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首页> 外文期刊>World Journal of Gastroenterology >Expression of dendritic cell-specific intercellular adhesion molecule 3 grabbing nonintegrin on dendritic cells generated from human peripheral blood monocytes.
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Expression of dendritic cell-specific intercellular adhesion molecule 3 grabbing nonintegrin on dendritic cells generated from human peripheral blood monocytes.

机译:树突状细胞特异性细胞间粘附分子3捕获nonintegrin在人外周血单核细胞产生的树突状细胞上的表达。

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AIM: To generate dendritic cells (DCs) from human peripheral blood and to detect the expression of dendritic cell-specific intercellular adhesion molecule 3 grabbing nonintegrin (DC-SIGN; CD209) for the further study of DC-SIGN in hepatitis C virus (HCV) transmission. METHODS: Peripheral blood monocytes were isolated from blood of healthy individuals by Ficoll-Hypaque sedimentation and cultured in complete medium containing rhGM-CSF and rhIL-4. Cells were cultured for seven days, with cytokine addition every two days to obtain immature DCs. Characteristics of the cultured cells were observed under light and scanning microscope, and the expression of DC-SIGN was detected by immunofluorescence staining. RESULTS: After seven-day culture, a large number of cells with typical characteristics of DCs appeared. Their characteristics were observed under light and scanning electron microscope. These cells had a variety of cell shapes such as those of bipolar elongate cells, elaborate stellate cells and DCs. DC-SIGN was detected by immunofluorescence staining and its expression level on cultivated dendritic cells was high. CONCLUSION: DCs with a high expression of DC-SIGN can be generated from human peripheral blood monocytes in complete medium containing rhGM-CSF and rhIL-4.
机译:目的:从人外周血中产生树突状细胞(DC),并检测捕获非整联蛋白的树突状细胞特异性细胞间粘附分子3(DC-SIGN; CD209)的表达,以进一步研究DC-SIGN在丙型肝炎病毒(HCV)中的应用) 传播。方法:通过Ficoll-Hypaque沉淀法从健康人血液中分离外周血单核细胞,并在含有rhGM-CSF和rhIL-4的完全培养基中培养。培养细胞7天,每两天添加细胞因子以获得未成熟的DC。在光和扫描显微镜下观察培养的细胞的特征,并通过免疫荧光染色检测DC-SIGN的表达。结果:培养7天后,出现了大量具有典型DCs特征的细胞。在光和扫描电子显微镜下观察它们的特性。这些细胞具有多种细胞形状,例如双极细长细胞,复杂的星状细胞和DC。通过免疫荧光染色检测DC-SIGN,其在培养的树突状细胞中的表达水平很高。结论:在含有rhGM-CSF和rhIL-4的完全培养基中,人外周血单核细胞可产生高表达DC-SIGN的DC。

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