期刊
INTERNATIONAL JOURNAL OF OBESITY
卷 39, 期 5, 页码 782-790出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/ijo.2014.198
关键词
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资金
- Netherlands CardioVascular Research Initiative: 'the Dutch Heart Foundation, Dutch Federation of University Medical Centres, the Netherlands Organisation for Health Research and Development and the Royal Netherlands Academy of Sciences'
- GENIUS project 'Generating the best evidence-based pharmaceutical targets for atherosclerosis' [CVON2011-19]
- Netherlands Organization for Scientific Research (NWO)
- Netherlands Heart Foundation
- Rembrandt foundation
- Deutsche Forschungsgemeinschaft (DFG) [FOR809: LU1643/1-2, SO876/3-1, WE1913/11-2, SFB914-B08, SFB 1054, SFB-1123, CH279/5-1]
- European Research Council [281296, 249929]
- Else-Kroner-Fresenius-Stiftung
- German Federal Ministry of Education and Research
- DZHK (German Centre for Cardiovascular Research) [MHA VD1.2]
- Cardiovascular Research Institute Maastricht
- EU [KBBE-2011-5 289350]
- Transnational University Limburg
- Cyttron II [FES0908]
- European Research Council (ERC) [249929, 281296] Funding Source: European Research Council (ERC)
BACKGROUND: Immune processes contribute to the development of obesity and its complications, such as insulin resistance, type 2 diabetes mellitus and cardiovascular disease. Approaches that target the inflammatory response are promising therapeutic strategies for obesity. In this context, we recently demonstrated that the interaction between the costimulatory protein CD40 and its downstream adaptor protein tumor necrosis factor receptor-associated factor 6 (TRAF6) promotes adipose tissue inflammation, insulin resistance and hepatic steatosis in mice in the course of diet-induced obesity (DIO). METHODS: Here we evaluated the effects of a small-molecule inhibitor (SMI) of the CD40-TRAF6 interaction, SMI 6860766, on the development of obesity and its complications in mice that were subjected to DIO. RESULTS: Treatment with SMI 6860766 did not result in differences in weight gain, but improved glucose tolerance. Moreover, SMI 6860766 treatment reduced the amount of CD45(+) leucocytes in the epididymal adipose tissue by 69%. Especially, the number of adipose tissue CD4(+) and CD8(+) T cells, as well as macrophages, was significantly decreased. CONCLUSIONS: Our results indicate that small-molecule-mediated inhibition of the CD40-TRAF6 interaction is a promising therapeutic strategy for the treatment of metabolic complications of obesity by improving glucose tolerance, by reducing the accumulation of immune cells to the adipose tissue and by skewing of the immune response towards a more anti-inflammatory profile.
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