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  • Title: Elevated Expression of Vascular Adhesion Molecule-1, Plasminogen Activator Inhibitor-1, Cyclooxygenase-2, and Thrombomodulin in Human Umbilical Vein Endothelial Cells from Hospitalized Gestational Diabetes Mellitus Patients.
    Author: Takata Y, Nomura K, Ishibashi K, Kido K, Sasamori Y, Hiraike H, Ayabe T, Atsumi GI.
    Journal: Biol Pharm Bull; 2019; 42(5):807-813. PubMed ID: 31061324.
    Abstract:
    Protein expression in human umbilical vein endothelial cells (HUVECs) is a useful indicator of maternal condition and the intrauterine environment during pregnancy. Therefore, we investigated protein expression in HUVECs obtained from patients with gestational diabetes mellitus (GDM). HUVECs were prepared from the umbilical cords of GDM patients and controls who underwent planned cesarean section between 2013 and 2014 at Teikyo University Hospital (Tokyo, Japan). There were no differences in blood glucose levels between the GDM patients and controls at admission. However, pre-pregnancy body mass index (BMI) was higher in GDM patients, although the changes in gestational BMI were smaller during hospitalization. To evaluate the state of the endothelium, we examined the protein expression levels of vascular adhesion molecule-1 (VCAM-1), intercellular adhesion molecule-1, thrombomodulin (TM), endothelial nitric oxide synthase, plasminogen activator inhibitor-1 (PAI-1), cyclooxygenase-2 (COX-2), and VE-cadherin, which are altered by various factors in endothelial tissue. VCAM-1, PAI-1, and COX-2 expression was higher in HUVECs from patients with GDM than the controls. Because the pre-pregnancy BMI was higher in GDM patients, we examined the relationship between BMI and protein expression. However, the expression levels of these proteins were not correlated with pre-pregnancy BMI and were higher in HUVECs from BMI-matched GDM patients than from BMI-matched controls. Intriguingly, TM expression was also higher in HUVECs from BMI-matched GDM patients. Thus, expression of VCAM-1, PAI-1, COX-2, and TM may reflect certain factors in the intrauterine environment that are altered in hospitalized GDM patients with controlled body weight.
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