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[教学视频] Dr. Douglas A. Melton :Embryonic Stem Cells and Disease Part 2 of 6 [复制链接]

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发表于 2009-3-11 23:05 |只看该作者 |正序浏览 |打印

- g( W. Z4 b3 l. P/ M9 b  e: Q: TBrought 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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; d4 G1 @$ v0 O2 QThere 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 5 天前 |只看该作者
昨晚多几分钟的准备,今天少几小时的麻烦。  

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发表于 2025-5-26 15:04 |只看该作者
不早了 各位晚安~~~~  

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发表于 2025-5-26 04:33 |只看该作者
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不错啊! 一个字牛啊!  

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发表于 2025-5-25 02:08 |只看该作者
不知道说些什么  

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发表于 2025-5-22 21:26 |只看该作者
不错不错.,..我喜欢  

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发表于 2025-5-4 09:11 |只看该作者
风物长宜放眼量  

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发表于 2025-4-20 05:36 |只看该作者
你加油吧  

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发表于 2025-3-29 13:08 |只看该作者
感谢党和人民的关爱~~~  

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发表于 2025-2-12 16:45 |只看该作者
一楼的位置好啊..  
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