1
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Tanriver M, Müller M, Levasseur MD, Richards D, Majima S, DeMello A, Yamauchi Y, Bode JW. Peptide-Directed Attachment of Hydroxylamines to Specific Lysines of IgG Antibodies for Bioconjugations with Acylboronates. Angew Chem Int Ed Engl 2024; 63:e202401080. [PMID: 38421342 DOI: 10.1002/anie.202401080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 02/11/2024] [Accepted: 02/13/2024] [Indexed: 03/02/2024]
Abstract
The role of monoclonal antibodies as vehicles to deliver payloads has evolved as a powerful tool in cancer therapy in recent years. The clinical development of therapeutic antibody conjugates with precise payloads holds great promise for targeted therapeutic interventions. The use of affinity-peptide mediated functionalization of native off-the-shelf antibodies offers an effective approach to selectively modify IgG antibodies with a drug-antibody ratio (DAR) of 2. Here, we report the traceless, peptide-directed attachment of two hydroxylamines to native IgGs followed by chemoselective potassium acyltrifluoroborate (KAT) ligation with quinolinium acyltrifluoroborates (QATs), which provide enhanced ligation rates with hydroxylamines under physiological conditions. By applying KAT ligation to the modified antibodies, conjugation of small molecules, proteins, and oligonucleotides to off-the-shelf IgGs proceeds efficiently, in good yields, and with simultaneous cleavage of the affinity peptide-directing moiety.
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Affiliation(s)
- Matthias Tanriver
- Department of Chemistry and Applied Biosciences, ETH Zürich, 8093, Zürich, Switzerland
| | - Marco Müller
- Department of Chemistry and Applied Biosciences, ETH Zürich, 8093, Zürich, Switzerland
| | - Mikail D Levasseur
- Department of Chemistry and Applied Biosciences, ETH Zürich, 8093, Zürich, Switzerland
| | - Daniel Richards
- Department of Chemistry and Applied Biosciences, ETH Zürich, 8093, Zürich, Switzerland
| | - Sohei Majima
- Department of Chemistry and Applied Biosciences, ETH Zürich, 8093, Zürich, Switzerland
| | - Andrew DeMello
- Department of Chemistry and Applied Biosciences, ETH Zürich, 8093, Zürich, Switzerland
| | - Yohei Yamauchi
- Department of Chemistry and Applied Biosciences, ETH Zürich, 8093, Zürich, Switzerland
| | - Jeffrey W Bode
- Department of Chemistry and Applied Biosciences, ETH Zürich, 8093, Zürich, Switzerland
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2
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Dranseike D, Ota Y, Edwardson TGW, Guzzi EA, Hori M, Nakic ZR, Deshmukh DV, Levasseur MD, Mattli K, Tringides CM, Zhou J, Hilvert D, Peters C, Tibbitt MW. Designed modular protein hydrogels for biofabrication. Acta Biomater 2024; 177:107-117. [PMID: 38382830 DOI: 10.1016/j.actbio.2024.02.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 02/01/2024] [Accepted: 02/13/2024] [Indexed: 02/23/2024]
Abstract
Designing proteins that fold and assemble over different length scales provides a way to tailor the mechanical properties and biological performance of hydrogels. In this study, we designed modular proteins that self-assemble into fibrillar networks and, as a result, form hydrogel materials with novel properties. We incorporated distinct functionalities by connecting separate self-assembling (A block) and cell-binding (B block) domains into single macromolecules. The number of self-assembling domains affects the rigidity of the fibers and the final storage modulus G' of the materials. The mechanical properties of the hydrogels could be tuned over a broad range (G' = 0.1 - 10 kPa), making them suitable for the cultivation and differentiation of multiple cell types, including cortical neurons and human mesenchymal stem cells. Moreover, we confirmed the bioavailability of cell attachment domains in the hydrogels that can be further tailored for specific cell types or other biological applications. Finally, we demonstrate the versatility of the designed proteins for application in biofabrication as 3D scaffolds that support cell growth and guide their function. STATEMENT OF SIGNIFICANCE: Designed proteins that enable the decoupling of biophysical and biochemical properties within the final material could enable modular biomaterial engineering. In this context, we present a designed modular protein platform that integrates self-assembling domains (A blocks) and cell-binding domains (B blocks) within a single biopolymer. The linking of assembly domains and cell-binding domains this way provided independent tuning of mechanical properties and inclusion of biofunctional domains. We demonstrate the use of this platform for biofabrication, including neural cell culture and 3D printing of scaffolds for mesenchymal stem cell culture and differentiation. Overall, this work highlights how informed design of biopolymer sequences can enable the modular design of protein-based hydrogels with independently tunable biophysical and biochemical properties.
