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Roche V, Sandoval V, Wolford C, Senders Z, Kim JA, Ribeiro SP, Huang AY, Sekaly RP, Lyons J, Zhang M. Carbohydrate ligand engagement with CD11b enhances differentiation of tumor-associated myeloid cells for immunotherapy of solid cancers. J Immunother Cancer 2023; 11:e006205. [PMID: 37399354 DOI: 10.1136/jitc-2022-006205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/11/2023] [Indexed: 07/05/2023] Open
Abstract
BACKGROUND Efforts to modulate the function of tumor-associated myeloid cell are underway to overcome the challenges in immunotherapy and find a cure. One potential therapeutic target is integrin CD11b, which can be used to modulate the myeloid-derived cells and induce tumor-reactive T-cell responses. However, CD11b can bind to multiple different ligands, leading to various myeloid cell functions such as adhesion, migration, phagocytosis, and proliferation. This has created a major challenge in understanding how CD11b converts the differences in the receptor-ligand binding into subsequent signaling responses and using this information for therapeutic development. METHODS This study aimed to investigate the antitumor effect of a carbohydrate ligand, named BG34-200, which modulates the CD11b+ cells. We have applied peptide microarrays, multiparameter FACS (fluorescence-activated cell analysis) analysis, cellular/molecular immunological technology, advanced microscopic imaging, and transgenic mouse models of solid cancers, to study the interaction between BG34-200 carbohydrate ligand and CD11b protein and the resulting immunological changes in the context of solid cancers, including osteosarcoma, advanced melanoma, and pancreatic ductal adenocarcinoma (PDAC). RESULTS Our results show that BG34-200 can bind directly to the activated CD11b on its I (or A) domain, at previously unreported peptide residues, in a multisite and multivalent manner. This engagement significantly impacts the biological function of tumor-associated inflammatory monocytes (TAIMs) in osteosarcoma, advanced melanoma, and PDAC backgrounds. Importantly, we observed that the BG34-200-CD11b engagement triggered endocytosis of the binding complexes in TAIMs, which induced intracellular F-actin cytoskeletal rearrangement, effective phagocytosis, and intrinsic ICAM-1 (intercellular adhesion molecule I) clustering. These structural biological changes resulted in the differentiation in TAIMs into monocyte-derived dendritic cells, which play a crucial role in T-cell activation in the tumor microenvironment. CONCLUSIONS Our research has advanced the current understanding of the molecular basis of CD11b activation in solid cancers, revealing how it converts the differences in BG34 carbohydrate ligands into immune signaling responses. These findings could pave the way for the development of safe and novel BG34-200-based therapies that modulate myeloid-derived cell functions, thereby enhancing immunotherapy for solid cancers.
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Affiliation(s)
- Veronique Roche
- Department of Biomedical Engineering, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, Ohio, USA
| | - Victor Sandoval
- Department of Biomedical Engineering, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
- Department of Surgical Oncology, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA
| | - Claire Wolford
- Department of Biomedical Engineering, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, Ohio, USA
| | - Zachary Senders
- Department of Biomedical Engineering, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
- Department of Surgical Oncology, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA
| | - Julian Anthony Kim
- Department of Surgical Oncology, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA
| | - Susan Pereira Ribeiro
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
| | - Alex Yicheng Huang
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
- Department of Pediatrics, UH Rainbow Babies & Children's Hospital, Cleveland, Ohio, USA
| | - Rafick-Pierre Sekaly
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
| | - Joshua Lyons
- Department of Biomedical Engineering, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
- Department of Surgical Oncology, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA
| | - Mei Zhang
- Department of Biomedical Engineering, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, Ohio, USA
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Grenier J, Duval H, Lv P, Barou F, Le Guilcher C, Aid R, David B, Letourneur D. Interplay between crosslinking and ice nucleation controls the porous structure of freeze-dried hydrogel scaffolds. BIOMATERIALS ADVANCES 2022; 139:212973. [PMID: 35891598 DOI: 10.1016/j.bioadv.2022.212973] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 05/04/2022] [Accepted: 06/02/2022] [Indexed: 06/15/2023]
Abstract
Freeze-drying is a process of choice to texture hydrogel scaffolds with pores formed by an ice-templating mechanism. Using state-of-the-art microscopies (cryo-EBSD, μCT, CLSM), this work evidences and quantifies the effect of crosslinking and ice nucleation temperature on the porous structure of thin hydrogel scaffolds freeze-dried at a low cooling rate. We focused on a polysaccharide-based hydrogel and developed specific protocols to monitor or trigger ice nucleation for this study. At a fixed number of intermolecular crosslinks per primary molecule (p = 5), the mean pore size in the dry state decreases linearly from 240 to 170 μm, when ice nucleation temperature decreases from -6 °C to -18 °C. When ice nucleation temperature is fixed at -10 °C, the mean pore size decreases from 250 to 150 μm, as the crosslinking degree increases from p = 3 to p = 7. Scaffold infiltration ability was quantified with synthetic microspheres. The seeding efficiency was assessed with MC3T3-E1 individual cells and HepaRG™ spheroids. These data collapse into a single master curve that exhibits a sharp transition from 100 % to 0 %-efficiency as the entity diameter approaches the mean pore size in the dry state. Altogether, we can thus precisely tune the porosity of these 3D materials of interest for 3D cell culture and cGMP production for tissue engineering.
