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Foss S, Sakya SA, Aguinagalde L, Lustig M, Shaughnessy J, Cruz AR, Scheepmaker L, Mathiesen L, Ruso-Julve F, Anthi AK, Gjølberg TT, Mester S, Bern M, Evers M, Bratlie DB, Michaelsen TE, Schlothauer T, Sok D, Bhattacharya J, Leusen J, Valerius T, Ram S, Rooijakkers SHM, Sandlie I, Andersen JT. Human IgG Fc-engineering for enhanced plasma half-life, mucosal distribution and killing of cancer cells and bacteria. Nat Commun 2024; 15:2007. [PMID: 38453922 PMCID: PMC10920689 DOI: 10.1038/s41467-024-46321-9] [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] [Received: 04/07/2023] [Accepted: 02/22/2024] [Indexed: 03/09/2024] Open
Abstract
Monoclonal IgG antibodies constitute the fastest growing class of therapeutics. Thus, there is an intense interest to design more potent antibody formats, where long plasma half-life is a commercially competitive differentiator affecting dosing, frequency of administration and thereby potentially patient compliance. Here, we report on an Fc-engineered variant with three amino acid substitutions Q311R/M428E/N434W (REW), that enhances plasma half-life and mucosal distribution, as well as allows for needle-free delivery across respiratory epithelial barriers in human FcRn transgenic mice. In addition, the Fc-engineered variant improves on-target complement-mediated killing of cancer cells as well as both gram-positive and gram-negative bacteria. Hence, this versatile Fc technology should be broadly applicable in antibody design aiming for long-acting prophylactic or therapeutic interventions.
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Affiliation(s)
- Stian Foss
- Department of Immunology, Oslo University Hospital, Rikshospitalet, Oslo, Norway
- Institute of Clinical Medicine, Department of Pharmacology, University of Oslo, Oslo, Norway
- Precision Immunotherapy Alliance (PRIMA), University of Oslo, Oslo, Norway
| | - Siri A Sakya
- Department of Immunology, Oslo University Hospital, Rikshospitalet, Oslo, Norway
- Institute of Clinical Medicine, Department of Pharmacology, University of Oslo, Oslo, Norway
- Precision Immunotherapy Alliance (PRIMA), University of Oslo, Oslo, Norway
| | - Leire Aguinagalde
- Medical Microbiology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Marta Lustig
- Section for Stem Cell Transplantation and Immunotherapy, Department of Medicine II, Christian-Albrechts University Kiel and University Medical Center Schleswig-Holstein, Kiel, Germany
| | - Jutamas Shaughnessy
- Department of Medicine, Division of Infectious Diseases and Immunology, University of Massachusetts Chan Medical School, Worcester, MA, USA
| | - Ana Rita Cruz
- Medical Microbiology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Lisette Scheepmaker
- Medical Microbiology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Line Mathiesen
- Department of Public Health, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Fulgencio Ruso-Julve
- Department of Immunology, Oslo University Hospital, Rikshospitalet, Oslo, Norway
- Institute of Clinical Medicine, Department of Pharmacology, University of Oslo, Oslo, Norway
- Precision Immunotherapy Alliance (PRIMA), University of Oslo, Oslo, Norway
| | - Aina Karen Anthi
- Department of Immunology, Oslo University Hospital, Rikshospitalet, Oslo, Norway
- Institute of Clinical Medicine, Department of Pharmacology, University of Oslo, Oslo, Norway
- Precision Immunotherapy Alliance (PRIMA), University of Oslo, Oslo, Norway
| | - Torleif Tollefsrud Gjølberg
- Department of Immunology, Oslo University Hospital, Rikshospitalet, Oslo, Norway
- Institute of Clinical Medicine, Department of Pharmacology, University of Oslo, Oslo, Norway
- Precision Immunotherapy Alliance (PRIMA), University of Oslo, Oslo, Norway
| | - Simone Mester
- Department of Immunology, Oslo University Hospital, Rikshospitalet, Oslo, Norway
- Institute of Clinical Medicine, Department of Pharmacology, University of Oslo, Oslo, Norway
- Precision Immunotherapy Alliance (PRIMA), University of Oslo, Oslo, Norway
| | - Malin Bern
- Department of Immunology, Oslo University Hospital, Rikshospitalet, Oslo, Norway
- Institute of Clinical Medicine, Department of Pharmacology, University of Oslo, Oslo, Norway
- Precision Immunotherapy Alliance (PRIMA), University of Oslo, Oslo, Norway
| | - Mitchell Evers
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Diane B Bratlie
- Infection Immunology, Norwegian Institute of Public Health, Oslo, Norway
| | - Terje E Michaelsen
- Infection Immunology, Norwegian Institute of Public Health, Oslo, Norway
- Department of Chemical Pharmacy, School of Pharmacy, University of Oslo, Oslo, Norway
| | - Tilman Schlothauer
- Roche Pharma Research and Early Development (pRED), Roche Innovation Center Munich, Munich, Germany
| | - Devin Sok
- International AIDS Vaccine Initiative (IAVI), New York, NY, USA
| | - Jayanta Bhattacharya
- Antibody Translational Research Program, Translational Health Science & Technology Institute, NCR Biotech Science Cluster, Faridabad, India
| | - Jeanette Leusen
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Thomas Valerius
- Section for Stem Cell Transplantation and Immunotherapy, Department of Medicine II, Christian-Albrechts University Kiel and University Medical Center Schleswig-Holstein, Kiel, Germany
| | - Sanjay Ram
- Department of Medicine, Division of Infectious Diseases and Immunology, University of Massachusetts Chan Medical School, Worcester, MA, USA
| | - Suzan H M Rooijakkers
- Medical Microbiology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Inger Sandlie
- Department of Biosciences, University of Oslo, Oslo, Norway
| | - Jan Terje Andersen
- Department of Immunology, Oslo University Hospital, Rikshospitalet, Oslo, Norway.
- Institute of Clinical Medicine, Department of Pharmacology, University of Oslo, Oslo, Norway.
- Precision Immunotherapy Alliance (PRIMA), University of Oslo, Oslo, Norway.
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2
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Alfaleh MA, Alsulaiman RM, Almahboub SA, Nezamuldeen L, Zawawi A, Aljehani ND, Yasir M, Abdulal RH, Alkhaldi R, Helal A, Alamri SS, Malki J, Alhabbab RY, Abujamel TS, Alhakamy NA, Alnami A, Algaissi A, Hassanain M, Hashem AM. ACE2-Fc and DPP4-Fc decoy receptors against SARS-CoV-2 and MERS-CoV variants: a quick therapeutic option for current and future coronaviruses outbreaks. Antib Ther 2024; 7:53-66. [PMID: 38371953 PMCID: PMC10873275 DOI: 10.1093/abt/tbad030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 12/03/2023] [Accepted: 12/05/2023] [Indexed: 02/20/2024] Open
Abstract
The severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) and the Middle East respiratory syndrome coronavirus (MERS-CoV) are highly pathogenic human coronaviruses (CoVs). Anti-CoVs mAbs and vaccines may be effective, but the emergence of neutralization escape variants is inevitable. Angiotensin-converting enzyme 2 and dipeptidyl peptidase 4 enzyme are the getaway receptors for SARS-CoV-2 and MERS-CoV, respectively. Thus, we reformatted these receptors as Fc-fusion decoy receptors. Then, we tested them in parallel with anti-SARS-CoV (ab1-IgG) and anti-MERS-CoV (M336-IgG) mAbs against several variants using pseudovirus neutralization assay. The generated Fc-based decoy receptors exhibited a strong inhibitory effect against all pseudotyped CoVs. Results showed that although mAbs can be effective antiviral drugs, they might rapidly lose their efficacy against highly mutated viruses. We suggest that receptor traps can be engineered as Fc-fusion proteins for highly mutating viruses with known entry receptors, for a faster and effective therapeutic response even against virus harboring antibodies escape mutations.
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Affiliation(s)
- Mohamed A Alfaleh
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21859, Saudi Arabia
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21859, Saudi Arabia
| | - Reem M Alsulaiman
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21859, Saudi Arabia
| | - Sarah A Almahboub
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21859, Saudi Arabia
| | - Leena Nezamuldeen
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21859, Saudi Arabia
| | - Ayat Zawawi
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21859, Saudi Arabia
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21859, Saudi Arabia
| | - Najwa D Aljehani
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21859, Saudi Arabia
| | - Muhammad Yasir
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21859, Saudi Arabia
| | - Rwaa H Abdulal
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21859, Saudi Arabia
| | - Rami Alkhaldi
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21859, Saudi Arabia
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21859, Saudi Arabia
| | - Assala Helal
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21859, Saudi Arabia
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21859, Saudi Arabia
| | - Sawsan S Alamri
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21859, Saudi Arabia
| | - Jana Malki
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21859, Saudi Arabia
| | - Rowa Y Alhabbab
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21859, Saudi Arabia
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21859, Saudi Arabia
| | - Turki S Abujamel
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21859, Saudi Arabia
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21859, Saudi Arabia
| | - Nabil A Alhakamy
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21859, Saudi Arabia
| | - Aisha Alnami
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21859, Saudi Arabia
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21859, Saudi Arabia
| | - Abdullah Algaissi
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21859, Saudi Arabia
- Department of Medical Laboratories Technology, College of Applied Medical Sciences, Jazan University, Jazan, Saudi Arabia
| | - Mazen Hassanain
- Department of Surgery, Faculty of Medicine, King Saud University, Riyadh 11451, Saudi Arabia
| | - Anwar M Hashem
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21859, Saudi Arabia
- Department of Medical Microbiology and Parasitology, Faculty of Medicine, King Abdulaziz University, Jeddah 21859, Saudi Arabia
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Keri D, Walker M, Singh I, Nishikawa K, Garces F. Next generation of multispecific antibody engineering. Antib Ther 2024; 7:37-52. [PMID: 38235376 PMCID: PMC10791046 DOI: 10.1093/abt/tbad027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 10/16/2023] [Accepted: 11/15/2023] [Indexed: 01/19/2024] Open
Abstract
Multispecific antibodies recognize two or more epitopes located on the same or distinct targets. This added capability through protein design allows these man-made molecules to address unmet medical needs that are no longer possible with single targeting such as with monoclonal antibodies or cytokines alone. However, the approach to the development of these multispecific molecules has been met with numerous road bumps, which suggests that a new workflow for multispecific molecules is required. The investigation of the molecular basis that mediates the successful assembly of the building blocks into non-native quaternary structures will lead to the writing of a playbook for multispecifics. This is a must do if we are to design workflows that we can control and in turn predict success. Here, we reflect on the current state-of-the-art of therapeutic biologics and look at the building blocks, in terms of proteins, and tools that can be used to build the foundations of such a next-generation workflow.
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Affiliation(s)
- Daniel Keri
- Department of Protein Therapeutics, Research, Gilead Research, 324 Lakeside Dr, Foster City, CA 94404, USA
| | - Matt Walker
- Department of Protein Therapeutics, Research, Gilead Research, 324 Lakeside Dr, Foster City, CA 94404, USA
| | - Isha Singh
- Department of Protein Therapeutics, Research, Gilead Research, 324 Lakeside Dr, Foster City, CA 94404, USA
| | - Kyle Nishikawa
- Department of Protein Therapeutics, Research, Gilead Research, 324 Lakeside Dr, Foster City, CA 94404, USA
| | - Fernando Garces
- Department of Protein Therapeutics, Research, Gilead Research, 324 Lakeside Dr, Foster City, CA 94404, USA
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4
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Mimoun A, Bou-Jaoudeh M, Delignat S, Daventure V, Reyes Ruiz A, Lecerf M, Azam A, Noe R, Peyron I, Christophe OD, Lenting PJ, Proulle V, McIntosh J, Nathwani AC, Dimitrov JD, Denis CV, Lacroix-Desmazes S. Transplacental delivery of therapeutic proteins by engineered immunoglobulin G: a step toward perinatal replacement therapy. J Thromb Haemost 2023; 21:2405-2417. [PMID: 37271431 DOI: 10.1016/j.jtha.2023.05.021] [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: 01/01/2023] [Revised: 05/02/2023] [Accepted: 05/21/2023] [Indexed: 06/06/2023]
Abstract
BACKGROUND Transplacental delivery of maternal immunoglobulin G (IgG) provides humoral protection during the first months of life until the newborn's immune system reaches maturity. The maternofetal interface has been exploited therapeutically to replace missing enzymes in the fetus, as shown in experimental mucopolysaccharidoses, or to shape adaptive immune repertoires during fetal development and induce tolerance to self-antigens or immunogenic therapeutic molecules. OBJECTIVES To investigate whether proteins that are administered to pregnant mice or endogenously present in their circulation may be delivered through the placenta. METHODS We engineered monovalent immunoglobulin G (FabFc) specific for different domains of human factor VIII (FVIII), a therapeutically relevant model antigen. FabFc was injected with exogenous FVIII into pregnant severe hemophilia A mice or pregnant mice expressing human FVIII following AAV8-mediated gene therapy. FabFc and FVIII were detected in the pregnant mice and/or fetuses by enzyme-linked immunosorbent assay and immunohistochemistry. RESULTS Administration of FabFc to pregnant mice allowed the maternofetal delivery of FVIII in a FcRn-dependent manner. FVIII antigen levels achieved in the fetuses represented 10% of normal plasma levels in the human. We identified antigen/FabFc complex stability, antigen size, and shielding of promiscuous protein patches as key parameters to foster optimal antigen delivery. CONCLUSION Our results pave the way toward the development of novel strategies for the in utero delivery of endogenous maternal proteins to replace genetically deficient fetal proteins or to educate the immune system and favor active immune tolerance upon protein encounter later in life.
