27 June 2018 : Laboratory Research
Effects of Tumor Necrosis Factor α (TNF-α) and Interleukina 10 (IL-10) on Intercellular Cell Adhesion Molecule-1 (ICAM-1) and Cluster of Differentiation 31 (CD31) in Human Coronary Artery Endothelial Cells
Mingming Xue1AEG*, Chaolumen Qiqige2BE, Qi Zhang1BCDEF, Haixia Zhao1D, Liping Su1F, Peng Sun3C, Pengwei Zhao3FDOI: 10.12659/MSM.906838
Med Sci Monit 2018; 24: LBR4433-4439
Abstract
BACKGROUND: The aim of this study was to investigate the effects of TNF-α and IL-10 on the expression of ICAM-1 and CD31 in human coronary artery endothelial cells (HCAEC).
MATERIAL AND METHODS: HCAEC was treated with 0, 2.5 μg/l, 5 μg/l, and 10 μg/l of TNF-α for 2 h, 6 h, and 10 h, and with 0 μg/l, 10 μg/l, 100 μg/l, and 200 μg/l of IL-10 for 5 h, 10 h and 15 h, respectively. RNA inference of TNF-αR was performed with siRNA. Real-time PCR, Western blot analysis, and ELSA were used to detect the mRNA level and protein level of ICAM-1 and CD31.
RESULTS: TNF-α significantly increased the mRNA and protein expression of ICAM-1 (P<0.05), and 2.5 μg/l TNF-α had the most obvious effect. RNAi of TNF-aR reduced the induction of TNF-α on the mRNA and protein expression of ICAM-1 (P<0.05). TNF-α significantly decreased the CD31 in the supernatant (P<0.05), and 2.5 μg/l TNF-a had the most obvious effect. IL-10 significantly decreased the ICAM-1 protein level. IL-10 decreased the mRNA expression and the protein expression of CD31. The effect on mRNA was not significant (P>0.05), while the effect on the protein expression was significant (P<0.05).
CONCLUSIONS: TNF-α and IL-10 treatment can affect the expression of ICAM-1 and CD31 in HCAEC.
Keywords: Antigens, CD31, atherosclerosis, Receptors, Interleukin-10
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