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Affiliation(s)
- Dalia Dranseike
- Macromolecular Engineering Laboratory, ETH Zurich, Zurich, Switzerland
| | - Yusuke Ota
- Organic Chemistry Laboratory, ETH Zurich, Zurich, Switzerland
| | | | - Elia A Guzzi
- Macromolecular Engineering Laboratory, ETH Zurich, Zurich, Switzerland
| | - Mao Hori
- Organic Chemistry Laboratory, ETH Zurich, Zurich, Switzerland
| | | | | | | | - Kevin Mattli
- Biosystems Technology, ZHAW, Wädenswil, Switzerland
| | | | - Jiangtao Zhou
- Laboratory of Food and Soft Materials, ETH Zurich, Switzerland
| | - Donald Hilvert
- Organic Chemistry Laboratory, ETH Zurich, Zurich, Switzerland.
| | | | - Mark W Tibbitt
- Macromolecular Engineering Laboratory, ETH Zurich, Zurich, Switzerland.
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3
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Kaster M, Levasseur MD, Edwardson TGW, Caldwell MA, Hofmann D, Licciardi G, Parigi G, Luchinat C, Hilvert D, Meade TJ. Engineered Nonviral Protein Cages Modified for MR Imaging. ACS Appl Bio Mater 2023; 6:591-602. [PMID: 36626688 PMCID: PMC9945100 DOI: 10.1021/acsabm.2c00892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 11/23/2022] [Indexed: 01/11/2023]
Abstract
Diagnostic medical imaging utilizes magnetic resonance (MR) to provide anatomical, functional, and molecular information in a single scan. Nanoparticles are often labeled with Gd(III) complexes to amplify the MR signal of contrast agents (CAs) with large payloads and high proton relaxation efficiencies (relaxivity, r1). This study examined the MR performance of two structurally unique cages, AaLS-13 and OP, labeled with Gd(III). The cages have characteristics relevant for the development of theranostic platforms, including (i) well-defined structure, symmetry, and size; (ii) the amenability to extensive engineering; (iii) the adjustable loading of therapeutically relevant cargo molecules; (iv) high physical stability; and (v) facile manufacturing by microbial fermentation. The resulting conjugates showed significantly enhanced proton relaxivity (r1 = 11-18 mM-1 s-1 at 1.4 T) compared to the Gd(III) complex alone (r1 = 4 mM-1 s-1). Serum phantom images revealed 107% and 57% contrast enhancements for Gd(III)-labeled AaLS-13 and OP cages, respectively. Moreover, proton nuclear magnetic relaxation dispersion (1H NMRD) profiles showed maximum relaxivity values of 50 mM-1 s-1. Best-fit analyses of the 1H NMRD profiles attributed the high relaxivity of the Gd(III)-labeled cages to the slow molecular tumbling of the conjugates and restricted local motion of the conjugated Gd(III) complex.
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Affiliation(s)
- Megan
A. Kaster
- Departments
of Chemistry, Molecular Biosciences, Neurobiology and Radiology, Northwestern University, 2145 N. Sheridan Road, Evanston, Illinois60208, United States
| | - Mikail D. Levasseur
- Laboratory
of Organic Chemistry, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, Zürich8093, Switzerland
| | - Thomas G. W. Edwardson
- Laboratory
of Organic Chemistry, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, Zürich8093, Switzerland
| | - Michael A. Caldwell
- Departments
of Chemistry, Molecular Biosciences, Neurobiology and Radiology, Northwestern University, 2145 N. Sheridan Road, Evanston, Illinois60208, United States
| | - Daniela Hofmann
- Laboratory
of Organic Chemistry, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, Zürich8093, Switzerland
| | - Giulia Licciardi
- Magnetic
Resonance Center (CERM), University of Florence, via Luigi Sacconi 6, Sesto Fiorentino50019Italy
- Department
of Chemistry “Ugo Schiff”, University of Florence, via della Lastruccia 3, Sesto Fiorentino50019, Italy
- Consorzio
Interuniversitario Risonanze Magnetiche Metallo Proteine (CIRMMP), via Luigi Sacconi 6, Sesto Fiorentino50019, Italy
| | - Giacomo Parigi
- Magnetic
Resonance Center (CERM), University of Florence, via Luigi Sacconi 6, Sesto Fiorentino50019Italy
- Department
of Chemistry “Ugo Schiff”, University of Florence, via della Lastruccia 3, Sesto Fiorentino50019, Italy
