ArticleAngewandte Chemie (International ed. in English)2024
Enzymatic Synthesis of Disialyllacto-N-Tetraose (DSLNT) and Related Human Milk Oligosaccharides Reveals Broad Siglec Recognition of the Atypical Neu5Acα2-6GlcNAc Motif.
Article in Angewandte Chemie (International ed. in English), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Total Chemical Synthesis of the Human Milk Oligosaccharide Disialyllacto-Organic letters · 2026Article
- Synthesis of sialylated human milk oligosaccharides by automated glycan assembly.Nature communications · 2026Article
- Writers and readers of sialylation in immunoregulation in cancer.The Journal of biological chemistry · 2026Review
- Divergent Enzymatic Synthesis of a Comprehensive Type‑1 Glycan Determinant Library.ACS catalysis · 2025Article
- Expression of functional human sialyltransferases ST6GalNAc5 and ST6GalNAc6 in Pichia pastoris.Applied microbiology and biotechnology · 2025Article
- Advancing Chemoenzymatic Synthesis and Covalent Immobilization of a Comprehensive Ganglio-glycosphingolipid Library Enables Functional Multiplex Bead Assays.Journal of the American Chemical Society · 2025Article
- Integrated 'omics analysis reveals human milk oligosaccharide biosynthesis programs in human lactocytes.iScience · 2025Article
- Orthogonal-Group-Controlled Site-Selective I-Branching of Poly-N-acetyllactosamine Chains Reveals Unique Binding Specificities of Proteins towards I-Antigens.Angewandte Chemie (International ed. in English) · 2025Article
- Article
- Glycosyltransferases: glycoengineers in human milk oligosaccharide synthesis and manufacturing.Frontiers in molecular biosciences · 2025Review
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Authors and funding
5 authors.
Funding
Abstract
Sialic acids (Sias) are ubiquitously expressed on all types of glycans, typically as terminating residues. They usually link to galactose, N-acetylgalactosamine, or other Sia residues, forming ligands of many glycan-binding proteins. An atypical linkage to the C6 of N-acetylglucosamine (GlcNAc) has been identified in human milk oligosaccharides (HMOs, e.g., DSLNT) and tumor-associated glycoconjugates. Herein, describe the systematic synthesis of these HMOs in an enzymatic modular manner. The synthetic strategy relies on a novel activity of ST6GalNAc6 for efficient construction of the Neu5Acα2-6GlcNAc linkage, and another 12 specific enzyme modules for sequential HMO assembly. The structures enabled comprehensive exploration of their structure-function relationships using glycan microarrays, revealing broad yet distinct recognition by Siglecs of the atypical Neu5Acα2-6GlcNAc motif. The work provides tools and new insight for the functional study and potential applications of Siglecs and HMOs.
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