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Endotrophin as a Marker of Complications in a Type 2 Diabetes Cohort
Ninna Hahn Tougaard1, Alexandra Louise Møller2,3, Pernille Falberg Rønn1
1Steno Diabetes Center Copenhagen, Herlev, Denmark.
Objective:
We investigated endotrophin, a profibrotic signaling molecule reflecting collagen VI formation, in serum and urine as risk marker for complications to type 2 diabetes.
Research Design And Methods:
Endotrophin was measured in 774 individuals with type 2 diabetes. Outcomes included a composite kidney end point, first major adverse cardiovascular event (MACE), mortality, progression of albuminuria, incident heart failure, and sight-threatening eye disease. Adjusted Cox proportional hazards models were applied.
Results:
Doubling of serum endotrophin was associated with the kidney end point (n = 49; hazard ratio 1.80 [95% CI 1.13-2.87]), first MACE (n = 66; 1.54 [1.04-2.28]), mortality (n = 156; 1.69 (1.31-2.19]), and incident heart failure (n = 42; 1.63 [1.02-2.60]). A doubling of urine endotrophin was associated with progression of albuminuria (n = 85; 1.20 [1.04-1.39]).
Conclusions:
Serum endotrophin was a risk marker for mortality and kidney and cardiovascular complications in type 2 diabetes. Urine endotrophin was a marker for albuminuria progression.
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