نتایج جستجو برای: cd64 in neutrophils
تعداد نتایج: 16979651 فیلتر نتایج به سال:
Human embryonic stem cells (hESCs) proliferate infinitely and are pluripotent. Only a few reports, however, describe specific and efficient methods to induce hESCs to differentiate into mature blood cells. It is important to determine whether and how these cells, once generated, behave similarly with their in vivo-produced counterparts. We developed a method to induce hESCs to differentiate int...
Macrophages are known to play a key role during inflammation in rheumatoid arthritis (RA). Inflammatory macrophages have increased expression of CD64, the high-affinity receptor for IgG. Targeting this receptor through a CD64-directed immunotoxin, composed of an Ab against CD64 and Ricin A, results in effective killing of inflammatory macrophages. In this study, we show elevated levels of CD64 ...
INTRODUCTION Neutrophil CD64 has been proposed as an early marker of sepsis. This study aims to evaluate the diagnostic utility of neutrophil CD64 for identification of early-onset sepsis in preterm neonates. METHODS The prospective study was conducted in a neonatal intensive care unit between November 2010 and June 2011. Preterm neonates in whom infection was suspected when they were <12 hou...
It has been demonstrated that in monocyte/T cell co-cultures activated with recall antigens, cytotoxic T cells were generated which are able to reduce the number of antigen-presenting monocytes. In previous studies we could show that a minor subset of monocytes, the Fc gamma receptor I-negative (CD64-) monocytes, exhibits significantly higher antigen-presenting capacity than the main population...
CD64 was up-regulated in infection diseases, but there was no report about the change of CD64 in chronic hepatitis B virus (HBV) infection. The purpose of this study was to determine whether there was a dynamic change of CD 64 index and to judge the value to antiviral treatment. 96 CHB patients were enrolled and selected 33 healthy adults as control. We detected the level of CD64, found the lev...
PURPOSE Early identification of neonatal sepsis is a global issue because of limitations in diagnostic procedures. The objective of this study was to compare the diagnostic accuracy of neutrophil CD64 and C-reactive protein (CRP) as a single test for the early detection of neonatal sepsis. METHODS A prospective study enrolled newborns with documented sepsis (n=11), clinical sepsis (n=12) and ...
We performed a detailed kinetic study on the in vivo effect of a single subcutaneous dose of granulocyte colony-stimulating factor (G-CSF; 300 micrograms) in four healthy individuals on the expression and function of neutrophil Fc gamma receptors (Fc gamma R). G-CSF did not induce Fc gamma RI (CD64) on circulating neutrophils. However, neutrophils newly formed in response to G-CSF were Fc gamma...
INTRODUCTION The role of CD64 in late onset sepsis (LOS) in preterm infants has been described in several studies. Aim of this study was to investigate whether CD64 expression is increased in the days before clinical manifestation of LOS. METHODS Patients with birth weight below 1,500 g were eligible for study participation. During routine blood sampling CD64 index was determined between day ...
BACKGROUND Monocytes/macrophages have an important and versatile role in joint inflammation and destruction in rheumatoid arthritis (RA). OBJECTIVE To determine the efficiency of monocyte/macrophage elimination by a new drug conjugated antibody (CD64-calicheamicin (CD64-CaMi)) directed to the high affinity receptor for IgG (FcgammaRI). METHODS Mononuclear cells from peripheral blood and syn...
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