نتایج جستجو برای: cd64
تعداد نتایج: 573 فیلتر نتایج به سال:
Dendritic cells (DC) can trigger naive CD8 T cell responses by their capacity to cross-present exogenous antigens via the major histocompatibility complex class I pathway. The myeloid class I IgG receptor, FccRI (CD64), is expressed on DC, and in vivo targeting of antigens to FccRI induces strong humoral and cellular immune responses. We studied the capacity of human FccRI (hFccRI) to facilitat...
The present study investigated the possibility that macrophage colony-stimulating factor (M-CSF) responsiveness of hematopoietic progenitor cells is regulated at the level of receptor expression and that M-CSF receptor (M-CSFR) may be used as an early marker of monocyte lineage commitment. Immunofluorescence measurements with an antiM-CSFR antibody showed that 44% * 5% of CD34h' cells expressed...
BACKGROUND Psoriasis, especially when severe, is a risk factor for cardiometabolic disease beyond traditional risk factors. The mechanism of atherogenesis in psoriasis remains unknown. Cell membrane vesicles (ie, microparticles), released upon cell activation or apoptosis, have recently been associated with cardiometabolic disease and may play a pathogenic role. Microparticle levels, particular...
Dendritic cells (DC) can trigger naive CD8(+) T cell responses by their capacity to cross-present exogenous antigens via the major histocompatibility complex class I pathway. The myeloid class I IgG receptor, FcgammaRI (CD64), is expressed on DC, and in vivo targeting of antigens to FcgammaRI induces strong humoral and cellular immune responses. We studied the capacity of human FcgammaRI (hFcga...
Notch-mediated cellular interactions are known to regulate cell fate decisions in various developmental systems. A previous report indicated that monocytes express relatively high amounts of Notch-1 and Notch-2 and that the immobilized extracellular domain of the Notch ligand, Delta-1 (Delta(ext-myc)), induces apoptosis in peripheral blood monocytes cultured with macrophage colony-stimulating f...
Targeted therapies for the treatment of cancer, but also inflammation and autoimmune diseases will reduce major side effects accompanied with conventional treatment modalities. The immunotoxin concept uses bacterial or plant toxins, coupled to antibodies or natural ligands targeting cancer cells. Initially, immunotoxins suffered from drawbacks like nonspecific cytotoxicity. Even the third gener...
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...
Dendritic cells (DCs), monocytes, and macrophages are leukocytes with critical roles in immunity and tolerance. The DC network is evolutionarily conserved; the homologs of human tissue CD141(hi)XCR1⁺ CLEC9A⁺ DCs and CD1c⁺ DCs are murine CD103⁺ DCs and CD64⁻ CD11b⁺ DCs. In addition, human tissues also contain CD14⁺ cells, currently designated as DCs, with an as-yet unknown murine counterpart. He...
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