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用毛囊干细胞再生眼睛 [复制链接]

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楼主
发表于 2011-10-12 00:19 |只看该作者 |倒序浏览 |打印
本帖最后由 naturalkillerce 于 2011-10-19 22:54 编辑
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1 S- f. z# V. [; ]$ n5 z德国科学家因发现毛囊细胞能分化为眼睛角膜上皮细胞而获得2011年青年科学家奖: w$ w( t4 u- _/ l; Z& ?
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新闻编译见第7楼。- ^0 X% G. ~' L1 a& q- j4 W
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Dr. Ewa Meyer-Blazejewska wins annual Young Investigator Award in Serbia) f9 O/ R- J+ B1 [: P

) f$ m  y* g1 s6 l# LDurham, NC & Serbia, October 2011 – A young scientist who led research into the use of stem cells from hair follicles to treat the ocular surface disease has been named the winner of the Young Investigator Award by the journal Stem Cells. Dr. Ewa Meyer-Blazejewska will be presented with her award at The Stem Cell Symposium, hosted by the University of Kragujevac in Serbia on October 15, 2011. The $10,000 prize is awarded annually to a young scientist whose paper has been judged to be of worldwide significance by a global jury.* X1 D. |& h, [: ~+ j

% ~; P$ K  A4 N& M5 K' E+ YDr. Meyer-Blazejewska, from the University of Erlangen-Nürnberg, in Germany, won the award for her research into Limbal stem cell deficiency (LSCD), a condition which causes the cornea to become cloudy and develop a rough surface causing pain and leading to blindness.
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' d  c  }+ p6 y# dCurrently, treatments focus on harvesting limbal cells from a patient's healthy eye or from cadaveric tissue. In her pioneering research, Dr. Meyer-Blazejewska considered the potential use of stem cells harvested from hair follicles to reconstruct damaged tissue for patients who suffer from LSCD in both eyes.
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"Tissue engineering has become a rapidly growing field of research and it is expected to reveal the potential for the application of adult stem cells in clinical practice," said Dr. Meyer-Blazejewska. "I hope the results in our paper will be instrumental for the advancement of research in the areas of stem cell niche, stemness and differentiation, which will aid in the treatment of LSCD as well as other ocular and non-ocular diseases."
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7 ]! V& a3 J" ^$ Q/ T4 @Dr. Meyer-Blazejewska's team demonstrated that in the right microenvironment stem cells from hair follicles do have the capacity for cellular differentiation, the process whereby a less specialized cell becomes a more specialized cell type, in this case the cells of the corneal epithelial phenotype.
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$ T, |5 w* \. m- j1 P5 I* X+ s7 sThe team's results showed an 80% rate of differentiation in mouse eyes following a cell transplant highlighting the promising therapeutic potential of these cells.
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"Young scientists are vital for advancing stem cell science, providing exciting and essential new insights, and propelling the field of regenerative medicine with new discoveries that impact many kinds of malignant or degenerative disorders," said Dr. Miodrag Stojković, Editor, Stem Cells. "As demonstrated in this year's Young Investigator Award-winning paper, which focuses on the use of stem cells harvested from hair follicles to reconstruct damaged tissue for patients who suffer from LSCD, these promising new scientists are the life-force for stem cell research."
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4 a1 c9 x, F' J1 t( ~; d) x# M" zThe winning paper is available here: Http://onlinelibrary.wiley.com/doi/10.1002/stem.550/abstract% T) @5 |* ], t1 R: _7 c6 L: O: N
原文信息:2 }& O& Q" ]3 \+ {! |9 F3 d: P
From Hair to Cornea: Toward the Therapeutic Use of Hair Follicle-Derived Stem Cells in the Treatment of Limbal Stem Cell Deficiency
5 |6 _4 X8 V6 T$ c6 O; USTEM CELLS,Volume 29, Issue 1, pages 57–66, January 2011,DOI: 10.1002/stem.550
2 j& z( c0 x+ D; E' QHttp://onlinelibrary.wiley.com/doi/10.1002/stem.550/abstract
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发表于 2011-10-12 00:24 |只看该作者
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发表于 2011-10-12 15:06 |只看该作者
求全文,谢谢!

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发表于 2011-10-12 16:05 |只看该作者
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发表于 2011-10-12 20:41 |只看该作者
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看到了,谢谢

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发表于 2011-10-19 15:19 |只看该作者
本帖最后由 naturalkillerce 于 2011-10-19 15:30 编辑
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! I) Z5 [. {" }' @) N9 F$ k3 E* p回复 naturalkillerce 的帖子
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; n" {7 |- @. Q( ?  E其实既然人体所有细胞都是从受精卵分化发育而来的,那么身体上所有细胞都具备这种转分化或者经诱导后变成iPSCs后再变成所需的细胞类型。只不过所需的条件不同罢了。
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发表于 2011-10-19 22:52 |只看该作者
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/ |1 p, k8 N1 k8 K! g编译如下:1 f! I! J* v8 }9 k3 ?1 A& r) h7 u1 H! V/ y

德国科学家因发现毛囊细胞能分化为眼睛角膜上皮细胞而获得2011年青年科学家奖

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领导研究使用来自毛囊的干细胞来治疗眼表疾病的Ewa Meyer-Blazejewska博士获得《Stem Cells》杂志评定的青年科学家奖(Young Investigator Award)。她在2011年10月15日由塞尔维亚Kragujevac大学主办的干细胞研讨会上被授予这一1万美元的奖金。4 j7 r0 P# u- m$ A
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来自德国埃尔朗根-纽伦堡大学Ewa Meyer-Blazejewska博士因研究角膜缘干细胞缺陷症(limbal stem cell deficiency, LSCD)---这种症状导致眼角膜浑浊并发展为眼表粗糙从而造成疼痛和导致失明---而赢得这一奖金。  A% ^/ [. h& L# M6 ]' C" R" W9 A# _, s( \
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当前LSCD治疗集中于从病人健康眼睛或尸体组织中获取角膜缘细胞。在她的这一开创性研究中,Ewa Meyer-Blazejewska博士考虑用从毛囊中收集的干细胞来为两眼遭受LSCD的病人重建受损组织。
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组织工程已成为一个快速发展的研究领域,人们期待组织工程能揭示成体干细胞在临床应用上的潜力。
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) T/ `, r9 \1 r- i) H! XMeyer-Blazejewska博士领导的研究小组证实来自毛囊的干细胞处于合适的微环境中确实能够分化为角膜上皮细胞。
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: i8 ]2 S6 O1 Q研究结果显示在移植后,在小鼠眼里85%的毛囊干细胞发生分化,突出显示这些细胞有希望的临床潜力。
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发表于 2011-10-28 11:10 |只看该作者
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