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Affiliation(s)
- Angelina Mimoun
- Institut National de la Santé et de la Recherche Médicale, Centre de Recherche des Cordeliers, CNRS, Sorbonne Université, Université Paris Cité, Paris, France
| | - Melissa Bou-Jaoudeh
- Institut National de la Santé et de la Recherche Médicale, Centre de Recherche des Cordeliers, CNRS, Sorbonne Université, Université Paris Cité, Paris, France
| | - Sandrine Delignat
- Institut National de la Santé et de la Recherche Médicale, Centre de Recherche des Cordeliers, CNRS, Sorbonne Université, Université Paris Cité, Paris, France
| | - Victoria Daventure
- Institut National de la Santé et de la Recherche Médicale, Centre de Recherche des Cordeliers, CNRS, Sorbonne Université, Université Paris Cité, Paris, France
| | - Alejandra Reyes Ruiz
- Institut National de la Santé et de la Recherche Médicale, Centre de Recherche des Cordeliers, CNRS, Sorbonne Université, Université Paris Cité, Paris, France
| | - Maxime Lecerf
- Institut National de la Santé et de la Recherche Médicale, Centre de Recherche des Cordeliers, CNRS, Sorbonne Université, Université Paris Cité, Paris, France
| | - Aurélien Azam
- Institut National de la Santé et de la Recherche Médicale, Centre de Recherche des Cordeliers, CNRS, Sorbonne Université, Université Paris Cité, Paris, France
| | - Remi Noe
- Institut National de la Santé et de la Recherche Médicale, Centre de Recherche des Cordeliers, CNRS, Sorbonne Université, Université Paris Cité, Paris, France
| | - Ivan Peyron
- Laboratory for Hemostasis, Inflammation & Thrombosis, Unité Mixed de Recherche, Institut National de la Santé et de la Recherche Médicale, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Olivier D Christophe
- Laboratory for Hemostasis, Inflammation & Thrombosis, Unité Mixed de Recherche, Institut National de la Santé et de la Recherche Médicale, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Peter J Lenting
- Laboratory for Hemostasis, Inflammation & Thrombosis, Unité Mixed de Recherche, Institut National de la Santé et de la Recherche Médicale, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Valérie Proulle
- Institut National de la Santé et de la Recherche Médicale, Centre de Recherche des Cordeliers, CNRS, Sorbonne Université, Université Paris Cité, Paris, France; Service d'Hématologie Biologique, Hôpital Cochin, AP-HP Centre, Paris, France
| | - Jenny McIntosh
- Deparment of Haematology, UCL Cancer Institute, London, UK
| | - Amit C Nathwani
- Deparment of Haematology, UCL Cancer Institute, London, UK; Katherine Dormandy Haemophilia and Thrombosis Unit, Royal Free London NHS Foundation Trust, London, UK
| | - Jordan D Dimitrov
- Institut National de la Santé et de la Recherche Médicale, Centre de Recherche des Cordeliers, CNRS, Sorbonne Université, Université Paris Cité, Paris, France
| | - Cécile V Denis
- Laboratory for Hemostasis, Inflammation & Thrombosis, Unité Mixed de Recherche, Institut National de la Santé et de la Recherche Médicale, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Sébastien Lacroix-Desmazes
- Institut National de la Santé et de la Recherche Médicale, Centre de Recherche des Cordeliers, CNRS, Sorbonne Université, Université Paris Cité, Paris, France.
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Matera MG, Calzetta L, Rinaldi B, Cazzola M, Rogliani P. Strategies for overcoming the biological barriers associated with the administration of inhaled monoclonal antibodies for lung diseases. Expert Opin Drug Deliv 2023; 20:1085-1095. [PMID: 37715502 DOI: 10.1080/17425247.2023.2260310] [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: 07/04/2023] [Revised: 08/10/2023] [Accepted: 09/14/2023] [Indexed: 09/17/2023]
Abstract
INTRODUCTION Monoclonal antibodies (mAbs) should be administered by inhalation rather than parenterally to improve their efficiency in lung diseases. However, the pulmonary administration of mAbs in terms of aerosol technology and the formulation for inhalation is difficult. AREAS COVERED The feasible or suitable strategies for overcoming the barriers associated with administering mAbs are described. EXPERT OPINION Providing mAbs via inhalation to individuals with lung disorders is still difficult. However, inhalation is a desirable method for mAb delivery. Inhaled mAb production needs to be well thought out. The illness, the patient group(s), the therapeutic molecule selected, its interaction with the biological barriers in the lungs, the formulation, excipients, and administration systems must all be thoroughly investigated. Therefore, to create inhaled mAbs that are stable and efficacious, it will be essential to thoroughly examine the problems linked to instability and protein aggregation. More excipients will also need to be manufactured, expanding the range of formulation design choices. Another crucial requirement is for novel carriers for topical delivery to the lungs since carriers might significantly enhance proteins' stability and pharmacokinetic profile.
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Affiliation(s)
- Maria Gabriella Matera
- Unit of Pharmacology, Department of Experimental Medicine, University of Campania 'Luigi Vanvitelli', Naples, Italy
| | - Luigino Calzetta
- Unit of Respiratory Diseases and Lung Function, Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Barbara Rinaldi
- Unit of Pharmacology, Department of Experimental Medicine, University of Campania 'Luigi Vanvitelli', Naples, Italy
| | - Mario Cazzola
- Unit of Respiratory Medicine, Department of Experimental Medicine, University of Rome 'Tor Vergata', Rome, Italy
| | - Paola Rogliani
- Unit of Respiratory Medicine, Department of Experimental Medicine, University of Rome 'Tor Vergata', Rome, Italy
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Yu Y, Li S, Yao Y, Shen X, Li L, Huang Y. Increasing stiffness promotes pulmonary retention of ligand-directed dexamethasone-loaded nanoparticle for enhanced acute lung inflammation therapy. Bioact Mater 2023; 20:539-547. [PMID: 35846844 PMCID: PMC9253482 DOI: 10.1016/j.bioactmat.2022.06.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 06/20/2022] [Accepted: 06/22/2022] [Indexed: 11/17/2022] Open
Abstract
Inhaled nanoparticles (NPs) need to penetrate the bronchial mucosa to deliver drug payloads deeply in the lung for amplified local therapy. However, the bronchial mucociliary barrier eliminates NPs rapidly, which considerably limits their mucosal penetration. In this study, we find that surface ligand modification and stiffness adjustment of NPs contribute to the significantly enhanced bronchial mucosal absorption and pulmonary retention of inhaled drugs. We utilize neonatal Fc receptor ligand (FcBP) to modify the rationally designed low stiffness NPs (Soft-NP) and high stiffness NPs (Stiff-NP) to target bronchial mucosa. In an acute lung inflammation rat model, after intranasal administration with dexamethasone-loaded NPs, Stiff-NP endowed with FcBP displays superior therapeutic effects. The in vitro data demonstrate that the promotion effect of FcBP to bronchial mucosal absorption of Stiff-NP dominates over Soft-NP. This could be attributed to the higher affinity between ligand-receptor when incorporating FcBP on the Stiff-NP surface. Meanwhile, high stiffness modulates more actin filaments aggregation to mediate endocytosis, along with strengthened Ca2+ signal to enhance exocytosis. Conclusively, we highlight that FcBP-modified NPs with higher stiffness would be a potential pulmonary drug delivery system. Nanoparticles with higher stiffness and FcBP modification were more prone to accumulate and remain in the lungs. Surface ligand modification on high stiffness NPs contributes to the significantly enhanced pulmonary retention of inhaled drugs. High stiffness and FcBP modification jointly improved the therapeutic efficacy of dexamethasone on acute lung inflammation.
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Steps toward nebulization in-use studies to understand the stability of new biological entities. Drug Discov Today 2023; 28:103461. [PMID: 36455828 PMCID: PMC9770090 DOI: 10.1016/j.drudis.2022.103461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 11/22/2022] [Accepted: 11/23/2022] [Indexed: 11/29/2022]
Abstract
The need for novel biological drugs against respiratory diseases has been highlighted during the Coronavirus (COVID-19) pandemic. The use of inhalation presents challenges to drug product stability, which is especially true for delivery using nebulizers (jet versus mesh technologies). The late-stage process of drug development in the pharmaceutical industry requires the investigation of in-use stability. In-use studies generate data that are guided by the requirements of regulatory authorities for inclusion in the clinical trial application dossier. In this review, I introduce the initial aspects of in-use stability studies during the development of an aerosol formulation to deliver biologics with a nebulizer. Lessons learned from this experience can guide future development and planning for formulation, analytics, material compatibility, nebulization process, and clinical trial preparations.
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8
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Ghosh S, Ramadas B, Manna D. Targeted protein degradation using the lysosomal pathway. RSC Med Chem 2022; 13:1476-1494. [PMID: 36561077 PMCID: PMC9749926 DOI: 10.1039/d2md00273f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 10/10/2022] [Indexed: 11/06/2022] Open
Abstract
Degradation strategies have shown enormous promise after the inception of molecules like PROTACs (PRoteolysis TArgeting Chimeras) that induce the degradation of the substrate of choice rather than depending on blocking their catalytic activity like conventional inhibitory drugs. Over the past two decades, the application of PROTACs has made quite an impact, even reaching clinical translations. However, a major class of macromolecular targets, be that large proteins, aggregates, organelles or non-protein substrates, remain untouched when utilizing the ubiquitin-proteasomal pathway of degradation. In this review, we have attempted to cover modalities of targeted degradation that instead focus on recruiting the lysosomal pathway of degradation, which is gaining importance and being explored extensively as alternate and efficient approaches for treating disease-related milieus.
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Affiliation(s)
- Samrajni Ghosh
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal Bhopal Bypass Road, Bhauri Bhopal-462066 MP India
| | - Bhavana Ramadas
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal Bhopal Bypass Road, Bhauri Bhopal-462066 MP India
| | - Debasish Manna
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal Bhopal Bypass Road, Bhauri Bhopal-462066 MP India
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9
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Dissolution and Absorption of Inhaled Drug Particles in the Lungs. Pharmaceutics 2022; 14:pharmaceutics14122667. [PMID: 36559160 PMCID: PMC9781681 DOI: 10.3390/pharmaceutics14122667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 11/15/2022] [Accepted: 11/25/2022] [Indexed: 12/02/2022] Open
Abstract
Dry powder inhalation therapy has been effective in treating localized lung diseases such asthma, chronic obstructive pulmonary diseases (COPD), cystic fibrosis and lung infections. In vitro characterization of dry powder formulations includes the determination of physicochemical nature and aerosol performance of powder particles. The relationship between particle properties (size, shape, surface morphology, porosity, solid state nature, and surface hydrophobicity) and aerosol performance of an inhalable dry powder formulation has been well established. However, unlike oral formulations, there is no standard dissolution method for evaluating the dissolution behavior of the inhalable dry powder particles in the lungs. This review focuses on various dissolution systems and absorption models, which have been developed to evaluate dry powder formulations. It covers a summary of airway epithelium, hurdles to developing an in vitro dissolution method for the inhaled dry powder particles, fine particle dose collection methods, various in vitro dissolution testing methods developed for dry powder particles, and models commonly used to study absorption of inhaled drug.
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10
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Qin L, Cui Z, Wu Y, Wang H, Zhang X, Guan J, Mao S. Challenges and Strategies to Enhance the Systemic Absorption of Inhaled Peptides and Proteins. Pharm Res 2022; 40:1037-1055. [DOI: 10.1007/s11095-022-03435-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 11/07/2022] [Indexed: 11/17/2022]
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11
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Sand KMK, Gruber MM, Sandlie I, Mathiesen L, Andersen JT, Wadsack C. Contribution of the ex vivo placental perfusion model in understanding transplacental immunoglobulin G transfer. Placenta 2022; 127:77-87. [PMID: 35981406 DOI: 10.1016/j.placenta.2022.07.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 07/07/2022] [Accepted: 07/28/2022] [Indexed: 11/24/2022]
Abstract
INTRODUCTION The acquisition of humoral immunity in utero is essential for the fetus. The crucial protein, which is responsible for this part of immunity, is immunoglobulin-G (IgG). Immune functions of IgGs are mediated via the interaction of the crystallizable fragment (Fc) region of IgG with specific Fc γ receptors (FcγRs). However, an atypical FcγR, the neonatal Fc receptor (FcRn), is a key regulator of IgG transfer across the human placenta. During the last four decades ex vivo placental perfusion studies have contributed significantly to the study of mechanisms of IgG transfer across the multicellular placental barrier. METHOD A PubMed search was conducted by using specific keywords: placenta, perfusion and IgG to review manuscripts using human placental perfusion to study the transplacental transfer of IgG. Relevant studies found in reference lists of these manuscripts were also added to the review, and references were included that supported or gave nuance to the discussion of the mechanisms of IgG kinetics in the placenta. RESULTS AND DISCUSSION We found twenty publications on the study of transplacental transfer of IgG using human ex vivo placental perfusion, by research groups with partly different settings. This review summarizes knowledge about placental IgG transfer, with a strong focus on the contributions from ex vivo placental perfusion studies.
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Affiliation(s)
- Kine Marita Knudsen Sand
- Department of Biosciences, University of Oslo, 0371, Oslo, Norway; Department of Immunology, Oslo University Hospital Rikshospitalet and University of Oslo, 0424, Oslo, Norway; Department of Pharmacology, Institute of Clinical Medicine, University of Oslo and Oslo University Hospital, 0424, Oslo, Norway
| | - Michael M Gruber
- Department of Obstetrics and Gynaecology, Medical University of Graz, 8036, Graz, Austria
| | - Inger Sandlie
- Department of Biosciences, University of Oslo, 0371, Oslo, Norway; Department of Immunology, Oslo University Hospital Rikshospitalet and University of Oslo, 0424, Oslo, Norway; Department of Pharmacology, Institute of Clinical Medicine, University of Oslo and Oslo University Hospital, 0424, Oslo, Norway
| | - Line Mathiesen
- Section of Environmental Health, Department of Public Health, University of Copenhagen, Copenhagen, Denmark.
| | - Jan Terje Andersen
- Department of Immunology, Oslo University Hospital Rikshospitalet and University of Oslo, 0424, Oslo, Norway; Department of Pharmacology, Institute of Clinical Medicine, University of Oslo and Oslo University Hospital, 0424, Oslo, Norway
| | - Christian Wadsack
- Department of Obstetrics and Gynaecology, Medical University of Graz, 8036, Graz, Austria; BioTechMed-Graz, Austria
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12
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Hartwell BL, Melo MB, Xiao P, Lemnios AA, Li N, Chang JY, Yu J, Gebre MS, Chang A, Maiorino L, Carter C, Moyer TJ, Dalvie NC, Rodriguez-Aponte SA, Rodrigues KA, Silva M, Suh H, Adams J, Fontenot J, Love JC, Barouch DH, Villinger F, Ruprecht RM, Irvine DJ. Intranasal vaccination with lipid-conjugated immunogens promotes antigen transmucosal uptake to drive mucosal and systemic immunity. Sci Transl Med 2022; 14:eabn1413. [PMID: 35857825 PMCID: PMC9835395 DOI: 10.1126/scitranslmed.abn1413] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
To combat the HIV epidemic and emerging threats such as SARS-CoV-2, immunization strategies are needed that elicit protection at mucosal portals of pathogen entry. Immunization directly through airway surfaces is effective in driving mucosal immunity, but poor vaccine uptake across the mucus and epithelial lining is a limitation. The major blood protein albumin is constitutively transcytosed bidirectionally across the airway epithelium through interactions with neonatal Fc receptors (FcRn). Exploiting this biology, here, we demonstrate a strategy of "albumin hitchhiking" to promote mucosal immunity using an intranasal vaccine consisting of protein immunogens modified with an amphiphilic albumin-binding polymer-lipid tail, forming amph-proteins. Amph-proteins persisted in the nasal mucosa of mice and nonhuman primates and exhibited increased uptake into the tissue in an FcRn-dependent manner, leading to enhanced germinal center responses in nasal-associated lymphoid tissue. Intranasal immunization with amph-conjugated HIV Env gp120 or SARS-CoV-2 receptor binding domain (RBD) proteins elicited 100- to 1000-fold higher antigen-specific IgG and IgA titers in the serum, upper and lower respiratory mucosa, and distal genitourinary mucosae of mice compared to unmodified protein. Amph-RBD immunization induced high titers of SARS-CoV-2-neutralizing antibodies in serum, nasal washes, and bronchoalveolar lavage. Furthermore, intranasal amph-protein immunization in rhesus macaques elicited 10-fold higher antigen-specific IgG and IgA responses in the serum and nasal mucosa compared to unmodified protein, supporting the translational potential of this approach. These results suggest that using amph-protein vaccines to deliver antigen across mucosal epithelia is a promising strategy to promote mucosal immunity against HIV, SARS-CoV-2, and other infectious diseases.
