Gua Lou Gui Zhi decoction exerts neuroprotective effects on post-stroke spasticity via the modulation of glutamate levels and AMPA receptor expression

Huang,Jia; Tao,Jing; Xue,Xiehua; Yang,Shanli; Han,Ping; Lin,Zhicheng; Xu,Wei; Lin,Jiumao; Peng,Jun; Chen,Lidian

doi:10.3892/ijmm.2013.1262

April 2013 Volume 31 Issue 4

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April 2013 Volume 31 Issue 4

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Article

Gua Lou Gui Zhi decoction exerts neuroprotective effects on post-stroke spasticity via the modulation of glutamate levels and AMPA receptor expression

Authors:
- Jia Huang
- Jing Tao
- Xiehua Xue
- Shanli Yang
- Ping Han
- Zhicheng Lin
- Wei Xu
- Jiumao Lin
- Jun Peng
- Lidian Chen
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Affiliations: College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, Minhou Shangjie, Fuzhou, Fujian 350108, P.R. China, College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, Minhou Shangjie, Fuzhou, Fujian 350108, P.R. China, MOE Key Laboratory of Traditional Chinese Medicine on Osteology and Traumatology and Exercise Rehabilitation, Fujian University of Traditional Chinese Medicine, Minhou Shangjie, Fuzhou, Fujian 350108, P.R. China, Fujian Key Laboratory of Exercise Rehabilitation, Fujian University of Traditional Chinese Medicine, Minhou Shangjie, Fuzhou, Fujian 350108, P.R. China, College of Chinese Materia Medica, Fujian University of Traditional Chinese Medicine, Minhou Shangjie, Fuzhou, Fujian 350108, P.R. China, Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Minhou Shangjie, Fuzhou, Fujian 350108, P.R. China
Pages: 841-848
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Published online on: January 30, 2013

https://doi.org/10.3892/ijmm.2013.1262
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Abstract

Spasticity is one of the most physically debilitating disabilities following stroke and may slow down the potential success of rehabilitation. Glutamate and α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptors have been shown to play a crucial role in spasticity following cerebral ischemia/reperfusion (I/R) injury. Gua Lou Gui Zhi decoction (GLGZD) is a well-known traditional Chinese formula that has long been used clinically in China to treat muscular spasticity following stroke, epilepsy or spinal cord injury. However, the precise mechanisms behind its neuroprotective and anti-spasticity effects remain poorly understood. In the present study, using a rat model of focal cerebral I/R injury, we evaluated the neuroprotective and anti-spasticity effects of GLGZD and investigated the underlying mechanisms. We found that GLGZD improved neurological deﬁcits and reduced infarct volumes in cerebral I/R-injured rats. In addition, GLGZD reduced cerebral ischemic spasticity since it improved the screen test and Hoffman's reflex (H-reflex) scores. It also reduced glutamate levels in the cerebrospinal fluid and altered the expression of the AMPA receptor subunits. Our data demonstrate that GLGZD exerts neuroprotective and anti-spasticity effects in a cerebral ischemia model via the modulation of glutamate levels and AMPA receptor expression.

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Journals

International Journal of Molecular Medicine

International Journal of Oncology

Molecular Medicine Reports

Oncology Reports

Experimental and Therapeutic Medicine

Oncology Letters

Biomedical Reports

Molecular and Clinical Oncology

World Academy of Sciences Journal

International Journal of Functional Nutrition

International Journal of Epigenetics

Medicine International

Gua Lou Gui Zhi decoction exerts neuroprotective effects on post-stroke spasticity via the modulation of glutamate levels and AMPA receptor expression

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