نتایج جستجو برای: human lymphocyte
تعداد نتایج: 1686574 فیلتر نتایج به سال:
The immunopotentiating drug, levamisole, was found to augment human lymphocyte responses to allogeneic cells and plant mitogens in vitro. The effect was critically dose dependent and, at high doses, suppression rather than augmentation of the immune response was observed. Our hypothesis that augmentation of immune responses by the drug is due to the selective impairment of immunoregulatory supp...
We have characterized the nonspecific lymphocyte stimulation by extracts of human cytomegalovirus-infected human embryonic fibroblasts. Cell extracts prepared at 5 h postinfection (early extract) and 72 h postinfection (late extract) were both highly mitogenic in lymphocyte preparations from adult blood, cord blood, and rabbit blood. Maximum stimulation of the lymphocytes was observed on day 3 ...
A 90-kD lymphocyte surface glycoprotein, defined by monoclonal antibodies of the Hermes series, is involved in lymphocyte recognition of high endothelial venules (HEV). Lymphocyte gp90Hermes binds in a saturable, reversible fashion to the mucosal vascular addressin (MAd), a tissue-specific endothelial cell adhesion molecule for lymphocytes. We and others have recently shown that the Hermes anti...
Haptoglobin is an acute phase protein showing a genetic polymorphism with 3 major types: Hp 1-1, Hp 2-1, and Hp 2-2. In this study, flow cytometric analysis demonstrated that all three haptoglobin types bind to CD22 on human B-lymphocytes with equal affinity. Comparison of reference values for lymphocyte subsets in peripheral blood and bone marrow showed significant differences between haptoglo...
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