H. Togame

Publications23
h-index11
Citations374
Highly Influential Citations5
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An essential epitope of anti-MUC1 monoclonal antibody KL-6 revealed by focused glycopeptide library.
Human serum Krebs von den Lungen-6 (KL-6) antigen, a high-molecular-weight glycoprotein classified as a polymorphic epithelial mucin (MUC1), is a biomarker of diseases such as interstitial pneumonia,… Expand
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Chemoenzymatic synthesis of glycosylated glucagon-like peptide 1: effect of glycosylation on proteolytic resistance and in vivo blood glucose-lowering activity.
Glucagon-like peptide 1 (7-36) amide (GLP-1) has been attracting considerable attention as a therapeutic agent for the treatment of type 2 diabetes. In this study, we applied a glycoengineering… Expand
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A Versatile High-Throughput Screen for Inhibitors of Lipid Kinase Activity: Development of an Immobilized Phospholipid Plate Assay for Phosphoinositide 3-Kinase γ
The family of phosphoinositide 3-kinases (PI3K) regulates fundamental cellular responses such as proliferation, apoptosis, motility, and adhesion. In particular, the PI3K γ isoform plays a critical… Expand
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In-crystal affinity ranking of fragment hit compounds reveals a relationship with their inhibitory activities
Fragment-based drug discovery (FBDD), which is a molecular build-up strategy from small scaffolds, has recently become a promising approach for lead-compound generation. Although high-throughput… Expand
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In vitro amidation for the preparation of an α-amidated peptide: enzymatic coupling with prolyl endopeptidase
By enzymatic coupling with an endopeptidase specific for proline residue, i.e., prolyl endopeptidase, an α-amidated peptide (LH-RH) has been prepared from its acid form precursor without any… Expand
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An efficient approach to the discovery of potent inhibitors against glycosyltransferases.
We describe a standardized approach for searching potent and selective inhibitors of glycosyltransferases by high throughput quantitative MALDI-TOFMS-based screening of focused compound libraries… Expand
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Functional neoglycopeptides: synthesis and characterization of a new class of MUC1 glycoprotein models having core 2-based O-glycan and complex-type N-glycan chains.
An efficient protocol for the construction of MUC1-related glycopeptide analogues having complex O-glycan and N-glycan chains was established by integrating chemical and enzymatic approaches on the… Expand
  • 30
Conformational restriction approach to β-secretase (BACE1) inhibitors: effect of a cyclopropane ring to induce an alternative binding mode.
Improvement of a drug's binding activity using the conformational restriction approach with sp³ hybridized carbon is becoming a key strategy in drug discovery. We applied this approach to BACE1… Expand
  • 37
Highly oriented recombinant glycosyltransferases: site-specific immobilization of unstable membrane proteins by using Staphylococcus aureus sortase A.
Recombinant glycosyltransferases are potential biocatalysts for the construction of a compound library of oligosaccharides, glycosphingolipids, glycopeptides, and various artificial glycoconjugates… Expand
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Conformational restriction approach to BACE1 inhibitors II: SAR study of the isocytosine derivatives fixed with a cis-cyclopropane ring.
To improve the efficacy of the conformationally restricted BACE1 inhibitors, structural modifications were investigated using two strategies: (a) modification of the terminal aromatic ring and (b)… Expand
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