نتایج جستجو برای: CD11c
تعداد نتایج: 2380 فیلتر نتایج به سال:
Hairy cell leukemia (HCL) is a chronic lymphoproliferative disease, the cause of which is unknown. Diagnostic of HCL is abnormal expression of the gene that encodes the beta2 integrin CD11c. In order to determine the cause of CD11c gene expression in HCL the CD11c gene promoter was characterized. Transfection of the CD11c promoter linked to a luciferase reporter gene indicated that it is suffic...
Previous studies have shown that induction of immune tolerance by mesenchymal stem cells (MSCs) is partially mediated via monocytes or dendritic cells (DCs). The purpose of this study was to determine the role of CD11c⁺ cells in MSC-induced effects on ischemia/reperfusion injury (IRI). IRI was induced in wildtype (WT) mice and CD11c⁺-depleted mice following pretreatment with or without MSCs. In...
OBJECTIVE Insulin resistance and other features of the metabolic syndrome have been causally linked to adipose tissue macrophages (ATMs) in mice with diet-induced obesity. We aimed to characterize macrophage phenotype and function in human subcutaneous and omental adipose tissue in relation to insulin resistance in obesity. RESEARCH DESIGN AND METHODS Adipose tissue was obtained from lean and...
CD11c, a member of the leukointegrin family, is expressed prominently on tissue macrophages and dendritic cells and binds to complement fragment (iC3b), provisional matrix molecules (fibrinogen), and the Ig superfamily cell adhesion molecule, ICAM-1. CD11c has been proposed to function in phagocytosis, cell migration, and cytokine production by monocytes/macrophages as well as induction of T ce...
Previous studies have indicated that chronic lymphocytic leukemias (CLL) are characterized by the coexpression of CD5 and B-cell antigens, while hairy cell leukemias (HCL) typically express CD11c+CD5- B-cell immunophenotypes. In this report we describe the features of B-cell leukemias with CD11c+CD5+ immunophenotypes and the identification of novel circulating B-cell subsets defined by the expr...
Surfactant protein D regulates the cell surface expression of alveolar macrophage beta(2)-integrins.
The beta(2)-integrin receptors (CD11a/CD18, CD11b/CD18, and CD11c/CD18) are expressed on the surface of alveolar macrophages and are important for the phagocytic clearance of pathogens. In the present study, we demonstrate that surfactant protein D (SP-D) modulates surface expression of CD11b and CD11c, but not CD11a or CD18, on alveolar macrophages. While cell surface receptors were reduced, C...
Cyclosporin A (CsA) is a potent immuno-suppressant and is approved for the treatment of various disease conditions. The molecular biological mechanism of CsA has been investigated intensively in T cells and has been shown to involve the intracellular calcineurin pathway. Recently, it was reported that CsA has capacities to affect not only T cells but also antigen-presenting cells such as B cell...
BACKGROUND Recent studies provided evidence of the potential role of CD11c(+) F4/80(+) dendritic subset in mediating injury and repair. The purpose of this study was to examine the role of kidney CD11c(+) F4/80(+) dendritic subset in the recovery phase of ischaemia/reperfusion injury (IRI). METHODS Following ischaemia/reperfusion (I/R), liposome clodronate or phosphate buffered saline (PBS) w...
BACKGROUND Monocyte activation and migration into the arterial wall are key events in atherogenesis associated with hypercholesterolemia. CD11c/CD18, a beta2 integrin expressed on human monocytes and a subset of mouse monocytes, has been shown to play a distinct role in human monocyte adhesion on endothelial cells, but the regulation of CD11c in hypercholesterolemia and its role in atherogenesi...
OBJECTIVE To identify, localize, and determine M1/M2 polarization of epidydimal adipose tissue (eAT) macrophages (Phis) during high-fat diet (HFD)-induced obesity. RESEARCH DESIGN AND METHODS Male C57BL/6 mice were fed an HFD (60% fat kcal) or low-fat diet (LFD) (10% fat kcal) for 8 or 12 weeks. eATMPhis (F4/80(+) cells) were characterized by in vivo fluorescent labeling, immunohistochemistry...
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