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. 2021 Jan 5;21(1):5.
doi: 10.1186/s12888-020-03006-z.

Genetic susceptibility of opioid receptor genes polymorphism to drug addiction: A candidate-gene association study

Laith N Al-Eitan  1   2 , Doaa M Rababa'h  3 , Mansour A Alghamdi  4   5
Affiliations

Genetic susceptibility of opioid receptor genes polymorphism to drug addiction: A candidate-gene association study

Laith N Al-Eitan et al. BMC Psychiatry. .

Abstract

Background: Like other complex diseases including drug addiction, genetic factors can interfere with the disease. In this study, three opioid genes (OPRM1, OPRD1, and OPRK1) were examined for an association with drug addiction among Jordanian males.

Methods: The study involved 498 addicts, in addition to 496 healthy controls and all from Arab descent.

Results: The findings in this study showed that rs1799971 of the OPRM1 gene was in association with drug addiction for both alleles and genotypes with P-values = 0.002 and 0.01, respectively. In addition, a significant association between the dominant model (A/A vs G/A-G/G) of rs1799971 (OPRM1) and drug addiction (P-value = 0.003, OR = 1.59 (1.17-2.15)) was detected. Moreover, a genetic haplotype (AGGGCGACCCC) of theOPRM1 gene revealed a significant association with drug addiction (P-value = 0.01, OR = 1.56 (1.15-2.12)). We also found that the age of addicts, smoking, and marital status with genetic variants within OPRM1, OPRD1, and OPRK1 genes may be implicated in drug addiction risk.

Conclusion: We propose that rs1799971 of the OPRM1gene is a genetic risk factor for drug addiction among Jordanian males.

Keywords: Drug addiction; Jordan; Opioids; Polymorphism.

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Conflict of interest statement

The authors declare no conflict of interest.

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References

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