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ID: ALA4680302
Journal: J Med Chem
Title: Biologic-like In Vivo Efficacy with Small Molecule Inhibitors of TNFα Identified Using Scaffold Hopping and Structure-Based Drug Design Approaches.
Authors: Xiao HY,Li N,Duan JJ,Jiang B,Lu Z,Ngu K,Tino J,Kopcho LM,Lu H,Chen J,Tebben AJ,Sheriff S,Chang CY,Yanchunas J,Calambur D,Gao M,Shuster DJ,Susulic V,Xie JH,Guarino VR,Wu DR,Gregor KR,Goldstine CB,Hynes J,Macor JE,Salter-Cid L,Burke JR,Shaw PJ,Dhar TGM
Abstract: Scaffold hopping and structure-based drug design were employed to identify substituted 4-aminoquinolines and 4-aminonaphthyridines as potent, small molecule inhibitors of tumor necrosis factor alpha (TNFα). Structure-activity relationships in both the quinoline and naphthyridine series leading to the identification of compound 42 with excellent potency and pharmacokinetic profile are discussed. X-ray co-crystal structure analysis and ultracentrifugation experiments clearly demonstrate that these inhibitors distort the TNFα trimer upon binding, leading to aberrant signaling when the trimer binds to TNF receptor 1 (TNFR1). Pharmacokinetic-pharmacodynamic activity of compound 42 in a TNF-induced IL-6 mouse model and in vivo activity in a collagen antibody-induced arthritis model, where it showed biologic-like in vivo efficacy, will be discussed.
CiteXplore: 33261314