- Consorzio
Interuniversitario Risonanze Magnetiche Metallo Proteine (CIRMMP), via Luigi Sacconi 6, Sesto Fiorentino50019, Italy
| | - Claudio Luchinat
- Magnetic
Resonance Center (CERM), University of Florence, via Luigi Sacconi 6, Sesto Fiorentino50019Italy
- Department
of Chemistry “Ugo Schiff”, University of Florence, via della Lastruccia 3, Sesto Fiorentino50019, Italy
- Consorzio
Interuniversitario Risonanze Magnetiche Metallo Proteine (CIRMMP), via Luigi Sacconi 6, Sesto Fiorentino50019, Italy
| | - Donald Hilvert
- Laboratory
of Organic Chemistry, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, Zürich8093, Switzerland
| | - Thomas J. Meade
- Departments
of Chemistry, Molecular Biosciences, Neurobiology and Radiology, Northwestern University, 2145 N. Sheridan Road, Evanston, Illinois60208, United States
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4
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Levasseur MD, Hofmann R, Edwardson TGW, Hehn S, Thanaburakorn M, Bode JW, Hilvert D. Post-Assembly Modification of Protein Cages by Ubc9-Mediated Lysine Acylation. Chembiochem 2022; 23:e202200332. [PMID: 35951442 PMCID: PMC9826087 DOI: 10.1002/cbic.202200332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Revised: 08/09/2022] [Indexed: 01/11/2023]
Abstract
Although viruses have been successfully repurposed as vaccines, antibiotics, and anticancer therapeutics, they also raise concerns regarding genome integration and immunogenicity. Virus-like particles and non-viral protein cages represent a potentially safer alternative but often lack desired functionality. Here, we investigated the utility of a new enzymatic bioconjugation method, called lysine acylation using conjugating enzymes (LACE), to chemoenzymatically modify protein cages. We equipped two structurally distinct protein capsules with a LACE-reactive peptide tag and demonstrated their modification with diverse ligands. This modular approach combines the advantages of chemical conjugation and genetic fusion and allows for site-specific modification with recombinant proteins as well as synthetic peptides with facile control of the extent of labeling. This strategy has the potential to fine-tune protein containers of different shape and size by providing them with new properties that go beyond their biologically native functions.
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Affiliation(s)
- Mikail D. Levasseur
- Laboratory of Organic ChemistryETH ZürichVladimir-Prelog-Weg 1–5/108093ZurichSwitzerland
| | - Raphael Hofmann
- Laboratory of Organic ChemistryETH ZürichVladimir-Prelog-Weg 1–5/108093ZurichSwitzerland
| | - Thomas G. W. Edwardson
- Laboratory of Organic ChemistryETH ZürichVladimir-Prelog-Weg 1–5/108093ZurichSwitzerland
| | - Svenja Hehn
- Laboratory of Organic ChemistryETH ZürichVladimir-Prelog-Weg 1–5/108093ZurichSwitzerland
| | | | - Jeffrey W. Bode
- Laboratory of Organic ChemistryETH ZürichVladimir-Prelog-Weg 1–5/108093ZurichSwitzerland
| | - Donald Hilvert
- Laboratory of Organic ChemistryETH ZürichVladimir-Prelog-Weg 1–5/108093ZurichSwitzerland
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5
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Abstract
Proteins that self-assemble into polyhedral shell-like structures are useful molecular containers both in nature and in the laboratory. Here we review efforts to repurpose diverse protein cages, including viral capsids, ferritins, bacterial microcompartments, and designed capsules, as vaccines, drug delivery vehicles, targeted imaging agents, nanoreactors, templates for controlled materials synthesis, building blocks for higher-order architectures, and more. A deep understanding of the principles underlying the construction, function, and evolution of natural systems has been key to tailoring selective cargo encapsulation and interactions with both biological systems and synthetic materials through protein engineering and directed evolution. The ability to adapt and design increasingly sophisticated capsid structures and functions stands to benefit the fields of catalysis, materials science, and medicine.
