The effect of minocycline on seizures induced by amygdala kindling in rats |
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Authors: | Seyed Mehdi Beheshti Nasr Ali Moghimi Mohammad Mohammad-Zadeh Ali Shamsizadeh Seyed Mohammad Noorbakhsh |
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Institution: | 1. Cellular and Molecular Research Center, Sabzevar University of Medical Sciences, Sabzevar, Iran.;2. Department of Biology, Ferdowsi University of Mashhad, Mashhad, Iran;3. Department of Physiology and Pharmacology, Cellular and Molecular Research Center, Sabzevar University of Medical Sciences, Sabzevar, Iran;4. Physiology and Pharmacology Research Center, Rafsanjan University of Medical Sciences, Rafsanjan, Iran;5. ScienceBeam Institute, Tehran, Iran |
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Abstract: | PurposeMinocycline is known as a chemical with neuroprotective, anti-inflammatory, and antimicrobial properties. In this study, the effects of minocycline on seizures induced by amygdala kindling in rats were studied.MethodsKindled Wistar rats were injected intraperitoneally with saline and, on the following day, with minocycline (50, 25, and 12.5 mg/kg for the three groups (1–3), respectively). The animals in groups 1–3 had similar protocols. Groups 4 and 5 were given for the rotarod test and received 25 or 50 mg/kg minocycline, respectively, without any kindling stimulation. The animals in groups 6 and 7 (seven each) received 25 mg/kg minocycline or saline, respectively. All the injections were carried out 1 h before kindling stimulation. Seizure parameters, including after discharge duration (ADD), stage 4 latency (S4L), stage 5 duration (S5D), and seizure duration (SD), were recorded and compared with those of the saline groups.ResultsMinocycline (50 mg/kg) significantly reduced ADD, 1/S4L, S5D, and SD (P < 0.001, P < 0.05, P < 0.001, and P < 0.001, respectively) in group 1. While the administration of 25 mg/kg of minocycline decreased the ADD and S5D (P < 0.05), in group 2. The injection of 12.5 mg/kg resulted in decreased S5D (P < 0.001) in group 3. The daily injection of minocycline (25 mg/kg) significantly decreased ADD, S5D, and SD (P < 0.001) in group 6.ConclusionThe obtained results revealed that minocycline has anticonvulsant effect on seizures induced by amygdala kindling. Thus, it may be useful for epilepsy treatment. |
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Keywords: | Minocycline Seizures Kindling Rat |
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