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成年鼠视网膜干细胞的研究进展
摘要:以往研究认为,脊椎动物的睫状边缘区是其视网膜细胞终生更新的来源,而成年哺乳动物视网膜没有再生能力.近年研究发现,在成年鼠的色素睫状上皮有一些细胞被生长因子刺激后可以增殖并分化为视网膜神经元及胶质细胞。本文对这类干细胞的位置、体内外的研究及其用途作一综述。 论文链接:
2011-07-04
Mapping the C. elegans noncoding transcriptome with a whole-
Abstract The number of annotated protein coding genes in the genome of Caenorhabditis elegans is similar to that of other animals, but t
2011-07-04
枸杞子-青光眼的神经保护剂
赵健 梁玉香 郑传忠 苏国辉 摘要:枸杞子的活性成份包括杞子多糖(LBP)、玉米黄质、β胡萝卜素、甜菜碱、类黄酮等。枸杞子的生物效应至少包括两方面:首先是对神经元的细胞间效应,枸杞子具有免疫调节作用,且可通过适度激活小胶质细胞而保护视网膜神经节细胞免受青光眼高眼压的损害
2011-07-04
视神经损伤后节细胞的保护和神经修复的研究进展
李耀宇 游思维 苏国辉 童绎 鞠躬 摘要:高眼压、炎性病变、创伤、缺血及肿瘤压迫等均能严重损伤视神经,造成视力严重丧失。自1928年Cajal断言哺乳动物的中枢神经系统无再生能力以来,人们一直认为视神经损害后无法再生或修复。 论文链接:http://so
2011-07-04
The criteria that a man chooses a woman
一天,我在纽约一家饭馆吃饭。我右面餐桌旁有对夫妇在低声交谈,左面餐桌旁有3个青年在谈论篮球。我边吃边看报。 忽然,右边那对夫妇争吵起来。那男的轻声说了句什么,女的立即恼怒起来。“你一点不理解我!”她生气地说。接着她霍地站起,扯下餐巾扔到桌上,大步走了。那男的十分尴尬,朝我耸
2011-03-23
A creed to live by 生活信条
Don't undermine your worth by comparing yourself to others. It is because we are different that each of us is special. 不要总拿自己与别人相比,从而确定自身
2011-03-23
笑话:You're Under Arrest 你被捕了
A couple went on vacation to a fishing resort up north. The husband liked to fish at the crack of dawn; the wife preferred to read. 一对夫妻在
2011-03-23
菜花黄了 Fantastic rapeseed flowers
The vast land is covered by large pieces of yellow carpets! Imagine you are walking,running,jumping, even rolling on the carpets! haha
2011-03-30
Is a computer male or female? 计算机是男的还是女的?
A language instructor was explaining to her class that in French, nouns, unlike their English counterparts, are grammatically designated as
2011-04-01
幽默:Office Rules ! 办公室准则
It is advised that you come to work dressed according to your salary, if we see you wearing $350 Prada sneakers & carrying a $600 Gucci bag,
2011-04-07
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