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Affiliation(s)
| | | | - Stephan Tetter
- Laboratory of Organic Chemistry, ETH Zurich, 8093 Zurich, Switzerland
| | - Angela Steinauer
- Laboratory of Organic Chemistry, ETH Zurich, 8093 Zurich, Switzerland
| | - Mao Hori
- Laboratory of Organic Chemistry, ETH Zurich, 8093 Zurich, Switzerland
| | - Donald Hilvert
- Laboratory of Organic Chemistry, ETH Zurich, 8093 Zurich, Switzerland
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6
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Levasseur MD, Mantri S, Hayashi T, Reichenbach M, Hehn S, Waeckerle-Men Y, Johansen P, Hilvert D. Cell-Specific Delivery Using an Engineered Protein Nanocage. ACS Chem Biol 2021; 16:838-843. [PMID: 33881303 DOI: 10.1021/acschembio.1c00007] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Nanoparticle-based delivery systems have shown great promise for theranostics and bioimaging on the laboratory scale due to favorable pharmacokinetics and biodistribution. In this study, we examine the utility of a cage-forming variant of the protein lumazine synthase, which was previously designed and evolved to encapsulate biomacromolecular cargo. Linking antibody-binding domains to the exterior of the cage enabled binding of targeting immunoglobulins and cell-specific uptake of encapsulated cargo. Protein nanocages displaying antibody-binding domains appear to be less immunogenic than their unmodified counterparts, but they also recruit serum antibodies that can mask the efficacy of the targeting antibody. Our study highlights the strengths and limitations of a common targeting strategy for practical nanoparticle-based delivery applications.
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Affiliation(s)
| | - Shiksha Mantri
- Laboratory of Organic Chemistry, ETH Zurich, 8093 Zurich, Switzerland
| | - Takahiro Hayashi
- Laboratory of Organic Chemistry, ETH Zurich, 8093 Zurich, Switzerland
| | - Maria Reichenbach
- Laboratory of Organic Chemistry, ETH Zurich, 8093 Zurich, Switzerland
| | - Svenja Hehn
- Laboratory of Organic Chemistry, ETH Zurich, 8093 Zurich, Switzerland
| | | | - Pål Johansen
- Department of Dermatology, University of Zurich, Zurich, Switzerland
| | - Donald Hilvert
- Laboratory of Organic Chemistry, ETH Zurich, 8093 Zurich, Switzerland
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7
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Abstract
Well-defined containers constructed from multiple protein subunits are a unique class of nanomaterial useful in supramolecular chemistry and biology. These protein cages are widespread in nature, where they are responsible for a diversity of important tasks. As such, producing our own designer protein cages, complete with bespoke functionalities, is a promising avenue to new nanodevices, biotechnology and therapies. Herein, we describe how an artificial, computationally designed protein cage can be rationally engineered using supramolecular intuition to produce new functional capsules. Positive supercharging the interior cavity of this porous protein cage enables the efficient encapsulation of oligonucleotides by electrostatically-driven self-assembly. Moreover, the resulting cargo-loaded cages enter mammalian cells and release their cargo, for example siRNA which modulates gene expression. To expand the cargo scope of this proteinaceous container, a higher level of supramolecular complexity can also be introduced. Encapsulation of anionic surfactants affords protein-scaffolded micelles, which are capable of sequestering poorly water-soluble small molecules within their hydrophobic cores. These hybrid particles stably carry bioactive cargo and deliver it intracellularly, thereby increasing potency. Further development of these genetically-encoded materials is ongoing towards specific applications ranging from cell biology to medicine.
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Affiliation(s)
| | | | - Donald Hilvert
- Laboratory of Organic Chemistry, ETH Zurich, 8093 Zurich, Switzerland;,
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8
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Denèfle T, Pramil E, Gómez-Morales L, Levasseur MD, Lardé E, Newton C, Herry K, Herbi L, Lamotte Y, Odile E, Ancellin N, Grondin P, Martinez-Torres AC, Viviani F, Merle-Beral H, Lequin O, Susin SA, Karoyan P. Homotrimerization Approach in the Design of Thrombospondin-1 Mimetic Peptides with Improved Potency in Triggering Regulated Cell Death of Cancer Cells. J Med Chem 2019; 62:7656-7668. [PMID: 31403795 DOI: 10.1021/acs.jmedchem.9b00024] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
In order to optimize the potency of the first serum-stable peptide agonist of CD47 (PKHB1) in triggering regulated cell death of cancer cells, we designed a maturation process aimed to mimic the trimeric structure of the thrombospondin-1/CD47 binding epitope. For that purpose, an N-methylation scan of the PKHB1 sequence was realized to prevent peptide aggregation. Structural and pharmacological analyses were conducted in order to assess the conformational impact of these chemical modifications on the backbone structure and the biological activity. This structure-activity relationship study led to the discovery of a highly soluble N-methylated peptide that we termed PKT16. Afterward, this monomer was used for the design of a homotrimeric peptide mimic that we termed [PKT16]3, which proved to be 10-fold more potent than its monomeric counterpart. A pharmacological evaluation of [PKT16]3 in inducing cell death of adherent (A549) and nonadherent (MEC-1) cancer cell lines was also performed.