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Affiliation(s)
- Brittany L. Hartwell
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA 02139, USA
| | - Mariane B. Melo
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA 02139, USA.,Consortium for HIV/AIDS Vaccine Development (CHAVD), Scripps Research Institute, La Jolla, CA 92037, USA
| | - Peng Xiao
- New Iberia Research Center, University of Louisiana at Lafayette, New Iberia, LA 70560, USA
| | - Ashley A. Lemnios
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Na Li
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Jason Y.H. Chang
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA 02139, USA
| | - Jingyou Yu
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115, USA
| | - Makda S. Gebre
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115, USA
| | - Aiquan Chang
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115, USA.,Harvard Medical School, Boston, MA 02115, USA
| | - Laura Maiorino
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Crystal Carter
- New Iberia Research Center, University of Louisiana at Lafayette, New Iberia, LA 70560, USA
| | - Tyson J. Moyer
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA 02139, USA.,Consortium for HIV/AIDS Vaccine Development (CHAVD), Scripps Research Institute, La Jolla, CA 92037, USA
| | - Neil C. Dalvie
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Sergio A. Rodriguez-Aponte
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Kristen A. Rodrigues
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA 02139, USA.,Consortium for HIV/AIDS Vaccine Development (CHAVD), Scripps Research Institute, La Jolla, CA 92037, USA.,Harvard-MIT Health Sciences and Technology, Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Murillo Silva
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Consortium for HIV/AIDS Vaccine Development (CHAVD), Scripps Research Institute, La Jolla, CA 92037, USA
| | - Heikyung Suh
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Josetta Adams
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Jane Fontenot
- New Iberia Research Center, University of Louisiana at Lafayette, New Iberia, LA 70560, USA
| | - J. Christopher Love
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Dan H. Barouch
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115, USA
| | - Francois Villinger
- New Iberia Research Center, University of Louisiana at Lafayette, New Iberia, LA 70560, USA.,Department of Biology, University of Louisiana at Lafayette, New Iberia, LA 70560 USA
| | - Ruth M. Ruprecht
- New Iberia Research Center, University of Louisiana at Lafayette, New Iberia, LA 70560, USA
| | - Darrell J. Irvine
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA 02139, USA.,Consortium for HIV/AIDS Vaccine Development (CHAVD), Scripps Research Institute, La Jolla, CA 92037, USA.,Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139 USA.,Howard Hughes Medical Institute, Chevy Chase, MD 20815 USA.,Corresponding author.
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13
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Alfaleh MA, Zawawi A, Al-Amri SS, Hashem AM. David versus goliath: ACE2-Fc receptor traps as potential SARS-CoV-2 inhibitors. MAbs 2022; 14:2057832. [PMID: 35380919 PMCID: PMC8986284 DOI: 10.1080/19420862.2022.2057832] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
Abstract
Anti-SARS-CoV-2 monoclonal antibodies and vaccines have shown improvement in lowering viral burden and hospitalization. However, emerging SARS-CoV-2 variants contain neutralizing antibody-escape mutations. Therefore, several reports have suggested the administration of recombinant angiotensin-converting enzyme 2 (rACE2) as a soluble receptor trap to block SARS-CoV-2 infection and limit viral escape potential. Several strategies have been implemented to enhance the efficacy of rACE2 as a therapeutic agent. Fc fusions have been used to improve pharmacokinetics and boost the affinity and avidity of ACE2 decoys for the virus spike protein. Furthermore, the intrinsic catalytic activity of ACE2 can be eliminated by introducing point mutations on the catalytic site of ACE2 to obtain an exclusive antiviral activity. This review summarizes different evolution platforms that have been used to enhance ACE2-Fc (i.e., immunoadhesins) as potential therapeutics for the current pandemic or future outbreaks of SARS-associated betacoronaviruses.
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Affiliation(s)
- Mohamed A Alfaleh
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah Saudi Arabia.,Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah Saudi Arabia
| | - Ayat Zawawi
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah Saudi Arabia.,Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah Saudi Arabia
| | - Sawsan S Al-Amri
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah Saudi Arabia
| | - Anwar M Hashem
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah Saudi Arabia.,Department of Medical Microbiology and Parasitology, Faculty of Medicine, King Abdulaziz University, Jeddah Saudi Arabia
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14
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Peswani Sajnani SL, Zhang Y, Vllasaliu D. Exosome-based therapies for mucosal delivery. Int J Pharm 2021; 608:121087. [PMID: 34530100 DOI: 10.1016/j.ijpharm.2021.121087] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 09/07/2021] [Accepted: 09/09/2021] [Indexed: 02/08/2023]
Abstract
Exosomes are membrane-bound extracellular nanovesicles secreted by most cells and found in multiple sources, including bodily fluids, plants, fruit, and bovine milk. They play an important role as mediators of intercellular communication, having a distinct ability to carry small molecules, proteins, and nucleic acids to recipient cells over large distances. Moreover, competency in crossing usually poorly permeable biological barriers has led to their promising use in diagnostics and in therapeutics, either as therapeutic entities on their own or as drug delivery vehicles, with superior stability, biocompatibility, circulation time and target specificity in comparison to conventional drug delivery systems. The aim of this review is to summarise and critically discuss the current literature on the use of exosomes in a therapeutic setting, with a particular focus on their use as drug delivery vehicles for mucosal drug delivery.
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Affiliation(s)
- Shilpa Lekhraj Peswani Sajnani
- Institute of Pharmaceutical Science, School of Cancer & Pharmaceutical Sciences, Faculty of Life Sciences & Medicine, King's College London, SE1 9NH London, United Kingdom.
| | - Yunyue Zhang
- Institute of Pharmaceutical Science, School of Cancer & Pharmaceutical Sciences, Faculty of Life Sciences & Medicine, King's College London, SE1 9NH London, United Kingdom.
| | - Driton Vllasaliu
- Institute of Pharmaceutical Science, School of Cancer & Pharmaceutical Sciences, Faculty of Life Sciences & Medicine, King's College London, SE1 9NH London, United Kingdom.
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15
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Azevedo C, Pinto S, Benjakul S, Nilsen J, Santos HA, Traverso G, Andersen JT, Sarmento B. Prevention of diabetes-associated fibrosis: Strategies in FcRn-targeted nanosystems for oral drug delivery. Adv Drug Deliv Rev 2021; 175:113778. [PMID: 33887405 DOI: 10.1016/j.addr.2021.04.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 03/29/2021] [Accepted: 04/16/2021] [Indexed: 01/02/2023]
Abstract
Diabetes mellitus is a chronic disease with an elevated risk of micro- and macrovascular complications, such as fibrosis. To prevent diabetes-associated fibrosis, the symptomatology of diabetes must be controlled, which is commonly done by subcutaneous injection of antidiabetic peptides. To minimize the pain and distress associated with such injections, there is an urgent need for non-invasive oral transmucosal drug delivery strategies. However, orally administered peptide-based drugs are exposed to harsh conditions in the gastrointestinal tract and poorly cross the selective intestinal epithelium. Thus, targeting of drugs to receptors expressed in epithelial cells, such as the neonatal Fc receptor (FcRn), may therefore enhance uptake and transport through mucosal barriers. This review compiles how in-depth studies of FcRn biology and engineering of receptor-binding molecules may pave the way for design of new classes of FcRn-targeted nanosystems. Tailored strategies may open new avenues for oral drug delivery and provide better treatment options for diabetes and, consequently, fibrosis prevention.
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16
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Bern M, Nilsen J, Ferrarese M, Sand KMK, Gjølberg TT, Lode HE, Davidson RJ, Camire RM, Bækkevold ES, Foss S, Grevys A, Dalhus B, Wilson J, Høydahl LS, Christianson GJ, Roopenian DC, Schlothauer T, Michaelsen TE, Moe MC, Lombardi S, Pinotti M, Sandlie I, Branchini A, Andersen JT. An engineered human albumin enhances half-life and transmucosal delivery when fused to protein-based biologics. Sci Transl Med 2021; 12:12/565/eabb0580. [PMID: 33055243 DOI: 10.1126/scitranslmed.abb0580] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 09/24/2020] [Indexed: 12/20/2022]
Abstract
Needle-free uptake across mucosal barriers is a preferred route for delivery of biologics, but the efficiency of unassisted transmucosal transport is poor. To make administration and therapy efficient and convenient, strategies for the delivery of biologics must enhance both transcellular delivery and plasma half-life. We found that human albumin was transcytosed efficiently across polarized human epithelial cells by a mechanism that depends on the neonatal Fc receptor (FcRn). FcRn also transported immunoglobulin G, but twofold less than albumin. We therefore designed a human albumin variant, E505Q/T527M/K573P (QMP), with improved FcRn binding, resulting in enhanced transcellular transport upon intranasal delivery and extended plasma half-life of albumin in transgenic mice expressing human FcRn. When QMP was fused to recombinant activated coagulation factor VII, the half-life of the fusion molecule increased 3.6-fold compared with the wild-type human albumin fusion, without compromising the therapeutic properties of activated factor VII. Our findings highlight QMP as a suitable carrier of protein-based biologics that may enhance plasma half-life and delivery across mucosal barriers.
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Affiliation(s)
- Malin Bern
- Centre for Immune Regulation (CIR) and Department of Immunology, University of Oslo and Oslo University Hospital, Rikshospitalet, 0372 Oslo, Norway.,Institute of Clinical Medicine and Department of Pharmacology, University of Oslo and Oslo University Hospital, 0372 Oslo, Norway
| | - Jeannette Nilsen
- Centre for Immune Regulation (CIR) and Department of Immunology, University of Oslo and Oslo University Hospital, Rikshospitalet, 0372 Oslo, Norway.,Institute of Clinical Medicine and Department of Pharmacology, University of Oslo and Oslo University Hospital, 0372 Oslo, Norway
| | - Mattia Ferrarese
- Department of Life Sciences and Biotechnology and LTTA, University of Ferrara, 44121 Ferrara, Italy
| | - Kine M K Sand
- Centre for Immune Regulation (CIR) and Department of Immunology, University of Oslo and Oslo University Hospital, Rikshospitalet, 0372 Oslo, Norway.,Institute of Clinical Medicine and Department of Pharmacology, University of Oslo and Oslo University Hospital, 0372 Oslo, Norway.,CIR and Department of Biosciences, University of Oslo, 0371 Oslo, Norway
| | - Torleif T Gjølberg
- Centre for Immune Regulation (CIR) and Department of Immunology, University of Oslo and Oslo University Hospital, Rikshospitalet, 0372 Oslo, Norway.,Institute of Clinical Medicine and Department of Pharmacology, University of Oslo and Oslo University Hospital, 0372 Oslo, Norway.,Department of Ophthalmology, University of Oslo and Oslo University Hospital, Rikshospitalet, 0450 Oslo, Norway
| | - Heidrun E Lode
- Centre for Immune Regulation (CIR) and Department of Immunology, University of Oslo and Oslo University Hospital, Rikshospitalet, 0372 Oslo, Norway.,Institute of Clinical Medicine and Department of Pharmacology, University of Oslo and Oslo University Hospital, 0372 Oslo, Norway.,Department of Ophthalmology, University of Oslo and Oslo University Hospital, Rikshospitalet, 0450 Oslo, Norway
| | - Robert J Davidson
- The Children's Hospital of Philadelphia, The Raymond G. Perelman Center for Cellular and Molecular Therapeutics, Philadelphia, PA 19104, USA
| | - Rodney M Camire
- The Children's Hospital of Philadelphia, The Raymond G. Perelman Center for Cellular and Molecular Therapeutics, Philadelphia, PA 19104, USA.,Department of Pediatrics, Division of Hematology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Espen S Bækkevold
- CIR and Department of Pathology, University of Oslo and Oslo University Hospital, Rikshospitalet, 0372 Oslo, Norway
| | - Stian Foss
- Centre for Immune Regulation (CIR) and Department of Immunology, University of Oslo and Oslo University Hospital, Rikshospitalet, 0372 Oslo, Norway.,Institute of Clinical Medicine and Department of Pharmacology, University of Oslo and Oslo University Hospital, 0372 Oslo, Norway
| | - Algirdas Grevys
- Centre for Immune Regulation (CIR) and Department of Immunology, University of Oslo and Oslo University Hospital, Rikshospitalet, 0372 Oslo, Norway.,Institute of Clinical Medicine and Department of Pharmacology, University of Oslo and Oslo University Hospital, 0372 Oslo, Norway
| | - Bjørn Dalhus
- Department for Medical Biochemistry, Institute for Clinical Medicine and Department for Microbiology, Clinic for Laboratory Medicine, University of Oslo, 0372 Oslo, Norway
| | - John Wilson
- The Jackson Laboratory, Bar Harbor, ME 04609, USA
| | - Lene S Høydahl
- Centre for Immune Regulation (CIR) and Department of Immunology, University of Oslo and Oslo University Hospital, Rikshospitalet, 0372 Oslo, Norway.,KG Jebsen Coeliac Disease Research Centre, University of Oslo, 0372 Oslo, Norway
| | | | | | - Tilman Schlothauer
- Biochemical and Analytical Research, Large Molecule Research, Roche Pharma Research and Early Development (pRED), Roche Innovation Center Munich, 82377 Penzberg, Germany
| | - Terje E Michaelsen
- Department of Infectious Disease Immunology, Norwegian Institute of Public Health, 0456 Oslo, Norway.,Department of Chemical Pharmacy, School of Pharmacy, University of Oslo, 0371 Oslo, Norway
| | - Morten C Moe
- Department of Ophthalmology, University of Oslo and Oslo University Hospital, Rikshospitalet, 0450 Oslo, Norway
| | - Silvia Lombardi
- Department of Life Sciences and Biotechnology and LTTA, University of Ferrara, 44121 Ferrara, Italy
| | - Mirko Pinotti
- Department of Life Sciences and Biotechnology and LTTA, University of Ferrara, 44121 Ferrara, Italy
| | - Inger Sandlie
- Centre for Immune Regulation (CIR) and Department of Immunology, University of Oslo and Oslo University Hospital, Rikshospitalet, 0372 Oslo, Norway.,CIR and Department of Biosciences, University of Oslo, 0371 Oslo, Norway
| | - Alessio Branchini
- Department of Life Sciences and Biotechnology and LTTA, University of Ferrara, 44121 Ferrara, Italy.
