Changes in DNA during drug withdrawal may offer promising ways of developing more effective treatments for cocaine addiction, reveals a new study.
The study conducted at Mcgill University showed that withdrawal from drug use results in reprogramming of the genes in the brain that lead to addictive personality.
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Moshe Szyf, a professor in the Faculty of Medicine at McGill, asserted that they inherit genes from parents and these genes remain fixed throughout life and are passed on to children. Therefore, very little can be done to change adverse genetics changes that are inherited.
Szyf said that in contrast, epigenetic marks such as DNA methylation act as switches and dimmers of genes, they could be switched on, off, or dimmed by epigenetic drugs inhibiting DNA methylation and removing methyl marks from these genes.
![Drug Abuse]( "Drug Abuse")
The use of Drugs for reasons other than its prescribed recommendation, is known as Drug abuse or substance abuse. Drug abuse or substance abuse is initiated by various biological and social factors.
The team used a rat model of incubation of cocaine craving, in which rats were trained to self-administer cocaine which was cued by a specific light or sound. This drug craving or "addictive" behavior was tested after either 1 day or 30 days of withdrawal from cocaine. Following the long withdrawal, the rats developed an intense drug seeking behavior when exposed to the cue. It was after a lengthy period without the drugs that the epigenetic changes were most evident.
Szyf added that they discovered that injecting the drug RG108 just before the animals were exposed to the light cue after the long withdrawal not only stopped the addictive behavior of the animals, it also lasted for a longer period and this suggested that a single treatment with RG108 could reverse or perhaps cure drug addiction.
Source: Medindia
Drug Abuse
The use of Drugs for reasons other than its prescribed recommendation, is known as Drug abuse or substance abuse. Drug abuse or substance abuse is initiated by various biological and social factors.
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The team used a rat model of incubation of cocaine craving, in which rats were trained to self-administer cocaine which was cued by a specific light or sound. This drug craving or "addictive" behavior was tested after either 1 day or 30 days of withdrawal from cocaine. Following the long withdrawal, the rats developed an intense drug seeking behavior when exposed to the cue. It was after a lengthy period without the drugs that the epigenetic changes were most evident.
Szyf added that they discovered that injecting the drug RG108 just before the animals were exposed to the light cue after the long withdrawal not only stopped the addictive behavior of the animals, it also lasted for a longer period and this suggested that a single treatment with RG108 could reverse or perhaps cure drug addiction.
Source: Medindia
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