Journal
MEDIATORS OF INFLAMMATION
Volume 2009, Issue -, Pages -Publisher
HINDAWI LTD
DOI: 10.1155/2009/146872
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Funding
- Ministry of High Education, Science and Technology of the Republic of Slovenia [P3 0314]
- Marie Curie International Reintegration [MC-IRG 28414]
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The effects of anti-inflammatory plant extracts, such as black tea extract (BTE) and resveratrol (RSV) could modulate cell activation leading to atherosclerosis, however there is little comparative information about how different endothelial cell types are affected by these compounds. In order to compare human endothelial cells derived from different origins (umbilical vein or HUVEC, coronary artery or HCAEC, microvascular or HMVEC) and their interleukin-1 beta (IL-1 beta) responsiveness, IL-6 ELISA, RT-PCR, tissue factor assay, and prostacyclin responses using 6-keto PGF(1 alpha) ELISA were determined. The IL-1 beta-induced IL-6 levels were dose-dependent with highest responses seen in HCAEC. Significant inhibition of IL-1 beta responses was achieved with BTE and RSV, with the largest decrease of IL-6 and TF seen in HCAEC. Prostacyclin levels were highest in HUVEC and were inhibited by RSV in all cell types. The differences between the endothelial cell types could account for greater susceptibility of coronary arteries to inflammation and atherogenesis. Copyright (C) 2009 Katja Lakota et al.
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