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- Title
A co-assembly platform engaging macrophage scavenger receptor A for lysosome-targeting protein degradation.
- Authors
Wang, Qian; Yang, Xingyue; Yuan, Ruixin; Shen, Ao; Wang, Pushu; Li, Haoting; Zhang, Jun; Tian, Chao; Jiang, Zhujun; Li, Wenzhe; Dong, Suwei
- Abstract
Targeted degradation of proteins has emerged as a powerful method for modulating protein homeostasis. Identification of suitable degraders is essential for achieving effective protein degradation. Here, we present a non-covalent degrader construction strategy, based on a modular supramolecular co-assembly system consisting of two self-assembling peptide ligands that bind cell membrane receptors and the protein of interest simultaneously, resulting in targeted protein degradation. The developed lysosome-targeting co-assemblies (LYTACAs) can induce lysosomal degradation of extracellular protein IL-17A and membrane protein PD-L1 in several scavenger receptor A-expressing cell lines. The IL-17A-degrading co-assembly has been applied in an imiquimod-induced psoriasis mouse model, where it decreases IL-17A levels in the skin lesion and alleviates psoriasis-like inflammation. Extending to asialoglycoprotein receptor-related protein degradation, LYTACAs have demonstrated the versatility and potential in streamlining degraders for extracellular and membrane proteins. Targeted degradation of proteins has emerged as a powerful method for modulating protein homeostasis. Here, the authors develop LYTACAs, a modular supramolecular lysosome-targeting co-assembly system, as an effective platform for lysosomal degradation of extracellular and membrane proteins.
- Subjects
LYSOSOMES; PROTEOLYSIS; CELL receptors; MEMBRANE proteins; PEPTIDES; MACROPHAGES; LIGAND binding (Biochemistry)
- Publication
Nature Communications, 2024, Vol 15, Issue 1, p1
- ISSN
2041-1723
- Publication type
Article
- DOI
10.1038/s41467-024-46130-0