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Lamendour L, Gilotin M, Deluce-Kakwata Nkor N, Lakhrif Z, Meley D, Poupon A, Laboute T, di Tommaso A, Pin JJ, Mulleman D, Le Mélédo G, Aubrey N, Watier H, Velge-Roussel F. Bispecific antibodies tethering innate receptors induce human tolerant-dendritic cells and regulatory T cells. Front Immunol 2024; 15:1369117. [PMID: 38601165 PMCID: PMC11005913 DOI: 10.3389/fimmu.2024.1369117] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 03/04/2024] [Indexed: 04/12/2024] Open
Abstract
There is an urgent need for alternative therapies targeting human dendritic cells (DCs) that could reverse inflammatory syndromes in many autoimmune and inflammatory diseases and organ transplantations. Here, we describe a bispecific antibody (bsAb) strategy tethering two pathogen-recognition receptors at the surface of human DCs. This cross-linking switches DCs into a tolerant profile able to induce regulatory T-cell differentiation. The bsAbs, not parental Abs, induced interleukin 10 and transforming growth factor β1 secretion in monocyte-derived DCs and human peripheral blood mononuclear cells. In addition, they induced interleukin 10 secretion by synovial fluid cells in rheumatoid arthritis and gout patients. This concept of bsAb-induced tethering of surface pathogen-recognition receptors switching cell properties opens a new therapeutic avenue for controlling inflammation and restoring immune tolerance.
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Affiliation(s)
- Lucille Lamendour
- EA7501, Groupe Innovation et Ciblage Cellulaire, Team Fc Récepteurs, Anticorps et MicroEnvironnement (FRAME), Université de Tours, Tours, France
| | - Mäelle Gilotin
- EA7501, Groupe Innovation et Ciblage Cellulaire, Team Fc Récepteurs, Anticorps et MicroEnvironnement (FRAME), Université de Tours, Tours, France
| | - Nora Deluce-Kakwata Nkor
- EA7501, Groupe Innovation et Ciblage Cellulaire, Team Fc Récepteurs, Anticorps et MicroEnvironnement (FRAME), Université de Tours, Tours, France
| | - Zineb Lakhrif
- Infectiologie et Santé Publique (ISP) UMR 1282, INRAE, Team BioMAP, Université de Tours, Tours, France
| | - Daniel Meley
- EA7501, Groupe Innovation et Ciblage Cellulaire, Team Fc Récepteurs, Anticorps et MicroEnvironnement (FRAME), Université de Tours, Tours, France
| | - Anne Poupon
- institut de recherche pour l’agriculture, l’alimentation et ’environnement (INRAE) UMR 0085, centre de recherche scientifique (CNRS) UMR 7247, Physiologie de la Reproduction et des Comportements, Université de Tours, Tours, France
- MAbSilico, Tours, France
| | - Thibaut Laboute
- EA7501, Groupe Innovation et Ciblage Cellulaire, Team Fc Récepteurs, Anticorps et MicroEnvironnement (FRAME), Université de Tours, Tours, France
| | - Anne di Tommaso
- Infectiologie et Santé Publique (ISP) UMR 1282, INRAE, Team BioMAP, Université de Tours, Tours, France
| | | | - Denis Mulleman
- EA7501, Groupe Innovation et Ciblage Cellulaire, Team Fc Récepteurs, Anticorps et MicroEnvironnement (FRAME), Université de Tours, Tours, France
- Service de Rhumatologie, Centre Hospitalo-Universitaire (CHRU) de Tours, Tours, France
| | - Guillaume Le Mélédo
- EA7501, Groupe Innovation et Ciblage Cellulaire, Team Fc Récepteurs, Anticorps et MicroEnvironnement (FRAME), Université de Tours, Tours, France
- Service de Rhumatologie, Centre Hospitalo-Universitaire (CHRU) de Tours, Tours, France
| | - Nicolas Aubrey
- Infectiologie et Santé Publique (ISP) UMR 1282, INRAE, Team BioMAP, Université de Tours, Tours, France
| | - Hervé Watier
- EA7501, Groupe Innovation et Ciblage Cellulaire, Team Fc Récepteurs, Anticorps et MicroEnvironnement (FRAME), Université de Tours, Tours, France
| | - Florence Velge-Roussel
- EA7501, Groupe Innovation et Ciblage Cellulaire, Team Fc Récepteurs, Anticorps et MicroEnvironnement (FRAME), Université de Tours, Tours, France
