AI Article Synopsis
- Tramadol, a widely used opioid analgesic, can cause oxidative stress and significant testicular damage in both adult and adolescent rats, as demonstrated by various structural changes and increased collagen levels.
- Pomegranate seed extract (PgSE) was found to provide protective effects against these tramadol-induced damages, preventing many of the observed abnormalities in testicular structure and function.
- The study suggests that the high levels of polyphenols and flavonoids in PgSE, along with its strong antioxidant activity, contribute to its ability to safeguard against the adverse effects of tramadol, especially in younger rats.
Article Abstract
Tramadol is a centrally acting opioid analgesic that is extensively used. The chronic exposure to tramadol induces oxidative stress and toxicity especially for patients consuming it several times a day. Previously, we and others reported that tramadol induces testicular damage in rats. This study was conducted to investigate the possible protective effect of pomegranate seed extract (PgSE) against tramadol-induced testicular damage in adult and adolescent rats. Male rats were orally treated with tramadol or in a combination with PgSE for three weeks. Testes were then dissected and analyzed. Histological and ultrastructural examinations indicated that tramadol induced many structural changes in the testes of adult and adolescent rats including hemorrhage of blood vessels, intercellular spaces, interstitial vacuoles, exfoliation of germ cells in lumen, cell apoptosis, chromatin degeneration of elongated spermatids, and malformation of sperm axonemes. Interestingly, these abnormalities were not observed in tramadol/PgSE cotreated rats. The morphometric analysis revealed that tramadol disrupted collagen metabolism by elevating testicular levels of collagen fibers but that was protected in tramadol/PgSE cotreatment at both ages. In addition, DNA ploidy revealed that S phase of the cell cycle was diminished when adult and adolescent rats were treated with tramadol. However, the S phase had a normal cell population in the cotreated adult rats, but adolescent rats had a lower population than controls. Furthermore, the phytochemistry of PgSE revealed a high content of total polyphenols and total flavonoids within this extract; besides, the DPPH free radical scavenging activity was high. In conclusion, this study indicated that PgSE has a prophylactic effect against tramadol-induced testicular damage in both adult and adolescent ages, although the tramadol toxicity was higher in adolescent age to be completely protected. This prophylactic effect might be due to the high antioxidant compounds within the pomegranate seeds.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7085358 | PMC |
| http://dx.doi.org/10.1155/2020/2732958 | DOI Listing |
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