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《实用糖尿病足伤口护理手册》出版发行

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论 著・ 有天然的荧光,这样无论是体外基因转染或者转染细胞体内移 植后,都可以非常直观的利用荧光显微镜观察目的蛋白的表达 位置和情况。通过观察转染细胞相应荧光的有无及强弱,即可判 断对目的基因的表达情况,而无需繁琐的鉴定。 Sci USA,l999,96(19):10711-10716. 2010年2月第48卷第6期 f61 Woodburv D.Schwarz EJ.Pr ̄kop DJ.et a1.Adult rat and human bonemarrow stromal cells diferentiate into neurons[3[.J Neurosci Res, 2000,61(4):364—370. [7]Inoue M,Honmou O,Oka S,et a1.Comparative analysis of remyelinating potentil of faocal and intravenous administration of 本实验利用慢病毒载体将bFGF基因导人大鼠MSCs内,以 细胞作为bFGF的发生器,经ELISA检测到转染72h后的MSCs 内bFGF呈持续高水平表达,与空载体组和空白组比较具有显著 统计学意义,而对照组之间无显著统计学意义。RT—PCR检测实 验组在mRNA水平的表达情况亦有类似结果:bFGF-GFP —autologous bone marrow cells into the rat demyelinated spinal cord[J[. Glia,2003,44(2):111-118. f8]Hafstetter CP,Seh arz EJ,Hess D,el a1.Marrow stromal cells from guiding srtndsa in the injured spinal cord and promole recovery[J]. BMSCs组mRNA较对照组显著减少,而2个对照组问比较无明 显差别,说明带有目的基因的慢病毒,不论是在mRNA水平还是 蛋白质水平都显著提高bFGF的表达。 本实验采用慢病毒转染的方法相对简单,转染72h后即可 Proc Natl Acad Sci USA,2002,99(4):2199—2204. [9]Ullian EM,Harris BT,Wu A,et a1.Schwann cells and astroeytes induce synapse formation by spinal motor neurons in culture[J[.Mol 进行检测,随着细胞的传代,目的基因能过稳定的遗传给下一 代。通过本实验,我们获得可以稳定表达人bFGF基因并携带荧 光蛋白标记的MSCs,这为下一步的动物移植治疗脊髓损伤奠定 了基础。 Ce11 Neurosci 2004,25(2):241—251. [10]Garcia R,Aguir J,Alaberti E,et a1.Bone marrow stromal cells produce nerve growth factor and ghal cell line-derived neurotrophic factors[J[.Bi ̄hem Biophys Res Commun,2004,316(3):753—754. [11]Kafri T,Van Praag H,Gage FH,et a1.Lentiviral vectors:regulated 【参考文献】 [1]Schwab ME.Repairing the injured spinal cord『J].Science,2002,295 (5557):1029—1031. [2]Kassem M,Kristiansen M,Abdallah BM.Mesenchymal stem cell:cell biology and potential use in therapy[J[.Basic Clin Pharmacol Toxicol, 2004.95(5):209—214. [3】Bikfalvi A,Klein S,Pintucci G,et a1.Biological roles of fibroblsta growth factor-2[[[.Endoer Rev,1997,18【1):26—45. 『4 Del4]rieu I.The high molecular weight isoforms of basic fibroblsta growth factor(FGF-2):an insight into an intracrine mechanism[J]. gene expression[J[.Molecular Therapy,2000,1(6):516-521. [12] Sanuki T,Yumoto E,Komori M,et a1.Expression of fibroblast growth factor一2 in the nucleus ambiuusg following recurrent laryngeal nerve injury in the rat『J].Laryngoscope,2000,110:2128-2134. [13]Mattson MP,Murrain M,Guthrie PB,et a1.FGF and glutamate opposing roles in the generation and degeneration of hippocampal neuroarchitecture[J].J Neurosci,1989,9(11):3728—3740. [14]Mochetti I,Rabin SJ.colangelo AM,et a1.Increased basic fibroblsta rowgth factor expression following contusive spinal cord injury【J]. Exp Nenrol,1996,141(1):154—164. [15]Lee TT,Green BA,Dietrich WD,et a1.Neuroprotective effects of basic fibroblast growth factor following spinal cord contusive injury in the rat[J[.J Nenrotrauma,1999,16(5):347—356. FEBS tt,2000,468(1):6-10. [5]Kopen GC,Proekop DJ,Phinney DG.Marrow stromal cells miratge throughout farebrain and cerebellum,and they diferentiate into astrocytes after injection into neonatla mouse brains[J[.Proc Natl Acad (收稿日期:2009—11—06) 16中国现代医生CHINA MODERN DOCTOR 

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