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上海交通大学瑞金医院一篇NATURE文献
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上海交大医学院附属瑞金医院谢玉才等人在Nature上 发表造血干细胞微环境研究的文章。影响因子高达30 Detection of functional haematopoietic stem cell niche using real-time imaging Nature 457, 97-101 (1 January 2009) | doi:10.1038/nature07639; Received 28 April 2008; Accepted 14 November 2008; Published online 3 December 2008 [ Last edited by xieyegui on 2009-9-28 at 09:34 ] |
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小木虫(金币+0.5):给个红包，谢谢回帖交流
amisking(金币+6,VIP+0): 9-28 17:14
小木虫(金币+0.5):给个红包，谢谢回帖交流
amisking(金币+6,VIP+0): 9-28 17:14
找到了，作者的图谱处理的好漂亮啊， 全文链接： http://www.nature.com/nature/jou ... pdf/nature07639.pdf Letter Nature 457, 97-101 (1 January 2009) | doi:10.1038/nature07639; Received 28 April 2008; Accepted 14 November 2008; Published online 3 December 2008 Detection of functional haematopoietic stem cell niche using real-time imaging Yucai Xie1,2,5, Tong Yin1,5, Winfried Wiegraebe1, Xi C. He1, Diana Miller3, Danny Stark1, Katherine Perko1, Richard Alexander1, Joel Schwartz1, Justin C. Grindley1, Jungeun Park1, Jeff S. Haug1, Joshua P. Wunderlich1, Hua Li1, Simon Zhang1, Teri Johnson1, Ricardo A. Feldman3 & Linheng Li1,4 Stowers Institute for Medical Research, 1000 E. 50th Street, Kansas City, Missouri 64110, USA Department of Cardiology, Shanghai Rui Jin Hospital, Shanghai Jiao Tong University School of Medicine, 197, Rui Jin 2 Road, Shanghai 200025, China Department of Microbiology and Immunology, and Greenebaum Cancer Center, University of Maryland School of Medicine, Baltimore, Maryland 21201, USA Department of Pathology and Laboratory Medicine, Kansas University Medical Center, 3901 Rainbow Boulevard, Kansas City, Kansas 66160, USA These authors contributed equally to this work. Correspondence to: Ricardo A. Feldman3Linheng Li1,4 Correspondence and requests for materials should be addressed to R.A.F. (Email: rfeldman@umaryland.edu) and L.L. (Email: lil@stowers-institute.org). Top of pageAbstractHaematopoietic stem cell (HSC) niches, although proposed decades ago1, have only recently been identified as separate osteoblastic and vascular microenvironments2, 3, 4, 5, 6. Their interrelationships and interactions with HSCs in vivo remain largely unknown. Here we report the use of a newly developed ex vivo real-time imaging technology and immunoassaying to trace the homing of purified green-fluorescent-protein-expressing (GFP+) HSCs. We found that transplanted HSCs tended to home to the endosteum (an inner bone surface) in irradiated mice, but were randomly distributed and unstable in non-irradiated mice. Moreover, GFP+ HSCs were more frequently detected in the trabecular bone area compared with compact bone area, and this was validated by live imaging bioluminescence driven by the stem-cell-leukaemia (Scl) promoter–enhancer7. HSCs home to bone marrow through the vascular system. We found that the endosteum is well vascularized and that vasculature is frequently localized near N-cadherin+ pre-osteoblastic cells, a known niche component. By monitoring individual HSC behaviour using real-time imaging, we found that a portion of the homed HSCs underwent active division in the irradiated mice, coinciding with their expansion as measured by flow assay. Thus, in contrast to central marrow, the endosteum formed a special zone, which normally maintains HSCs but promotes their expansion in response to bone marrow damage. |
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sutao1979
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小木虫(金币+0.5):给个红包，谢谢回帖交流
小木虫(金币+0.5):给个红包，谢谢回帖交流
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看了好多战友发表留言，我也说一下吧 Author Information Reprints and permissions information is available at www.nature.com/reprints. Correspondence and requests for materials should be addressed to R.A.F. (rfeldman@umaryland.edu) and L.L. (lil@stowers-institute.org). 在国外是认通讯作者的，通过文章的信息我们可以知道，通讯作者不是上海交大的，所以不能算是我们国家的文章，虽然第二通讯作者是华人（？），但是也不能算是我们国家的文章。目前在我们国家，能发高水品文章的还真不是很多，关键就是要看通讯作者。 |
9楼2009-09-28 19:53:53
