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Song F, Kovac V, Mohammadi B, Littau JL, Scharfenberg F, Matamoros Angles A, Vanni I, Shafiq M, Orge L, Galliciotti G, Djakkani S, Linsenmeier L, Černilec M, Hartman K, Jung S, Tatzelt J, Neumann JE, Damme M, Tschirner SK, Lichtenthaler SF, Ricklefs FL, Sauvigny T, Schmitz M, Zerr I, Puig B, Tolosa E, Ferrer I, Magnus T, Rupnik MS, Sepulveda-Falla D, Matschke J, Šmid LM, Bresjanac M, Andreoletti O, Krasemann S, Foliaki ST, Nonno R, Becker-Pauly C, Monzo C, Crozet C, Haigh CL, Glatzel M, Curin Serbec V, Altmeppen HC. Cleavage site-directed antibodies reveal the prion protein in humans is shed by ADAM10 at Y226 and associates with misfolded protein deposits in neurodegenerative diseases. Acta Neuropathol 2024; 148:2. [PMID: 38980441 PMCID: PMC11233397 DOI: 10.1007/s00401-024-02763-5] [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: 04/24/2024] [Revised: 06/28/2024] [Accepted: 07/03/2024] [Indexed: 07/10/2024]
Abstract
Proteolytic cell surface release ('shedding') of the prion protein (PrP), a broadly expressed GPI-anchored glycoprotein, by the metalloprotease ADAM10 impacts on neurodegenerative and other diseases in animal and in vitro models. Recent studies employing the latter also suggest shed PrP (sPrP) to be a ligand in intercellular communication and critically involved in PrP-associated physiological tasks. Although expectedly an evolutionary conserved event, and while soluble forms of PrP are present in human tissues and body fluids, for the human body neither proteolytic PrP shedding and its cleavage site nor involvement of ADAM10 or the biological relevance of this process have been demonstrated thus far. In this study, cleavage site prediction and generation (plus detailed characterization) of sPrP-specific antibodies enabled us to identify PrP cleaved at tyrosin 226 as the physiological and apparently strictly ADAM10-dependent shed form in humans. Using cell lines, neural stem cells and brain organoids, we show that shedding of human PrP can be stimulated by PrP-binding ligands without targeting the protease, which may open novel therapeutic perspectives. Site-specific antibodies directed against human sPrP also detect the shed form in brains of cattle, sheep and deer, hence in all most relevant species naturally affected by fatal and transmissible prion diseases. In human and animal prion diseases, but also in patients with Alzheimer`s disease, sPrP relocalizes from a physiological diffuse tissue pattern to intimately associate with extracellular aggregated deposits of misfolded proteins characteristic for the respective pathological condition. Findings and research tools presented here will accelerate novel insight into the roles of PrP shedding (as a process) and sPrP (as a released factor) in neurodegeneration and beyond.
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Affiliation(s)
- Feizhi Song
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Valerija Kovac
- Centre for Immunology and Development, Blood Transfusion Centre of Slovenia (BTCS), Ljubljana, Slovenia
| | - Behnam Mohammadi
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Jessica L Littau
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | | | - Andreu Matamoros Angles
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Ilaria Vanni
- Department of Food Safety and Veterinary Public Health, Istituto Superiore di Sanità, Rome, Italy
| | - Mohsin Shafiq
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Leonor Orge
- National Institute for Agricultural and Veterinary Research (INIAV), Oeiras, Portugal
- Animal and Veterinary Research Centre (CECAV), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal
| | - Giovanna Galliciotti
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Salma Djakkani
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Luise Linsenmeier
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Maja Černilec
- Centre for Immunology and Development, Blood Transfusion Centre of Slovenia (BTCS), Ljubljana, Slovenia
| | - Katrina Hartman
- Centre for Immunology and Development, Blood Transfusion Centre of Slovenia (BTCS), Ljubljana, Slovenia
| | - Sebastian Jung
- Department of Biochemistry of Neurodegenerative Diseases, Institute of Biochemistry and Pathobiochemistry, Ruhr University Bochum, Bochum, Germany
| | - Jörg Tatzelt
- Department of Biochemistry of Neurodegenerative Diseases, Institute of Biochemistry and Pathobiochemistry, Ruhr University Bochum, Bochum, Germany
- Cluster of Excellence RESOLV, Ruhr University Bochum, Bochum, Germany
| | - Julia E Neumann
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
- Center for Molecular Neurobiology Hamburg (ZMNH), UKE, Hamburg, Germany
| | - Markus Damme
- Institute of Biochemistry, University of Kiel, Kiel, Germany
| | - Sarah K Tschirner
- German Center for Neurodegenerative Diseases (DZNE), Munich, Germany
- Neuroproteomics, School of Medicine and Health, Klinikum rechts der Isar, Technical University Munich, 81675, Munich, Germany
| | - Stefan F Lichtenthaler
