Neuroprotective Effect of Oxyresveratrol from Smilacis Chinae Rhizome on Amyloid β Protein (25-35)-Induced Neurotoxicity in Cultured Rat Cortical Neurons(Pharmacology)
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概要
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We previously reported that Smilacis chinae rhizome inhibits amyloid β protein (25-35) (Aβ (25-35))-induced neurotoxicity in cultured rat cortical neurons. The present study evaluated the neuroprotective effect of oxyresveratrol isolated from Smilacis chinae rhizome against Aβ (25-35)-induced neurotoxicity on cultured rat cortical neurons. Oxyresveratrol over the concentration range of 1-10μM significantly inhibited 10μM Aβ (25-35)-induced neuronal cell death, which was measured by a 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyl-tetrazolium bromide (MTT) assay and Hoechst 33342 staining. Oxyresveratrol (10μM) inhibited 10μM Aβ (25-35)-induced elevation of cytosolic calcium concentration ([Ca^<2+>]_c), which was measured by a fluorescent dye, Fluo-4 AM. Oxyresveratrol (1, 10μM) also inhibited glutamate release into medium and reactive oxygen species (ROS) generation induced by 10μM Aβ (25-35). These results suggest that oxyresveratrol prevents Aβ (25-35)-induced neuronal cell damage by interfering with the increase of [Ca^<2+>]_c, and then by inhibiting glutamate release and ROS generation. Furthermore, these effects of oxyresveratrol may be associated with the neuroprotective effect of Smilacis chinae rhizome.
- 社団法人日本薬学会の論文
- 2006-12-01
著者
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Hguyen Thi
College Of Veterinary Medicine Chungbuk National University
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Nguyen Thi
College Of Technology Vietnam National University Hanoi
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SONG Kyung-Sik
College of Agriculture and Life-Science, Kyungpook National University
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SEONG Yeon
College of Veterinary Medicine, Chungbuk National University
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BAN Ju
College of Veterinary Medicine, Chungbuk National University
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BAE KiHwan
College of Pharmacy, Chungnam National University
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JEON So-Young
College of Agriculture and Life-Sciences, Kyungpook National University
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Nguyen Thi
College Of Veterinary Medicine Chungbuk National University
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Song Kyung-sik
College Of Agriculture And Life-sciences Kyungpook National University
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Song Kyung-sik
韓国
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Bae Ki
College Of Pharmacy Chungnam National University
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Bae Kihwan
韓国
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Jeon So-young
College Of Agriculture And Life-sciences Kyungpook National University
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Bae Kihwan
College Of Pharmacy Chungnam National University
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Seong Yeon
Coll. Of Veterinary Medicine Chungbuk National Univ. Kor
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Ban Ju
School Of Dentistry Dankook University
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Ban Ju
College Of Veterinary Medicine And Research Institute Of Herbal Medicine Chungbuk National Universit
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Seong Y
College Of Agriculture And Life Science Kyungpook National University
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Seong Yeon
College Of Agriculture And Life Science Kyungpook National University
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