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Nature:大规模研究发现类风湿关节炎的大量新基因线索

2013-12-29 MedSci MedSci原创

26 日,一个由美国、日本、法国、中国等国组成的国际研究小组发现 40 多个新的 DNA 区域会增加类风湿性关节炎的风险。这项工作是迄今为止开展的最大规模的基因研究,涉及近 3 万名患者。研究者相信,他们可以研发新的针对类风湿性关节炎的药物,也许有一天能够彻底治愈这一疾病。该研究结果发表在最新一期《自然》(Nature)杂志上。 该科研小组比较了关节炎患者的 DNA 和那些没有这

26 日,一个由美国、日本、法国、中国等国组成的国际研究小组发现 40 多个新的 DNA 区域会增加类风湿性关节炎的风险。这项工作是迄今为止开展的最大规模的基因研究,涉及近 3 万名患者。研究者相信,他们可以研发新的针对类风湿性关节炎的药物,也许有一天能够彻底治愈这一疾病。该研究结果发表在最新一期《自然》(Nature)杂志上。

该科研小组比较了关节炎患者的 DNA 和那些没有这一疾病的人的 DNA 。结果发现与这一疾病相连的 42 个“薄弱”环节。

研究人员希望可以研发出能弥补这些基因缺陷的药物。首席研究员、哈福大学医学院的 Robert Plenge 教授说:“这一发现显示这样的发现可以被用来设计新的药物。这一发现给未来提供一个机会,那就是利用遗传学来研发治疗像类风湿关节炎这样的复杂疾病的药物,以便治疗或者甚至是治愈这样的疾病。”

有人认为,识别导致复杂疾病的基因缺陷区域--单核苷酸多态性(SNPs)是没有用的。他们说,靠药物来制止 SNPs 不会缓解任何症状。但 Plenge 教授说,他发现了一种现成的药物可以治疗类风湿性关节炎的基因缺陷区域,证明这一遗传方法是可行的。“这为我们提供了巨大的潜力。这一方法可以被用来甄别针对复杂疾病的药物,不仅是类风湿性关节炎,也可以是糖尿病、阿尔兹海默症和冠心病。”

该研究还发现在类风湿关节炎患者身上出现的单核苷酸多态性也发生在血癌患者身上。这一观察表明,那些被用来治疗癌症的药物可以有效对抗类风湿关节炎等,应快速跟踪进入临床试验。

原始出处:

Yukinori Okada, Di Wu, Gosia Trynka, Towfique Raj, Chikashi Terao, Katsunori Ikari, Yuta Kochi, Koichiro Ohmura, Akari Suzuki, Shinji Yoshida, Robert R. Graham, Arun Manoharan, Ward Ortmann, Tushar Bhangale, Joshua C. Denny, Robert J. Carroll, Anne E. Eyler, Jeffrey D. Greenberg, Joel M. Kremer, Dimitrios A. Pappas, Lei Jiang, Jian Yin, Lingying Ye, Ding-Feng Su, Jian Yang, Gang Xie, Ed Keystone, Harm-Jan Westra, Tõnu Esko, Andres Metspalu, Xuezhong Zhou, Namrata Gupta, Daniel Mirel, Eli A. Stahl, Dorothée Diogo, Jing Cui, Katherine Liao, Michael H. Guo, Keiko Myouzen, Takahisa Kawaguchi, Marieke J. H. Coenen, Piet L. C. M. van Riel, Mart A. F. J. van de Laar, Henk-Jan Guchelaar, Tom W. J. Huizinga, Philippe Dieudé, Xavier Mariette, S. Louis Bridges Jr, Alexandra Zhernakova, Rene E. M. Toes, Paul P. Tak, Corinne Miceli-Richard, So-Young Bang, Hye-Soon Lee, Javier Martin, Miguel A. Gonzalez-Gay, Luis Rodriguez-Rodriguez, Solbritt Rantapää-Dahlqvist, Lisbeth Ärlestig, Hyon K. Choi, Yoichiro Kamatani, Pilar Galan, Mark Lathrop, the RACI consortium, the GARNET consortium, Steve Eyre, John Bowes, Anne Barton, Niek de Vries, Larry W. Moreland, Lindsey A. Criswell, Elizabeth W. Karlson, Atsuo Taniguchi, Ryo Yamada, Michiaki Kubo, Jun S. Liu, Sang-Cheol Bae, Jane Worthington, Leonid Padyukov, Lars Klareskog, Peter K. Gregersen, Soumya Raychaudhuri, Barbara E. Stranger, Philip L. De Jager, Lude Franke, Peter M. Visscher, Matthew A. Brown, Hisashi Yamanaka, Tsuneyo Mimori, Atsushi Takahashi, Huji Xu, Timothy W. Behrens, Katherine A. Siminovitch, Shigeki Momohara, Fumihiko Matsuda, Kazuhiko Yamamoto & Robert M. Plenge. Genetics of rheumatoid arthritis contributes to biology and drug discovery. Nature, 25 December 2013; doi:10.1038/nature12873

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    2014-11-10 liye789132251
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    2014-05-22 ylz8403
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    2013-12-31 lmm397
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    2013-12-29 jenner

    不还是很糊涂吗?

    0

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加拿大一项研究表明,对甲氨蝶呤(MTX)反应不佳的类风湿关节炎(RA)患者,用依那西普(ETN)+甲氨蝶呤(MTX)连续治疗6个月后,与继续联用两种药物的患者相比,撤去MTX的患者在6~12个月间未获同等程度的改善。论文8月26日在线发表于《风湿病学年鉴》(Ann Rheum Dis)杂志。  研究纳入205例符合①未接受肿瘤坏死因子抑制剂治疗,②尽管接受持续的MTX治疗,但疾病活动度评分(DAS

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