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Affiliation(s)
- Thomas Denèfle
- Sorbonne Université , Ecole Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM , 75005 Paris , France.,Sorbonne Université , Ecole Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, Site OncoDesign , 25-27 Avenue du Québec , 91140 Les Ulis , France
| | - Elodie Pramil
- Sorbonne Université , Ecole Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM , 75005 Paris , France.,Sorbonne Université , Ecole Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, Site OncoDesign , 25-27 Avenue du Québec , 91140 Les Ulis , France.,Cell Death and Drug Resistance in Lymphoproliferative Disorders Team , Centre de Recherche des Cordeliers, INSERM UMRS 1138 , 75006 Paris , France
| | - Luis Gómez-Morales
- Sorbonne Université , Ecole Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM , 75005 Paris , France.,Sorbonne Université , Ecole Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, Site OncoDesign , 25-27 Avenue du Québec , 91140 Les Ulis , France.,Laboratory of Immunology and Virology , Autonomous University of Nuevo Leon , 66451 San Nicolas de los Garza , NL , Mexico
| | - Mikail D Levasseur
- Sorbonne Université , Ecole Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM , 75005 Paris , France.,Sorbonne Université , Ecole Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, Site OncoDesign , 25-27 Avenue du Québec , 91140 Les Ulis , France
| | - Eva Lardé
- Sorbonne Université , Ecole Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM , 75005 Paris , France.,Sorbonne Université , Ecole Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, Site OncoDesign , 25-27 Avenue du Québec , 91140 Les Ulis , France
| | - Clara Newton
- Sorbonne Université , Ecole Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM , 75005 Paris , France.,Sorbonne Université , Ecole Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, Site OncoDesign , 25-27 Avenue du Québec , 91140 Les Ulis , France
| | - Kenny Herry
- OncoDesign , 25 Avenue du Québec , 91140 Les Ulis , France
| | - Linda Herbi
- Cell Death and Drug Resistance in Lymphoproliferative Disorders Team , Centre de Recherche des Cordeliers, INSERM UMRS 1138 , 75006 Paris , France
| | - Yann Lamotte
- OncoDesign , 25 Avenue du Québec , 91140 Les Ulis , France
| | - Estelle Odile
- Sorbonne Université , Ecole Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM , 75005 Paris , France.,Sorbonne Université , Ecole Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, Site OncoDesign , 25-27 Avenue du Québec , 91140 Les Ulis , France
| | | | - Pascal Grondin
- OncoDesign , 25 Avenue du Québec , 91140 Les Ulis , France
| | - Ana-Carolina Martinez-Torres
- Laboratory of Immunology and Virology , Autonomous University of Nuevo Leon , 66451 San Nicolas de los Garza , NL , Mexico
| | | | - Hélène Merle-Beral
- Cell Death and Drug Resistance in Lymphoproliferative Disorders Team , Centre de Recherche des Cordeliers, INSERM UMRS 1138 , 75006 Paris , France
| | - Olivier Lequin
- Sorbonne Université , Ecole Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM , 75005 Paris , France
| | - Santos A Susin
- Cell Death and Drug Resistance in Lymphoproliferative Disorders Team , Centre de Recherche des Cordeliers, INSERM UMRS 1138 , 75006 Paris , France
| | - Philippe Karoyan
- Sorbonne Université , Ecole Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM , 75005 Paris , France.,Sorbonne Université , Ecole Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, Site OncoDesign , 25-27 Avenue du Québec , 91140 Les Ulis , France.,SiRIC CURAMUS (CANCER UNITED RESEARCH ASSOCIATING MEDICINE, UNIVERSITY & SOCIETY, Site de Recherche Intégrée sur le Cancer) IUC, AP-HP.6 , Sorbonne Université 75005 Paris , France.,Kayvisa AG , Industriestrasse, 44 , 6300 Zug , Switzerland.,Kaybiotix GmbH , Zugerstrasse 32 , 6340 Baar , Switzerland
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9
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Pigoni M, Wanngren J, Kuhn PH, Munro KM, Gunnersen JM, Takeshima H, Feederle R, Voytyuk I, De Strooper B, Levasseur MD, Hrupka BJ, Müller SA, Lichtenthaler SF. Seizure protein 6 and its homolog seizure 6-like protein are physiological substrates of BACE1 in neurons. Mol Neurodegener 2016; 11:67. [PMID: 27716410 PMCID: PMC5053352 DOI: 10.1186/s13024-016-0134-z] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2016] [Accepted: 09/28/2016] [Indexed: 01/22/2023] Open
Abstract
