ArticleChemistry (Weinheim an der Bergstrasse, Germany)2025
Design of Potent Mannose-6-Phosphate Derivatives as Ligands for CI-M6P/IGF2R Using Fluorescence Polarization Assay.
Article in Chemistry (Weinheim an der Bergstrasse, Germany), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Synthesis and Biological Evaluation of Well-Defined M6P(n)-Modified Glycopeptides for Targeted Protein Degradation.Chemistry (Weinheim an der Bergstrasse, Germany) · 2026Article
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Authors and funding
12 authors.
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Abstract
The cation-independent mannose-6-phosphate/IGF2 receptor (CI-M6P/IGF2R) plays a crucial role in transporting lysosomal enzymes and other ligands. In this study, we designed and synthesized novel stable mannose-6-phosphate (M6P) derivatives to enhance their affinity for CI-M6P/IGF2R. To evaluate the binding potency, we employed a sensitive and cost-effective fluorescence polarization assay, enabling rapid quantification of receptor-ligand interactions in solution. The tested compounds included di-, tri-, and penta-M6P peptides along with various M6P-derived small molecules featuring phosphate isosteres or other functional modifications. Our findings indicate that ligands bearing multiple M6P moieties exhibit significantly higher receptor affinities than monomeric compounds and that phosphonate groups may serve as a more stable and potent alternative to native M6P. Computational modeling of ligand interactions with the CI-M6P/IGF2R domains further elucidated the binding mechanisms, offering new directions for the development of more effective ligands. This study advances the design of therapeutic strategies that leverage CI-M6P/IGF2R for targeted biomolecule delivery to lysosomes, thereby opening new possibilities for biomedical applications.
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