Abstract
Objective
Ecstasy can damage the hippocampus, which impairs memory and learning. Using anti-inflammatory compounds such as curcumin may improve the side effects of ecstasy. In this study, we investigated the effect of curcumin on spatial learning and expression of NF-kB and GFAP genes in the hippocampus of rats.
Methods
Male Wistar rats were divided into five groups: (1) control, (2) sham receiving saline, (3) sham receiving DMSO, (4) received ecstasy (15 mg/kg dose twice daily for four days), and (5) ecstasy receiving curcumin (200 mg/kg daily for one week). Spatial memory was estimated by Morris water maze, and GFAP and NF-kB levels in the hippocampus were assessed by qRT-PCR.
Results
Morris water maze results showed that the time spent finding the platform in the ecstasy group increased compared to the control (p < 0.001), while this time decreased in the ecstasy-curcumin group compared to the ecstasy group (p < 0.01). QRT-PCR results showed that the expression of GFAP and NF-kB is increased in the ecstasy group compared to the controls (p < 0.01). Curcumin increased the expression level of the NF-kB gene (p < 0.001), while the expression level of GFAP decreased and approached the level of the control group.
Conclusions
This study showed that ecstasy exposure leads to memory impairment. Co-administration of curcumin provided partial protection against memory impairment caused by ecstasy. It seems that the increase in NF-kB in the hippocampus following the administration of curcumin is a sign of cell regeneration and preserves cell life.
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Acknowledgements
We acknowledge the Golestan University of Medical Sciences for the financial support of this research (Grant No.: 950124015).
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Zahra Nazari, Khadijeh Bahrehbar, Hamid Sepehri and Mohammad Jafar Golalipou declare that we have no conflict of interest.
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In this study, the ethical committee of the Golestan University of Medical Sciences (Golestan, Iran) approved all animal experiments (Ethical code: IR.GOUMS.REC.1395.32).
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Nazari, Z., Bahrehbar, K., Sepehri, H. et al. Curcumin can improve ecstasy-induced hippocampal damage in rat. Toxicol. Environ. Health Sci. 15, 173–179 (2023). https://doi.org/10.1007/s13530-023-00170-z
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DOI: https://doi.org/10.1007/s13530-023-00170-z