879 ABNORMAL CONCANAVALIN A CAPPING – ANOTHER DEFECT OF NEUTROPHILS FROM HUMAN INFANTS

Fc receptor expression, concanavalin A capping, and enzyme content of bovine neonatal neutrophils: a comparative study with adult cattle.

The increased susceptibility of newborns to infection may in part be related to impaired in vitro functions of neonatal polymorphonuclear neutrophils (PMNs). To evaluate early steps in the activation cycle of bovine PMNs we determined the expression of Fc receptors (FcRs) with an erythrocyte rosetting assay utilizing bovine anti-sheep immunoglobulin G2 IgG2 and the accumulation of ligand recept...

Effect of concanavalin A dose, unbound concanavalin A, temperature, Ca2+ and Mg2+, and vinblastine on capping of concanavalin A receptors of human peripheral blood lymphocytes.

The capping of Concanavalin A (Con A) receptors induced by Con A was studied using human peripheral blood lymphocytes. The effects of Con A dose (5--100 micrograms/ml), pretreatment at 4 degrees C, unbound Con A, extracellular Ca2+ and Mg2+ and vinblastine were evaluated using Con A-horseradish peroxidase and electron microscopy. Lymphocytes incubated with Con A at 4 degrees C and fixed with gl...

A study on the definitions of religion from another view

The effect of olive extract on human neutrophils

The neutrophil respiratory burst, which is essential for the host's ability to kill microorganisms, can be stimulated by some natural agents. Olea europaea (Oleaceae) is used as anti hypertensive, hyperglycemia, and hypercholestremia in traditional medicine. Here in this study, we evaluate the stimulatory effect of olive oil extract on oxidative burst in human neutrophils in vitro. Buffy coat w...

The effect of olive extract on human neutrophils

The neutrophil respiratory burst, which is essential for the host's ability to kill microorganisms, can be stimulated by some natural agents. Olea europaea (Oleaceae) is used as anti hypertensive, hyperglycemia, and hypercholestremia in traditional medicine. Here in this study, we evaluate the stimulatory effect of olive oil extract on oxidative burst in human neutrophils in vitro. Buffy coat w...