| | - Jan Terje Andersen
- Centre for Immune Regulation (CIR) and Department of Immunology, University of Oslo and Oslo University Hospital, Rikshospitalet, 0372 Oslo, Norway. .,Institute of Clinical Medicine and Department of Pharmacology, University of Oslo and Oslo University Hospital, 0372 Oslo, Norway
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17
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Fieux M, Le Quellec S, Bartier S, Coste A, Louis B, Giroudon C, Nourredine M, Bequignon E. FcRn as a Transporter for Nasal Delivery of Biologics: A Systematic Review. Int J Mol Sci 2021; 22:ijms22126475. [PMID: 34204226 PMCID: PMC8234196 DOI: 10.3390/ijms22126475] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 06/07/2021] [Accepted: 06/11/2021] [Indexed: 12/15/2022] Open
Abstract
FcRn plays a major role in regulating immune homeostasis, but it is also able to transport biologics across cellular barriers. The question of whether FcRn could be an efficient transporter of biologics across the nasal epithelial barrier is of particular interest, as it would allow a less invasive strategy for the administration of biologics in comparison to subcutaneous, intramuscular or intravenous administrations, which are often used in clinical practice. A focused systematic review was conducted following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. It was registered on the international prospective register of systematic reviews PROSPERO, which helped in identifying articles that met the inclusion criteria. Clinical and preclinical studies involving FcRn and the nasal delivery of biologics were screened, and the risk of bias was assessed across studies using the Oral Health Assessment Tool (OHAT). Among the 12 studies finally included in this systematic review (out of the 758 studies screened), 11 demonstrated efficient transcytosis of biologics through the nasal epithelium. Only three studies evaluated the potential toxicity of biologics’ intranasal delivery, and they all showed that it was safe. This systematic review confirmed that FcRn is expressed in the nasal airway and the olfactory epithelium, and that FcRn may play a role in IgG and/or IgG-derived molecule-transcytosis across the airway epithelium. However, additional research is needed to better characterize the pharmacokinetic and pharmacodynamic properties of biologics after their intranasal delivery.
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Affiliation(s)
- Maxime Fieux
- Hospices Civils de Lyon, Centre Hospitalier Lyon Sud, Service d’ORL, D’otoneurochirurgie et de Chirurgie Cervico-Faciale, Pierre Bénite, CEDEX, F-69495 Lyon, France
- Université de Lyon, Université Lyon 1, F-69003 Lyon, France; (S.L.Q.); (M.N.)
- Univ Paris Est Creteil, INSERM, IMRB, F-94010 Créteil, France; (S.B.); (A.C.); (B.L.); (E.B.)
- CNRS ERL 7000, F-94010 Créteil, France
- Correspondence: ; Tel.: +33-4-7266-6415
| | - Sandra Le Quellec
- Université de Lyon, Université Lyon 1, F-69003 Lyon, France; (S.L.Q.); (M.N.)
- Hospices Civils de Lyon, Hôpital Cardiologique Louis Pradel, Unité D’hémostase Clinique, CEDEX, F-69500 Bron, France
- EA 4609 Hémostase et Cancer, Université Claude Bernard Lyon 1, F-69372 Lyon, France
- Hospices Civils de Lyon, Centre de Biologie et de Pathologie Est, Service D’hématologie Biologique, CEDEX, F-69500 Bron, France
| | - Sophie Bartier
- Univ Paris Est Creteil, INSERM, IMRB, F-94010 Créteil, France; (S.B.); (A.C.); (B.L.); (E.B.)
- CNRS ERL 7000, F-94010 Créteil, France
- Service d’ORL, de Chirurgie Cervico Faciale, Hôpital Henri Mondor, Assistance Publique des Hôpitaux de Paris, F-94000 Créteil, France
| | - André Coste
- Univ Paris Est Creteil, INSERM, IMRB, F-94010 Créteil, France; (S.B.); (A.C.); (B.L.); (E.B.)
- CNRS ERL 7000, F-94010 Créteil, France
- Service d’ORL, de Chirurgie Cervico Faciale, Centre Hospitalier Intercommunal de Créteil, F-94010 Créteil, France
| | - Bruno Louis
- Univ Paris Est Creteil, INSERM, IMRB, F-94010 Créteil, France; (S.B.); (A.C.); (B.L.); (E.B.)
- CNRS ERL 7000, F-94010 Créteil, France
| | - Caroline Giroudon
- Hospices Civils de Lyon, Service de la Documentation Centrale, CEDEX, F-69424 Lyon, France;
| | - Mikail Nourredine
- Université de Lyon, Université Lyon 1, F-69003 Lyon, France; (S.L.Q.); (M.N.)
- Hospices Civils de Lyon, Service de Biostatistique et Bioinformatique, F-69003 Lyon, France
- CNRS, Laboratoire de Biométrie et Biologie Évolutive UMR 5558, F-69100 Villeurbanne, France
| | - Emilie Bequignon
- Univ Paris Est Creteil, INSERM, IMRB, F-94010 Créteil, France; (S.B.); (A.C.); (B.L.); (E.B.)
- CNRS ERL 7000, F-94010 Créteil, France
- Service d’ORL, de Chirurgie Cervico Faciale, Centre Hospitalier Intercommunal de Créteil, F-94010 Créteil, France
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18
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Affiliation(s)
- Andrew R. Martin
- 10-324 Donadeo Innovation Center for Engineering, University of Alberta, Alberta, Canada
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19
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Aaen KH, Anthi AK, Sandlie I, Nilsen J, Mester S, Andersen JT. The neonatal Fc receptor in mucosal immune regulation. Scand J Immunol 2021; 93:e13017. [PMID: 33351196 DOI: 10.1111/sji.13017] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 11/11/2020] [Accepted: 12/21/2020] [Indexed: 01/01/2023]
Abstract
The neonatal Fc receptor (FcRn) was first recognized for its role in transfer of maternal IgG to the foetus or newborn, providing passive immunity early in life. However, it has become clear that the receptor is versatile, widely expressed and plays an indispensable role in both immunological and non-immunological processes throughout life. The receptor rescues immunoglobulin G (IgG) and albumin from intracellular degradation and shuttles the ligands across polarized cell barriers, in all cases via a pH-dependent binding-and-release mechanism. These processes secure distribution and high levels of both IgG and albumin throughout the body. At mucosal sites, FcRn transports IgG across polarized epithelial cells where it retrieves IgG in complex with luminal antigens that is delivered to tissue-localized immune cells. In dendritic cells (DCs), FcRn orchestrates processing of IgG-opsonized immune complexes (ICs) in concert with classical Fcγ receptors, which results in antigen presentation and cross-presentation of antigenic peptides on MHC class II and I to CD4+ and CD8+ T cells, respectively. Hence, FcRn regulates transport of the ligands within and across different types of cells, but also processing of IgG-ICs by immune cells. As such, the receptor is involved in immune surveillance and protection against infections. In this brief review, we highlight how FcRn expressed by hematopoietic and non-hematopoietic cells contributes to immune regulation at mucosal barriers-biology that can be utilized in development of biologics and subunit vaccines for non-invasive delivery.
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Affiliation(s)
- Kristin Hovden Aaen
- Department of Immunology, Oslo University Hospital Rikshospitalet, University of Oslo, Oslo, Norway.,Department of Pharmacology, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Aina Karen Anthi
- Department of Immunology, Oslo University Hospital Rikshospitalet, University of Oslo, Oslo, Norway.,Department of Pharmacology, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Inger Sandlie
- Department of Immunology, Oslo University Hospital Rikshospitalet, University of Oslo, Oslo, Norway.,Department of Pharmacology, Institute of Clinical Medicine, University of Oslo, Oslo, Norway.,Department of Biosciences, University of Oslo, Oslo, Norway
| | - Jeannette Nilsen
- Department of Immunology, Oslo University Hospital Rikshospitalet, University of Oslo, Oslo, Norway.,Department of Pharmacology, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Simone Mester
- Department of Immunology, Oslo University Hospital Rikshospitalet, University of Oslo, Oslo, Norway.,Department of Pharmacology, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Jan Terje Andersen
- Department of Immunology, Oslo University Hospital Rikshospitalet, University of Oslo, Oslo, Norway.,Department of Pharmacology, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
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20
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Zhao X, Kruzel M, Ting SM, Sun G, Savitz SI, Aronowski J. Optimized lactoferrin as a highly promising treatment for intracerebral hemorrhage: Pre-clinical experience. J Cereb Blood Flow Metab 2021; 41:53-66. [PMID: 32438861 PMCID: PMC7747168 DOI: 10.1177/0271678x20925667] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Intracerebral hemorrhage (ICH) is the deadliest form of stroke for which there is no effective treatment, despite an endless number of pre-clinical studies and clinical trials. The obvious therapeutic target is the neutralization of toxic products of red blood cell (RBC) lysis that lead to cytotoxicity, inflammation, and oxidative damage. We used rigorous approaches and translationally relevant experimental ICH models to show that lactoferrin-(LTF)-based monotherapy is uniquely robust in reducing brain damage after ICH. Specifically, we designed, produced, and pharmacokinetically/toxicologically characterized an optimized LTF, a fusion of human LTF and the Fc domain of human IgG (FcLTF) that has a 5.8-fold longer half-life in the circulation than native LTF. Following dose-optimization studies, we showed that FcLTF reduces neurological injury caused by ICH in aged male/female mice, and in young male Sprague Dawley (SD) and spontaneously hypertensive rats (SHR). FcLTF showed a remarkably long 24-h therapeutic window. In tissue culture systems, FcLTF protected neurons from the toxic effects of RBCs and promoted microglia toward phagocytosis of RBCs and dead neurons, documenting its pleotropic effect. Our findings indicate that FcLTF is safe and effective in reducing ICH-induced damage in animal models used in this study.
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Affiliation(s)
- Xiurong Zhao
- Department of Neurology and Institute for Stroke and Cerebrovascular Disease, University of Texas Health Science Center at Houston, McGovern Medical School, Houston, TX, USA
| | - Marian Kruzel
- Department of Integrative Biology and Pharmacology, University of Texas Health Science Center at Houston, McGovern Medical School, Houston, TX, USA
| | - Shun-Ming Ting
- Department of Neurology and Institute for Stroke and Cerebrovascular Disease, University of Texas Health Science Center at Houston, McGovern Medical School, Houston, TX, USA
| | | | - Sean I Savitz
- Department of Neurology and Institute for Stroke and Cerebrovascular Disease, University of Texas Health Science Center at Houston, McGovern Medical School, Houston, TX, USA
| | - Jaroslaw Aronowski
- Department of Neurology and Institute for Stroke and Cerebrovascular Disease, University of Texas Health Science Center at Houston, McGovern Medical School, Houston, TX, USA
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21
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Gattinger P, Izadi S, Grünwald-Gruber C, Kallolimath S, Castilho A. The Instability of Dimeric Fc-Fusions Expressed in Plants Can Be Solved by Monomeric Fc Technology. FRONTIERS IN PLANT SCIENCE 2021; 12:671728. [PMID: 34305971 PMCID: PMC8299721 DOI: 10.3389/fpls.2021.671728] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 06/18/2021] [Indexed: 05/18/2023]
Abstract
The potential therapeutic value of many proteins is ultimately limited by their rapid in vivo clearance. One strategy to limit clearance by metabolism and excretion, and improving the stability of therapeutic proteins, is their fusion to the immunoglobulin fragment crystallizable region (Fc). The Fc region plays multiple roles in (i) dimerization for the formation of "Y"-shaped structure of Ig, (ii) Fc-mediated effector functions, (iii) extension of serum half-life, and (iv) a cost-effective purification tag. Plants and in particular Nicotiana benthamiana have proven to be suitable expression platforms for several recombinant therapeutic proteins. Despite the enormous success of their use for the production of full-length monoclonal antibodies, the expression of Fc-fused therapeutic proteins in plants has shown limitations. Many Fc-fusion proteins expressed in plants show different degrees of instability resulting in high amounts of Fc-derived degradation products. To address this issue, we used erythropoietin (EPO) as a reporter protein and evaluated the efforts to enhance the expression of full-length EPO-Fc targeted to the apoplast of N. benthamiana. Our results show that the instability of the fusion protein is independent from the Fc origin or IgG subclass and from the peptide sequence used to link the two domains. We also show that a similar instability occurs upon the expression of individual heavy chains of monoclonal antibodies and ScFv-Fc that mimic the "Y"-shape of antibodies but lack the light chain. We propose that in this configuration, steric hindrance between the protein domains leads to physical instability. Indeed, mutations of critical residues located on the Fc dimerization interface allowed the expression of fully stable EPO monomeric Fc-fusion proteins. We discuss the limitations of Fc-fusion technology in N. benthamiana transient expression systems and suggest strategies to optimize the Fc-based scaffolds on their folding and aggregation resistance in order to improve the stability.
