A Novel C–C Chemokine Receptor 2 Antagonist Prevents Progression of Albuminuria and Atherosclerosis in Mouse Models

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C–C chemokine ligand 2 (CCL2)/its receptor (CCR2) axis is considered as an important signaling pathway in inflammatory diseases. TLK-19705 is a novel CCR2 antagonist, (1-(1,3-dimethyl-1-H-pyrazolo[3,4-b]pyridine-5-carbonyl)-3-(4-fluoro-3-(trifluoromethyl)phenyl)urea), and the inhibitory activity was antagonized by the third extracellular loop peptide of CCR2. We examined in this study the effects of TLK-19705 on diabetic nephropathy and atherosclerosis in mouse models. Treatment with TLK-19705 (30 mg/kg/d) for 8 weeks ameliorated urinary albumin–creatinine ratio in db/db mice. In addition, TLK-19705, given at 10 mg/kg/d for 8 weeks, significantly reduced the areas of atherosclerotic lesion in apolipoprotein E knockout mice. In conclusion, the results of this study indicate not only considerable therapeutic potential of CCR2 antagonists for diabetic nephropathy and atherosclerosis, but also that TLK-19705 would serve as a powerful tool in mechanistic investigation of these inflammatory diseases.

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A Novel C–C Chemokine Receptor 2 Antagonist Prevents Progression of Albuminuria and Atherosclerosis in Mouse Models

スポンサーリンク