ArticleNature communications2024
i-shaped antibody engineering enables conformational tuning of biotherapeutic receptor agonists.
Article in Nature communications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
What it found
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
12 citing papers in PubMed, 15 citations in OpenAlex.
- Article
- Article
- Realizing the potential of agonistic antibody immunotherapy.Nature reviews. Drug discovery · 2026Review
- Engineering trispecific IL-2 receptor agonistic antibodies through geometry optimization for enhanced Treg targeting.Nature communications · 2026Article
- Harnessing multivalency and FcγRIIB engagement to augment anti-CD27 immunotherapy.Nature communications · 2025Article
- Article
- Review
- Structure-Guided Stapling of Dimeric Conformations and Linker Engineering Enhance Thermostability and Fine-Tune Activity of Bispecific VHH Cytokine Agonists.Antibodies (Basel, Switzerland) · 2025Article
- Induced proximity at the cell surface.Nature biotechnology · 2025Review
- Structure-guided disulfide engineering restricts antibody conformation to elicit TNFR agonism.Nature communications · 2025Article
- A Phase I Clinical Trial Adding OX40 Agonism to In Situ Therapeutic Cancer Vaccination in Patients with Low-Grade B-cell Lymphoma Highlights Challenges in Translation from Mouse to Human Studies.Clinical cancer research : an official journal of the American Association for Cancer Research · 2025Article
- Antigen-binding fragments with improved crystal lattice packing and enhanced conformational flexibility at the elbow region as crystallization chaperones.Protein science : a publication of the Protein Society · 2024Article
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Authors and funding
17 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The ability to leverage antibodies to agonize disease relevant biological pathways has tremendous potential for clinical investigation. Yet while antibodies have been successful as antagonists, immune mediators, and targeting agents, they are not readily effective at recapitulating the biology of natural ligands. Among the important determinants of antibody agonist activity is the geometry of target receptor engagement. Here, we describe an engineering approach inspired by a naturally occurring Fab-Fab homotypic interaction that constrains IgG in a unique i-shaped conformation. i-shaped antibody (iAb) engineering enables potent intrinsic agonism of five tumor necrosis factor receptor superfamily (TNFRSF) targets. When applied to bispecific antibodies against the heterodimeric IL-2 receptor pair, constrained bispecific IgG formats recapitulate IL-2 agonist activity. iAb engineering provides a tool to tune agonist antibody function and this work provides a framework for the development of intrinsic antibody agonists with the potential for generalization across broad receptor classes.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.