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題 名 | Uptake of Glutathione by Isolated Mouse Liver Nuclei is not ATP-Dependent |
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作 者 | 何蘊芳; | 書刊名 | 中華藥學雜誌 |
卷 期 | 49:5/6 民86.10-12 |
頁 次 | 頁297-304 |
分類號 | 418.1 |
關鍵詞 | Glutathione; Nucleus; Uptake; |
語 文 | 英文(English) |
英文摘要 | The uptake by cell nuclei of glutathione from tbe surrounding medium was studied using isolated hepatocyte nuclei in vitro. Nuclei were isolated repidly and gently, such that their ability to take up calcium by ATP-dependent active transport was unimpaired. The uptake of glutathione by these same nuclei was time-and temperature-dependent, but the rate of uptake was not enhanced in the presence of ATP. We conclude that glutathione may be exchanged between the cytosol and nucleus by passive diffusion, probably through nuclear pores, but that no ATP-dependent process for actively concentrating glutathione against a concentration gradient is found. |
本系統中英文摘要資訊取自各篇刊載內容。