Background The protease BACE1 (beta-site APP cleaving enzyme) is a major drug target in Alzheimer’s disease. However, BACE1 therapeutic inhibition may cause unwanted adverse effects due to its additional functions in the nervous system, such as in myelination and neuronal connectivity. Additionally, recent proteomic studies investigating BACE1 inhibition in cell lines and cultured murine neurons identified a wider range of neuronal membrane proteins as potential BACE1 substrates, including seizure protein 6 (SEZ6) and its homolog SEZ6L. Methods and results We generated antibodies against SEZ6 and SEZ6L and validated these proteins as BACE1 substrates in vitro and in vivo. Levels of the soluble, BACE1-cleaved ectodomain of both proteins (sSEZ6, sSEZ6L) were strongly reduced upon BACE1 inhibition in primary neurons and also in vivo in brains of BACE1-deficient mice. BACE1 inhibition increased neuronal surface levels of SEZ6 and SEZ6L as shown by cell surface biotinylation, demonstrating that BACE1 controls surface expression of both proteins. Moreover, mass spectrometric analysis revealed that the BACE1 cleavage site in SEZ6 is located in close proximity to the membrane, similar to the corresponding cleavage site in SEZ6L. Finally, an improved method was developed for the proteomic analysis of murine cerebrospinal fluid (CSF) and was applied to CSF from BACE-deficient mice. Hereby, SEZ6 and SEZ6L were validated as BACE1 substrates in vivo by strongly reduced levels in the CSF of BACE1-deficient mice. Conclusions This study demonstrates that SEZ6 and SEZ6L are physiological BACE1 substrates in the murine brain and suggests that sSEZ6 and sSEZ6L levels in CSF are suitable markers to monitor BACE1 inhibition in mice. Electronic supplementary material The online version of this article (doi:10.1186/s13024-016-0134-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Martina Pigoni
- German Center for Neurodegenerative Diseases (DZNE), Munich, Germany.,Neuroproteomics, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Johanna Wanngren
- German Center for Neurodegenerative Diseases (DZNE), Munich, Germany.,Neuroproteomics, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Peer-Hendrik Kuhn
- Neuroproteomics, Klinikum rechts der Isar, Technische Universität München, Munich, Germany.,Institute for Advanced Study, Technische Universität München, Munich, Germany.,Institute for Pathology und Pathological Anatomy, Technische Universität München, Munich, Germany
| | - Kathryn M Munro
- Department of Anatomy and Neuroscience, University of Melbourne, Victoria, Australia
| | - Jenny M Gunnersen
- Department of Anatomy and Neuroscience, University of Melbourne, Victoria, Australia.,The Florey Institute of Neuroscience and Mental Health, University of Melbourne, Victoria, Australia
| | - Hiroshi Takeshima
- Division of Pharmaceutical Sciences, Graduate School and Faculty of Pharmaceutical Sciences, Kyoto University, Kyoto, Japan
| | - Regina Feederle
- German Center for Neurodegenerative Diseases (DZNE), Munich, Germany.,Institute for Diabetes and Obesity, Monoclonal Antibody Research Group, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Munich, Germany.,Munich Cluster for Systems Neurology (SyNergy), Munich, Germany
| | - Iryna Voytyuk
- VIB Center for the Biology of Disease, Leuven, Belgium
| | - Bart De Strooper
- VIB Center for the Biology of Disease, Leuven, Belgium.,Center for Human Genetics, and Leuven Institute for Neurodegenerative Diseases (LIND), University of Leuven (KU Leuven), Leuven, Belgium.,Institute of Neurology, University College London, London, UK
| | | | - Brian J Hrupka
- Department of Neuroscience, Janssen Pharmaceutica NV, Beerse, Belgium
| | - Stephan A Müller
- German Center for Neurodegenerative Diseases (DZNE), Munich, Germany.,Neuroproteomics, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Stefan F Lichtenthaler
- German Center for Neurodegenerative Diseases (DZNE), Munich, Germany. .,Neuroproteomics, Klinikum rechts der Isar, Technische Universität München, Munich, Germany. .,Institute for Advanced Study, Technische Universität München, Munich, Germany. .,Munich Cluster for Systems Neurology (SyNergy), Munich, Germany.
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10
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Denèfle T, Boullet H, Herbi L, Newton C, Martinez-Torres AC, Guez A, Pramil E, Quiney C, Pourcelot M, Levasseur MD, Lardé E, Moumné R, Ogi FX, Grondin P, Merle-Beral H, Lequin O, Susin SA, Karoyan P. Thrombospondin-1 Mimetic Agonist Peptides Induce Selective Death in Tumor Cells: Design, Synthesis, and Structure-Activity Relationship Studies. J Med Chem 2016; 59:8412-21. [PMID: 27526615 DOI: 10.1021/acs.jmedchem.6b00781] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Thrombospondin-1 (TSP-1) is a glycoprotein considered as a key actor within the tumor microenvironment. Its binding to CD47, a cell surface receptor, triggers programmed cell death. Previous studies allowed the identification of 4N1K decapeptide derived from the TSP-1/CD47 binding epitope. Here, we demonstrate that this peptide is able to induce selective apoptosis of various cancer cell lines while sparing normal cells. A structure-activity relationship study led to the design of the first serum stable TSP-1 mimetic agonist peptide able to trigger selective programmed cell death (PCD) of at least lung, breast, and colorectal cancer cells. Altogether, these results will be of valuable interest for further investigation in the design of potent CD47 agonist peptides, opening new perspectives for the development of original anticancer therapies.
