نتایج جستجو برای: selectin
تعداد نتایج: 7704 فیلتر نتایج به سال:
The selectin family of adhesion molecules mediates attachment and rolling of neutrophils to stimulated endothelial cells. This step of the inflammatory response is a prerequisite to firm attachment and extravasation. We have reported that microspheres coated with sialyl Lewis(x) (sLe(x)) interact specifically and roll over E-selectin and P-selectin substrates (Brunk et al., 1996; Rodgers et al ...
E- and P-selectin are inducible cell adhesion molecules on endothelial cells, which function as Ca(2+)-dependent lectins and mediate the binding of neutrophils and monocytes. We have recently identified a 150-kD glycoprotein ligand for E-selectin on mouse myeloid cells, using a recombinant antibody-like form of mouse E-selectin. Here, we report that this ligand does not bind to an analogous P-s...
P-selectin glycoprotein ligand-1 (PSGL-1) and E-selectin ligand-1 (ESL-1) are the two major selectin ligands on mouse neutrophils. Transfection experiments demonstrate that each ligand requires alpha1,3-fucosylation for selectin-binding. However, the relative contributions made by the two known myeloid alpha1, 3-fucosyltransferases Fuc-TVII or Fuc-TIV to this alpha1, 3-fucosylation are not yet ...
P-selectin (CD62P) is a Ca2+-dependent endogenous lectin that can be expressed by vascular endothelium and platelets. The major ligand for P-selectin on leukocytes is P-selectin glycoprotein ligand-1 (PSGL-1). P-selectin can also bind to carcinoma cells, but the nature of the ligand(s) on these cells is unknown. Here we investigated the P-selectin binding to a breast and a small cell lung carci...
چکید ه سابقه و هدف کیفیت فرآورده پلاکت کنسانتره، تحت تاثیر روش تهیه و شرایط ذخیره آن می باشد. حذف پلاسما از محیط ذخیره پلاکتی می تواند یک روش مؤثر در افزایش سلامت و یا افزایش بقای آن در طول زمان ذخیره پلاکت به شمار آید. در این راستا، مقایسه دو محیط پلاسما و کمپوسول جهت نگهداری پلاکت کنسانتره مورد مطالعه و ارزیابی قرار گرفت. مواد و روش ها در یک مطالعه تجربی، کیسه کنسانتره پلاکتی از پایگا...
Neutrophils roll on E-selectin in inflamed venules through interactions with cell-surface glycoconjugates. The identification of physiologic E-selectin ligands on neutrophils has been elusive. Current evidence suggests that P-selectin glycoprotein ligand-1 (PSGL-1), E-selectin ligand-1 (ESL-1), and CD44 encompass all glycoprotein ligands for E-selectin; that ESL-1 and CD44 use N-glycans to bind...
von Willebrand factor (VWF) released from endothelium is ultralarge (UL) and hyperreactive. If released directly into plasma, it can spontaneously aggregate platelets, resulting in systemic thrombosis. This disastrous consequence is prevented by the ADAMTS13 (ADisintegrin and Metalloprotease with ThromboSpondin motif) cleavage of ULVWF into smaller, less active forms. We previously showed that ...
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