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Affiliation(s)
- Pia Gattinger
- Department of Applied Genetics and Cell Biology, Institute for Plant Biotechnology and Cell Biology, University of Natural Resources and Life Sciences Vienna, Vienna, Austria
- Division of Immunopathology, Department of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Shiva Izadi
- Department of Applied Genetics and Cell Biology, Institute for Plant Biotechnology and Cell Biology, University of Natural Resources and Life Sciences Vienna, Vienna, Austria
- Department of Plant Genetics and Breeding, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran
| | - Clemens Grünwald-Gruber
- Division of Biochemistry, Department of Chemistry, University of Natural Resources and Life Sciences Vienna, Vienna, Austria
| | - Somanath Kallolimath
- Department of Applied Genetics and Cell Biology, Institute for Plant Biotechnology and Cell Biology, University of Natural Resources and Life Sciences Vienna, Vienna, Austria
| | - Alexandra Castilho
- Department of Applied Genetics and Cell Biology, Institute for Plant Biotechnology and Cell Biology, University of Natural Resources and Life Sciences Vienna, Vienna, Austria
- *Correspondence: Alexandra Castilho,
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22
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Liang W, Pan HW, Vllasaliu D, Lam JKW. Pulmonary Delivery of Biological Drugs. Pharmaceutics 2020; 12:E1025. [PMID: 33114726 PMCID: PMC7693150 DOI: 10.3390/pharmaceutics12111025] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 10/13/2020] [Accepted: 10/20/2020] [Indexed: 12/19/2022] Open
Abstract
In the last decade, biological drugs have rapidly proliferated and have now become an important therapeutic modality. This is because of their high potency, high specificity and desirable safety profile. The majority of biological drugs are peptide- and protein-based therapeutics with poor oral bioavailability. They are normally administered by parenteral injection (with a very few exceptions). Pulmonary delivery is an attractive non-invasive alternative route of administration for local and systemic delivery of biologics with immense potential to treat various diseases, including diabetes, cystic fibrosis, respiratory viral infection and asthma, etc. The massive surface area and extensive vascularisation in the lungs enable rapid absorption and fast onset of action. Despite the benefits of pulmonary delivery, development of inhalable biological drug is a challenging task. There are various anatomical, physiological and immunological barriers that affect the therapeutic efficacy of inhaled formulations. This review assesses the characteristics of biological drugs and the barriers to pulmonary drug delivery. The main challenges in the formulation and inhalation devices are discussed, together with the possible strategies that can be applied to address these challenges. Current clinical developments in inhaled biological drugs for both local and systemic applications are also discussed to provide an insight for further research.
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Affiliation(s)
- Wanling Liang
- Department of Pharmacology and Pharmacy, Li Ka Shing Faculty of Medicine, The University of Hong Kong, 21 Sassoon Road, Pokfulam, Hong Kong, China; (H.W.P.); (J.K.W.L.)
| | - Harry W. Pan
- Department of Pharmacology and Pharmacy, Li Ka Shing Faculty of Medicine, The University of Hong Kong, 21 Sassoon Road, Pokfulam, Hong Kong, China; (H.W.P.); (J.K.W.L.)
| | - Driton Vllasaliu
- School of Cancer and Pharmaceutical Sciences, King’s College London, 150 Stamford Street, London SE1 9NH, UK;
| | - Jenny K. W. Lam
- Department of Pharmacology and Pharmacy, Li Ka Shing Faculty of Medicine, The University of Hong Kong, 21 Sassoon Road, Pokfulam, Hong Kong, China; (H.W.P.); (J.K.W.L.)
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23
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Inhaled nanoparticles-An updated review. Int J Pharm 2020; 587:119671. [PMID: 32702456 DOI: 10.1016/j.ijpharm.2020.119671] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 07/14/2020] [Accepted: 07/15/2020] [Indexed: 11/21/2022]
Abstract
We are providing an update to our previously published review paper on inhaled nanoparticles, thus updating with the most recent reports in the literature. The field of nanotechnology may hold the promise of significant improvements in the health and well-being of patients, as well as in manufacturing technologies. The knowledge of the impact of nanomaterials on public health is limited so far. This paper reviews the unique size-controlled properties of nanomaterials, their disposition in the body after inhalation, and the factors influencing the fate of inhaled nanomaterials. The physiology of the lungs makes it an ideal target organ for non-invasive local and systemic drug delivery, especially for protein and poorly water-soluble drugs that have low oral bioavailability via oral administration. More recently, inhaled nanoparticles have been reported to improve therapeutic efficacies and decrease undesirable side effects via pulmonary delivery. The potential application of pulmonary drug delivery of nanoparticles to the lungs, specifically in context of published results reported on nanomaterials in environmental epidemiology and toxicology is reviewed in this paper. This article presents updated delivery systems, process technologies, and potential of inhaled nanoparticles for local and systemic therapies administered to the lungs. The authors acknowledge the contributions of Wei Yang in our 2008 paper published in this journal.
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24
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Conner KP, Devanaboyina SC, Thomas VA, Rock DA. The biodistribution of therapeutic proteins: Mechanism, implications for pharmacokinetics, and methods of evaluation. Pharmacol Ther 2020; 212:107574. [PMID: 32433985 DOI: 10.1016/j.pharmthera.2020.107574] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2019] [Accepted: 04/30/2020] [Indexed: 02/08/2023]
Abstract
Therapeutic proteins (TPs) are a diverse drug class that include monoclonal antibodies (mAbs), recombinantly expressed enzymes, hormones and growth factors, cytokines (e.g. chemokines, interleukins, interferons), as well as a wide range of engineered fusion scaffolds containing IgG1 Fc domain for half-life extension. As the pharmaceutical industry advances more potent and selective protein-based medicines through discovery and into the clinical stages of development, it has become widely appreciated that a comprehensive understanding of the mechanisms of TP biodistribution can aid this endeavor. This review aims to highlight the literature that has advanced our understanding of the determinants of TP biodistribution. A particular emphasis is placed on the multi-faceted role of the neonatal Fc receptor (FcRn) in mAb and Fc-fusion protein disposition. In addition, characterization of the TP-target interaction at the cell-level is discussed as an essential strategy to establish pharmacokinetic-pharmacodynamic (PK/PD) relationships that may lead to more informed human dose projections during clinical development. Methods for incorporation of tissue and cell-level parameters defining these characteristics into higher-order mechanistic and semi-mechanistic PK models will also be presented.
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Affiliation(s)
- Kip P Conner
- Dept. of Pharmacokinetics and Drug Metabolism, Amgen Inc, 1120 Veterans Blvd, South San Francisco, CA 94080, USA.
| | - Siva Charan Devanaboyina
- Dept. of Pharmacokinetics and Drug Metabolism, Amgen Inc, 1120 Veterans Blvd, South San Francisco, CA 94080, USA.
| | - Veena A Thomas
- Dept. of Pharmacokinetics and Drug Metabolism, Amgen Inc, 1120 Veterans Blvd, South San Francisco, CA 94080, USA.
| | - Dan A Rock
- Dept. of Pharmacokinetics and Drug Metabolism, Amgen Inc, 1120 Veterans Blvd, South San Francisco, CA 94080, USA.
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25
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In vitro, ex vivo and in vivo methods of lung absorption for inhaled drugs. Adv Drug Deliv Rev 2020; 161-162:63-74. [PMID: 32763274 DOI: 10.1016/j.addr.2020.07.025] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 07/27/2020] [Accepted: 07/30/2020] [Indexed: 01/19/2023]
Abstract
The assessment and prediction of lung absorption and disposition are an increasingly essential preclinical task for successful discovery and product development of inhaled drugs for both local and systemic delivery. Hence, in vitro, ex vivo and in vivo preclinical methods of lung absorption continue to evolve with several technical, methodological and analytical refinements. As in vitro lung epithelial cell monolayer models, the air-liquid interface (ALI)-cultured Calu-3 cells have most frequently been used, but the NCI-H441 and hAELVi cells have now been proposed as the first immortalized human alveolar epithelial cells capable of forming highly-restricted monolayers. The primary ALI-cultured three-dimensional (3D) human lung cell barriers have also become available; efforts to incorporate aerosol drug deposition into the in vitro lung cell models continue; and stem cell-derived lung epithelial cells and "lung-on-a-chip" technology are emerging. The ex vivo isolated perfused rat lung (IPRL) methods have increasing been used, as they enable the kinetic determination of tissue/organ-level diffusive and membrane protein-mediated absorption and competing non-absorptive loss; the assessment of "pre-epithelial" aerosol biopharmaceutical events in the lung, such as dissolution and release; and the ex vivo-to-in vivo extrapolation and prediction. Even so, in vivo small rodent-based methods have been of mainstay use, while large animal-based methods find an additional opportunity to study region-dependent lung absorption and disposition. It is also exciting that human pharmacokinetic (PK) profiles and systemic exposures for inhaled drugs/molecules may be able to be predicted from these in vivo rodent PK data following lung delivery using kinetic modeling approach with allometric scaling. Overall, the value of these preclinical assessments appears to have shifted more to their translational capability of predicting local lung and systemic exposure in humans, in addition to rationalizing optimal inhaled dosage form and delivery system for drugs/molecules in question. It is critically important therefore to make appropriate selection and timely exploitation of the best models at each stage of drug discovery and development program for efficient progress toward product approval and clinical use.
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26
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Generation of a Nebulizable CDR-Modified MERS-CoV Neutralizing Human Antibody. Int J Mol Sci 2019; 20:ijms20205073. [PMID: 31614869 PMCID: PMC6829326 DOI: 10.3390/ijms20205073] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 10/10/2019] [Accepted: 10/10/2019] [Indexed: 12/26/2022] Open
Abstract
Middle East respiratory syndrome coronavirus (MERS-CoV) induces severe aggravating respiratory failure in infected patients, frequently resulting in mechanical ventilation. As limited therapeutic antibody is accumulated in lung tissue following systemic administration, inhalation is newly recognized as an alternative, possibly better, route of therapeutic antibody for pulmonary diseases. The nebulization process, however, generates diverse physiological stresses, and thus, the therapeutic antibody must be resistant to these stresses, remain stable, and form minimal aggregates. We first isolated a MERS-CoV neutralizing antibody that is reactive to the receptor-binding domain (RBD) of spike (S) glycoprotein. To increase stability, we introduced mutations into the complementarity-determining regions (CDRs) of the antibody. In the HCDRs (excluding HCDR3) in this clone, two hydrophobic residues were replaced with Glu, two residues were replaced with Asp, and four residues were replaced with positively charged amino acids. In LCDRs, only two Leu residues were replaced with Val. These modifications successfully generated a clone with significantly greater stability and equivalent reactivity and neutralizing activity following nebulization compared to the original clone. In summary, we generated a MERS-CoV neutralizing human antibody that is reactive to recombinant MERS-CoV S RBD protein for delivery via a pulmonary route by introducing stabilizing mutations into five CDRs.
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27
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Pyzik M, Sand KMK, Hubbard JJ, Andersen JT, Sandlie I, Blumberg RS. The Neonatal Fc Receptor (FcRn): A Misnomer? Front Immunol 2019; 10:1540. [PMID: 31354709 PMCID: PMC6636548 DOI: 10.3389/fimmu.2019.01540] [Citation(s) in RCA: 253] [Impact Index Per Article: 50.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Accepted: 06/20/2019] [Indexed: 12/13/2022] Open
Abstract
Antibodies are essential components of an adaptive immune response. Immunoglobulin G (IgG) is the most common type of antibody found in circulation and extracellular fluids. Although IgG alone can directly protect the body from infection through the activities of its antigen binding region, the majority of IgG immune functions are mediated via proteins and receptors expressed by specialized cell subsets that bind to the fragment crystallizable (Fc) region of IgG. Fc gamma (γ) receptors (FcγR) belong to a broad family of proteins that presently include classical membrane-bound surface receptors as well as atypical intracellular receptors and cytoplasmic glycoproteins. Among the atypical FcγRs, the neonatal Fc receptor (FcRn) has increasingly gained notoriety given its intimate influence on IgG biology and its ability to also bind to albumin. FcRn functions as a recycling or transcytosis receptor that is responsible for maintaining IgG and albumin in the circulation, and bidirectionally transporting these two ligands across polarized cellular barriers. More recently, it has been appreciated that FcRn acts as an immune receptor by interacting with and facilitating antigen presentation of peptides derived from IgG immune complexes (IC). Here we review FcRn biology and focus on newer advances including how emerging FcRn-targeted therapies may affect the immune responses to IgG and IgG IC.
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Affiliation(s)
- Michal Pyzik
- Division of Gastroenterology, Hepatology and Endoscopy, Department of Medicine, Harvard Medical School, Brigham and Women's Hospital, Boston, MA, United States
| | - Kine M K Sand
- Division of Gastroenterology, Hepatology and Endoscopy, Department of Medicine, Harvard Medical School, Brigham and Women's Hospital, Boston, MA, United States.,Department of Biosciences, University of Oslo, Oslo, Norway
| | - Jonathan J Hubbard
- Division of Gastroenterology, Hepatology and Endoscopy, Department of Medicine, Harvard Medical School, Brigham and Women's Hospital, Boston, MA, United States.,Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Harvard Medical School, Boston Children's Hospital, Boston, MA, United States
| | - Jan Terje Andersen
- Department of Immunology, Oslo University Hospital Rikshospitalet, Oslo, Norway.,Department of Pharmacology, Institute of Clinical Medicine, University of Oslo and Oslo University Hospital, Oslo, Norway
| | - Inger Sandlie
- Department of Biosciences, University of Oslo, Oslo, Norway
| | - Richard S Blumberg
- Division of Gastroenterology, Hepatology and Endoscopy, Department of Medicine, Harvard Medical School, Brigham and Women's Hospital, Boston, MA, United States.,Harvard Digestive Diseases Center, Boston, MA, United States
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28
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Zhang Y, Zhou Z, Zhu SL, Zu X, Wang Z, Zhang LK, Wang W, Xiao G. A novel RSV F-Fc fusion protein vaccine reduces lung injury induced by respiratory syncytial virus infection. Antiviral Res 2019; 165:11-22. [DOI: 10.1016/j.antiviral.2019.02.017] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Revised: 02/23/2019] [Accepted: 02/25/2019] [Indexed: 10/27/2022]
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29
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FcRn-Dependent Transcytosis of Monoclonal Antibody in Human Nasal Epithelial Cells In Vitro: A Prerequisite for a New Delivery Route for Therapy? Int J Mol Sci 2019; 20:ijms20061379. [PMID: 30893823 PMCID: PMC6470570 DOI: 10.3390/ijms20061379] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 03/11/2019] [Accepted: 03/12/2019] [Indexed: 12/27/2022] Open
Abstract
Monoclonal antibodies (mAbs) are promising therapies to treat airway chronic inflammatory disease (asthma or nasal polyps). To date, no study has specifically assessed, in vitro, the potential function of neonatal Fc receptor (FcRn) in IgG transcytosis through the human nasal airway epithelium. The objective of this study was to report the in vitro expression and function of FcRn in nasal human epithelium. FcRn expression was studied in an air–liquid interface (ALI) primary culture model of human nasal epithelial cells (HNEC) from polyps. FcRn expression was characterized by quantitative RT-PCR, western blot, and immunolabeling. The ability of HNECs to support mAb transcytosis via FcRn was assessed by transcytosis assay. This study demonstrates the expression of FcRn mRNA and protein in HNEC. We report a high expression of FcRn in the cytosol of ciliated, mucus, and basal cells by immunohistochemistry with a higher level of FcRn proteins in differentiated HNEC. We also proved in vitro transepithelial delivery of an IgG1 therapeutic mAb with a dose–response curve. This is the first time that FcRn expression and mAb transcytosis has been shown in a model of human nasal respiratory epithelium in vitro. This study is a prerequisite for FcRn-dependent nasal administration of mAbs.
