Hogan, Andrew E. and Gaoatswe, Gadintshware and Lynch, Lydia and Corrigan, Michelle and Woods, Conor and O'Connell, Jean and O'Shea, Donal (2014) Glucagon-like peptide 1 analogue therapy directly modulates innate immune-mediated inflammation in individuals with type 2 diabetes mellitus. Diabetologia, 57. pp. 781-784. ISSN 0012-186X

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Abstract

Aims/hypothesis Glucagon-like peptide 1 (GLP-1) is a gut hormone used in the treatment of type 2 diabetes mellitus. There is emerging evidence that GLP-1 has anti-inflammatory activity in humans, with murine studies suggesting an effect on macrophage polarisation. We hypothesised that GLP-1 analogue therapy in individuals with type 2 diabetes mellitus would affect the inflammatory macrophage molecule soluble CD163 (sCD163) and adipocytokine profile. Methods We studied ten obese type 2 diabetes mellitus patients starting GLP-1 analogue therapy at a hospital-based diabetes service. We investigated levels of sCD163, TNF-α, IL-1β, IL-6, adiponectin and leptin by ELISA, before and after 8 weeks of GLP-1 analogue therapy. Results GLP-1 analogue therapy reduced levels of the inflammatory macrophage activation molecule sCD163 (220 ng/ml vs 171 ng/ml, p <0.001). This occurred independent of changes in body weight, fructosamine and HbA1c. GLP-1 analogue therapy was associated with a decrease in levels of the inflammatory cytokines TNF-α (264 vs 149 pg/ml, p <0.05), IL-1β (2,919 vs 748 pg/ml, p <0.05) and IL-6 (1,379 vs 461 pg/ml p <0.05) and an increase in levels of the anti-inflammatory adipokine adiponectin (4,480 vs 6,290 pg/ml, p <0.002). Conclusions/interpretation In individuals with type 2 diabetes mellitus, GLP-1 analogue therapy reduces the frequency of inflammatory macrophages. This effect is not dependent on the glycaemic or body weight effects of GLP-1.

Item Type:	Article
Keywords:	GLP-1; Inflammation; Macrophage; Obesity;
Academic Unit:	Faculty of Science and Engineering > Biology
Item ID:	12428
Identification Number:	https://doi.org/10.1007/s00125-013-3145-0
Depositing User:	Andrew Hogan
Date Deposited:	17 Feb 2020 15:17
Journal or Publication Title:	Diabetologia
Publisher:	Springer Verlag
Refereed:	Yes
URI:	Publisher
Use Licence:	This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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