نتایج جستجو برای: cd64 in neutrophils
تعداد نتایج: 16979651 فیلتر نتایج به سال:
BACKGROUND There are a million ragpickers in India who gather and trade recyclable municipal solid wastes materials for a living. The objective of this study was to examine whether their occupation adversely affects their immunity. METHODS Seventy-four women ragpickers (median age, 30 years) and 65 age-matched control housemaids were enrolled. Flow cytometry was used to measure leukocyte subs...
Three different classes of Fc receptors for IgG (Fc gamma R) are currently distinguished in humans, of which polymorphonuclear phagocytes (PMN) normally express both low-affinity receptor classes--Fc gamma RII (CD32) and Fc gamma RIII (CD16). During therapy with granulocyte colony-stimulating factor (G-CSF), neutrophils from patients with various malignancies and different hematologic disorders...
Acute myeloid leukemia (AML) cells of subtypes M4 and M5 show enhanced expression of CD64 (FcgammaRI), the high-affinity receptor for IgG, which is normally expressed at high levels only on activated cells of the myeloid lineage. CD64 is therefore a prime target for the specific delivery of cytotoxic agents. A promising toxin candidate is granzyme B, a human serine protease originating from cyt...
CD64, the high affinity receptor for IgG (FcgammaRI) is expressed on acute myeloid leukemia blast cells and has recently been described as a specific target for immunotherapy. To generate a recombinant immunotoxin, the anti-CD64 single chain fragment (scFv) m22 was cloned into the bacterial expression vector pBM1.1 and fused to a deletion mutant of Pseudomonas exotoxin A (ETA'). Genetically mod...
A subset of phagocytes including inflammatory monocytes in blood migrate and give rise to macrophages in inflammatory tissues which generated the idea that blood monocytes are the therapeutic targets for drug delivery. Fc gamma receptor I (CD64) is a membrane receptor for the Fc region of immunoglobulin G, primarily expressed on monocyte-lineage, and H22 a monoclonal antibody for human CD64 had...
Fc gamma receptor I (FcγRI, CD64) is a well-known target antigen for passive immunotherapy against acute myeloid leukemia and chronic myelomonocytic leukemia. We recently reported the preclinical immunotherapeutic potential of microtubule associated protein tau (MAP) against a variety of cancer types including breast carcinoma and Hodgkin's lymphoma. Here we demonstrate that the CD64-directed h...
A search for new targeted therapeutic strategies based on examining immunopathogenetic mechanisms emerging co-infections is relevant and may further contribute not only to optimizing choice of immunotropic drugs, but also achieving positive clinical immunological remission abnormal infectious processes. Previously, our studies found that recurrent viral-bacterial respiratory infections are asso...
CONTEXT Flow cytometric immunophenotyping is a useful ancillary tool in the diagnosis and subclassification of acute myeloid leukemias (AMLs). A recent study concluded that CD64 is sensitive and specific for distinguishing AMLs with a monocytic component (ie, AML M4 and AML M5) from other AML subtypes. However, in that study, the intensity of CD64 was not well defined and the number of non-M4/n...
The origin of wound repair macrophages is incompletely defined and was examined here in sterile wounds using the subcutaneous polyvinyl alcohol sponge implantation model in mice. Phenotypic analysis identified F4/80(+)Ly6C(hi)CD64(+)MerTK(-) monocytes and F4/80(+)Ly6C(low)CD64(+)MerTK(+) macrophages in the wound. Circulating monocytes were the precursors of inflammatory Ly6C(hi) wound monocytes...
BACKGROUND Neutrophil CD64 has been reported to be a sensitive and specific infection marker. Its measurement is thus considered to be useful in early diagnosis of post-operative periprosthetic infection. However, even its normal sequential changes after non-infectious total joint arthroplasty have remained ambiguous. Accordingly, we analyzed 2-week sequential neutrophil CD64 expression changes...
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