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1,25-Dihydroxyvitamin D3 and Its Analogues Modulate the Expression and Secretion of IL-10 by Human Monocyte-derived Dendritic Cells

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Author:
No author available
Journal Title:
CHINESE JOURNAL OF DERMATOLOGY
Issue:
9
DOI:
10.3760/j.issn:0412-4030.2004.09.004
Key Word:
1,25-二羟维生素D3;树突状细胞;白介素-10

Abstract: 目的研究1,25-二羟维生素D3及其类似物卡泊三醇和他卡西醇对来源于单核细胞的树突细胞(DC)表达和产生白介素10(IL-10)的调节作用.方法在体外将人外周血单核细胞分化成树突细胞.分别采用半定量RT-PCR和ELISA法分析1,25-二羟维生素D3及其类似物对MDDC表达IL-10mRNA和产生IL-10蛋白的影响.并以1,25-二羟维生素D3的代谢物24,25-二羟维生素D3作对照.结果1,25-二羟维生素D3、卡泊三醇和他卡西醇以相当的作用强度上调MDDC表达和产生IL-10,但24,25-二羟维生素D3未显示调节作用;1,25-二羟维生素D3对IL-10蛋白水平的上调作用呈剂量依赖方式.结论1,25-二羟维生素D3及其类似物治疗银屑病的作用可能是通过调节IL-10的表达和分泌来实现的.

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