- German Center for Neurodegenerative Diseases (DZNE), Munich, Germany
- Neuroproteomics, School of Medicine and Health, Klinikum rechts der Isar, Technical University Munich, 81675, Munich, Germany
- Munich Cluster for Systems Neurology (SyNergy), Munich, Germany
| | - Franz L Ricklefs
- Department of Neurosurgery, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Thomas Sauvigny
- Department of Neurosurgery, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Matthias Schmitz
- Department of Neurology, University Medical Center Göttingen, Göttingen, Germany
| | - Inga Zerr
- Department of Neurology, University Medical Center Göttingen, Göttingen, Germany
| | - Berta Puig
- Department of Neurology, Experimental Research in Stroke and Inflammation (ERSI), UKE, Hamburg, Germany
| | - Eva Tolosa
- Department of Immunology, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Isidro Ferrer
- Department of Pathology and Experimental Therapeutics, University of Barcelona, IDIBELL, Hospitalet de Llobregat, Spain
| | - Tim Magnus
- Department of Neurology, Experimental Research in Stroke and Inflammation (ERSI), UKE, Hamburg, Germany
| | - Marjan S Rupnik
- Center for Physiology and Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Diego Sepulveda-Falla
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Jakob Matschke
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Lojze M Šmid
- LNPR, Institute of Pathophysiology and Prion Laboratory, Institute of Pathology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Mara Bresjanac
- LNPR, Institute of Pathophysiology and Prion Laboratory, Institute of Pathology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Olivier Andreoletti
- UMR INRAE ENVT 1225, Interactions Hôtes-Agents Pathogènes, École Nationale Vétérinaire de Toulouse, Toulouse, France
| | - Susanne Krasemann
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Simote T Foliaki
- Laboratory of Persistent Viral Diseases, Division of Intramural Research, Rocky Mountain Laboratories, National Institutes of Health, Hamilton, MT, USA
| | - Romolo Nonno
- Department of Food Safety and Veterinary Public Health, Istituto Superiore di Sanità, Rome, Italy
| | | | - Cecile Monzo
- Institute for Regenerative Medicine and Biotherapies (IRMB), Neural Stem Cell, MSC and Neurodegenerative Diseases, INSERM, Montpellier, France
| | - Carole Crozet
- Institute for Regenerative Medicine and Biotherapies (IRMB), Neural Stem Cell, MSC and Neurodegenerative Diseases, INSERM, Montpellier, France
| | - Cathryn L Haigh
- Laboratory of Persistent Viral Diseases, Division of Intramural Research, Rocky Mountain Laboratories, National Institutes of Health, Hamilton, MT, USA
| | - Markus Glatzel
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Vladka Curin Serbec
- Centre for Immunology and Development, Blood Transfusion Centre of Slovenia (BTCS), Ljubljana, Slovenia.
| | - Hermann C Altmeppen
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany.
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Chiu ML, Goulet DR, Teplyakov A, Gilliland GL. Antibody Structure and Function: The Basis for Engineering Therapeutics. Antibodies (Basel) 2019; 8:antib8040055. [PMID: 31816964 PMCID: PMC6963682 DOI: 10.3390/antib8040055] [Citation(s) in RCA: 229] [Impact Index Per Article: 45.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 11/25/2019] [Accepted: 11/28/2019] [Indexed: 12/11/2022] Open
Abstract
Antibodies and antibody-derived macromolecules have established themselves as the mainstay in protein-based therapeutic molecules (biologics). Our knowledge of the structure–function relationships of antibodies provides a platform for protein engineering that has been exploited to generate a wide range of biologics for a host of therapeutic indications. In this review, our basic understanding of the antibody structure is described along with how that knowledge has leveraged the engineering of antibody and antibody-related therapeutics having the appropriate antigen affinity, effector function, and biophysical properties. The platforms examined include the development of antibodies, antibody fragments, bispecific antibody, and antibody fusion products, whose efficacy and manufacturability can be improved via humanization, affinity modulation, and stability enhancement. We also review the design and selection of binding arms, and avidity modulation. Different strategies of preparing bispecific and multispecific molecules for an array of therapeutic applications are included.
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Affiliation(s)
- Mark L. Chiu
- Drug Product Development Science, Janssen Research & Development, LLC, Malvern, PA 19355, USA
- Correspondence:
| | - Dennis R. Goulet
- Department of Medicinal Chemistry, University of Washington, P.O. Box 357610, Seattle, WA 98195-7610, USA;
| | - Alexey Teplyakov
- Biologics Research, Janssen Research & Development, LLC, Spring House, PA 19477, USA; (A.T.); (G.L.G.)
| | - Gary L. Gilliland
- Biologics Research, Janssen Research & Development, LLC, Spring House, PA 19477, USA; (A.T.); (G.L.G.)