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Affiliation(s)
- Thomas Denèfle
- Sorbonne Universités, UPMC Université Paris 06, Ecole Normale Supérieure, CNRS, Laboratoire des Biomolécules, 75005 Paris, France.,Département de Chimie, Ecole Normale Supérieure, PSL Research University, UPMC Université Paris 06, CNRS, Laboratoire des Biomolécules, 75005 Paris, France.,UPMC Université Paris 06, Laboratoire des BioMolécules, Site GSK, 25-27 Avenue du Québec, 91140 Les Ulis, France
| | - Héloise Boullet
- Sorbonne Universités, UPMC Université Paris 06, Ecole Normale Supérieure, CNRS, Laboratoire des Biomolécules, 75005 Paris, France.,Département de Chimie, Ecole Normale Supérieure, PSL Research University, UPMC Université Paris 06, CNRS, Laboratoire des Biomolécules, 75005 Paris, France
| | - Linda Herbi
- Cell Death and Drug Resistance in Lymphoproliferative Disorders Team, Centre de Recherche des Cordeliers, INSERM UMRS, 1138, Paris, France.,Sorbonne Universités, UPMC Université Paris 06, UMRS 1138, Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, UMRS 1138, Paris, France
| | - Clara Newton
- Sorbonne Universités, UPMC Université Paris 06, Ecole Normale Supérieure, CNRS, Laboratoire des Biomolécules, 75005 Paris, France.,Département de Chimie, Ecole Normale Supérieure, PSL Research University, UPMC Université Paris 06, CNRS, Laboratoire des Biomolécules, 75005 Paris, France.,UPMC Université Paris 06, Laboratoire des BioMolécules, Site GSK, 25-27 Avenue du Québec, 91140 Les Ulis, France
| | - Ana-Carolina Martinez-Torres
- Cell Death and Drug Resistance in Lymphoproliferative Disorders Team, Centre de Recherche des Cordeliers, INSERM UMRS, 1138, Paris, France.,Sorbonne Universités, UPMC Université Paris 06, UMRS 1138, Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, UMRS 1138, Paris, France
| | - Alexandre Guez
- Sorbonne Universités, UPMC Université Paris 06, Ecole Normale Supérieure, CNRS, Laboratoire des Biomolécules, 75005 Paris, France.,Département de Chimie, Ecole Normale Supérieure, PSL Research University, UPMC Université Paris 06, CNRS, Laboratoire des Biomolécules, 75005 Paris, France
| | - Elodie Pramil
- Sorbonne Universités, UPMC Université Paris 06, Ecole Normale Supérieure, CNRS, Laboratoire des Biomolécules, 75005 Paris, France.,Département de Chimie, Ecole Normale Supérieure, PSL Research University, UPMC Université Paris 06, CNRS, Laboratoire des Biomolécules, 75005 Paris, France.,Cell Death and Drug Resistance in Lymphoproliferative Disorders Team, Centre de Recherche des Cordeliers, INSERM UMRS, 1138, Paris, France.,Sorbonne Universités, UPMC Université Paris 06, UMRS 1138, Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, UMRS 1138, Paris, France
| | - Claire Quiney
- Cell Death and Drug Resistance in Lymphoproliferative Disorders Team, Centre de Recherche des Cordeliers, INSERM UMRS, 1138, Paris, France.,Sorbonne Universités, UPMC Université Paris 06, UMRS 1138, Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, UMRS 1138, Paris, France
| | - Marilyne Pourcelot
- Sorbonne Universités, UPMC Université Paris 06, Ecole Normale Supérieure, CNRS, Laboratoire des Biomolécules, 75005 Paris, France.,Département de Chimie, Ecole Normale Supérieure, PSL Research University, UPMC Université Paris 06, CNRS, Laboratoire des Biomolécules, 75005 Paris, France.,UPMC Université Paris 06, Laboratoire des BioMolécules, Site GSK, 25-27 Avenue du Québec, 91140 Les Ulis, France
| | - Mikail D Levasseur
- Sorbonne Universités, UPMC Université Paris 06, Ecole Normale Supérieure, CNRS, Laboratoire des Biomolécules, 75005 Paris, France.,Département de Chimie, Ecole Normale Supérieure, PSL Research University, UPMC Université Paris 06, CNRS, Laboratoire des Biomolécules, 75005 Paris, France.,UPMC Université Paris 06, Laboratoire des BioMolécules, Site GSK, 25-27 Avenue du Québec, 91140 Les Ulis, France
| | - Eva Lardé
