the development of antibody engineering to design molecules for optimizing affinity, better efficacy, greater safety and therapeutic function. Therefore, computational methods have become increasingly important to generate hypotheses, interpret and guide experimental works. In this chapter, we discussed the overall antibody design by computational approches.
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Affiliation(s)
- Yee Siew Choong
- Institute for Research in Molecular Medicine, Universiti Sains Malaysia, Minden, Penang, Malaysia.
| | - Yie Vern Lee
- Institute for Research in Molecular Medicine, Universiti Sains Malaysia, Minden, Penang, Malaysia
| | - Jia Xin Soong
- Institute for Research in Molecular Medicine, Universiti Sains Malaysia, Minden, Penang, Malaysia
| | - Cheh Tat Law
- Institute for Research in Molecular Medicine, Universiti Sains Malaysia, Minden, Penang, Malaysia
| | - Yee Ying Lim
- Institute for Research in Molecular Medicine, Universiti Sains Malaysia, Minden, Penang, Malaysia
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NEMATPOUR F, MAHBOUDI F, KHALAJ V, VAZIRI B, AHMADI S, AHMADI M, EBADAT S, DAVAMI F. Optimization of monoclonal antibody expression in CHOcells by employing epigenetic gene regulation tools. Turk J Biol 2017. [DOI: 10.3906/biy-1702-18] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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Persson N, Jansson B, Stuhr-Hansen N, Kovács A, Welinder C, Danielsson L, Blixt O. A Combinatory Antibody-Antigen Microarray Assay for High-Content Screening of Single-Chain Fragment Variable Clones from Recombinant Libraries. PLoS One 2016; 11:e0168761. [PMID: 28002485 PMCID: PMC5176327 DOI: 10.1371/journal.pone.0168761] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Accepted: 12/06/2016] [Indexed: 12/30/2022] Open
Abstract
We have developed a combinatory antibody–antigen microarray for direct screening of multiple single-chain fragment variable (scFv) clones with no need for pre-purification or enrichment before screening. The straightforward workflow allows for early selection of binders to predefined peptide and glycopeptide targets. A capture antibody is contact printed on microarray slides, side by side with the antigens of interest. A large number of scFv clones, in supernatants, are printed on top of the capture antibody and the antigen in a “spot-on-spot” print. The printed scFv clones, which bind to the capture antibody, are detected using biotinylated antigen, while the binding of scFv clones to the printed antigen is detected through a mouse anti-tag antibody. Two different analyses are thus performed on the same slide, generating two kinds of information: one on the ability of an individual scFv clone to bind to the soluble form of the antigen, which may favour selection for higher affinity rather than avidity, while the other allows the identification of large numbers of clones, simultaneously, due to the binding of scFv clones to densely presented antigens, thus providing an overall increased hit rate. The functionality of the new screening approach was illustrated through the generation of antibodies against peptides from the chaperone complex Ku70/Ku80 and the GalNAcα-serine/threonine epitope on the IgA1 alpha chain hinge region. In total, 659 scFv clones were screened with a hit rate of approximately 20%. This approach allowed the identification of functional antibodies in both cases, illustrating the usefulness and capacity of this combinatory microarray screening technique for efficient analysis and validation of antibodies at an early stage of antibody generation.
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Affiliation(s)
- Nina Persson
- Chemical Glyco-Biology Laboratory, Department of Chemistry, Copenhagen University, Copenhagen, Denmark
| | - Bo Jansson
- Division of Oncology and Pathology, Department of Clinical Sciences Lund, Lund University, Lund, Sweden
| | - Nicolai Stuhr-Hansen
- Chemical Glyco-Biology Laboratory, Department of Chemistry, Copenhagen University, Copenhagen, Denmark
| | - András Kovács
- Chemical Glyco-Biology Laboratory, Department of Chemistry, Copenhagen University, Copenhagen, Denmark
- Division of Clinical Chemistry and Pharmacology, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Charlotte Welinder
- Division of Oncology and Pathology, Department of Clinical Sciences Lund, Lund University, Lund, Sweden
- Centre of Excellence in Biological and Medical Mass Spectrometry (CEBMMS), Biomedical Centre D13, Lund University, Lund, Sweden
| | - Lena Danielsson
- Division of Clinical Chemistry and Pharmacology, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Ola Blixt
- Chemical Glyco-Biology Laboratory, Department of Chemistry, Copenhagen University, Copenhagen, Denmark
- * E-mail:
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Kizhedath A, Wilkinson S, Glassey J. Applicability of predictive toxicology methods for monoclonal antibody therapeutics: status Quo and scope. Arch Toxicol 2016; 91:1595-1612. [PMID: 27766364 PMCID: PMC5364268 DOI: 10.1007/s00204-016-1876-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Accepted: 10/12/2016] [Indexed: 12/31/2022]
Abstract
Biopharmaceuticals, monoclonal antibody (mAb)-based therapeutics in particular, have positively impacted millions of lives. MAbs and related therapeutics are highly desirable from a biopharmaceutical perspective as they are highly target specific and well tolerated within the human system. Nevertheless, several mAbs have been discontinued or withdrawn based either on their inability to demonstrate efficacy and/or due to adverse effects. Approved monoclonal antibodies and derived therapeutics have been associated with adverse effects such as immunogenicity, cytokine release syndrome, progressive multifocal leukoencephalopathy, intravascular haemolysis, cardiac arrhythmias, abnormal liver function, gastrointestinal perforation, bronchospasm, intraocular inflammation, urticaria, nephritis, neuropathy, birth defects, fever and cough to name a few. The advances made in this field are also impeded by a lack of progress in bioprocess development strategies as well as increasing costs owing to attrition, wherein the lack of efficacy and safety accounts for nearly 60 % of all factors contributing to attrition. This reiterates the need for smarter preclinical development using quality by design-based approaches encompassing carefully designed predictive models during early stages of drug development. Different in vitro and in silico methods are extensively used for predicting biological activity as well as toxicity during small molecule drug development; however, their full potential has not been utilized for biological drug development. The scope of in vitro and in silico tools in early developmental stages of monoclonal antibody-based therapeutics production and how it contributes to lower attrition rates leading to faster development of potential drug candidates has been evaluated. The applicability of computational toxicology approaches in this context as well as the pitfalls and promises of extending such techniques to biopharmaceutical development has been highlighted.
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Affiliation(s)
- Arathi Kizhedath
- Chemical Engineering and Advanced Materials, Newcastle University, Newcastle upon Tyne, NE17RU, UK. .,Medical Toxicology Centre, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, NE2 4AA, UK.
| | - Simon Wilkinson
- Medical Toxicology Centre, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, NE2 4AA, UK
| | - Jarka Glassey
- Chemical Engineering and Advanced Materials, Newcastle University, Newcastle upon Tyne, NE17RU, UK
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