نتایج جستجو برای: monocyte
تعداد نتایج: 24504 فیلتر نتایج به سال:
OBJECTIVE Monocyte adhesion to endothelial cells and subsequent secretion of matrix metalloproteinases (MMPs) by activated macrophages are key events in arteriosclerosis and restenosis. We tested the hypothesis that interleukin-10 (IL-10), a potent anti-inflammatory cytokine, inhibits monocyte-endothelial cell interactions. METHODS The effect of IL-10 on monocyte/endothelial cell adhesion, as...
Human colony-stimulating factors (CSF) exert multiple effects on the proliferation, differentiation, and function of myeloid lineage cells. In this study, the effects of three recombinant human CSFs (granulocyte-monocyte CSF [GM-CSF], interleukin 3 [IL-3], and granulocyte CSF [G-CSF]) on antibody-independent monocyte tumoricidal activity were investigated by using WEHI 164 fibrosarcoma cells as...
Accumulating evidence indicates a role for advanced glycation end-products (AGEs) in the development of diabetic retinopathy. In the present study, we examined the in vitro effect of AGEs on human monocyte adhesion to bovine retinal endothelial cells (BRECs) and the molecular mechanisms involved in this effect. Treatment of cultured BRECs with AGEs led to a significant increase in monocyte adhe...
Mononuclear cell fibroblast interactions in the normal human lung are poorly understood. Mononuclear cells can regulate fibroblast function and blood monocytes are known to migrate to the lung and participate in pulmonary inflammation. Thus, to clarify mononuclear cell-fibroblast interactions in the normal lung, we obtained supernatants from adherent monocytes and characterized their effect on ...
Epidemiological studies have shown that arsenic exposure increases atherosclerosis, but the mechanisms underlying this relationship are unknown. Monocytes, macrophages and platelets play an important role in the initiation of atherosclerosis. Circulating monocytes and macrophages bind to the activated vascular endothelium and migrate into the sub-endothelium, where they become lipid-laden foam ...
Monocytes regulate host defenses, inflammation, and tissue homeostasis. The transcription factor interferon regulatory factor-8 (IRF8) stimulates monocyte/macrophage differentiation, yet genome-wide understanding of the differentiation program initiated by IRF8 is lacking. By combining chromatin immunoprecipitation sequencing with gene expression profiling, we show that during IRF8-dependent mo...
BACKGROUND Increased numbers of apoptotic neutrophils, and impaired monocyte/macrophage clearance of apoptotic cells, have been demonstrated in systemic lupus erythematosus (SLE). CD44 is implicated in the clearance of apoptotic neutrophils. OBJECTIVE To determine the expression of CD44 on peripheral blood monocytes and neutrophils in SLE, and examine the relations with disease activity and n...
BACKGROUND Increased lung macrophage numbers in COPD may arise from upregulation of blood monocyte recruitment into the lungs. CCR5 is a monocyte chemokine receptor regulated by interleukin-6 (IL-6); the concentration of CCR5 ligands are known to be elevated in COPD lungs. The objective of this study was to investigate mechanisms of monocyte recruitment to the lung in COPD, including the role o...
We investigated the interaction of monocyte/macrophages and autologous T lymphocytes in the methanol extraction residue (MER) of BCG-induced production of granulocyte-macrophage colony-stimulating activity (CSA). Coincubation of monocyte/macrophages and T lymphocytes at a 1 :3 ratio produces an optimum collaboration; a change to a 1 :9 ratio diminished this collaboration. Coincubation of monocy...
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