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Cong X, Cremer C, Nachreiner T, Barth S, Carloni P. Engineered human angiogenin mutations in the placental ribonuclease inhibitor complex for anticancer therapy: Insights from enhanced sampling simulations. Protein Sci 2016; 25:1451-60. [PMID: 27110669 PMCID: PMC4972201 DOI: 10.1002/pro.2941] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Accepted: 04/20/2016] [Indexed: 01/29/2023]
Abstract
Targeted human cytolytic fusion proteins (hCFPs) represent a new generation of immunotoxins (ITs) for the specific targeting and elimination of malignant cell populations. Unlike conventional ITs, hCFPs comprise a human/humanized target cell-specific binding moiety (e.g., an antibody or a fragment thereof) fused to a human proapoptotic protein as the cytotoxic domain (effector domain). Therefore, hCFPs are humanized ITs expected to have low immunogenicity. This reduces side effects and allows long-term application. The human ribonuclease angiogenin (Ang) has been shown to be a promising effector domain candidate. However, the application of Ang-based hCFPs is largely hampered by the intracellular placental ribonuclease inhibitor (RNH1). It rapidly binds and inactivates Ang. Mutations altering Ang's affinity for RNH1 modulate the cytotoxicity of Ang-based hCFPs. Here we perform in total 2.7 µs replica-exchange molecular dynamics simulations to investigate some of these mutations-G85R/G86R (GGRRmut ), Q117G (QGmut ), and G85R/G86R/Q117G (GGRR/QGmut ). GGRRmut turns out to perturb greatly the overall Ang-RNH1 interactions, whereas QGmut optimizes them. Combining QGmut with GGRRmut compensates the effects of the latter. Our results explain the in vitro finding that, while Ang GGRRmut -based hCFPs resist RNH1 inhibition remarkably, Ang WT- and Ang QGmut -based ones are similarly sensitive to RNH1 inhibition, whereas Ang GGRR/QGmut -based ones are only slightly resistant. This work may help design novel Ang mutants with reduced affinity for RNH1 and improved cytotoxicity.
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Affiliation(s)
- Xiaojing Cong
- Computational Biophysics, German Research School for Simulation Sciences (Joint Venture of RWTH Aachen University and Forschungszentrum Jülich)Jülich52428Germany
- Computational Biomedicine Section, Institute for Advanced Simulations ‐ 5 (IAS‐5)Jülich52428GermanyForschungszentrum Jülich
- Computational Biomedicine Section, Institute for Neuroscience and Medicine ‐ 9 (INM‐9)Jülich52428GermanyForschungszentrum Jülich
| | - Christian Cremer
- Department of Experimental Medicine and Immunotherapy, Institute for Applied Medical EngineeringUniversity Hospital RWTH AachenAachen52074Germany
| | - Thomas Nachreiner
- Department of Experimental Medicine and Immunotherapy, Institute for Applied Medical EngineeringUniversity Hospital RWTH AachenAachen52074Germany
| | - Stefan Barth
- Institute of Infectious Disease and Molecular Medicine (IDM), Faculty of Health Sciences, University of Cape TownCape Town7925South Africa
- South African Research Chair in Cancer Biotechnology, Department of Integrative Biomedical Sciences, Faculty of Health SciencesUniversity of Cape Town7925Cape TownSouth Africa
| | - Paolo Carloni
- Computational Biophysics, German Research School for Simulation Sciences (Joint Venture of RWTH Aachen University and Forschungszentrum Jülich)Jülich52428Germany
- Computational Biomedicine Section, Institute for Advanced Simulations ‐ 5 (IAS‐5)Jülich52428GermanyForschungszentrum Jülich
- Computational Biomedicine Section, Institute for Neuroscience and Medicine ‐ 9 (INM‐9)Jülich52428GermanyForschungszentrum Jülich
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Gil LAF, da Cunha CEP, Moreira GMSG, Salvarani FM, Assis RA, Lobato FCF, Mendonça M, Dellagostin OA, Conceição FR. Production and evaluation of a recombinant chimeric vaccine against clostridium botulinum neurotoxin types C and D. PLoS One 2013; 8:e69692. [PMID: 23936080 PMCID: PMC3729698 DOI: 10.1371/journal.pone.0069692] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2012] [Accepted: 05/25/2013] [Indexed: 11/19/2022] Open
Abstract
