Journal
GENETIC TESTING AND MOLECULAR BIOMARKERS
Volume 20, Issue 6, Pages 322-327Publisher
MARY ANN LIEBERT, INC
DOI: 10.1089/gtmb.2015.0255
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Funding
- Hisun-Pfizer Pharmaceuticals investigator-initiated research [WS1927987]
- Natural Science Foundation of Zhejiang Province [LY13H280004]
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Aims: The aim of this study was to examine endothelial dysfunction and inflammation in hypertension and prediabetes by studying adhesion molecules and inflammatory factors. Methods and Results: This study included 133 outpatients. Participants were categorized into three groups based on the presence or absence of hypertension and prediabetes: control subjects without prediabetes and hypertension (N group, n = 39); patients with hypertension only (H group, n = 34); and patients with hypertension and prediabetes (HD group, n = 60). Hypertension was diagnosed according to JNC7 criteria. Prediabetes was defined according to 2010 American Diabetes Association criteria. Plasma was isolated from overnight fasting blood samples for enzyme-linked immunosorbent assay (ELISA) analysis of concentrations of intercellular adhesion molecule-1 (ICAM-1), tumor necrosis factor-alpha (TNF-alpha), P-selectin, and interleukin-6 (IL-6) as indicators of endothelial function and inflammation. We found that the H and HD groups showed significantly higher levels of all four biomarkers compared with the N group (all p < 0.01). The HD group also showed significantly higher levels of ICAM-1 (p = 0.042) and TNF-alpha (p < 0.01) compared with the H group; no significant differences in P-selectin (p = 0.59) and IL-6 (p = 0.70) levels were observed among these groups. Conclusions: Prediabetes and hypertension induce endothelial dysfunction and inflammation by elevating levels of soluble adhesion molecules and inflammatory cytokines. The comorbidity of these diseases may exacerbate inflammation and endothelial dysfunction by enhancing the expression of ICAM-1 and TNF-alpha.
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