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ID: ALA5120969
Journal: J Med Chem
Title: Identification of Monosaccharide Derivatives as Potent, Selective, and Orally Bioavailable Inhibitors of Human and Mouse Galectin-3.
Authors: Liu C, Jalagam PR, Feng J, Wang W, Raja T, Sura MR, Manepalli RKVLP, Aliphedi BR, Medavarapu S, Nair SK, Muthalagu V, Natesan R, Gupta A, Beno B, Panda M, Ghosh K, Shukla JK, Sale H, Haldar P, Kalidindi N, Shah D, Patel D, Mathur A, Ellsworth BA, Cheng D, Regueiro-Ren A.
Abstract: Galectin-3 (Gal-3), a member of the β-galactoside-binding protein family, is implicated in a wide variety of human diseases. Identification of Gal-3 inhibitors with the right combination of potency (against both human and mouse Gal-3) and pharmacokinetic properties to fully evaluate the potential of Gal-3 for therapeutic intervention has been a major challenge due to the characteristics of its binding pocket: high hydrophilicity and key structural differences between human Gal-3 and the mouse ortholog. We report the discovery of a novel series of monosaccharide-based, highly potent, and orally bioavailable inhibitors of human and mouse Gal-3. The novel monosaccharide derivatives proved to be selective for Gal-3, the only member of the chimeric type of galectins, over Gal-1 and Gal-9, representative of the prototype and tandem-repeat type of galectins, respectively. The proposed binding mode for the newly identified ligands was confirmed by an X-ray cocrystal structure of a representative analogue bound to Gal-3 protein.
CiteXplore: 35969688