ArticleProceedings of the National Academy of Sciences of the United States of America2026
Dynamic reprogramming of the tumor immune network via multicycle checkpoint degradation for cancer immunotherapy.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The trial behind it
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Who cites it
2 citing papers in PubMed.
- Macropinocytosis-mediated recyclable LYTACs (McR-TACs) for receptor-independent protein degradation.Nature biotechnology · 2026Article
- Nano-enabled spatially selective protein degradation modulates lactate metabolism to potentiate antitumor immunity in liver cancer.Nature nanotechnology · 2026Article
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Authors and funding
14 authors.
Funding
Abstract
The efficacy of immune checkpoint blockade is often limited by intrinsic immunosuppressive networks within the tumor immune microenvironment (TIME). Despite progress in cancer treatment, current extracellular targeted protein degradation approaches often overlook the multicellular distribution and crosstalk of immune checkpoints. Here we reported a Receptor-mediated Endolysosomal recYcling Chimera (RECYC) platform. RECYC employs a CI-M6PR-targeting aptamer that remains stable across late endosomal pH and a protein-binding peptide with moderate affinity and pH responsiveness, which together drive recycling and sustained checkpoint clearance. In ex vivo co-culture and in vivo murine models, RECYC efficiently eliminated programmed death-ligand 1 (PD-L1) expression from both tumor cells and tumor-associated myeloid cells (macrophages, neutrophils and dendritic cells). By converting an immunosuppressive TIME to an immunostimulatory state, RECYC remodeled the tumor-immune network in an anti-tumor direction, thereby enhancing CD8
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