Soluble tumor necrosis factor receptor 1 is associated with diminished estimated glomerular filtration rate in colombian patients with type 2 diabetes
Abstract
AIMS: The tumor necrosis factor α (TNF-α) family of inflammatory molecules plays a crucial role in the pathogenesis of type 2 diabetes mellitus (DM2) complications. TNF-α soluble receptors 1 (sTNFR1) and 2 (sTNFR2) have been associated with chronic kidney disease in DM2 patients. This cross-sectional study intended to determine serum concentrations of sTNFR1 and sTNFR2 in Colombian patients and correlated them with various clinical variables, especially kidney function.
METHODS: 92 Colombian patients with DM2 were recruited. Anthropometric variables, glycemic control parameters, lipid profile and renal function were assessed for each patient. Levels of sTNFR1 and sTNFR2 were determined using ELISA. Patients were stratified in two groups according to reduced estimated glomerular filtration rate (eGFR) (<60ml/min/1.73m(2)) and normal eGFR (≥60ml/min/1.73m(2)).
RESULTS: Significantly elevated levels of sTNFR1 and sTNFR2 were observed in the diminished versus normal eGFR group. Also, significant differences were noticed between both groups in haemoglobin A1c (HbA1c) values, percentage of hypertensive subjects treated with angiotensin receptor blocker (ARB) and subjects treated with metformin. No differences were observed regarding body mass index (BMI), albuminuria and lipid profile. Multivariable linear regression analysis revealed that sTNFR1 alone showed a significant association with low eGFR (p=0.009). However, after adjusting for age, the association weakens. Moreover,…
How strong is the evidence?
Evidence Hub reads this as a cross-sectional, done in people. Its evidence level is 4 of 5 (Low · observational). Observational designs can show an association but not prove cause. Reported size: 92 participants or records.
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