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DNA microarrays, or 'chips,' which consist of many DNA probes on a glass wafer,

DNA microarrays, or 'chips,' which consist of many DNA probes on a glass wafer, - Microarrays Forum

DNA microarrays, or 'chips,' which consist of many DNA probes on a glass wafer, - Microarray Forum. Discuss array technology and Gene Chips. DNA microarray and Protein arrayit forums.


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Old 11-03-2009, 09:16 PM
Pipette Filler
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Default DNA microarrays, or 'chips,' which consist of many DNA probes on a glass wafer,



offer the potential for DNA microarrays, or 'chips,' which consist of many DNA probes on a glass wafer, offer the potential for detecting which genes are expressing themselves at any point in the life of a cell. It has been said that such knowledge would greatly increase our ability to develop drugs to combat disease. Explain why the knowledge gained by the use of microarrays would be of value.
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Old 11-03-2009, 11:16 PM
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Wow - whole big review papers have been written on this subject. If you need more info, go to pubmed.com, some should be free and downloadable.

To be able to see what genes are expressed under different conditions is an invaluable tool. It is relatively easy to screen to see, for instance, how cancer cells express different genes than their normal counterparts. Treat the cancerous cells with a drug, and you can see how their expression patterns change - do certain genes that were expressed at the wrong time turn off? Also, how does the drug affect expression in healthy cells?

You can also design experiments to investigate the changes in patterns of gene expression through time - for instance, through development of a fetus (don't get too upset, I don't mean human, most of what I've read use rats as a model).

I hope that helps! Again, if you need more than that, try searching for review articles on pubmed.com.
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