Abstract
We studied association of Oprm1 gene polymorphisms with signs of N-(1-phenethyl-4-piperidyl)propionanilide intoxication in rats. It was found that the rate of intoxication in laboratory animals depends on genetic features. A polymorphic variant rs105312806 of Oprm1 gene can be a possible marker of animal sensitivity to opioid receptor agonists. This hypothesis was supported by differences in the rats of intoxication signs such as time to lateral posture and sleep duration in homozygous rats carrying different alleles. In rats with AA genotype, the time to lateral posture was shorter by 1.3 times and sleep duration was longer by 3.5 times than in carriers of GG genotype.
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