- Sorbonne Universités, UPMC Université Paris 06, Ecole Normale Supérieure, CNRS, Laboratoire des Biomolécules, 75005 Paris, France.,Département de Chimie, Ecole Normale Supérieure, PSL Research University, UPMC Université Paris 06, CNRS, Laboratoire des Biomolécules, 75005 Paris, France.,UPMC Université Paris 06, Laboratoire des BioMolécules, Site GSK, 25-27 Avenue du Québec, 91140 Les Ulis, France
| | - Roba Moumné
- Sorbonne Universités, UPMC Université Paris 06, Ecole Normale Supérieure, CNRS, Laboratoire des Biomolécules, 75005 Paris, France.,Département de Chimie, Ecole Normale Supérieure, PSL Research University, UPMC Université Paris 06, CNRS, Laboratoire des Biomolécules, 75005 Paris, France
| | | | | | - Hélène Merle-Beral
- Cell Death and Drug Resistance in Lymphoproliferative Disorders Team, Centre de Recherche des Cordeliers, INSERM UMRS, 1138, Paris, France.,Sorbonne Universités, UPMC Université Paris 06, UMRS 1138, Paris, France.,AP-HP, GH Pitié-Salpêtrière, Service d'Hématologie Biologique, 75013 Paris, France
| | - Olivier Lequin
- Sorbonne Universités, UPMC Université Paris 06, Ecole Normale Supérieure, CNRS, Laboratoire des Biomolécules, 75005 Paris, France.,Département de Chimie, Ecole Normale Supérieure, PSL Research University, UPMC Université Paris 06, CNRS, Laboratoire des Biomolécules, 75005 Paris, France
| | - Santos A Susin
- Cell Death and Drug Resistance in Lymphoproliferative Disorders Team, Centre de Recherche des Cordeliers, INSERM UMRS, 1138, Paris, France.,Sorbonne Universités, UPMC Université Paris 06, UMRS 1138, Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, UMRS 1138, Paris, France
| | - Philippe Karoyan
- Sorbonne Universités, UPMC Université Paris 06, Ecole Normale Supérieure, CNRS, Laboratoire des Biomolécules, 75005 Paris, France.,Département de Chimie, Ecole Normale Supérieure, PSL Research University, UPMC Université Paris 06, CNRS, Laboratoire des Biomolécules, 75005 Paris, France.,UPMC Université Paris 06, Laboratoire des BioMolécules, Site GSK, 25-27 Avenue du Québec, 91140 Les Ulis, France
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Kumarendran MK, Matthews CJ, Levasseur MD, Prentice A, Thomas EJ, Redfern CP. Oestrogen and progesterone do not regulate the expression of retinoic acid receptors and retinoid 'X' receptors in human endometrial stromal cells in vitro. Hum Reprod 1994; 9:229-34. [PMID: 8027277 DOI: 10.1093/oxfordjournals.humrep.a138487] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Elucidation of the gene structure for retinoic acid receptor-beta (RAR-beta) has suggested a potential role for oestrogen in regulating the expression of RAR-beta. We have previously shown that all three RAR types are expressed in human endometrial stromal cells in vitro and that RAR-beta expression is induced in response to retinoic acid. The aim of this study was to ask whether oestradiol and progesterone could play a part in regulating the expression of RARs in human endometrial stromal cells and to establish the patterns of expression of a related group of nuclear retinoid receptors, retinoid 'X' receptors (RXRs) and their potential for regulation by steroid hormones. The RAR expression patterns of endometrial stromal cells, grown in steroid-free medium, did not change in response to the presence of steroid hormones. Furthermore, the retinoic acid-mediated induction of RAR-beta was not affected by oestradiol or progesterone, and was dependent on the continued presence of retinoic acid. Of the three RXR types, only RXR-alpha was detectably expressed in stromal cells in vitro and the expression of RXR-alpha did not change in response to steroid hormones or retinoic acid. These data indicate that oestradiol and progesterone are not important in the regulation of RAR and RXR expression in human endometrial stromal cells.
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Affiliation(s)
- M K Kumarendran
- Department of Obstetrics & Gynaecology, Medical School, University of Newcastle, Newcastle upon Tyne, UK
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