Journal
BIOMEDICINES
Volume 11, Issue 7, Pages -Publisher
MDPI
DOI: 10.3390/biomedicines11071791
Keywords
hyperglycemia; diabetic retinopathy; immunopathology; inflammation markers; neutrophil; NETs
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Diabetic retinopathy (DR) is a complication of diabetes that can lead to vision loss. This study investigated the role of neutrophil traps (NETs) in the progression of DR in patients with type 2 diabetes (T2DM). The results showed correlations between NETs and clinical indicators such as fasting glucose, glycated hemoglobin (HbA1c), and estimated glomerular filtration rate (eGFR). These findings suggest that inflammation mediated by NETs may contribute to the development of DR in T2DM patients.
Diabetic retinopathy (DR) is the major microvascular complication of diabetes and causes vitreous traction and intraretinal hemorrhages leading to retinal detachment and total blindness. The evolution of diabetes is related to exacerbating inflammation caused by hyperglycemia and activation of inflammatory cells. Neutrophils are cells able to release structures of extracellular DNA and proteolytic enzymes called extracellular traps (NETs), which are associated with the persistence of inflammation in chronic pathologies. The purpose of the study was to determine the usefulness of neutrophil traps as indicators of DR progression in patients with type 2 diabetes (T2DM). We performed a case-control study of seventy-four cases classified into five groups (non-proliferative DR, mild, moderate, severe, and proliferative) and fifteen healthy controls. We found correlations between NETs and a diagnostic time of T2DM (r = 0.42; p < 0.0001), fasting glucose (r = 0.29; p < 0.01), glycated hemoglobin (HbA1c) (r = 0.31; p < 0.01), estimated glomerular filtration rate (eGFR) (r = -0.29; p < 0.01), and plasma osmolarity (r = 0.25; p < 0.01). These results suggest that due to NETs being associated with clinical indicators, such as HbA1c and eGFR, and that NETs are also associated with DR, clinical indicators might be explained in part through an NET-mediated inflammation process.
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