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- Title
Quetiapine attenuates cadmium neurotoxicity by suppressing oxidative stress, inflammation, and pyroptosis.
- Authors
Althagafy, Hanan S.; Harakeh, Steve; Azhari, Sheren A.; Farsi, Reem M.; Al-Abbas, Nouf S.; Shaer, Nehad A.; Sharawi, Zeina W.; Almohaimeed, Hailah M.; Hassanein, Emad H. M.
- Abstract
Background: Cadmium (Cd) is a heavy metal with extremely harmful toxic effects on the brain. Quetiapine (QTP) has unique neuroprotective effects with anti-inflammatory and antioxidant actions. However, its neuroprotective effect against Cd-induced neurotoxicity has not been previously studied. Methods: QTP was administered in 10 and 20 mg/kg doses, while Cd was given in a dose of 6.5 mg/kg. Results: In our study, QTP dose-dependently attenuated neuronal injury by downregulating p-tau and β-amyloid. QTP potently attenuates histological abrasions induced by Cd. QTP counteracted oxidative injury by decreasing neuronal MDA and increased GSH levels mediated by downregulating Keap1 and upregulating Nrf2 and HO-1. QTP mitigated inflammation by decreasing MPO and NO2 and neuronal cytokines TNF-α and IL-1β and upregulating IL-10 levels mediated by NF-κB downregulation. Additionally, QTP counteracted Cd-induced pyroptosis by downregulating caspase-1, ASC, and NLRP3 protein levels. Conclusion: In conclusion, QTP mitigates neurotoxicity induced by Cd through suppression of inflammation, pyroptosis, and oxidative stress by controlling the NF-κB, Keap1/Nrf2, and pyroptosis signals.
- Subjects
PYROPTOSIS; NLRP3 protein; POISONS; CADMIUM; NEUROTOXICOLOGY; OXIDATIVE stress
- Publication
Molecular Biology Reports, 2024, Vol 51, Issue 1, p1
- ISSN
0301-4851
- Publication type
Article
- DOI
10.1007/s11033-024-09558-7