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001-es BibID:BIBFORM124087
035-os BibID:(WoS)001061261800001 (Scopus)85171309454
Első szerző:Lázár László (vegyész)
Cím:Strong Binding of C-Glycosylic1,2-Thiodisaccharides to Galectin-3 - Enthalpy-Driven Affinity Enhancement by Water-Mediated Hydrogen Bonds / László Lázár, Anastasia S. Tsagkarakou, George Stravodimos, George Kontopidis, Hakon Leffler, Ulf J. Nilsson, László Somsák, Demetres D. Leonidas
Dátum:2023
ISSN:0022-2623 1520-4804
Megjegyzések:Galectin-3 is involved in multiple pathways of many diseases, including cancer, fibrosis, and diabetes, and it is a validated pharmaceutical target for the development of novel therapeutic agents to address unmet medical needs. Novel 1,2-thiodisaccharides with a C-glycosylic functionality were synthesized by the photoinitiated thiol-ene click reaction of O-peracylated 1-C-substituted glycals and 1-thio-glycopyranoses. Subsequent global deprotection yielded test compounds, which were studied for their binding to human galectin-3 by fluorescence polarization and isothermal titration calorimetry to show low micromolar Kd values. The best inhibitor displayed a Kd value of 8.0 ?M. An analysis of the thermodynamic binding parameters revealed that the binding Gibbs free energy (?G) of the new inhibitors was dominated by enthalpy (?H). The binding mode of the four most efficient 1,2-thiodisaccharides was also studied by X-ray crystallography that uncovered the unique role of water-mediated hydrogen bonds in conferring enthalpy-driven affinity enhancement for the new inhibitors. This 1,2-thiodisaccharide-type scaffold represents a new lead for galectin-3 inhibitor discovery and offers several possibilities for further development.
Tárgyszavak:Természettudományok Kémiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Megjelenés:Journal of Medicinal Chemistry. - 66 : 17 (2023), p. 12420-12431. -
További szerzők:Tsagkarakou, Anastasia S. Stravodimos, George A. Kontopidis, George Leffler, Hakon Nilsson Ulf J. Somsák László (1954-) (vegyész) Leonidas, Demetres D.
Pályázati támogatás:K109450
OTKA
K146147
OTKA
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