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Affiliation(s)
- Jérôme Grenier
- Université Paris-Saclay, CentraleSupélec, Laboratoire de Génie des Procédés et Matériaux, 91190 Gif-sur-Yvette, France; Université Paris-Saclay, CentraleSupélec, CNRS, Laboratoire de Mécanique de Paris-Saclay, 91190 Gif-sur-Yvette, France; Université Paris Cité, Université Sorbonne Paris Nord, INSERM 1148, LVTS, Hôpital Bichat, F-75018 Paris, France
| | - Hervé Duval
- Université Paris-Saclay, CentraleSupélec, Laboratoire de Génie des Procédés et Matériaux, 91190 Gif-sur-Yvette, France.
| | - Pin Lv
- LGPM, CentraleSupélec, SFR Condorcet FR CNRS 3417, Université Paris-Saclay, Centre Européen de Biotechnologie et de Bioéconomie (CEBB), F-51110 Pomacle, France
| | - Fabrice Barou
- Géosciences Montpellier, UMR 5243, Université Montpellier, CNRS, Montpellier Cedex 05, 34095, France
| | - Camille Le Guilcher
- Université Paris Cité, Université Sorbonne Paris Nord, INSERM 1148, LVTS, Hôpital Bichat, F-75018 Paris, France
| | - Rachida Aid
- Université Paris Cité, Université Sorbonne Paris Nord, INSERM 1148, LVTS, Hôpital Bichat, F-75018 Paris, France
| | - Bertrand David
- Université Paris-Saclay, CentraleSupélec, CNRS, Laboratoire de Mécanique de Paris-Saclay, 91190 Gif-sur-Yvette, France
| | - Didier Letourneur
- Université Paris Cité, Université Sorbonne Paris Nord, INSERM 1148, LVTS, Hôpital Bichat, F-75018 Paris, France
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Horinaka JI, Okamoto A, Takigawa T. Rheological properties of concentrated solutions of gelatin in an ionic liquid 1-ethyl-3-methylimidazolium dimethyl phosphate. Int J Biol Macromol 2016; 91:789-93. [PMID: 27311506 DOI: 10.1016/j.ijbiomac.2016.06.032] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Revised: 06/11/2016] [Accepted: 06/11/2016] [Indexed: 11/25/2022]
Abstract
Rheological properties of gelatin solutions were examined in concentrated regions. Gelatin species from porcine skin and from bovine bone were dissolved in an ionic liquid 1-ethyl-3-methylimidazolium dimethyl phosphate. The dynamic viscoelasticity data for the solutions exhibited rubbery plateaus, indicating the existence of entanglement coupling between gelatin chains in the solutions. From the analogy with rubber elasticity, assuming that the molecular weight between entanglements (Me) is the average mesh size of the entanglement network, Me for gelatin in the solutions were determined from the heights of the rubbery plateaus. Then the value of Me in the molten state (Me,melt), a material constant reflecting the chemical structure of polymer species, for gelatin was estimated to be 8.7×10(3). Compared to synthetic polyamides whose Me,melt were known, Me,melt for gelatin was significantly larger, which could be explained by the densely repeating amide bonds composing gelatin.
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Affiliation(s)
- Jun-Ichi Horinaka
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo, Kyoto 615-8510, Japan.
| | - Arisa Okamoto
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo, Kyoto 615-8510, Japan
| | - Toshikazu Takigawa
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo, Kyoto 615-8510, Japan
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Horinaka JI, Urabayashi Y, Takigawa T, Ohmae M. Entanglement network of chitin and chitosan in ionic liquid solutions. J Appl Polym Sci 2013. [DOI: 10.1002/app.39459] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jun-ichi Horinaka
- Department of Material Chemistry; Graduate School of Engineering, Kyoto University; Nishikyo; Kyoto; 615-8510; Japan
| | - Yuhei Urabayashi
- Department of Material Chemistry; Graduate School of Engineering, Kyoto University; Nishikyo; Kyoto; 615-8510; Japan
| | - Toshikazu Takigawa
- Department of Material Chemistry; Graduate School of Engineering, Kyoto University; Nishikyo; Kyoto; 615-8510; Japan
| | - Masashi Ohmae
- Department of Material Chemistry; Graduate School of Engineering, Kyoto University; Nishikyo; Kyoto; 615-8510; Japan
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