Marina Nunes , Catarina Conrado de Britto , Rafaela Doretto do Valle Freitas , Amanda Seraphim Oliveira , Leonardo Wensing Fischer , Sandra Maria Miraglia , Samara Urban de Oliva
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引用次数: 0
Abstract
Carbamazepine (CBZ) is a medication used for neurological and psychiatric disorders treatment. Its potential side effects on male reproduction are a cause for concern. Alterations in sperm parameters and sex hormone levels have been reported during and after prolonged therapy with CBZ. However, alterations in sperm quality are not necessarily associated with a decrease in fertility, and may potentially lead to adverse effects on the offspring. The study aimed to evaluate the qualitative and quantitative parameters of epididymal sperm in CBZ-treated adult rats from pre-puberty to adulthood (F0 generation) and their potential impact on the spermatozoa of their offspring (F1 generation). Male rats were treated with CBZ (20 mg/Kg/day), administered by gavage, from pre-puberty (23 postnatal days - pnd) until adulthood (95pnd). The control group received olive oil (vehicle) following the same experimental procedure. At 95pnd, sperm qualitative and quantitative parameters were analyzed in the F0 and F1 generations. Measurements of testicular and epididymal malondialdehyde levels and plasma testosterone levels were also performed. Paternal chronic CBZ exposure (F0 generation) reduced sperm motility and viability, increased DNA fragmentation, and altered mitochondrial activity and acrosome integrity. Testosterone levels, testicular step 19 spermatid and daily sperm production also decreased. Significant increases in oxidative stress in the testis and epididymis were observed. These alterations also occurred in the F1 generation. The results suggest that prolonged paternal exposure to CBZ can cause sperm qualitative and quantitative alterations, decrease in testosterone levels, affecting intergenerationally the male reproductive health of offspring.
期刊介绍:
Drawing from a large number of disciplines, Reproductive Toxicology publishes timely, original research on the influence of chemical and physical agents on reproduction. Written by and for obstetricians, pediatricians, embryologists, teratologists, geneticists, toxicologists, andrologists, and others interested in detecting potential reproductive hazards, the journal is a forum for communication among researchers and practitioners. Articles focus on the application of in vitro, animal and clinical research to the practice of clinical medicine.
All aspects of reproduction are within the scope of Reproductive Toxicology, including the formation and maturation of male and female gametes, sexual function, the events surrounding the fusion of gametes and the development of the fertilized ovum, nourishment and transport of the conceptus within the genital tract, implantation, embryogenesis, intrauterine growth, placentation and placental function, parturition, lactation and neonatal survival. Adverse reproductive effects in males will be considered as significant as adverse effects occurring in females. To provide a balanced presentation of approaches, equal emphasis will be given to clinical and animal or in vitro work. Typical end points that will be studied by contributors include infertility, sexual dysfunction, spontaneous abortion, malformations, abnormal histogenesis, stillbirth, intrauterine growth retardation, prematurity, behavioral abnormalities, and perinatal mortality.