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  • Title: Serum myeloid-related protein 8/14 is a potential predictor of diabetic kidney disease.
    Author: Gu W, Cui J, Shi M, Zhang R, Tan D, Zhang X, Zhang H.
    Journal: Discov Med; 2020; 30(160):97-105. PubMed ID: 33382965.
    Abstract:
    BACKGROUND: Myeloid-related protein 8/14 (MRP8/14) is secreted by macrophages and formed by MRP8 and MRP14, which is closely related to vascular inflammation. Chronic vascular inflammation plays a significant role in the development and progression of diabetic kidney disease (DKD). This study aims to investigate the relationship between MRP8/14 and DKD. METHODS: A total of 80 individuals with type 2 diabetes were divided into four groups, according to the baseline urinary albumin/creatinine ratio (ACR) levels Serum concentrations of MRP8/14 were measured by ELISA. The clinical variables were obtained through physical examination, illness history, or laboratory evidence. RESULTS: As DKD worsened, the level of serum MRP8/14 increased gradually, and MRP8/14 has a significantly positive correlation with ACR (r = 0.349, P = 0.002), body mass index (BMI) (r = 0.288, P = 0.009), serum creatinine (Cre) (r = 0.392, P < 0.001), blood urine nitrogen (BUN) (r = 0.333, P = 0.003), systolic blood pressure (SBP) (r = 0.301, P = 0.007), and a negative correlation with the estimated glomerular filtration rate (eGFR) (r = -0.478, P < 0.001). Logistic regression analysis showed that age, Cre, eGFR, ACR, and MRP8/14 were associated with the progression of DKD (P < 0.05). CONCLUSIONS: The serum MRP8/14 is correlated significantly with the progression of DKD, suggesting that MRP8/14 may be an independent predictor of the progression of DKD.
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