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30
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Li T, Balthasar JP. FcRn Expression in Wildtype Mice, Transgenic Mice, and in Human Tissues. Biomolecules 2018; 8:biom8040115. [PMID: 30326650 PMCID: PMC6316262 DOI: 10.3390/biom8040115] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Revised: 09/29/2018] [Accepted: 10/05/2018] [Indexed: 12/21/2022] Open
Abstract
Quantitative real-time PCR and Western blot methods were developed to assess neonatal Fc-receptor (FcRn) mRNA and protein expression in human FcRn transgenic mice, Swiss Webster mice, and in select human tissues. Additionally, FcRn turnover was evaluated via pulse-chase. FcRn mRNA expression was significantly higher in transgenic mice when compared to mouse FcRn mRNA in Swiss Webster mice and it ranged from 184-fold higher in the kidney to 109,000-fold higher in the skin. FcRn protein expression was found to be 13-fold lower in kidney to 5.6-fold higher in lung obtained from transgenic mice compared to FcRn protein expression in lung samples obtained from Swiss Webster mice. FcRn protein expression in human liver and small intestine tissues matched more closely with FcRn expression in Swiss Webster mice but were significantly lower when compared to values found from Swiss Webster and transgenic mice. Although FcRn mRNA expression correlated significantly with protein expression (p < 0.0005), the correlation coefficient was only 0.113. As such, the measurement of FcRn protein may be preferred to FcRn mRNA for quantitative applications. Significant differences were found in FcRn expression in transgenic mice, Swiss Webster mice, and human tissues, which may have implications for the use of mouse models in the assessment of monoclonal antibody disposition, efficacy, and safety.
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Affiliation(s)
- Tommy Li
- Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, University at Buffalo, Buffalo, NY 14214, USA.
| | - Joseph P Balthasar
- Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, University at Buffalo, Buffalo, NY 14214, USA.
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31
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Bioavailability of protein therapeutics in rats following inhalation exposure: Relevance to occupational exposure limit calculations. Regul Toxicol Pharmacol 2018; 100:35-44. [PMID: 30291877 DOI: 10.1016/j.yrtph.2018.10.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 09/27/2018] [Accepted: 10/02/2018] [Indexed: 11/23/2022]
Abstract
Protein therapeutics represent a rapidly growing proportion of new medicines being developed by the pharmaceutical industry. As with any new drug, an Occupational Exposure Limit (OEL) should be developed to ensure worker safety. Part of the OEL determination addresses bioavailability (BA) after inhalation, which is poorly understood for protein therapeutics. To explore this, male Sprague-Dawley rats were exposed intravenously or by nose-only inhalation to one of five test proteins of varying molecular size (10-150 kDa), including a polyethylene glycol-conjugated protein. Blood, lung tissue and bronchoalveolar lavage (BAL) fluid were collected over various time-points depending on the expected test protein clearance (8 minutes-56 days), and analyzed to determine the pharmacokinetic profiles. Since the BAL half-life of the test proteins was observed to be > 4.5 h after an inhalation exposure, accumulation and direct lung effects should be considered in the hazard assessment for protein therapeutics with lung-specific targets. The key finding was the low systemic bioavailability after inhalation exposure for all test proteins (∼≤1%) which did not appear molecular weight-dependent. Given that this study examined the inhalation of typical protein therapeutics in a manner mimicking worker exposure, a default 1% BA assumption is reasonable to utilize when calculating OELs for protein therapeutics.
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32
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Awwad S, Angkawinitwong U. Overview of Antibody Drug Delivery. Pharmaceutics 2018; 10:E83. [PMID: 29973504 PMCID: PMC6161251 DOI: 10.3390/pharmaceutics10030083] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 06/29/2018] [Accepted: 06/29/2018] [Indexed: 12/11/2022] Open
Abstract
Monoclonal antibodies (mAbs) are one of the most important classes of therapeutic proteins, which are used to treat a wide number of diseases (e.g., oncology, inflammation and autoimmune diseases). Monoclonal antibody technologies are continuing to evolve to develop medicines with increasingly improved safety profiles, with the identification of new drug targets being one key barrier for new antibody development. There are many opportunities for developing antibody formulations for better patient compliance, cost savings and lifecycle management, e.g., subcutaneous formulations. However, mAb-based medicines also have limitations that impact their clinical use; the most prominent challenges are their short pharmacokinetic properties and stability issues during manufacturing, transport and storage that can lead to aggregation and protein denaturation. The development of long acting protein formulations must maintain protein stability and be able to deliver a large enough dose over a prolonged period. Many strategies are being pursued to improve the formulation and dosage forms of antibodies to improve efficacy and to increase the range of applications for the clinical use of mAbs.
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Affiliation(s)
- Sahar Awwad
- UCL School of Pharmacy, London WC1N 1AX, UK.
- National Institute for Health Research (NIHR) Biomedical Research Centre at Moorfields Eye Hospital NHS Foundation Trust and UCL Institute of Ophthalmology, London EC1 V9EL, UK.
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33
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Gunasekaran M, Chatterjee PK, Shih A, Imperato GH, Addorisio M, Kumar G, Lee A, Graf JF, Meyer D, Marino M, Puleo C, Ashe J, Cox MA, Mak TW, Bouton C, Sherry B, Diamond B, Andersson U, Coleman TR, Metz CN, Tracey KJ, Chavan SS. Immunization Elicits Antigen-Specific Antibody Sequestration in Dorsal Root Ganglia Sensory Neurons. Front Immunol 2018; 9:638. [PMID: 29755449 PMCID: PMC5932385 DOI: 10.3389/fimmu.2018.00638] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2017] [Accepted: 03/14/2018] [Indexed: 12/11/2022] Open
Abstract
The immune and nervous systems are two major organ systems responsible for host defense and memory. Both systems achieve memory and learning that can be retained, retrieved, and utilized for decades. Here, we report the surprising discovery that peripheral sensory neurons of the dorsal root ganglia (DRGs) of immunized mice contain antigen-specific antibodies. Using a combination of rigorous molecular genetic analyses, transgenic mice, and adoptive transfer experiments, we demonstrate that DRGs do not synthesize these antigen-specific antibodies, but rather sequester primarily IgG1 subtype antibodies. As revealed by RNA-seq and targeted quantitative PCR (qPCR), dorsal root ganglion (DRG) sensory neurons harvested from either naïve or immunized mice lack enzymes (i.e., RAG1, RAG2, AID, or UNG) required for generating antibody diversity and, therefore, cannot make antibodies. Additionally, transgenic mice that express a reporter fluorescent protein under the control of Igγ1 constant region fail to express Ighg1 transcripts in DRG sensory neurons. Furthermore, neural sequestration of antibodies occurs in mice rendered deficient in neuronal Rag2, but antibody sequestration is not observed in DRG sensory neurons isolated from mice that lack mature B cells [e.g., Rag1 knock out (KO) or μMT mice]. Finally, adoptive transfer of Rag1-deficient bone marrow (BM) into wild-type (WT) mice or WT BM into Rag1 KO mice revealed that antibody sequestration was observed in DRG sensory neurons of chimeric mice with WT BM but not with Rag1-deficient BM. Together, these results indicate that DRG sensory neurons sequester and retain antigen-specific antibodies released by antibody-secreting plasma cells. Coupling this work with previous studies implicating DRG sensory neurons in regulating antigen trafficking during immunization raises the interesting possibility that the nervous system collaborates with the immune system to regulate antigen-mediated responses.
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Affiliation(s)
- Manojkumar Gunasekaran
- Center for Biomedical Science, Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, United States
| | - Prodyot K. Chatterjee
- Center for Biomedical Science, Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, United States
| | - Andrew Shih
- Center for Genomics and Human Genetics, Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, United States
| | - Gavin H. Imperato
- Center for Biomedical Science, Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, United States
- Elmezzi Graduate School, Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, United States
| | - Meghan Addorisio
- Center for Biomedical Science, Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, United States
| | - Gopal Kumar
- Center for Biomedical Science, Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, United States
- Elmezzi Graduate School, Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, United States
| | - Annette Lee
- Center for Genomics and Human Genetics, Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, United States
- Elmezzi Graduate School, Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, United States
- Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
| | - John F. Graf
- GE Global Research Center, Niskayuna, NY, United States
| | - Dan Meyer
- GE Global Research Center, Niskayuna, NY, United States
| | | | | | - Jeffrey Ashe
- GE Global Research Center, Niskayuna, NY, United States
| | - Maureen A. Cox
- The Campbell Family Institute for Breast Cancer Research, University Health Network, Toronto, ON, Canada
| | - Tak W. Mak
- The Campbell Family Institute for Breast Cancer Research, University Health Network, Toronto, ON, Canada
| | - Chad Bouton
- Center for Bioelectronic Medicine, Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, United States
| | - Barbara Sherry
- Elmezzi Graduate School, Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, United States
- Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Center for Immunology and Inflammation, Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, United States
| | - Betty Diamond
- Elmezzi Graduate School, Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, United States
- Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Center for Autoimmune, Musculoskeletal and Hematopoietic Diseases, Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, United States
| | - Ulf Andersson
- Department of Women’s and Children’s Health, Karolinska Institutet, Solna, Sweden
| | - Thomas R. Coleman
- Center for Molecular Innovation, Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, United States
| | - Christine N. Metz
- Center for Biomedical Science, Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, United States
- Elmezzi Graduate School, Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, United States
- Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
| | - Kevin J. Tracey
- Center for Biomedical Science, Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, United States
- Elmezzi Graduate School, Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, United States
- Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Center for Bioelectronic Medicine, Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, United States
| | - Sangeeta S. Chavan
- Center for Biomedical Science, Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, United States
- Elmezzi Graduate School, Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, United States
- Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Center for Bioelectronic Medicine, Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, United States
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Tolerogenic properties of the Fc portion of IgG and its relevance to the treatment and management of hemophilia. Blood 2018; 131:2205-2214. [PMID: 29588277 DOI: 10.1182/blood-2017-12-822908] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Accepted: 03/15/2018] [Indexed: 12/14/2022] Open
Abstract
Hemophilia, or inherited genetic deficiencies in coagulation factors, results in uncontrolled bleeding requiring replacement therapy with recombinant proteins given preventively or on demand. However, a major problem with these approaches is the potential for development of immune responses to the administered proteins due to the underlying genetic deficiency of the factor(s) throughout life. As such, there is great interest in developing strategies that avoid immunogenicity and induce immune tolerance. Recently, recombinant factor VIII (rFVIII) and rFIX fused to the crystallizable fragment (Fc) domain of immunoglobulin G (IgG) have been developed as therapeutic agents for hemophilia A and B, respectively. Although it is well known that the possession of an Fc domain confers IgG's longer-lasting circulating half-life, it is not generally appreciated that the Fc domain also confers immunoregulatory properties that are associated with the induction of tolerance. Here, we review some of the latest advances in our understanding of the tolerogenic abilities of IgG Fc and the impact of Fc-fusion proteins of rFVIII on the treatment of hemophilia.
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35
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Szikora B, Hiripi L, Bender B, Kacskovics I, Iliás A. Characterization of the interactions of rabbit neonatal Fc receptor (FcRn) with rabbit and human IgG isotypes. PLoS One 2017; 12:e0185662. [PMID: 28957416 PMCID: PMC5619814 DOI: 10.1371/journal.pone.0185662] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Accepted: 09/15/2017] [Indexed: 11/19/2022] Open
Abstract
Despite the increasing importance of rabbit as an animal model in pharmacological studies like investigating placental transfer of therapeutic IgGs, little is known about the molecular interaction of the rabbit neonatal Fc receptor (FcRn) with rabbit and human IgG molecules. We analyzed the interactions of the rabbit and human FcRn with rabbit and human IgG isotypes using surface plasmon resonance assay. Similar to FcRn of other species, rabbit FcRn functions in pH-dependent manner, as it binds IgGs at pH 6.0, but no binding occurs at pH 7.4. We also showed that rabbit FcRn binds rabbit IgG and human IgG1 with nearly identical affinity, whereas it has stronger interactions with the other human IgG isotypes. The similar affinity of rabbit IgG and human IgG1 for rabbit FcRn was confirmed by in vitro FcRn-mediated recycling assay. These data verify that rabbit is an appropriate animal model for analyzing the pharmacokinetics of human therapeutic monoclonal antibodies.
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Affiliation(s)
- Bence Szikora
- Department of Immunology, ELTE Eötvös Loránd University, Budapest, Hungary
| | - László Hiripi
- Department of Animal Biotechnology, National Agricultural Research and Innovation Centre, Gödöllő, Hungary
| | | | - Imre Kacskovics
- Department of Immunology, ELTE Eötvös Loránd University, Budapest, Hungary
- ImmunoGenes-ABS Ltd, Budakeszi, Hungary
| | - Attila Iliás
- Department of Immunology, ELTE Eötvös Loránd University, Budapest, Hungary
- * E-mail:
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Devanaboyina SC, Khare P, Challa DK, Ober RJ, Ward ES. Engineered clearing agents for the selective depletion of antigen-specific antibodies. Nat Commun 2017; 8:15314. [PMID: 28561044 PMCID: PMC5460014 DOI: 10.1038/ncomms15314] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2016] [Accepted: 03/20/2017] [Indexed: 12/03/2022] Open
Abstract
Here we have designed a novel class of engineered antibody-based reagents (‘Seldegs') that induce the selective degradation of antigen-specific antibodies. We demonstrate the rapid and specific clearance of antibodies recognizing the autoantigen, myelin oligodendrocyte glycoprotein and tumour target, HER2. Seldegs have considerable potential in multiple areas, including the treatment of antibody-mediated autoimmunity and diagnostic imaging. The depletion of antigen-specific, deleterious antibodies during therapy and diagnosis remains an unsolved challenge. Here the authors develop ‘Seldegs', antigens linked to human Fc fragments with high affinity for the neonatal Fc receptor FcRn, to deplete MOG- and HER2-specific antibodies in mice.
