In vivo and in vitro SAR of tetracyclic MAPKAP-K2 (MK2) inhibitors. Part II.

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Revesz L, Schlapbach A, Aichholz R, Dawson J, Feifel R, Hawtin S, Littlewood-Evans A, Koch G, Kroemer M, Mobitz H, Scheufler C, Velcicky J, Huppertz C

In vivo and in vitro SAR of tetracyclic MAPKAP-K2 (MK2) inhibitors. Part II.

Bioorg Med Chem Lett. 2010 Aug 1;20(15):4719-23. doi: 10.1016/j.bmcl.2010.04.023. Epub 2010 Apr 11.

PubMed ID

20591669 [ View in PubMed

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Abstract

Spirocyclopropane- and spiroazetidine-substituted tetracycles 13D-E and 16A are described as orally active MK2 inhibitors. The spiroazetidine derivatives are potent MK2 inhibitors with IC(50)<3 nM and inhibit the release of TNFalpha (IC(50)<0.3 microM) from hPBMCs and hsp27 phosphorylation in anisomycin stimulated THP-1 cells. The spirocyclopropane analogues are less potent against MK2 (IC(50)=0.05-0.23 microM), less potent in cells (IC(50)<1.1 microM), but show good oral absorption. Compound 13E (100mg/kg po; bid) showed oral activity in rAIA and mCIA, with significant reduction of swelling and histological score.

DrugBank Data that Cites this Article

Binding Properties

Drug	Target	Property	Measurement	pH	Temperature (°C)
2-[2-(2-FLUOROPHENYL)PYRIDIN-4-YL]-1,5,6,7-TETRAHYDRO-4H-PYRROLO[3,2-C]PYRIDIN-4-ONE	MAP kinase-activated protein kinase 2	IC 50 (nM)	560	N/A	N/A	Details
2-[2-(2-FLUOROPHENYL)PYRIDIN-4-YL]-1,5,6,7-TETRAHYDRO-4H-PYRROLO[3,2-C]PYRIDIN-4-ONE	MAP kinase-activated protein kinase 2	IC 50 (nM)	8900	N/A	N/A	Details