9fdc
Co-crystal structure of Galectin-3 with an inhibitor
Structural highlights
FunctionLEG3_HUMAN Galactose-specific lectin which binds IgE. May mediate with the alpha-3, beta-1 integrin the stimulation by CSPG4 of endothelial cells migration. Together with DMBT1, required for terminal differentiation of columnar epithelial cells during early embryogenesis (By similarity). In the nucleus: acts as a pre-mRNA splicing factor. Involved in acute inflammatory responses including neutrophil activation and adhesion, chemoattraction of monocytes macrophages, opsonization of apoptotic neutrophils, and activation of mast cells.[1] [2] [3] Publication Abstract from PubMedGalectin-3 (Gal-3), a beta-galactoside-binding lectin, is implicated in diverse cellular functions ranging from immune response modulation to tissue homeostasis. Notably, increased Gal-3 expression has been linked to the progression of numerous diseases, including cancer, fibrosis, and cardiovascular disorders, underscoring its potential as a therapeutic target. Small molecule inhibitors have been discovered and are valuable tools to study such diseases. We report here the discovery of novel, galactose-based, small molecule inhibitors such as compound 12 which are orally bioavailable and show efficacy in a mouse model of acute liver injury and fibrosis (CCl4 model). The use of structure-based drug design (docking of a virtual library of amides based on acid 2) was key in the process towards potent, nanomolar inhibitors. , PMID:40071533[4] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. References
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