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Affiliation(s)
- Siva Charan Devanaboyina
- Department of Molecular and Cellular Medicine, Texas A&M University Health Science Center, 469 Joe H. Reynolds Medical Sciences Building, 1114 TAMU, College Station, Texas 77843, USA.,Department of Microbial Pathogenesis and Immunology, Texas A&M University Health Science Center, 3107 Medical Research &Education Building, 8447 State Highway 47, Bryan, Texas 77807, USA
| | - Priyanka Khare
- Department of Molecular and Cellular Medicine, Texas A&M University Health Science Center, 469 Joe H. Reynolds Medical Sciences Building, 1114 TAMU, College Station, Texas 77843, USA.,Department of Microbial Pathogenesis and Immunology, Texas A&M University Health Science Center, 3107 Medical Research &Education Building, 8447 State Highway 47, Bryan, Texas 77807, USA
| | - Dilip K Challa
- Department of Molecular and Cellular Medicine, Texas A&M University Health Science Center, 469 Joe H. Reynolds Medical Sciences Building, 1114 TAMU, College Station, Texas 77843, USA.,Department of Microbial Pathogenesis and Immunology, Texas A&M University Health Science Center, 3107 Medical Research &Education Building, 8447 State Highway 47, Bryan, Texas 77807, USA
| | - Raimund J Ober
- Department of Molecular and Cellular Medicine, Texas A&M University Health Science Center, 469 Joe H. Reynolds Medical Sciences Building, 1114 TAMU, College Station, Texas 77843, USA.,Department of Biomedical Engineering, Texas A&M University, 5045 Emerging Technologies Building, 3120 TAMU, College Station, Texas 77843, USA
| | - E Sally Ward
- Department of Molecular and Cellular Medicine, Texas A&M University Health Science Center, 469 Joe H. Reynolds Medical Sciences Building, 1114 TAMU, College Station, Texas 77843, USA.,Department of Microbial Pathogenesis and Immunology, Texas A&M University Health Science Center, 3107 Medical Research &Education Building, 8447 State Highway 47, Bryan, Texas 77807, USA
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Morales JO, Fathe KR, Brunaugh A, Ferrati S, Li S, Montenegro-Nicolini M, Mousavikhamene Z, McConville JT, Prausnitz MR, Smyth HDC. Challenges and Future Prospects for the Delivery of Biologics: Oral Mucosal, Pulmonary, and Transdermal Routes. AAPS JOURNAL 2017; 19:652-668. [DOI: 10.1208/s12248-017-0054-z] [Citation(s) in RCA: 89] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Accepted: 02/01/2017] [Indexed: 12/25/2022]
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Abstract
Protein-based therapeutics have made a significant impact in the treatment of a variety of important human diseases. However, given their intrinsically vulnerable structure and susceptibility to enzymatic degradation, many therapeutic proteins such as enzymes, growth factors, hormones, and cytokines suffer from poor physicochemical/biological stability and immunogenicity that may limit their potential benefits, and in some cases limit their utility. Furthermore, when protein therapeutics are developed for intracellular targets, their internalization and biological activity may be limited by inefficient membrane permeability and/or endosomal escape. Development of effective protein delivery strategies is therefore essential to further enhance therapeutic outcomes to enable widespread medical applications. This review discusses the advantages and limitations of marketed and developmental-stage protein delivery strategies, and provides a focused overview of recent advances in nanotechnology platforms for the systemic delivery of therapeutic proteins. In addition, we also highlight nanoparticle-mediated non-invasive administration approaches (e.g., oral, nasal, pulmonary, and transdermal routes) for protein delivery.
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Affiliation(s)
- Mikyung Yu
- Laboratory of Nanomedicine and Biomaterials, Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, United States
| | - Jun Wu
- Laboratory of Nanomedicine and Biomaterials, Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, United States
| | - Jinjun Shi
- Laboratory of Nanomedicine and Biomaterials, Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, United States.
| | - Omid C Farokhzad
- Laboratory of Nanomedicine and Biomaterials, Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, United States; King Abdulaziz University, Jeddah, Saudi Arabia.
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39
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Ha JH, Kim JE, Kim YS. Immunoglobulin Fc Heterodimer Platform Technology: From Design to Applications in Therapeutic Antibodies and Proteins. Front Immunol 2016; 7:394. [PMID: 27766096 PMCID: PMC5052280 DOI: 10.3389/fimmu.2016.00394] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Accepted: 09/16/2016] [Indexed: 01/02/2023] Open
Abstract
The monospecific and bivalent characteristics of naturally occurring immunoglobulin G (IgG) antibodies depend on homodimerization of the fragment crystallizable (Fc) regions of two identical heavy chains (HCs) and the subsequent assembly of two identical light chains (LCs) via disulfide linkages between each HC and LC. Immunoglobulin Fc heterodimers have been engineered through modifications to the CH3 domain interface, with different mutations on each domain such that the engineered Fc fragments, carrying the CH3 variant pair, preferentially form heterodimers rather than homodimers. Many research groups have adopted different strategies to generate Fc heterodimers, with the goal of high heterodimerization yield, while retaining biophysical and biological properties of the wild-type Fc. Based on their ability to enforce heterodimerization between the two different HCs, the established Fc heterodimers have been extensively exploited as a scaffold to generate bispecific antibodies (bsAbs) in full-length IgG and IgG-like formats. These have many of the favorable properties of natural IgG antibodies, such as high stability, long serum half-life, low immunogenicity, and immune effector functions. As of July 2016, more than seven heterodimeric Fc-based IgG-format bsAbs are being evaluated in clinical trials. In addition to bsAbs, heterodimeric Fc technology is very promising for the generation of Fc-fused proteins and peptides, as well as cytokines (immunocytokines), which can present the fusion partners in the natural monomeric or heterodimeric form rather than the artificial homodimeric form with wild-type Fc. Here, we present relevant concepts and strategies for the generation of heterodimeric Fc proteins, and their application in the development of bsAbs in diverse formats for optimal biological activity. In addition, we describe wild-type Fc-fused monomeric and heterodimeric proteins, along with the difficulties associated with their preparations, and discuss the use of heterodimeric Fc as an alternative scaffold of wild-type Fc for naturally monomeric or heterodimeric proteins, to create Fc-fusion proteins with novel therapeutic modality.
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Affiliation(s)
- Ji-Hee Ha
- Department of Molecular Science and Technology, Ajou University , Suwon , Korea
| | - Jung-Eun Kim
- Department of Molecular Science and Technology, Ajou University , Suwon , Korea
| | - Yong-Sung Kim
- Department of Molecular Science and Technology, Ajou University, Suwon, Korea; Department of Applied Chemistry and Biological Engineering, College of Engineering, Ajou University, Suwon, Korea
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40
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Guo J, Li F, He Q, Jin H, Liu M, Li S, Hu S, Xiao Y, Bi D, Li Z. Neonatal Fc Receptor-Mediated IgG Transport Across Porcine Intestinal Epithelial Cells: Potentially Provide the Mucosal Protection. DNA Cell Biol 2016; 35:301-9. [DOI: 10.1089/dna.2015.3165] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Affiliation(s)
- Jinyue Guo
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Fei Li
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Qigai He
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
| | - Hui Jin
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
| | - Mei Liu
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
| | - Shaowen Li
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
| | - Sishun Hu
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
| | - Yuncai Xiao
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
| | - Dingren Bi
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
| | - Zili Li
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
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Muzammil S, Mabus JR, Cooper PR, Brezski RJ, Bement CB, Perkinson R, Huebert ND, Thompson S, Levine D, Kliwinski C, Bradley D, Hornby PJ. FcRn binding is not sufficient for achieving systemic therapeutic levels of immunoglobulin G after oral delivery of enteric-coated capsules in cynomolgus macaques. Pharmacol Res Perspect 2016; 4:e00218. [PMID: 27433338 PMCID: PMC4876138 DOI: 10.1002/prp2.218] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Revised: 12/22/2015] [Accepted: 01/14/2016] [Indexed: 12/11/2022] Open
Abstract
Although much speculation has surrounded intestinally expressed FcRn as a means for systemic uptake of orally administered immunoglobulin G (IgG), this has not been validated in translational models beyond neonates or in FcRn-expressing cells in vitro. Recently, IgG1 intestinal infusion acutely in anesthetized cynomolgus resulted in detectable serum monoclonal antibody (mAb) levels. In this study, we show that IgG2 has greater protease resistance to intestinal enzymes in vitro and mice in vivo, due to protease resistance in the hinge region. An IgG2 mAb engineered for FcRn binding, was optimally formulated, lyophilized, and loaded into enteric-coated capsules for oral dosing in cynomolgus. Small intestinal pH 7.5 was selected for enteric delivery based on gastrointestinal pH profiling of cynomolgus by operator-assisted IntelliCap System(®). Milling of the lyophilized IgG2 M428L FcRn-binding variant after formulation in 10 mmol/L histidine, pH 5.7, 8.5% sucrose, 0.04% PS80 did not alter the physicochemical properties nor the molecular integrity compared to the batch released in PBS. Size 3 hard gel capsules (23.2 mg IgG2 M428L ~3 mg/kg) were coated with hydroxypropyl methylcellulose acetate succinate for rapid dissolution at pH 7.5 in small intestine and FcRn binding of encapsulated mAb confirmed. Initial capsule dosing by endoscopic delivery into the small intestine achieved 0.2 + 0.1 ng/mL (n = 5) peak at 24 h. Weekly oral capsule dosing for 6 weeks achieved levels of 0.4 + 0.2 ng/mL and, despite increasing the dose and frequency, remained below 1 ng/mL. In conclusion, lyophilized milled mAb retains FcRn binding and molecular integrity for small intestinal delivery. The low systemic exposure has demonstrated the limitations of intestinal FcRn in non-human primates and the unfeasibility of employing this for therapeutic levels of mAb. Local mAb delivery with limited systemic exposure may be sufficient as a therapeutic for intestinal diseases.
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Affiliation(s)
- Salman Muzammil
- Janssen Biopharmaceuticals (formerly Biotechnology Center of Excellence) R&D of J&J Spring House Pennsylvania 19477
| | - John R Mabus
- Janssen Biopharmaceuticals (formerly Biotechnology Center of Excellence) R&D of J&J Spring House Pennsylvania 19477
| | - Philip R Cooper
- Janssen Biopharmaceuticals (formerly Biotechnology Center of Excellence) R&D of J&J Spring House Pennsylvania 19477
| | - Randall J Brezski
- Janssen Biopharmaceuticals (formerly Biotechnology Center of Excellence) R&D of J&J Spring House Pennsylvania 19477
| | - Courtney B Bement
- Janssen Biopharmaceuticals (formerly Biotechnology Center of Excellence) R&D of J&J Spring House Pennsylvania 19477
| | - Rob Perkinson
- Janssen Biopharmaceuticals (formerly Biotechnology Center of Excellence) R&D of J&J Spring House Pennsylvania 19477
| | - Norman D Huebert
- Discovery Sciences Janssen Pharmaceutical R&D of J&J Spring House Pennsylvania 19477
| | - Suzanne Thompson
- Preclinical Center of Excellence Ethicon., Inc. Cincinnati Ohio 45242
| | - Dalia Levine
- Janssen Biopharmaceuticals (formerly Biotechnology Center of Excellence) R&D of J&J Spring House Pennsylvania 19477
| | - Connie Kliwinski
- Janssen Biopharmaceuticals (formerly Biotechnology Center of Excellence) R&D of J&J Spring House Pennsylvania 19477
| | - Dino Bradley
- Discovery Sciences Janssen Pharmaceutical R&D of J&J Spring House Pennsylvania 19477
| | - Pamela J Hornby
- Janssen Biopharmaceuticals (formerly Biotechnology Center of Excellence) R&D of J&J Spring House Pennsylvania 19477
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42
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Fan YY, Avery LB, Wang M, O'Hara DM, Leung S, Neubert H. Tissue expression profile of human neonatal Fc receptor (FcRn) in Tg32 transgenic mice. MAbs 2016; 8:848-53. [PMID: 27104806 DOI: 10.1080/19420862.2016.1178436] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
The neonatal Fc receptor (FcRn) is a homeostatic receptor responsible for prolonging immunoglobulin G (IgG) half-life by protecting it from lysosomal degradation and recycling it to systemic circulation. Tissue-specific FcRn expression is a critical parameter in physiologically-based pharmacokinetic (PBPK) modeling for translational pharmacokinetics of Fc-containing biotherapeutics. Using online peptide immuno-affinity chromatography coupled with high resolution mass spectrometry, we established a quantitative FcRn tissue protein expression profile in human FcRn (hFcRn) transgenic mice, Tg32 homozygous and hemizygous strains. The concentration of hFcRn across 14 tissues ranged from 3.5 to 111.2 pmole per gram of tissue. Our hFcRn quantification data from Tg32 mice will enable a more refined PBPK model to improve the accuracy of human PK predictions for Fc-containing biotherapeutics.
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Affiliation(s)
- Yao-Yun Fan
- a Pharmacokinetics Dynamics & Metabolism, Pfizer, Inc., Worldwide Research & Development , Andover , Massachusetts , USA
| | - Lindsay B Avery
- a Pharmacokinetics Dynamics & Metabolism, Pfizer, Inc., Worldwide Research & Development , Andover , Massachusetts , USA
| | - Mengmeng Wang
- a Pharmacokinetics Dynamics & Metabolism, Pfizer, Inc., Worldwide Research & Development , Andover , Massachusetts , USA
| | - Denise M O'Hara
- a Pharmacokinetics Dynamics & Metabolism, Pfizer, Inc., Worldwide Research & Development , Andover , Massachusetts , USA
| | - Sheldon Leung
- a Pharmacokinetics Dynamics & Metabolism, Pfizer, Inc., Worldwide Research & Development , Andover , Massachusetts , USA
| | - Hendrik Neubert
- a Pharmacokinetics Dynamics & Metabolism, Pfizer, Inc., Worldwide Research & Development , Andover , Massachusetts , USA
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43
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Martins JP, Kennedy PJ, Santos HA, Barrias C, Sarmento B. A comprehensive review of the neonatal Fc receptor and its application in drug delivery. Pharmacol Ther 2016; 161:22-39. [PMID: 27016466 DOI: 10.1016/j.pharmthera.2016.03.007] [Citation(s) in RCA: 75] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Advances in the understanding of neonatal Fc receptor (FcRn) biology and function have demonstrated that this receptor, primarily identified for the transfer of passive immunity from mother infant, is involved in several biological and immunological processes. In fact, FcRn is responsible for the long half-life of IgG and albumin in the serum, by creating an intracellular protein reservoir, which is protected from lysosomal degradation and, importantly, trafficked across the cell. Such discovery has led researchers to hypothesize the role for this unique receptor in the controlled delivery of therapeutic agents. A great amount of FcRn-based strategies are already under extensive investigation, in which FcRn reveals to have profound impact on the biodistribution and half-life extension of therapeutic agents. This review summarizes the main findings on FcRn biology, function and distribution throughout different tissues, together with the main advances on the FcRn-based therapeutic opportunities and model systems, which indicate that this receptor is a potential target for therapeutic regimen modification.
