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Lysosome-targeting chimaeras for degradation of extracellular proteins | Nature

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Lysosome-targeting chimaeras—in which a small molecule or antibody is connected to a glycopeptide ligand to form a conjugate that can bind a cell-surface lysosome-shuttling receptor and a protein target—are used to achieve the targeted degradation of extracellular and membrane proteins.

Subjects Carbohydrate chemistry Chemical tools Lysosomes Transporters Abstract The majority of therapies that target individual proteins rely on specific activity-modulating interactions with the target protein—for example, enzyme inhibition or ligand blocking. However, several major classes of therapeutically relevant proteins have unknown or inaccessible activity profiles and so cannot be targeted by such strategies. Protein-degradation platforms such as proteolysis-targeting chimaeras (PROTACs) 1 , 2 and others (for example, dTAGs 3 , Trim-Away 4 , chaperone-mediated autophagy targeting 5 a

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