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題 名 | Blood Copper and Zinc Levels and Copper-Related Antioxidant Enzyme Activities in Hypercholesterolemic Subjects=高血膽固醇者血中銅鋅值及銅相關抗氧化酵素活性的探討 |
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作 者 | 胡雪萍; 許青雲; 謝明哲; | 書刊名 | 中華民國營養學會雜誌 |
卷 期 | 22:3 1997.08[民86.08] |
頁 次 | 頁277-285 |
分類號 | 411.38 |
關鍵詞 | 高血膽固醇者; 銅; 鋅; 藍胞漿素; Hypercholesterolemia; Copper; Zinc; GSHPx; SOD; Ceruloplasmin; |
語 文 | 英文(English) |
中文摘要 | 本研究主要的目地是藉著生化指標來評估人體微量礦物質-銅和鋅的營養狀況與血膽固醇之關係。研究對象乃篩選成年男女共79人(平均年齡約55歲,男35人,女44人),依據血膽固醇值分成三族群,高血膽固醇組(總膽固醇值大於240mg╱dL,n=23),邊緣性高血膽固醇組(總膽固醇值介於200至240 mg╱dL,n=31)及正常血膽固醇組(總膽固醇值小於200 mg╱dL, n=25)。分析三組血中的脂質,銅、鋅值以及藍胞漿素Ceruloplasmin; Cp)、SOD(superoxide dismutase)、GSHPx(glutathione peroxidase),以探討和銅相關的一些因子是否在膽固醇代謝上占一角色。結果顯示:高血膽固醇組的血漿膽固醇、三酸甘油酯、低密度膽固醇濃度與正常組的比較時顯著較高(p<0.05),高血膽固醇組血漿銅濃度比正常血膽固醇組低,且有統計上之差異(p<0.05),三組間的Cp、SOD和Zn值則無統計上之差異。相關係數分析血中的脂質和銅、SOD、Cp值間無相關性,但正常組血中GSHPx和SOD、Cp值間有正相關性(r=0.4, r=0.45, p<0.05)而高血膽固醇組卻無此關係存在。 |
英文摘要 | Hypercholesterolemia has been shown to be a consequence of dietary copper (Cu) deficiency in experimental animals. There are several biochemical changes induced by Cu deficiency . We examined the lipid level, superoxide dismutase (SOD), glutathione peroxidase (GSHPx), ceruloplasmin (Cp) and plasma Cu and Zn levels in hypercholesterolemic subjects (N=23, total cholesterol (TC)> 240 mg/dL); borderline hypercholesterolemic subjects (N=31, 200 < TC < 240 mg/dL) and control subjects (N=25, TC<200 mg/dL). Total cholesterol, triglyceride (TG), and low density lipoprotein (LDL-C) levels were higher in hypercholesterolemic subjects than in the normal subjects (p<0.05). Hypercholesterolemic subjects had lower Cu levels than the control subjects (p<0.05). The SOD, Cp, and Zn levels in the hypercholesterolemic subjects did not significantly differ from those in the control group. Lipid levels were not related to plasma Cu, SOD, and Cp among the three groups. Plasma GSHPx levels wre positively correlated with SOD and Cp values in the control subjects (r=0.40, r=0.45, p<0.05), but the relationship was not found in hypercholesterolemic subjects. |
本系統中英文摘要資訊取自各篇刊載內容。