Role of circulating karyocytes in the initiation and progression of atherosclerosis

Hypertension
Helena ChonBranko Braam

Abstract

Cardiovascular disease is still hard to predict in an individual. The main focus in cardiovascular research has been on endothelial cells and vascular smooth muscle cells of the vessel wall and their interactions with the blood flow. Alterations in the properties of the blood have received a lot of attention in biochemical terms. Interestingly, alterations in the properties of circulating cells have received less attention. We propose that presence of 1 or more risk factors together with normal physiological stimuli induce redox-dependent changes in leukocyte gene transcription with pathophysiological responses. Thus, risk factors render leukocytes hypersensitive to normal stimuli. Risk factors can be subdivided into physical and chemical factors. Superimposed on physiological regulators of leukocyte function, these risk factors promote a cellular pro-oxidative state. Redox-sensitive transcription factors are activated, leading to responses involving inflammation, adhesion, migration, and additional reactive oxygen species generation. As a consequence, monitoring of individual gene expression signatures of these cells could well increase our understanding of the mechanisms by which leukocytes and, in particular, monocytes funct...Continue Reading

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Citations

Jun 7, 2012·Menopause : the Journal of the North American Menopause Society·Jung-Ha KimHyoweon Bang
Jul 20, 2007·Clinical Chemistry and Laboratory Medicine : CCLM·Diego ArdigoBranko Braam
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