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Crystal structure of PDE4D2 in complex with inhibitor LEO39652Crystal structure of PDE4D2 in complex with inhibitor LEO39652
Structural highlights
DiseasePDE4D_HUMAN Note=Genetic variations in PDE4D might be associated with susceptibility to stroke. PubMed:17006457 states that association with stroke has to be considered with caution. Defects in PDE4D are the cause of acrodysostosis type 2, with or without hormone resistance (ACRDYS2) [MIM:614613. ACRDYS2 is a pleiotropic disorder characterized by skeletal, endocrine, and neurological abnormalities. Skeletal features include brachycephaly, midface hypoplasia with a small upturned nose, brachydactyly, and lumbar spinal stenosis. Endocrine abnormalities include hypothyroidism and hypogonadism in males and irregular menses in females. Developmental disability is a common finding but is variable in severity and can be associated with significant behavioral problems.[1] FunctionPDE4D_HUMAN Hydrolyzes the second messenger cAMP, which is a key regulator of many important physiological processes.[2] [3] Publication Abstract from PubMedWe describe the design of a novel PDE4 scaffold and the exploration of the dual-soft concept to reduce systemic side effects via rapid elimination: introducing ester functionalities that can be inactivated in blood as well as by the liver (dual-soft) while being stable in human skin. Compound 40 was selected as a clinical candidate as it was potent and rapidly degraded by blood and liver to inactive metabolites and because in preclinical studies it showed high exposure at the target organ: the skin. Preclinical and clinical data are presented confirming the value of the dual-soft concept in reducing systemic exposure. Discovery and Early Clinical Development of Isobutyl 1-[8-Methoxy-5-(1-oxo-3H-isobenzofuran-5-yl)-[1,2,4]triazolo[1,5-a]pyridin-2-yl]c yclopropanecarboxylate (LEO 39652), a Novel "Dual-Soft" PDE4 Inhibitor for Topical Treatment of Atopic Dermatitis.,Larsen J, Lambert M, Pettersson H, Vifian T, Larsen M, Ollerstam A, Hegardt P, Eskilsson C, Laursen S, Soehoel A, Skak-Nielsen T, Hansen LM, Knudsen NO, Eirefelt S, Sorensen MD, Stilou TG, Nielsen SF J Med Chem. 2020 Oct 15. doi: 10.1021/acs.jmedchem.0c00797. PMID:33054196[4] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See AlsoReferences
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