Abstract:
:Prolonged cannabis use has a significant impact on health and well-being. Genetic factors are known to influence cannabis dependence, but few specific genetic markers have been identified. ABCB1 polymorphisms are known to modify drug pharmacokinetics but have yet to be studied for their role in generating and maintaining cannabis dependence. The objective of this study is to determine if ABCB1 C3435T polymorphism may represent an independent genetic marker for cannabis dependence risk. An open bi-centric association study was conducted in two French Addiction Centres. Caucasian patients diagnosed with isolated cannabis dependence were compared with healthy age-matched controls for socio-demographic, clinical and genetic data using chi-square test, Fisher's exact test, or Mann-Whitney U test. Independent association between ABCB1 C3435T SNP marker and cannabis dependence was evaluated using multiple logistic regression analysis. Versus controls (n=40), patients with cannabis dependence (n=40) had a significantly higher 3435C allele frequency (62.5% versus 43.8% respectively, P=0.017) and CC genotype (50% versus 20%, P=0.005, OR=4.00 [1.50-10.60]). Multiple logistic regression analysis of the C3435T SNP and variables identified in univariate analyses indicated that the CC genotype was independently associated with cannabis dependence (P=0.045, OR=6.61 [1.05-46.58]). This is the first time a significant specific genetic marker has been shown in cannabis dependence. ABCB1 polymorphisms may alter Delta9THC distribution, its psychoactive effects and individual vulnerability to dependence. These results pave the way to a new pharmacogenetic hypothesis in cannabis dependence.
journal_name
Prog Neuropsychopharmacol Biol Psychiatryauthors
Benyamina A,Bonhomme-Faivre L,Picard V,Sabbagh A,Richard D,Blecha L,Rahioui H,Karila L,Lukasiewicz M,Farinotti R,Picard V,Marill C,Reynaud Mdoi
10.1016/j.pnpbp.2009.07.016subject
Has Abstractpub_date
2009-10-01 00:00:00pages
1270-4issue
7eissn
0278-5846issn
1878-4216pii
S0278-5846(09)00244-9journal_volume
33pub_type
杂志文章,多中心研究abstract::1. To define the neural circuits activated by dopaminergic stimulation in rat models of parkinsonism, the author studied the effects of L-dopa and selective D1 and D2 agonists on RCGU in rats with unilateral 6-OHDA substantia nigra lesions. 2. Systemic administration of L-dopa markedly increased RCGU in the EP and SNr...
journal_title:Progress in neuro-psychopharmacology & biological psychiatry
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
pub_type: 杂志文章,随机对照试验
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
pub_type: 杂志文章,meta分析
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
pub_type: 杂志文章,评审
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
pub_type: 杂志文章
doi:10.1016/j.pnpbp.2005.11.041
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
pub_type: 杂志文章
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更新日期:2020-08-27 00:00:00
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
pub_type: 杂志文章
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更新日期:2012-01-10 00:00:00