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Chemical composition and anticonvulsant activities of herb pair of Gastrodia elata Blume-Acorus tatarinowii Schott decoction on experimentally induced seizures in mice

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Abstract

Epilepsy is a serious public health problem in the world. At present, over 30% of affected patients remain refractory to currently available treatment. Medicinal plants as pharmaceuticals and healthcare treatments have been frequently used in the management of epilepsy in China for many centuries. Gastrodia elata-Acous tatarinowii (GEAT), as a classic and most commonly used herb pair in traditional Chinese medicine (TCM), has been employed to control seizures for thousands of years. However, the animal experiment data on its anticonvulsant effect is limited in the literature. Thus, this study aimed to reveal the therapeutic actions of GEAT decoction against seizures in mice. UHPLC-MS/MS was performed to analyze the chemical components of GEAT decoction. The mice were given GEAT decoction for 7 days, and MES, PTZ, and 3-MP injection was given 30 min after the last administration. Video monitoring was performed for comparisons. In addition, the PTZ-induced kindling models were conducted to investigate the seizure severity, anxiety and cognitive profile, inflammation, and oxidative stress parameters in mice. The results showed that GEAT decoction dose-dependently protected mice against MES, 3-MP, and PTZ-induced acute seizures. Furthermore, GEAT decoction significantly ameliorated seizure severity, decreased the accumulation of inflammatory mediators TNF-α, IL-1β, and IL-6, mitigated oxidative stress, as well as alleviated anxious-like behavior and cognitive deficits in PTZ-kindled mice. These results suggest that GEAT decoction possesses certain anticonvulsant properties, which might be clinically useful as phytotherapy alone or as an adjunct therapy for the prevention and treatment of seizures and epilepsy.

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Data will be provided upon a reasonable request.

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Funding

This work was supported by the National Natural Science Foundation of China [No. 82260865], the Science and technology projects of Guizhou Province (Qian Kehe foundation-ZK [2021] General-550; Qian Kehe Platform Talents [2018]5772–074; Qian Kehe Platform Talents [2019]-017), and the Science and Technology Project of Zunyi (Grant No. ZSKH-HZ-(2020)-78).

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The manuscript was completed through the contributions of all the listed authors. H-XR, Y-Y, Y-XF, and S-Y designed and performed the experiments, and Y-Y and S-Y analyzed the data. H-XR wrote and helped to modify the paper. All authors read and approved the final version of the manuscript.

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Correspondence to Xirui He or Yongsheng Li.

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Animal studies were performed in strict accordance with the guidelines for the Care and Use of Laboratory Animals and granted by the Ethics Committee of Zunyi Medical University (Date: July 30, 2020/NO: ZYLS-[2020] No. 2–081).

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The authors declare that there is no conflict of interest.

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A preprint has previously been published [He et al. 2022] in “research square”, it has not been published by a journal.

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He, X., Yang, Y., Yuan, X. et al. Chemical composition and anticonvulsant activities of herb pair of Gastrodia elata Blume-Acorus tatarinowii Schott decoction on experimentally induced seizures in mice. Metab Brain Dis 38, 1877–1893 (2023). https://doi.org/10.1007/s11011-023-01211-9

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  • DOI: https://doi.org/10.1007/s11011-023-01211-9

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