نتایج جستجو برای: leukocyte
تعداد نتایج: 33409 فیلتر نتایج به سال:
background: the aim of this study was to investigate the effect of hemiscorpius lepturus venom on leukocytes and the leukocyte subgroups in peripheral blood of rat. methods: in this experimental study, sixty n-mari rats were divided into three groups of 20 rats. then the rats in each group were divided into four subgroups based on the blood sampling time that was 2, 6, 24 and 48 hours after the...
OBJECTIVE It has been reported that leukocyte ROCK activity is elevated in patients after ischemic stroke, but it is unclear whether leukocyte ROCK activity is associated with clinical outcomes following acute stroke events. The objective of this study is to investigate if leukocyte ROCK activity can predict the outcomes in patients with acute ischemic stroke. MATERIALS AND METHODS We enrolle...
Stromal cell-derived factor-1 (SDF-1; CXCL12), a CXC chemokine, has been found to be involved in inflammation models in vivo and in cell adhesion, migration, and chemotaxis in vitro. This study aimed to determine whether exogenous SDF-1 induces leukocyte recruitment in mice. After systemic administration of SDF-1alpha, expression of the adhesion molecules P-selectin and VCAM-1 in mice was measu...
Leukocyte-endothelial cell interactions are mediated by various cell adhesion molecules. These interactions are important for leukocyte extravasation and trafficking in all domestic animal species. An initial slowing of leukocytes on the vascular endothelium is mediated by selectins. This event is followed by (1) activation of beta2 integrins after leukocyte exposure to cytokines and pro-inflam...
Leukocyte migration across the endothelial lining is a critical step in the body's response to infection and inflammation. The homophilic interaction between endothelial PECAM and leukocyte PECAM is essential for this process. The molecular events that are triggered in the endothelial cell by PECAM engagement have been well characterized; however, the function of leukocyte PECAM remains to be e...
Activated leukocytes and fat particles are associated with organ injury after a cardiac surgery. Filters are currently used to remove either leukocytes or fat particles. A novel approach with a filter that combines leukocyte and fat removal might be clinically useful. As it is not known which type of filter has a good and safe performance in both leukocyte and fat removal, we measured in this s...
Leukocyte ingress into the synovium is a key process in the pathogenesis of rheumatoid arthritis and other inflammatory conditions. In this review, the role of endothelial cells in leukocyte extravasation will be discussed, including the role of the most relevant cellular adhesion molecules. These molecules play an important role in mediating leukocyte--endothelial interactions. It is likely th...
To investigate the direct effect of leukocyte adherence to microvessel walls on microvessel permeability, we developed a method to measure changes in hydraulic conductivity (L(p)) before and after leukocyte adhesion in individually perfused venular microvessels in frog mesentery. In 19 microvessels that were initially free of leukocyte sticking or rolling along the vessel wall, control L(p) was...
Human telomere length, as expressed in leukocytes, is strongly fashioned by heritability. A number of genes that explain some of the inter-individual variation in leukocyte telomere length have already been identified. Leukocyte telomere length is longer in women than in men and in African Americans than in whites of european descent. in addition, offspring of older fathers display a longer leu...
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