Journal
LIFE SCIENCES
Volume 260, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.lfs.2020.118344
Keywords
Drug abuse; Chronic toxicity; Pregabalin; Sex hormones; Leptin; Body weight; Gene expression
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Pregabalin (PGB) drug abuse is common among the youth. It substituted tramadol before its recent schedule as a controlled drug since April 2019. PGB is an antiepileptic drug acting on the central nervous system. It blocks calcium channels regulating the action of neurotransmitters and causing prolonged depolarization. The present study aimed to investigate the toxic effect of long term pregabalin abuse on the reproductive function and body weight in both male and female albino rats and to evaluate the ameliorative effect of wheat germ oil (WGO). Forty-eight rats were randomly divided into eight groups. The first four groups were males and they were treated as follows: control group (1.5 mL saline), WGO group (1.5 mL L/kg), PGB group (300 mg/kg), and protective group (PGB + WGO). All doses were administrated once per day for 60 days by gastric gavage. The second four groups were females. They were divided and treated the same as the male groups. Pregabalin caused significant weight loss, decreased serum triglyceride level, and increased leptin gene expression in all rats. PGB affected male rats reproduction by decreasing total testosterone serum level and inhibiting spermatogenesis. Reproductive toxicity in females was caused by decreasing pituitary steroids, increasing gonadal hormones, and increasing the number of atretic ovarian follicles. Mechanism of toxicity may be attributed to the PGB oxidative stress effect that induced apoptosis and caused diffuse gonadal atrophy. WGO showed a protective effect on PGB induced toxicity as all measured parameters were relatively improved.
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