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中国人和高加索人单核细胞基因表达谱与单核苷酸多态性(SNP)相关性均显示骨质疏松症基因的重要性 |
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Gene expression profiling in monocytes and SNP association suggest the importance of the gene for osteoporosis in both Chinese and Caucasians |
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Chen XD, Xiao P, Lei SF, Liu YZ, Guo YF, Deng FY, Tan LJ, Zhu XZ, Chen FR, Recker RR, Deng HW 2010/7/2 13:42:00 |
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Journal of Bone and Mineral Research, 2010, Volume 25, Issue 2
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Osteoporosis is characterized mainly by low bone mineral density (BMD). Many cytokines and chemokines have been related with bone metabolism. Monocytes in the immune system are important sources of cytokines and chemokines for bone metabolism. However, no study has investigated in vivo expression of a large number of various factors simultaneously in human monocytes underlying osteoporosis. This study explored the in vivo expression pattern of general cytokines, chemokines, and their receptor genes in human monocytes and validated the significant genes by qRT-PCR and genetic association analyses. Expression profilings were performed in monocyte samples from 26 Chinese and 20 Caucasian premenopausal women with discordant BMD. Genome-wide association analysis with BMD variation was conducted in 1000 unrelated Caucasians. We selected 168 cytokines, chemokines, osteoclast-related factors, and their receptor genes for analyses. Significantly, the signal transducer and activator of transcription 1 (STAT1) gene was upregulated in the low versus the high BMD groups in both Chinese and Caucasians. We also revealed a significant association of the STAT1 gene with BMD variation in the 1000 Caucasians. Thus we conclude that the STAT1 gene is important in human circulating monocytes in the etiology of osteoporosis. © 2010 American Society for Bone and Mineral Research.
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Correspondence Address: Deng, H.-W.; Laboratory of Molecular and Statistical Genetics, College of Life Sciences, Hunan Normal University, Changsha, Hunan, China; email:dengh@umkc.edu |
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疾病资源中心
摘自:《西氏内科学》,第23版
患者女性,21岁,因干咳、间歇性气促2个月到急诊科就诊。开始症状为上呼吸道感染引起的鼻塞、流涕和咳嗽。医生检查后开了抗生素。服药后鼻部症状缓解,但仍有轻微干咳和呼吸困难。其他症状包括疲劳和焦虑。否认发热、体重减轻、胸痛、端坐呼吸、气喘、鼻后滴漏、胃灼热以及神经系统症状。
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