Probiotics Co-administered with LCM Enhance Antiepileptic Efficacy in the Experimental Post-traumatic Epilepsy Model

IF 3.8 3区 医学 Q2 BIOCHEMISTRY & MOLECULAR BIOLOGY
Ugur Aykin, Cumaali Demirtas, Sezin Kiroglu Uzun, Mehmet Yildirim
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Abstract

The aim of the presented study was to investigate the effects of prebiotic inulin, probiotic VSL#3 (mixture of bacteria from 7 different species and 8 strains) and synbiotic (inulin + VSL#3) supplements applied together with lacosamide (LCM) on post-traumatic epilepsy (PTE). In addition, effectiveness of the relevant treatments on comorbid problems related to learning and memory, anxiety, motor performance and pain threshold that may develop together with seizures due to traumatic brain injury (TBI) and PTE was also examined using behavioral tests. In experiments, adult male Sprague-Dawley rats, divided into 6 groups, were given 30 mg/kg LCM or 1000 mg/kg inulin together with LCM as prebiotic, VSL#3 mixture containing 10 × 109 CFU/kg bacterial colonies as probiotic and (inulin + VSL#3) as synbiotic for 28 days by oral gavage after mild-TBI was induced by weight-drop method and electroencephalogram electrodes were placed. In order to reveal the tendency to trauma-induced seizures, PTE was modeled by injection of 30 + 15 + 15 mg/kg pentylenetetrazole at subconvulsant doses at 30-min intervals on 7th, 14th, 21st and 28th days after TBI and seizures were scored according to Racine scale. Locomotor, cognitive and pain-related behaviors of animals other than seizures were also examined using open field, rotarod, elevated plus maze, radial arm maze, dynamic plantar and thermal plantar tests. It was determined that LCM applied alone was effective in seizure control related to PTE, but probiotic supplement in form of LCM + VSL#3 provided more effective seizure control. In addition, it was determined that probiotic VSL#3 applied together with LCM increased locomotor activity, both VSL#3 and inulin prevented the disorder in forced motor activity caused by LCM, and VSL#3 + inulin applied together with LCM increased mechanical pain threshold. It was concluded that probiotic VSL#3 combined with antiepileptic LCM provides more effective seizure control by strengthening the antiepileptic activity of LCM in management of PTE.

Abstract Image

Abstract Image

在实验性创伤后癫痫模型中,益生菌联合LCM可提高抗癫痫疗效
本研究的目的是研究益生元菊粉、益生菌VSL#3(来自7个不同物种和8个菌株的细菌混合物)和合成菌(菊粉+ VSL#3)补充剂与拉科沙胺(LCM)一起应用对创伤后癫痫(PTE)的影响。此外,还通过行为测试检查了相关治疗对创伤性脑损伤(TBI)和PTE所致可能与癫痫发作一起出现的与学习和记忆、焦虑、运动表现和痛阈相关的共病问题的有效性。实验将成年雄性sd大鼠分为6组,分别给予30 mg/kg LCM或1000 mg/kg菊粉与LCM作为益生元,以含有10 × 109 CFU/kg菌落的VSL#3混合物作为益生菌,以(菊粉+ VSL#3)作为合成菌,经减重法诱导轻度tbi后灌胃28 d,放置脑电图电极。为揭示创伤性癫痫发作的倾向,分别于脑外伤后第7、14、21、28天以亚惊厥剂量注射30 + 15 + 15 mg/kg戊四唑,每隔30 min进行PTE模型的建立,并按拉辛量表对癫痫发作进行评分。采用开场、旋转迷宫、高架迷宫、桡臂迷宫、动态足底和热足底测试,观察动物除癫痫发作外的运动、认知和疼痛相关行为。我们确定LCM单独应用对PTE相关的癫痫发作控制有效,但LCM + VSL#3形式的益生菌补充剂提供更有效的癫痫发作控制。此外,我们确定益生菌VSL#3与LCM联合应用可增加运动活动,VSL#3和菊粉均可预防LCM引起的强迫运动活动紊乱,VSL#3 +菊粉与LCM联合应用可增加机械痛阈。由此可见,益生菌VSL#3联合抗癫痫药LCM治疗PTE可通过增强LCM的抗癫痫活性来更有效地控制癫痫发作。
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来源期刊
Neurochemical Research
Neurochemical Research 医学-神经科学
CiteScore
7.70
自引率
2.30%
发文量
320
审稿时长
6 months
期刊介绍: Neurochemical Research is devoted to the rapid publication of studies that use neurochemical methodology in research on nervous system structure and function. The journal publishes original reports of experimental and clinical research results, perceptive reviews of significant problem areas in the neurosciences, brief comments of a methodological or interpretive nature, and research summaries conducted by leading scientists whose works are not readily available in English.
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