Ficolin B in Diabetic Kidney Disease in a Mouse Model of Type 1 Diabetes

Mediators of Inflammation
Charlotte Berg HoltTroels Krarup Hansen

Abstract

The innate immune system may have adverse effects in diabetes and cardiovascular disease. The complement system seems to play a key role through erroneous complement activation via hyperglycaemia-induced neoepitopes. Recently mannan-binding lectin (MBL) was shown to worsen diabetic kidney changes. We hypothesize that mouse ficolin B exerts detrimental effects in the diabetic kidney as seen for MBL. We induced diabetes with streptozotocin in female wild-type mice and ficolin B knockout mice and included two similar nondiabetic groups. Renal hypertrophy and excretion of urinary albumin and creatinine were quantified to assess diabetic kidney damage. In the wild-type groups, the kidney weighed 24% more in the diabetic mice compared to the controls. The diabetes-induced increase in kidney weight was 29% in the ficolin B knockout mice, that is, equal to wild-type animals (two-way ANOVA, P = 0.60). In the wild-type mice the albumin-to-creatinine ratio (ACR) was 32.5 mg/g higher in the diabetic mice compared to the controls. The difference was 62.5 mg/g in the ficolin B knockout mice, but this was not significantly different from the wild-type animals (two-way ANOVA, P = 0.21). In conclusion, the diabetes-induced effects on kidney wei...Continue Reading

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Citations

Mar 7, 2017·Nature Reviews. Nephrology·Allan Flyvbjerg
Aug 11, 2019·Molecular Immunology·Ramzi A Ajjan, Verena Schroeder

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