Research Article: The levels of vascular endothelial cells and endothelium-dependent vasomotor cytokines in children with essential hypertension: a case-control study
Abstract:
Circulating endothelial cells (CECs), endothelial progenitor cells (EPCs) and endothelium-dependent vasomotor cytokines are important in maintaining endothelial function stability. However, these alterations have not been documented in childhood essential hypertension. This study aim to investigate the levels of CECs, EPCs and endothelium-dependent vasomotor cytokines in children with essential hypertension.
A total of 101 children with essential hypertension and 30 healthy children were recruited as hypertension (HTN) group and control group, respectively. Peripheral CEC and EPC counts, nitrite (NO 2 ? ), endothelin-1 (ET-1), thromboxane B2 (TXB 2 ) and 6-keto-prostaglandin F1a (6-keto-PGF1a) were detected and compared between the two groups. Correlations between 24?h mean arterial pressure and endothelium-dependent vasomotor cytokines was analyzed.
The level of CECs in the HTN group was significantly higher than that in the control group ( p <?0.01), while the EPCs were significantly lower ( p <?0.01). The concentrations of NO 2 ? ( p <?0.01) and 6-keto-PGF1a ( p <?0.0001) in the HTN group were significantly lower than those in the control group, while the levels of ET-1 ( p <?0.0001) and TXB 2 ( p <?0.001) were significantly higher. The levels of NO 2 ? and 6-keto-PGF1a demonstrated a negative correlation with 24-hour mean arterial pressure ( r =??0.31, p <?0.01; r =??0.44, p <?0.001), whereas TXB 2 and ET-1 levels exhibited a positive correlation ( r =?0.24, p <?0.05; r =?0.31, p <?0.01).
CECs, EPCs and endothelium-dependent vasomotor cytokines were altered in pediatric essential hypertension, suggesting that endothelial dysfunction may play a role in its pathogenesis.
Introduction:
Circulating endothelial cells (CECs), endothelial progenitor cells (EPCs) and endothelium-dependent vasomotor cytokines are important in maintaining endothelial function stability. However, these alterations have not been documented in childhood essential hypertension. This study aim to investigate the levels of CECs, EPCs and endothelium-dependent vasomotor cytokines in children with essential hypertension.
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