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KMID : 0380220060390040441
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Journal of Biochemistry and Molecular Biology
2006 Volume.39 No. 4 p.441 ~ p.447
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GEDA: New Knowledge Base of Gene Expression in Drug Addiction
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Suh Young-Ju
Yang Moon-Hee
Yoon Suk-Joon
Park Jong-Hoon
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Abstract
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Abuse of drugs can elicit compulsive drug seeking behaviors upon repeated administration, and ultimately leads to the phenomenon of addiction. We developed a procedure for the standardization of microarray gene expression data of rat brain in drug addiction and stored them in a single integrated database system, focusing on more effective data processing and interpretation. Another characteristic of the present database is that it has a systematic flexibility for statistical analysis and linking with other databases. Basically, we adopt an intelligent SQL querying system, as the foundation of our DB, in order to set up an interactive module which can automatically read the raw gene expression data in the standardized format. We maximize the usability of this DB, helping users study significant gene expression and identify biological function of the genes through integrated up-to-date gene information such as GO annotation and metabolic pathway. For collecting the latest information of selected gene from the database, we also set up the local BLAST search engine and nonredundant sequence database updated by NCBI server on a daily basis. We find that the present database is a useful query interface and data-mining tool, specifically for finding out the genes related to drug addiction. We apply this system to the identification and characterization of methamphetamine-induced genes’ behavior in rat brain.
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KEYWORD
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Database, Drug addiction, Gene expression, Microarray, Rat brain
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