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Paloja K, Weiden J, Hellmeier J, Eklund AS, Reinhardt SCM, Parish IA, Jungmann R, Bastings MMC. Balancing the Nanoscale Organization in Multivalent Materials for Functional Inhibition of the Programmed Death-1 Immune Checkpoint. ACS NANO 2024; 18:1381-1395. [PMID: 38126310 PMCID: PMC10795474 DOI: 10.1021/acsnano.3c06552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 12/12/2023] [Accepted: 12/18/2023] [Indexed: 12/23/2023]
Abstract
Dendritic cells (DCs) regulate immune priming by expressing programmed death ligand 1 (PD-L1) and PD-L2, which interact with the inhibitory receptor PD-1 on activated T cells. PD-1 signaling regulates T cell effector functions and limits autoimmunity. Tumor cells can hijack this pathway by overexpressing PD-L1 to suppress antitumor T cell responses. Blocking this inhibitory pathway has been beneficial for the treatment of various cancer types, although only a subset of patients responds. A deepened understanding of the spatial organization and molecular interplay between PD-1 and its ligands may inform the design of more efficacious nanotherapeutics. We visualized the natural molecular PD-L1 organization on DCs by DNA-PAINT microscopy and created a template to engineer DNA-based nanoclusters presenting PD-1 at defined valencies, distances, and patterns. These multivalent nanomaterials were examined for their cellular binding and blocking ability. Our data show that PD-1 nano-organization has profound effects on ligand interaction and that the valency of PD-1 molecules modulates the effectiveness in restoring T cell function. This work highlights the power of spatially controlled functional materials to unravel the importance of multivalent patterns in the PD-1 pathway and presents alternative design strategies for immune-engineering.
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Affiliation(s)
- Kaltrina Paloja
- Programmable
Biomaterials Laboratory, Institute of Materials, School of Engineering, École Polytechnique Fédérale
de Lausanne, Lausanne 1015, Switzerland
| | - Jorieke Weiden
- Programmable
Biomaterials Laboratory, Institute of Materials, School of Engineering, École Polytechnique Fédérale
de Lausanne, Lausanne 1015, Switzerland
| | | | | | - Susanne C. M. Reinhardt
- Max
Planck Institute of Biochemistry, Planegg 82152, Germany
- Faculty
of Physics and Center for Nanoscience, Ludwig
Maximilian University, Munich 80539, Germany
| | - Ian A. Parish
- Peter
MacCallum Cancer Centre, Melbourne, VIC 3000, Australia
- Sir
Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC 3128, Australia
| | - Ralf Jungmann
- Max
Planck Institute of Biochemistry, Planegg 82152, Germany
- Faculty
of Physics and Center for Nanoscience, Ludwig
Maximilian University, Munich 80539, Germany
| | - Maartje M. C. Bastings
- Programmable
Biomaterials Laboratory, Institute of Materials, School of Engineering, École Polytechnique Fédérale
de Lausanne, Lausanne 1015, Switzerland
- Interfaculty
Bioengineering Institute, School of Engineering, École Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland
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Freitag JS, Möser C, Belay R, Altattan B, Grasse N, Pothineni BK, Schnauß J, Smith DM. Integration of functional peptides into nucleic acid-based nanostructures. NANOSCALE 2023; 15:7608-7624. [PMID: 37042085 DOI: 10.1039/d2nr05429a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
In many applications such as diagnostics and therapy development, small peptide fragments consisting of only a few amino acids are often attractive alternatives to bulky proteins. This is due to factors such as the ease of scalable chemical synthesis and numerous methods for their discovery. One drawback of using peptides is that their activity can often be negatively impacted by the lack of a rigid, 3D stabilizing structure provided by the rest of the protein. In many cases, this can be alleviated by different methods of rational templating onto nanomaterials, which provides additional possibilities to use concepts of multivalence or rational nano-engineering to enhance or even create new types of function or structure. In recent years, nanostructures made from the self-assembly of DNA strands have been used as scaffolds to create functional arrangements of peptides, often leading to greatly enhanced biological activity or new material properties. This review will give an overview of nano-templating approaches based on the combination of DNA nanotechnology and peptides. This will include both bioengineering strategies to control interactions with cells or other biological systems, as well as examples where the combination of DNA and peptides has been leveraged for the rational design of new functional materials.
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Affiliation(s)
- Jessica S Freitag
- Fraunhofer Institute for Cell Therapy and Immunology, 04103 Leipzig, Germany.
| | - Christin Möser
- Fraunhofer Institute for Cell Therapy and Immunology, 04103 Leipzig, Germany.
| | - Robel Belay
- Fraunhofer Institute for Cell Therapy and Immunology, 04103 Leipzig, Germany.
| | - Basma Altattan
- Fraunhofer Institute for Cell Therapy and Immunology, 04103 Leipzig, Germany.
| | - Nico Grasse
- Fraunhofer Institute for Cell Therapy and Immunology, 04103 Leipzig, Germany.
| | | | - Jörg Schnauß
- Fraunhofer Institute for Cell Therapy and Immunology, 04103 Leipzig, Germany.
- Peter Debye Institute for Soft Matter Physics, Leipzig University, 04103 Leipzig, Germany
- Unconventional Computing Lab, UWE, Bristol, BS16 1QY, UK
| | - David M Smith
- Fraunhofer Institute for Cell Therapy and Immunology, 04103 Leipzig, Germany.
- Peter Debye Institute for Soft Matter Physics, Leipzig University, 04103 Leipzig, Germany
- Institute of Clinical Immunology, University of Leipzig Medical Faculty, 04103 Leipzig, Germany
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3
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Bila H, Paloja K, Caroprese V, Kononenko A, Bastings MM. Multivalent Pattern Recognition through Control of Nano-Spacing in Low-Valency Super-Selective Materials. J Am Chem Soc 2022; 144:21576-21586. [DOI: 10.1021/jacs.2c08529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Hale Bila
- Programmable Biomaterials Laboratory (PBL), Institute of Materials (IMX), Interfaculty Bioengineering Institute (IBI), School of Engineering (STI), Ecole Polytechnique Fédérale Lausanne (EPFL), Lausanne 1015, Switzerland
| | - Kaltrina Paloja
- Programmable Biomaterials Laboratory (PBL), Institute of Materials (IMX), Interfaculty Bioengineering Institute (IBI), School of Engineering (STI), Ecole Polytechnique Fédérale Lausanne (EPFL), Lausanne 1015, Switzerland
| | - Vincenzo Caroprese
- Programmable Biomaterials Laboratory (PBL), Institute of Materials (IMX), Interfaculty Bioengineering Institute (IBI), School of Engineering (STI), Ecole Polytechnique Fédérale Lausanne (EPFL), Lausanne 1015, Switzerland
| | - Artem Kononenko
- Programmable Biomaterials Laboratory (PBL), Institute of Materials (IMX), Interfaculty Bioengineering Institute (IBI), School of Engineering (STI), Ecole Polytechnique Fédérale Lausanne (EPFL), Lausanne 1015, Switzerland
| | - Maartje M.C. Bastings
- Programmable Biomaterials Laboratory (PBL), Institute of Materials (IMX), Interfaculty Bioengineering Institute (IBI), School of Engineering (STI), Ecole Polytechnique Fédérale Lausanne (EPFL), Lausanne 1015, Switzerland
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