Prokopia Tatsidou

Goethe-Universität Frankfurt am Main, Frankfurt, Hesse, Germany

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Publications (2)5.93 Total impact

  • Kateryna Sopova · Prokopia Tatsidou · Konstantinos Stellos
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    ABSTRACT: Platelet adhesion on vascular wall is the first step following vascular injury. Differential platelet secretion supports angiogenesis and vascular homeostasis. Progenitor cells are pluripotent cells responsible for tissue regeneration and wound healing. Upon ischemia bone marrow-derived progenitor cells are mobilized into peripheral circulation and domiciliate into peripheral organ vasculature and either give birth to a series of cardiovascular cells, including endothelial cells, macrophages, smooth muscle cells, or support in a paracrinic way the angiogenic capacity of local tissue cells. Mobilization, chemotaxis, adhesion, differentiation and interaction with vascular cells are essential steps of progenitor cell-mediated tissue repair. This review summarizes the recent advances in our understanding of platelet function with focus on interaction with progenitor cells and its role in cardiovascular homeostasis. Moreover, the role of platelet microparticles in progenitor cell function is separately addressed. Understanding the mechanisms of platelet interaction with progenitor cells provides us with new insights in the mechanisms of vascular homeostasis and possible new therapeutical targets supporting vascular repair.
    No preview · Article · Feb 2012 · Current Vascular Pharmacology
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    ABSTRACT: Cardiovascular risk factors are associated with coronary artery disease (CAD) and with cognitive dysfunction. However, the precise pathogenic mechanisms responsible for this association remain elusive. In the present study, CAD patients with cognitive impairment showed significantly higher platelet activation compared with CAD patients without cognitive impairment. In addition, we identified platelet activity to be a significant independent predictor for the severity of cognitive impairment in these patients. We discuss the link between platelet hyperactivity and dementia (including Alzheimer`s disease) based on the literature and our findings. We also discuss the potential mechanisms involved. This link may become a therapeutic option.
    No preview · Article · Jan 2012 · Current Vascular Pharmacology