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홍삼(紅蔘) 수추출물(水抽出物)이 치매단백질(痴매蛋白質) APP 형질전환(形質轉換) 초파리에 미치는 영향(影響)
김영준 ( Young Jun Kim ),김진형 ( Jin Heong Kim ),윤종현 ( Jong Hyun Yun ),정은영 ( Ejun Young Jung ),김태헌 ( Tae Heon Kim ),유영수 ( Yeoung Su Lyu ),강형원 ( Hyung Won Kang ) 대한한방신경정신과학회 2009 동의신경정신과학회지 Vol.20 No.1
Objectives: Ginseng Radix Rubra water extract(RGE) has been used in vivo test for its beneficial effects on neuronal survival and neuroprotective functions, particularly in connection with APP-related dementias and Alzheimer`s disease (AD). APP derived from proteolytic processing of the β-amyloid precursor protein (APP), including the amyloid-β peptide (Aβ), plays a critical role in the pathogenesis of Alzheimer`s dementia. Methods: We determined that RGE inhibits formation of APP, which are the behavior, and possibly causative, feature of AD. Results and Conclusions: In the cells, RGE significantly activated antiapoptosis and decreased the activity of APP-grim, a key enzyme in the apoptosis cell-signaling cascade. These results suggest that neuronal damage in AD might be due to two factors: a direct APP toxicity and multiple cellular and molecular neuroprotective mechanisms, including attenuation of apoptosis and direct inhibition of APP, underlie the neuroprotective effects of RGE.
$H_{2}O_2$와 A$\beta$로 유도된 pc12 cell에서 생산조인(生酸棗仁) 수추출물의 항산화 및 항치매 효과
이상원,김대현,윤종현,김진우,정은영,이성근,이기상,김태헌,류영수,강형원,Lee, Sang-Won,Kim, Dae-Hyun,Yun, Jong-Hyun,Kim, Jin-Woo,Jung, Ejun-Young,Lee, Seoung-Geun,Lee, Key-Sang,Kim, Tae-Heon,Lyu, Yeoung-Su,Kang, Hyung-Won 대한한방신경정신과학회 2008 동의신경정신과학회지 Vol.19 No.3
Objective: The antioxidant and anti-Alzheimer effects of Semen Ziziphi Spinosae (SZS) water extract against the amyloid beta peptide (1-42) or H202-induced oxidative damage and cell death were investigated in rat pheochromocytoma line PC 12. Methods: The cells were incubated with SZS water extract and oxidative damage-inducing materials, amyloid beta peptide (1-42) or H2O2 for 24 h. The cellular viability was assessed by WST-1 assay, cytotoxic damage by LDH activity assay, oxidative damages of cells by fluorescence spectrophotometric method, and apoptosis by TUNEL staining assay. Results and Conclusions: 1. Preincubation of the cells with SZS water extract prior to amyloid beta peptide (1-42) (2 uM) or H2O2 (30 uM) exposure elevated the cell survival close to the control and decreased the level of LDH activity and the fluorescence from the cell homogenates and TUNEL staining of the cells, compared to only amyloid beta peptide (1-42) (2 uM) or H2O2 (30 uM) treated conditions. 2. Our study suggests that Semen Ziziphi Spinosae (SZS) water extract has protective effects against amyloid beta peptide (1-42) or H2O2-induced cell toxicity through the antioxidation mechanism, which might be beneficial for the treatment of Alzheimer's disease.
H2O2와 Aβ로 유도된 pc12 cell에서 생산조인(生酸棗仁) 수추출물의 항산화 및 항치매 효과
이상원 ( Sang Won Lee ),김대현 ( Dae Hyun Kim ),윤종현 ( Jong Hyun Yun ),김진우 ( Jin Woo Kim ),정은영 ( Ejun Young Jung ),이성근 ( Seoung Geun Lee ),이기상 ( Key Sang Lee ),김태헌 ( Tae Heon Kim ),류영수 ( Yeoung Su Lyu ),강형원 대한한방신경정신과학회 2008 동의신경정신과학회지 Vol.19 No.3
Objective : The antioxidant and anti-Alzheimer effects of Semen Ziziphi Spinosae (SZS) water extract against the amyloid beta peptide (1-42) or H2O2-induced oxidative damage and cell death were investigated in rat pheochromocytoma line PC 12. Methods : The cells were incubated with SZS water extract and oxidative damage-inducing materials, amyloid beta peptide (1-42) or H2O2 for 24 h. The cellular viability was assessed by WST-1 assay, cytotoxic damage by LDH activity assay, oxidative damages of cells by fluorescence spectrophotometric method, and apoptosis by TUNEL staining assay. Results and Conclusions : 1. Preincubation of the cells with SZS water extract prior to amyloid beta peptide (1-42) (2 uM) or H2O2 (30 uM) exposure elevated the cell survival close to the control and decreased the level of LDH activity and the fluorescence from the cell homogenates and TUNEL staining of the cells, compared to only amyloid beta peptide (1-42) (2 uM) or H2O2 (30 uM) treated conditions . 2. Our study suggests that Semen Ziziphi Spinosae (SZS) water extract has protective effects against amyloid beta peptide (1-42) or H2O2-induced cell toxicity through the antioxidation mechanism, which might be beneficial for the treatment of Alzheimer`s disease.