【摘 要】
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Aim: To investigate the effects of CpG-oligodeoxynucleotide (CpG-ODN) on the formation of macrophage foam cells and related gene expression. Methods: A gene exp
【机 构】
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Department of Medical Genetics, College of Basic Medical Sciences, the Second Military Medical Unive
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Aim: To investigate the effects of CpG-oligodeoxynucleotide (CpG-ODN) on the formation of macrophage foam cells and related gene expression. Methods: A gene expression profile was examined by microarray techniques, and mRNA expression was detected by reverse transcriptase polymerase chain reaction (RTPCR). The cholesterol and cholesteryl ester contents of cells were determined by high performance liquid chromatography. Results: CD36, LPL, and Fcγ2b, which were related to lipid metabolism and the formation of macrophage foam cells, were upregulated after CpG-ODN stimulation. The mRNA expression related to the formation of foam cells was confirmed by semiquantitative RT-PCR. Moreover,histochemical analysis confirmed that lipid deposits inside cells increased after CpG-ODN treatment. However, using flow cytometry, we found that CpG-ODN had no effect on the expression of membrane receptors. Conclusion: CpG-ODN up-regulated the expression of genes in macrophage foam cell formation.
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