Bovine botulism is a fatal disease that is caused by botulinum neurotoxins (BoNTs) produced by Clostridium botulinum serotypes C and D and that causes great economic losses, with nearly 100% lethality during outbreaks. It has also been considered a potential source of human food-borne illness in many countries. Vaccination has been reported to be the most effective way to control bovine botulism. However, the commercially available toxoid-based vaccines are difficult and hazardous to produce. Neutralizing antibodies targeted against the C-terminal fragment of the BoNT heavy chain (HC) are known to confer efficient protection against lethal doses of BoNTs. In this study, a novel recombinant chimera, consisting of Escherichia coli heat-labile enterotoxin B subunit (LTB), a strong adjuvant of the humoral immune response, fused to the HC of BoNT serotypes C and D, was produced in E. coli. Mice vaccinated with the chimera containing LTB and an equivalent molar ratio of the chimera without LTB plus aluminum hydroxide (Al(OH)3) developed 2 IU/mL of antitoxins for both serotypes. Guinea pigs immunized with the recombinant chimera with LTB plus Al(OH)3 developed a protective immune response against both BoNT/C (5 IU/mL) and BoNT/D (10 IU/mL), as determined by a mouse neutralization bioassay with pooled sera. The results achieved with guinea pig sera fulfilled the requirements of commercial vaccines for prevention of botulism, as determined by the Brazilian Ministry of Agriculture, Livestock and Food, Supply. The presence of LTB was essential for the development of a strong humoral immune response, as it acted in synergism with Al(OH)3. Thus, the vaccine described in this study is a strong candidate for the control of botulism in cattle.
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Affiliation(s)
- Luciana A. F. Gil
- Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Carlos Eduardo P. da Cunha
- Centro de Desenvolvimento Tecnológico, Núcleo de Biotecnologia, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Gustavo M. S. G. Moreira
- Centro de Desenvolvimento Tecnológico, Núcleo de Biotecnologia, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Felipe M. Salvarani
- Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Ronnie A. Assis
- Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | | | - Marcelo Mendonça
- Centro de Desenvolvimento Tecnológico, Núcleo de Biotecnologia, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Odir A. Dellagostin
- Centro de Desenvolvimento Tecnológico, Núcleo de Biotecnologia, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Fabricio R. Conceição
- Centro de Desenvolvimento Tecnológico, Núcleo de Biotecnologia, Universidade Federal de Pelotas, Pelotas, RS, Brazil
- * E-mail:
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Kubota T, Hamazoe Y, Hashiguchi S, Ishibashi D, Akasaka K, Nishida N, Katamine S, Sakaguchi S, Kuroki R, Nakashima T, Sugimura K. Direct evidence of generation and accumulation of β-sheet-rich prion protein in scrapie-infected neuroblastoma cells with human IgG1 antibody specific for β-form prion protein. J Biol Chem 2012; 287:14023-39. [PMID: 22356913 DOI: 10.1074/jbc.m111.318352] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
We prepared β-sheet-rich recombinant full-length prion protein (β-form PrP) (Jackson, G. S., Hosszu, L. L., Power, A., Hill, A. F., Kenney, J., Saibil, H., Craven, C. J., Waltho, J. P., Clarke, A. R., and Collinge, J. (1999) Science 283, 1935-1937). Using this β-form PrP and a human single chain Fv-displaying phage library, we have established a human IgG1 antibody specific to β-form but not α-form PrP, PRB7 IgG. When prion-infected ScN2a cells were cultured with PRB7 IgG, they generated and accumulated PRB7-binding granules in the cytoplasm with time, consequently becoming apoptotic cells bearing very large PRB7-bound aggregates. The SAF32 antibody recognizing the N-terminal octarepeat region of full-length PrP stained distinct granules in these cells as determined by confocal laser microscopy observation. When the accumulation of proteinase K-resistant PrP was examined in prion-infected ScN2a cells cultured in the presence of PRB7 IgG or SAF32, it was strongly inhibited by SAF32 but not at all by PRB7 IgG. Thus, we demonstrated direct evidence of the generation and accumulation of β-sheet-rich PrP in ScN2a cells de novo. These results suggest first that PRB7-bound PrP is not responsible for the accumulation of β-form PrP aggregates, which are rather an end product resulting in the triggering of apoptotic cell death, and second that SAF32-bound PrP lacking the PRB7-recognizing β-form may represent so-called PrP(Sc) with prion propagation activity. PRB7 is the first human antibody specific to β-form PrP and has become a powerful tool for the characterization of the biochemical nature of prion and its pathology.
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Affiliation(s)
- Toshiya Kubota
- Department of Chemistry, Biotechnology, and Chemical Engineering, Graduate School of Science and Engineering, Kagoshima University, Kagoshima 890-0065, Japan
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