Abstract
Acori graminei Rhizoma (AGR), the dry rhizoma of Acorus gramineus Soland (Araceae), has been used as an Asian traditional herbal medicine against senile dementia, stroke, and cardiovascular disease. Previous studies have revealed neuroprotective effects of AGR on neuronal damage and learning impairment, while mostly focused on the effect of volatile oil fraction of AGR. This study aimed to investigate the neuroprotective effects of different extract fractions from AGR against Alzheimer disease-like symptoms induced by Amyloid Beta (Aß) 1-42 intra-hippocampal injection. On day 7 after intra-hippocampal injection of saline or Aβ1-42, spatial memory was assessed by the first Morris water maze, followed by 3-week intra-gastric administration of saline or water extract, volatile oil fraction, or defatted decoction fraction of AGR respectively. Mice were subsequently subjected to the second Morris water maze task. Levels of Aβ1-42 and expressions of doublecortin and nestin in the hippocampus were examined using immunohistochemistry. Our results suggested that treatment with these different extract fractions from AGR could ameliorate cognitive impairment and down-regulate expressions of doublecortin and nestin in the hippocampus of Aβ1-42 injected mice, in which water extract and volatile oil fractions were more effective in spatial memory than defatted decoction fraction.
Keywords: Acori graminei rhizoma, extract fraction, amyloid beta, doublecortin, nestin, Alzheimer disease.
CNS & Neurological Disorders - Drug Targets
Title:The Effect of Acori Graminei Rhizoma and Extract Fractions on Spatial Memory and Hippocampal Neurogenesis in Amyloid Beta 1-42 Injected Mice
Volume: 14 Issue: 3
Author(s): Yuxin Ma, Sumin Tian, Lingzhi Sun, Shizhang Yao, Zihao Liang, Shanshan Li, Jing Liu, Linquan Zang and Guoying Li
Affiliation:
Keywords: Acori graminei rhizoma, extract fraction, amyloid beta, doublecortin, nestin, Alzheimer disease.
Abstract: Acori graminei Rhizoma (AGR), the dry rhizoma of Acorus gramineus Soland (Araceae), has been used as an Asian traditional herbal medicine against senile dementia, stroke, and cardiovascular disease. Previous studies have revealed neuroprotective effects of AGR on neuronal damage and learning impairment, while mostly focused on the effect of volatile oil fraction of AGR. This study aimed to investigate the neuroprotective effects of different extract fractions from AGR against Alzheimer disease-like symptoms induced by Amyloid Beta (Aß) 1-42 intra-hippocampal injection. On day 7 after intra-hippocampal injection of saline or Aβ1-42, spatial memory was assessed by the first Morris water maze, followed by 3-week intra-gastric administration of saline or water extract, volatile oil fraction, or defatted decoction fraction of AGR respectively. Mice were subsequently subjected to the second Morris water maze task. Levels of Aβ1-42 and expressions of doublecortin and nestin in the hippocampus were examined using immunohistochemistry. Our results suggested that treatment with these different extract fractions from AGR could ameliorate cognitive impairment and down-regulate expressions of doublecortin and nestin in the hippocampus of Aβ1-42 injected mice, in which water extract and volatile oil fractions were more effective in spatial memory than defatted decoction fraction.
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Cite this article as:
Ma Yuxin, Tian Sumin, Sun Lingzhi, Yao Shizhang, Liang Zihao, Li Shanshan, Liu Jing, Zang Linquan and Li Guoying, The Effect of Acori Graminei Rhizoma and Extract Fractions on Spatial Memory and Hippocampal Neurogenesis in Amyloid Beta 1-42 Injected Mice, CNS & Neurological Disorders - Drug Targets 2015; 14 (3) . https://dx.doi.org/10.2174/1871527314666150225124348
DOI https://dx.doi.org/10.2174/1871527314666150225124348 |
Print ISSN 1871-5273 |
Publisher Name Bentham Science Publisher |
Online ISSN 1996-3181 |
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