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Affiliation(s)
- João Pedro Martins
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; ICBAS - Instituto Ciências Biomédicas Abel Salazar, Universidade do Porto, Rua Jorge Viterbo 228, 4150-180 Porto, Portugal
| | - Patrick J Kennedy
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; ICBAS - Instituto Ciências Biomédicas Abel Salazar, Universidade do Porto, Rua Jorge Viterbo 228, 4150-180 Porto, Portugal; Ipatimup - Instituto de Patologia e Imunologia Molecular da Universidade do Porto, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal
| | - Hélder A Santos
- Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, Viikinkaari 5 E, FI -00014 Helsinki, Finland
| | - Cristina Barrias
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal
| | - Bruno Sarmento
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; CESPU - Instituto de Investigação e Formação Avançada em Ciências e Tecnologias da Saúde and Instituto Universitário de Ciências da Saúde, 4585-116 Gandra, Portugal.
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Foss S, Grevys A, Sand KMK, Bern M, Blundell P, Michaelsen TE, Pleass RJ, Sandlie I, Andersen JT. Enhanced FcRn-dependent transepithelial delivery of IgG by Fc-engineering and polymerization. J Control Release 2015; 223:42-52. [PMID: 26718855 DOI: 10.1016/j.jconrel.2015.12.033] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2015] [Revised: 12/14/2015] [Accepted: 12/19/2015] [Indexed: 01/28/2023]
Abstract
Monoclonal IgG antibodies (Abs) are used extensively in the clinic to treat cancer and autoimmune diseases. In addition, therapeutic proteins are genetically fused to the constant Fc part of IgG. In both cases, the Fc secures a long serum half-life and favourable pharmacokinetics due to its pH-dependent interaction with the neonatal Fc receptor (FcRn). FcRn also mediates transport of intact IgG across polarized epithelial barriers, a pathway that is attractive for delivery of Fc-containing therapeutics. So far, no study has thoroughly compared side-by-side how IgG and different Fc-fusion formats are transported across human polarizing epithelial cells. Here, we used an in vitro cellular transport assay based on the human polarizing epithelial cell line (T84) in which both IgG1 and Fc-fusions were transported in an FcRn-dependent manner. Furthermore, we found that the efficacy of transport was dependent on the format. We demonstrate that transepithelial delivery could be enhanced by Fc-engineering for improved FcRn binding as well as by Fc-polymerization. In both cases, transport was driven by pH-dependent binding kinetics and the pH at the luminal side. Hence, efficient transcellular delivery of IgG-based drugs across human epithelial cells requires optimal pH-dependent FcRn binding that can be manipulated by avidity and Fc-engineering, factors that should inspire the design of future therapeutics targeted for transmucosal delivery.
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Affiliation(s)
- Stian Foss
- Centre for Immune Regulation (CIR), Department of Biosciences, University of Oslo, N-0316, Oslo, Norway; Department of Immunology and CIR, Oslo University Hospital, Rikshospitalet, University of Oslo, N-0372, Oslo, Norway
| | - Algirdas Grevys
- Centre for Immune Regulation (CIR), Department of Biosciences, University of Oslo, N-0316, Oslo, Norway; Department of Immunology and CIR, Oslo University Hospital, Rikshospitalet, University of Oslo, N-0372, Oslo, Norway
| | - Kine Marita Knudsen Sand
- Centre for Immune Regulation (CIR), Department of Biosciences, University of Oslo, N-0316, Oslo, Norway; Department of Immunology and CIR, Oslo University Hospital, Rikshospitalet, University of Oslo, N-0372, Oslo, Norway
| | - Malin Bern
- Centre for Immune Regulation (CIR), Department of Biosciences, University of Oslo, N-0316, Oslo, Norway; Department of Immunology and CIR, Oslo University Hospital, Rikshospitalet, University of Oslo, N-0372, Oslo, Norway
| | - Pat Blundell
- Liverpool School of Tropical Medicine, Pembroke Place, Liverpool L3 5QA, UK
| | - Terje E Michaelsen
- Department of Bacteriology and Immunology, Norwegian Institute of Public Health, Oslo, Norway; Department of Chemical Pharmacy, School of Pharmacy, University of Oslo, Oslo, Norway
| | - Richard J Pleass
- Liverpool School of Tropical Medicine, Pembroke Place, Liverpool L3 5QA, UK
| | - Inger Sandlie
- Centre for Immune Regulation (CIR), Department of Biosciences, University of Oslo, N-0316, Oslo, Norway; Department of Immunology and CIR, Oslo University Hospital, Rikshospitalet, University of Oslo, N-0372, Oslo, Norway
| | - Jan Terje Andersen
- Centre for Immune Regulation (CIR), Department of Biosciences, University of Oslo, N-0316, Oslo, Norway; Department of Immunology and CIR, Oslo University Hospital, Rikshospitalet, University of Oslo, N-0372, Oslo, Norway.
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Abdiche YN, Yeung YA, Chaparro-Riggers J, Barman I, Strop P, Chin SM, Pham A, Bolton G, McDonough D, Lindquist K, Pons J, Rajpal A. The neonatal Fc receptor (FcRn) binds independently to both sites of the IgG homodimer with identical affinity. MAbs 2015; 7:331-43. [PMID: 25658443 PMCID: PMC4622529 DOI: 10.1080/19420862.2015.1008353] [Citation(s) in RCA: 95] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
The neonatal Fc receptor (FcRn) is expressed by cells of epithelial, endothelial and myeloid lineages and performs multiple roles in adaptive immunity. Characterizing the FcRn/IgG interaction is fundamental to designing therapeutic antibodies because IgGs with moderately increased binding affinities for FcRn exhibit superior serum half-lives and efficacy. It has been hypothesized that 2 FcRn molecules bind an IgG homodimer with disparate affinities, yet their affinity constants are inconsistent across the literature. Using surface plasmon resonance biosensor assays that eliminated confounding experimental artifacts, we present data supporting an alternate hypothesis: 2 FcRn molecules saturate an IgG homodimer with identical affinities at independent sites, consistent with the symmetrical arrangement of the FcRn/Fc complex observed in the crystal structure published by Burmeister et al. in 1994. We find that human FcRn binds human IgG1 with an equilibrium dissociation constant (KD) of 760 ± 60 nM (N = 14) at 25°C and pH 5.8, and shows less than 25% variation across the other human subtypes. Human IgG1 binds cynomolgus monkey FcRn with a 2-fold higher affinity than human FcRn, and binds both mouse and rat FcRn with a 10-fold higher affinity than human FcRn. FcRn/IgG interactions from multiple species show less than a 2-fold weaker affinity at 37°C than at 25°C and appear independent of an IgG's variable region. Our in vivo data in mouse and rat models demonstrate that both affinity and avidity influence an IgG's serum half-life, which should be considered when choosing animals, especially transgenic systems, as surrogates.
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Key Words
- CFCA, calibration-free concentration analysis
- FcRn
- FcRn, neonatal Fc receptor
- IgG
- RU, response units
- Rmax, maximum binding response
- SPR
- SPR, surface plasmon resonance
- WT, wild-type
- anti-Id, anti-idiotypic
- cyFcRn, cynomolgus monkey FcRn
- cyIgG, cynomolgus monkey IgG
- hErbB2, human ErbB2
- hFcRn, human FcRn
- hIgG, human IgG
- label-free biosensor
- mAb, monoclonal antibody
- mFcRn, mouse FcRn
- neonatal Fc receptor
- pI, isoelectric point
- rFcRn, rat FcRn
- rIgG, rat IgG
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Yu M, Wu J, Shi J, Farokhzad OC. Nanotechnology for protein delivery: Overview and perspectives. J Control Release 2015; 240:24-37. [PMID: 26458789 DOI: 10.1016/j.jconrel.2015.10.012] [Citation(s) in RCA: 243] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2015] [Revised: 10/06/2015] [Accepted: 10/07/2015] [Indexed: 12/18/2022]
Abstract
Protein-based therapeutics have made a significant impact in the treatment of a variety of important human diseases. However, given their intrinsically vulnerable structure and susceptibility to enzymatic degradation, many therapeutic proteins such as enzymes, growth factors, hormones, and cytokines suffer from poor physicochemical/biological stability and immunogenicity that may limit their potential benefits, and in some cases limit their utility. Furthermore, when protein therapeutics are developed for intracellular targets, their internalization and biological activity may be limited by inefficient membrane permeability and/or endosomal escape. Development of effective protein delivery strategies is therefore essential to further enhance therapeutic outcomes to enable widespread medical applications. This review discusses the advantages and limitations of marketed and developmental-stage protein delivery strategies, and provides a focused overview of recent advances in nanotechnology platforms for the systemic delivery of therapeutic proteins. In addition, we also highlight nanoparticle-mediated non-invasive administration approaches (e.g., oral, nasal, pulmonary, and transdermal routes) for protein delivery.
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Affiliation(s)
- Mikyung Yu
- Laboratory of Nanomedicine and Biomaterials, Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, United States
| | - Jun Wu
- Laboratory of Nanomedicine and Biomaterials, Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, United States
| | - Jinjun Shi
- Laboratory of Nanomedicine and Biomaterials, Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, United States.
| | - Omid C Farokhzad
- Laboratory of Nanomedicine and Biomaterials, Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, United States; King Abdulaziz University, Jeddah, Saudi Arabia.
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47
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Hertel SP, Winter G, Friess W. Protein stability in pulmonary drug delivery via nebulization. Adv Drug Deliv Rev 2015; 93:79-94. [PMID: 25312674 DOI: 10.1016/j.addr.2014.10.003] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2013] [Revised: 08/22/2014] [Accepted: 10/01/2014] [Indexed: 10/24/2022]
Abstract
Protein inhalation is a delivery route which offers high potential for direct local lung application of proteins. Liquid formulations are usually available in early stages of biopharmaceutical development and nebulizers are the device of choice for atomization avoiding additional process steps like drying and enabling fast progression to clinical trials. While some proteins were proven to remain stable throughout aerosolization e.g. DNase, many biopharmaceuticals are more susceptible towards the stresses encountered during nebulization. The main reason for protein instability is unfolding and aggregation at the air-liquid interface, a problem which is of particular challenge in the case of ultrasound and jet nebulizers due to recirculation of much of the generated droplets. Surfactants are an important formulation component to protect the sensitive biomolecules. A second important challenge is warming of ultrasound and vibrating mesh devices, which can be overcome by overfilling, precooled solutions or cooling of the reservoir. Ultimately, formulation development has to go hand in hand with device evaluation.
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48
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The neonatal Fc receptor, FcRn, as a target for drug delivery and therapy. Adv Drug Deliv Rev 2015; 91:109-24. [PMID: 25703189 DOI: 10.1016/j.addr.2015.02.005] [Citation(s) in RCA: 162] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2014] [Revised: 02/10/2015] [Accepted: 02/11/2015] [Indexed: 12/22/2022]
Abstract
Immunoglobulin G (IgG)-based drugs are arguably the most successful class of protein therapeutics due in part to their remarkably long blood circulation. This arises from IgG interaction with the neonatal Fc receptor, FcRn. FcRn is the central regulator of IgG and albumin homeostasis throughout life and is increasingly being recognized as an important player in autoimmune disease, mucosal immunity, and tumor immune surveillance. Various engineering approaches that hijack or disrupt the FcRn-mediated transport pathway have been devised to develop long-lasting and non-invasive protein therapeutics, protein subunit vaccines, and therapeutics for treatment of autoimmune and infectious disease. In this review, we highlight the diverse biological functions of FcRn, emerging therapeutic opportunities, as well as the associated challenges of targeting FcRn for drug delivery and disease therapy.
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49
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Pyzik M, Rath T, Lencer WI, Baker K, Blumberg RS. FcRn: The Architect Behind the Immune and Nonimmune Functions of IgG and Albumin. THE JOURNAL OF IMMUNOLOGY 2015; 194:4595-603. [PMID: 25934922 DOI: 10.4049/jimmunol.1403014] [Citation(s) in RCA: 169] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The neonatal FcR (FcRn) belongs to the extensive and functionally divergent family of MHC molecules. Contrary to classical MHC family members, FcRn possesses little diversity and is unable to present Ags. Instead, through its capacity to bind IgG and albumin with high affinity at low pH, it regulates the serum half-lives of both of these proteins. In addition, FcRn plays an important role in immunity at mucosal and systemic sites through its ability to affect the lifespan of IgG, as well as its participation in innate and adaptive immune responses. Although the details of its biology are still emerging, the ability of FcRn to rescue albumin and IgG from early degradation represents an attractive approach to alter the plasma half-life of pharmaceuticals. We review some of the most novel aspects of FcRn biology, immune as well as nonimmune, and provide some examples of FcRn-based therapies.
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Affiliation(s)
- Michal Pyzik
- Division of Gastroenterology, Brigham and Women's Hospital, Boston, MA 02115; Department of Medicine, Harvard Medical School, Boston, MA 02115
| | - Timo Rath
- Division of Gastroenterology, Brigham and Women's Hospital, Boston, MA 02115; Department of Medicine, Harvard Medical School, Boston, MA 02115; Division of Gastroenterology, Department of Medicine, Erlangen University Hospital, Friedrich Alexander University Erlangen-Nueremberg, 91054 Erlangen, Germany
| | - Wayne I Lencer
- Division of Gastroenterology, Hepatology, and Nutrition, Boston Children's Hospital, Boston, MA 02115; Harvard Digestive Diseases Center, Boston, MA 02115; and Department of Pediatrics, Harvard Medical School, Boston, MA 02115
| | - Kristi Baker
- Division of Gastroenterology, Brigham and Women's Hospital, Boston, MA 02115; Department of Medicine, Harvard Medical School, Boston, MA 02115
| | - Richard S Blumberg
- Division of Gastroenterology, Brigham and Women's Hospital, Boston, MA 02115; Department of Medicine, Harvard Medical School, Boston, MA 02115; Harvard Digestive Diseases Center, Boston, MA 02115; and
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50
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The role of albumin receptors in regulation of albumin homeostasis: Implications for drug delivery. J Control Release 2015; 211:144-62. [PMID: 26055641 DOI: 10.1016/j.jconrel.2015.06.006] [Citation(s) in RCA: 140] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2015] [Revised: 06/02/2015] [Accepted: 06/04/2015] [Indexed: 12/20/2022]
Abstract
Albumin is the most abundant protein in blood and acts as a molecular taxi for a plethora of small insoluble substances such as nutrients, hormones, metals and toxins. In addition, it binds a range of medical drugs. It has an unusually long serum half-life of almost 3weeks, and although the structure and function of albumin has been studied for decades, a biological explanation for the long half-life has been lacking. Now, recent research has unravelled that albumin-binding cellular receptors play key roles in the homeostatic regulation of albumin. Here, we review our current understanding of albumin homeostasis with a particular focus on the impact of the cellular receptors, namely the neonatal Fc receptor (FcRn) and the cubilin-megalin complex, and we discuss their importance on uses of albumin in drug delivery.
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