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Scientists Devise Novel Way to Track Genes Linked to Drug Addiction

January 14, 2008 at 7:11 PM Research News

Chinese scientists have devised a novel technique to identify genes and other biological pathways associated with drug addiction.

Their work attains significance as it may pave the way for potential ways to treat drug abuse and disorders.

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"We have found 396 addiction-related genes and identified five pathways that are common to addiction to four different substances: cocaine, opium, nicotine and alcohol," the China Daily quoted Wei Liping, the director of the centre for bioinformatics of the life science college under Peking University, as saying.

"The research provides a more complete picture of drug addiction, as genetic factors contribute to about 60 per cent of the vulnerability to drug addiction," she said.

She said that tracking common pathways gives the hope that the effectiveness of therapies that target such pathways may be boosted to treat a wide range of addictive disorders.

Liping�s study was based on scientific literature published in the past three decades, and 2,343 items of evidence linking genes to addiction.

In their research, she and her colleagues used an integrated "systems biology approach", one of the first "computational system biology approaches" to studying addiction.

"Studying individual or a small number of genes is like looking at pieces of a jigsaw puzzle. There are so many genes and signaling pathways possibly linked to addiction, but data derived from any single strategy might be biased," she said.

"Only when you gather most of the pieces from different places and arrange them together in an orderly fashion, do interesting patterns emerge," she added.

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Scientists Devise Novel Way to Track Genes Linked to Drug Addiction

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