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[教学视频] Dr. Douglas A. Melton :Embryonic Stem Cells and Disease Part 4 of 6

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发表于 2009-3-11 23:07 |显示全部帖子
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5 v5 K- a" K2 yBrought to you by the Howard Hughes Medical Institute, this lecture by Dr. Douglas A. Melton is part of a series of lectures devoted to a discussion about the nature of embryonic stem cells and their potential use in the treatment of human disease. Understanding the mechanisms by which particular cell types are generated are of primary concern to be able to fully harness the medicinal potential of embryonic stem cells.
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There are two main approaches to using stem cells to fight human diseases: develop stem cells to produce therapeutic replacement cells and study stem cells as a model for understanding the biology of a disease. Significant progress has been made in producing stem cell lines that, for example, participate in the regeneration of damaged nervous tissue. Many human diseases, such as juvenile diabetes (type 1 diabetes), involve malfunctioning genes and environmental triggers. Usually, a specific type of cell is primarily affected by the disease, and the cellular dysfunction produces the symptoms. In juvenile diabetes, the insulin-producing islet cells of the pancreas are destroyed. Insulin is critical to the proper regulation of sugar by the body, and its absence causes the severe condition called diabetes. Researchers want to coax embryonic stem cells into becoming healthy insulin-producing cells. These cells might then be transplanted into people with diabetes to produce the insulin they lack. Researchers are also interested in producing stem cells that malfunction exactly like the diseased cells in order to understand fundamental aspects of the disease and also to test treatments.

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发表于 2015-6-3 14:18 |显示全部帖子
厉害!强~~~~没的说了!  

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发表于 2015-6-9 07:41 |显示全部帖子
挺好啊  

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发表于 2015-7-10 11:31 |显示全部帖子
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顶你一下,好贴要顶!  

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发表于 2015-7-16 19:10 |显示全部帖子
你加油吧  

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发表于 2015-7-20 17:42 |显示全部帖子
给我一个女人,我可以创造一个民族;给我一瓶酒,我可以带领他们征服全世界 。。。。。。。。。  

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发表于 2015-7-25 04:51 |显示全部帖子
谢谢哦  

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发表于 2015-7-25 15:18 |显示全部帖子
我来看看!谢谢  

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发表于 2015-8-27 14:43 |显示全部帖子
干细胞研究人员的天堂

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发表于 2015-9-12 15:27 |显示全部帖子
先看看怎么样!  
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