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阿魏酸对大鼠成骨细胞增殖、碱性磷酸酶活性及骨保护素与骨活素mRNA表达的影响 被引量:7
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作者 杨雷 郭岱琦 +2 位作者 柳海峰 刘建全 黄勇江 《中国中医药科技》 CAS 2016年第4期428-430,共3页
目的:观察阿魏酸对体外培养大鼠成骨细胞增殖、碱性磷酸酶(ALP)、骨保护素(OPG)及骨活素(OA)表达的影响,探讨阿魏酸在骨折后骨愈合中的作用。方法:以培养基为空白对照,MTT法检测阿魏酸200、20、2μg/L培养后0、1、2、3、4、5、6 d成骨... 目的:观察阿魏酸对体外培养大鼠成骨细胞增殖、碱性磷酸酶(ALP)、骨保护素(OPG)及骨活素(OA)表达的影响,探讨阿魏酸在骨折后骨愈合中的作用。方法:以培养基为空白对照,MTT法检测阿魏酸200、20、2μg/L培养后0、1、2、3、4、5、6 d成骨细胞增殖的变化,给药后6 d,ELISA法检测细胞上清液ALP活性,RT-PCR检测OPG mRNA和OA mRNA表达的变化。结果:阿魏酸可剂量依赖性促进体外培养大鼠成骨细胞的增殖,显著性增加ALP的活性、OPG mRNA和OA mRNA的表达(P<0.05)。结论:阿魏酸具有骨形成促进效应,其机制可能与其促进成骨细胞增殖与分化、改善骨代谢有关,适用于临床骨折的辅助治疗。 展开更多
关键词 阿魏酸 细胞 @细胞增殖 碱性磷酸酶 @保护 @骨活素 基因表达 体外研究
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Role of soluble triggering receptor expressed on myeloid cells in inflammatory bowel disease 被引量:17
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作者 Michalis Tzivras Vassilios Koussoulas +5 位作者 Evangelos J Giamarellos-Bourboulis Dimitrios Tzivras Thomas Tsaganos Pantelis Koutoukas Helen Giamarellou Athanasios Archimandritis 《World Journal of Gastroenterology》 SCIE CAS CSCD 2006年第21期3416-3419,共4页
AIM: To investigate the probable role of soluble triggering receptor expressed on myeloid cells-1 (sTREM-1) in the pathogenesis of inflammatory bowel disease (IBD).METHODS: Fifty-eight patients were enrolled; ni... AIM: To investigate the probable role of soluble triggering receptor expressed on myeloid cells-1 (sTREM-1) in the pathogenesis of inflammatory bowel disease (IBD).METHODS: Fifty-eight patients were enrolled; nineteen healthy volunteers served as controls; 8 patients were diagnosed with Crohn's disease, and 31 with ulcerative colitis, Clinical and endoscopic activity indexes of patients with Crohn's disease and ulcerative colitis respectively were estimated, Upon admission blood was sampled; sTREM-1 and TNFα were measured by an immunoassay and malondialdehyde (IDA) by the thiobarbitourate assay, after passage through an HPLC system,RESULTS: Median ± SE of TNFα of controls, patients with Crohn's disease and patients with ulcerative colitis were 6.02 ± 3.94, 7.98 ± 5.08 (P = NS vs controls), and 8.45 ± 4.15 ng/L (P = 0.018 vs controls) respectively. Respective values of sTREM-1 were 53.31 ± 32.93, 735.10 ± 197.17 (P = 0.008 vs controls) and 435.82 ± 279.71 ng/L (P = 0.049 vs controls), sTREM-1 was positively correlated with Crohn's disease activity index and clinical and endoscopic activity indexes of ulcerative colitis (P = 0.002, 0.001 and 0.009, respectively), sTREM-1 of patients with ulcerative colitis was positively correlated with TNFα (P = 0.001).CONCLUSION: sTREM-1 seems to behave as a novel mediator in IBD in correlation with the degree of the intlammatory reaction of the intestinal mucosa. 展开更多
关键词 STREM-1 Pro-inflammatory cytokines MALONDIALDEHYDE Inflammatory bowel disease
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