ArticleJournal for immunotherapy of cancer2025
Novel PD-1-targeted, activity-optimized IL-15 mutein SOT201 acting in cis provides antitumor activity superior to PD1-IL2v.
Article in Journal for immunotherapy of cancer, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Cotargeting TREM2 and IL2 pathways triggers multipronged anticancer immunity.Molecular oncology · 2026Article
- Advances in IL-15-Based Cancer Immunotherapy and Divergent Immunological Effects of IL-2 and IL-15 Signaling via the Shared IL-2Rβγ Receptor.Frontiers in immunology · 2026Review
- The development of a next generation NK cell engager platform by integrating a potency-reduced IL-15 variant to enhance antitumor activity.Antibody therapeutics · 2026Article
- Protein engineering to overcome limitations of key cytokines in cancer immunotherapy: current approaches and future perspectives.Immuno-oncology technology · 2025Review
- Review
Corrections and comments
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Authors and funding
27 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundSOT201 and its murine surrogate mSOT201 are novel cis-acting immunocytokines consisting of a humanized/murinized/, Fc-silenced anti-programmed cell death protein 1 (PD-1) monoclonal antibody (mAb) fused to an attenuated human interleukin (IL)-15 and the IL-15Rα sushi+ domain. Murine mPD1-IL2v is a conjugate of a murinized, Fc silenced anti-PD-1 mAb bearing human IL-2 with abolished IL-2Rα binding. These immunocytokines spatiotemporally reinvigorate PD-1
methodsHuman peripheral blood mononuclear cell and cell lines were used to evaluate cis/trans activity of SOT201. Anti-PD-1 mAb responsive (MC38, CT26) and resistant (B16F10, CT26 STK11 KO) mouse tumor models were used to determine the anticancer efficacy, and the underlying immune cell activity was analyzed via single-cell RNA sequencing and flow cytometry. The expansion of tumor antigen-specific CD8
resultsSOT201 delivers attenuated IL-15 to PD-1
conclusionsSOT201 represents a promising therapeutic candidate that preferentially targets PD-1
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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.