Glucagon-like peptide-1 (GLP-1) is an insulinotropic peptide that signals through the GLP-1 receptor (GLP-1R). GLP-1R, therefore, plays a critical role in diabetes and cardiovascular disease. Whether GLP-1R is involved in inflammatory disease such as gout remains unclear. Macrophages are critical effector cells in the pathogenesis of gout, a common form of inflammatory arthritis caused by the deposition of uric acid in joints. The expression of GLP-1R at the protein level is controversial due to the lack of specificity of existing antibodies against GLP-1R. Using a transgenic mouse model expressing enhanced green fluorescent protein (EGFP) under the control of GLP-1R promoter, here we confirmed the expression of GLP-1R by macrophages. M2 type macrophages and Ly6C(+) macrophages expressed higher levels of GLP-1R, compared to their counterparts. GLP-1R deficient macrophages displayed a reduced the migratory ability and an enhanced expression of interleukin (IL)-6, while the expression of IL-1 beta was not affected. In monosodium urate (MSU) crystal-induced peritonitis, an experimental model of gout, the recruitment of macrophages, especially M2 macrophages, was significantly suppressed in GLP-1R knockout mice compared to wild-type mice. In conclusion, our data suggests that GLP-1R plays a critical role in macrophage migration in MSU-induced inflammation.
基金:
National Natural Science Foundation of China [81974254, 31870906, 82170470, 81671544, 81871286]; National Institutes of Health [R01HL142643, R03DK119680]; American Heart Association [17GRNT33670485]; American Diabetes Association [1-19-JDF-117]; American Association of Immunologists [CIIF-8745]; Hubei University of Medicine [2018QDJZR04]; Foundation of Health Commission of Hubei [WDCM2020010]; Natural Science Foundation of the Bureau of Science and Technology of Shiyan City [WJ2021M061]; Hubei Key Laboratory of Wudang Local Chinese Medicine Research (Hubei University of Medicine) [21Y71]
第一作者单位:[1]Hubei Univ Med, Sinopharm Dongfeng Gen Hosp, Hubei Key Lab Wudang Local Chinese Med Res, Shiyan, Peoples R China[2]Case Western Reserve Univ, Cardiovasc Res Inst, Cleveland, OH 44106 USA
通讯作者:
推荐引用方式(GB/T 7714):
Chen Jun,Mei Aihua,Liu Xinxin,et al.Glucagon-Like Peptide-1 Receptor Regulates Macrophage Migration in Monosodium Urate-Induced Peritoneal Inflammation[J].FRONTIERS IN IMMUNOLOGY.2022,13:doi:10.3389/fimmu.2022.772446.
APA:
Chen, Jun,Mei, Aihua,Liu, Xinxin,Braunstein, Zachary,Wei, Yingying...&Zhong, Jixin.(2022).Glucagon-Like Peptide-1 Receptor Regulates Macrophage Migration in Monosodium Urate-Induced Peritoneal Inflammation.FRONTIERS IN IMMUNOLOGY,13,
MLA:
Chen, Jun,et al."Glucagon-Like Peptide-1 Receptor Regulates Macrophage Migration in Monosodium Urate-Induced Peritoneal Inflammation".FRONTIERS IN IMMUNOLOGY 13.(2022)