منابع مشابه
Extracellular histones inhibit efferocytosis.
The uptake and clearance of apoptotic cells by macrophages and other phagocytic cells, a process called efferocytosis, is a major component in the resolution of inflammation. Increased concentrations of extracellular histones are found during acute inflammatory states and appear to contribute to organ system dysfunction and mortality. In these studies, we examined the potential role of histones...
متن کاملExtracellular DNA and histones as thrombus stabiliser.
Recent work suggests that extracellular (cell-free) nucleic acids, both DNA and RNA species, as well as extracellular nucleosomes can activate blood coagulation and promote thrombosis in vitro and in vivo (1, 2). Indeed, they substantially contribute to the development of microvascular thrombosis which can act as an intravascular immune response to circulating bacteria and has been termed immun...
متن کاملExtracellular Histones Enhance LPS-induced Cytokine Production
Over the last twenty years, the debilitating clinical condition known as sepsis has tripled in frequency to become the tenth leading cause of death in the United States. Extracellular histones were previously reported to mediate cell damage and organ dysfunction during hyperinflammatory response, a characteristic feature of sepsis. Lipopolysaccharide (LPS) is an endotoxin found in Gramnegative ...
متن کاملExtracellular histones, cell-free DNA, or nucleosomes: differences in immunostimulation
In inflammation, extensive cell death may occur, which results in the release of chromatin components into the extracellular environment. Individually, the purified chromatin components double stranded (ds)DNA and histones have been demonstrated, both in vitro and in vivo, to display various immunostimulatory effects, for example, histones induce cytotoxicity and proinflammatory signaling throu...
متن کاملLung inflammation and damage induced by extracellular histones.
Despite decades of research, acute respiratory distress syndrome (ARDS) remains an important clinical challenge due to an incomplete understanding of the pathophysiological mechanisms. No FDA-approved drug therapy currently exists for treatment of humans with ARDS. There is accumulating evidence in rodents and humans suggesting that extracellular histones are strong drivers of inflammation and ...
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ژورنال
عنوان ژورنال: Blood
سال: 2011
ISSN: 0006-4971,1528-0020
DOI: 10.1182/blood-2011-07-364380