نتایج جستجو برای: bovine lymphocyte antigen
تعداد نتایج: 315388 فیلتر نتایج به سال:
When cattle infected with infectious bovine rhinotracheitis virus (IBRV) were treated 3 months later with a synthetic corticosteroid, consistent recrudescence of the infection was observed. Suppression of cell-mediated immunity, as measured by lymphocyte transformation responses, could be demonstrated at the time of recrudescence. Treatment with adrenocorticotropic hormone and trigeminal neurot...
Equisetum giganteum is a plant used in traditional medicine as diuretic. From our knowledge this is the first time this plant is tested in an in vivo model of acute inflammation. To evaluate the effect of aqueous extract of giant horsetail (AEGH) as immunomodulatory therapy, antigen-induced arthritis (AIA) was generated in mice with methylated bovine serum albumin (mBSA). Inflammation was evalu...
Lymphocyte phenotypes were determined in sheep experimentally infected with bovine leukemia virus (BLV). BLV infection was detected by serological tests AGID and ELISA. Flow cytometry analysis with the use of specific monoclonal antibodies for CD markers and conjugates labeled with FITC or PE was performed. Proliferating cell nuclear antigen (PCNA) was estimated in lymphocytes of infected and h...
Mannheimia (Pasteurella) haemolytica A1 produces several virulence factors that play an important role in the pathogenesis of bovine pneumonic pasteurellosis. Foremost among these is a leukotoxin (LKT) that specifically kills ruminant leukocytes. Recent evidence suggests that M. haemolytica LKT binding to bovine leukocytes is mediated by the beta(2)-integrin CD11a/CD18 (lymphocyte function-asso...
Bovine mastitis is an infectious disease with a major economic influence on the dairy industry worldwide. Many factors such as environment, pathogen, and host affect susceptibility or resistance of an individual cow to bovine mastitis. Recently, there has been considerable interest in defining genetic and immunological markers that could be used to select for improved disease resistance. In thi...
Relatively pure populations of human T and B lymphocytes were obtained from blood and tonsils using density gradient centrifugation in bovine serum albumin. Antigen alone was incapable of triggering the B lymphocyte into blast transformation or to secrete antibody. However, supernatants from tetanus toxoid-stimulated T cells obtained from immune donors contained a factor mitogenic for B lymphoc...
variety of positive as well as negative regulatory signals are provided by antigen presenting cell in particular by dendritic cells. in this research, we studied the capacity of dendritic cells to expand antigen-specific t regulatory cells.we also investigated the role of tgf-beta in induction inhibitory functions of dendritic cells in mixed leukocyte reactions. dendritic cells were generated f...
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