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Aubrey N, Gouilleux-Gruart V, Dhommée C, Mariot J, Boursin F, Albrecht N, Bergua C, Croix C, Gilotin M, Haudebourg E, Horiot C, Matthias L, Mouline C, Lajoie L, Munos A, Ferry G, Viaud-Massuard MC, Thibault G, Velge-Roussel F. Anticalin N- or C-Terminal on a Monoclonal Antibody Affects Both Production and In Vitro Functionality. Antibodies (Basel) 2022; 11:antib11030054. [PMID: 35997348 PMCID: PMC9397084 DOI: 10.3390/antib11030054] [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: 06/27/2022] [Revised: 08/03/2022] [Accepted: 08/08/2022] [Indexed: 11/16/2022] Open
Abstract
Bispecific antibodies (BsAbs) represent an important advance in innovative therapeutic strategies. Among the countless formats of BsAbs, fusion with molecules such as anticalins linked to a monoclonal antibody (mAb), represents an easy and low-cost way to obtain innovative molecules. We fused an anticalin against human fibronectin to a molecule biosimilar to trastuzumab (H0) or rituximab (R0), in four different positions, two on the N terminal region of heavy or light chains and two on the C terminal region. The eight BsAbs (H family (HF) 1 to 4 and R family (RF) 1 to 4) were produced and their affinity parameters and functional properties evaluated. The presence of anticalin did not change the glycosylation of the BsAb, shape or yield. The antigenic recognition of each BsAb family, Her2 for HF1 to 4 and CD20 for RF1 to 4, was slightly decreased (HF) or absent (RF) for the anticalin N-terminal in the light chain position. The anticalin recognition of FN was slightly decreased for the HF family, but a dramatic decrease was observed for RF members with lowest affinity for RF1. Moreover, functional properties of Abs, such as CD16 activation of NK, CD32-dependent phagocytosis and FcRn transcytosis, confirmed that this anticalin position leads to less efficient BsAbs, more so for RF than HF molecules. Nevertheless, all BsAbs demonstrated affinities for CD16, CD32 and FcRn, which suggests that more than affinity for FcRs is needed for a functioning antibody. Our strategy using anticalin and Abs allows for rapid generation of BsAbs, but as suggested by our results, some positions of anticalins on Abs result in less functionality.
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Affiliation(s)
- Nicolas Aubrey
- ISP UMR 1282, INRA, Team BioMAP, University of Tours, 31 Avenue Monge, 37200 Tours, France
| | | | - Christine Dhommée
- GICC EA7501, Team FRAME, University of Tours, 10 boulevard Tonnellé, 37032 Tours, France
| | - Julie Mariot
- GICC EA7501, Team FRAME, University of Tours, 10 boulevard Tonnellé, 37032 Tours, France
| | - Fanny Boursin
- ISP UMR 1282, INRA, Team BioMAP, University of Tours, 31 Avenue Monge, 37200 Tours, France
| | - Nicolas Albrecht
- GICC EA7501, Team IMT, University of Tours, 10 boulevard Tonnellé, 37032 Tours, France
| | - Cécile Bergua
- GICC EA7501, Team FRAME, University of Tours, 10 boulevard Tonnellé, 37032 Tours, France
| | - Cécile Croix
- GICC EA7501, Team IMT, University of Tours, 10 boulevard Tonnellé, 37032 Tours, France
| | - Mäelle Gilotin
- GICC EA7501, Team FRAME, University of Tours, 10 boulevard Tonnellé, 37032 Tours, France
| | - Eloi Haudebourg
- GICC EA7501, Team IMT, University of Tours, 10 boulevard Tonnellé, 37032 Tours, France
| | - Catherine Horiot
- ISP UMR 1282, INRA, Team BioMAP, University of Tours, 31 Avenue Monge, 37200 Tours, France
| | - Laetitia Matthias
- GICC EA7501, Team FRAME, University of Tours, 10 boulevard Tonnellé, 37032 Tours, France
| | - Caroline Mouline
- GICC EA7501, Team FRAME, University of Tours, 10 boulevard Tonnellé, 37032 Tours, France
| | - Laurie Lajoie
- GICC EA7501, Team FRAME, University of Tours, 10 boulevard Tonnellé, 37032 Tours, France
| | - Audrey Munos
- Institut du Médicament de Tours, BIO3, 15 rue du plat d’étain, 37000 Tours, France
| | - Gilles Ferry
- Chemistry Manufacturing and Control—Biologics, Institut de Recherches SERVIER, 78290 Croissy-sur-Seine, France
| | | | - Gilles Thibault
- GICC EA7501, Team FRAME, University of Tours, 10 boulevard Tonnellé, 37032 Tours, France
| | - Florence Velge-Roussel
- GICC EA7501, Team FRAME, University of Tours, 10 boulevard Tonnellé, 37032 Tours, France
- Correspondence: ; Tel.: +33-247366058
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