著作: 武田 万稀/Oyama Keisuke/[亀村 典生]/[金丸 芳]/[湯浅 恵造]/[横井川 久己男]/[小山 保夫]/Change in plasma membrane potential of rat thymocytes by tert-butylhydroquinone, a food additive: Possible risk on lymphocytes/[Food and Chemical Toxicology]
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種別 | 必須 | 学術論文(審査論文) | |||
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言語 | 必須 | 英語 | |||
招待 | 推奨 | ||||
審査 | 推奨 | Peer Review | |||
カテゴリ | 推奨 | 教育 | |||
共著種別 | 推奨 | 国内共著(徳島大学内研究者と国内(学外)研究者との共同研究 (国外研究者を含まない)) | |||
学究種別 | 推奨 | 学士課程学生による研究報告 | |||
組織 | 推奨 |
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著者 | 必須 | ||||
題名 | 必須 |
(英) Change in plasma membrane potential of rat thymocytes by tert-butylhydroquinone, a food additive: Possible risk on lymphocytes |
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副題 | 任意 | ||||
要約 | 任意 |
(英) Tertiary butylhydroquinone (TBHQ) is a food additive and has various beneficial actions under in vitro and in vivo experimental conditions. Therefore, it is necessary to collect additional data on the toxicity of TBHQ in order to avoid adverse effects during clinical applications. Changes in plasma membrane potential are associated with changes in physiological functions even in non-excitable cells such as lymphocytes. Thus, compounds that affect membrane potential may modify some lymphocytic functions. The effect of TBHQ on plasma membrane potential was examined in rat thymocytes using flow cytometric techniques. Treatment of rat thymocytes with TBHQ caused hyperpolarization and then depolarization. The TBHQ-induced hyperpolarization was due to the activation of Ca2+-dependent K+ channels. TBHQ elevated intracellular Ca2+ levels. The depolarization by TBHQ was caused by a nonspecific increase in membrane ionic permeability. Both the sustained depolarization and elevation of intracellular Ca2+ level by TBHQ are thought to be adverse for thymocytes because such changes disturb membrane and intracellular signaling. The thymus is most active during neonatal and pre-adolescent periods. If TBHQ exerts adverse actions on thymocytes, it may result in an immunotoxic effect in neonates and adolescents. |
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キーワード | 推奨 |
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発行所 | 推奨 | Elsevier Science | |||
誌名 | 必須 |
Food and Chemical Toxicology(British Industrial Biological Research Association)
(pISSN: 0278-6915, eISSN: 1873-6351)
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巻 | 必須 | 109 | |||
号 | 必須 | 1 | |||
頁 | 必須 | 296 301 | |||
都市 | 任意 | アムステルダム(Amsterdam/[オランダ王国]) | |||
年月日 | 必須 | 2017年 0月 初日 | |||
URL | 任意 | http://www.sciencedirect.com/science/article/pii/S0278691517305276 | |||
DOI | 任意 | 10.1016/j.fct.2017.09.017 (→Scopusで検索) | |||
PMID | 任意 | 28899772 (→Scopusで検索) | |||
CRID | 任意 | ||||
WOS | 任意 | ||||
Scopus | 任意 | 2-s2.0-85029351916 | |||
機関リポジトリ | 111984 | ||||
評価値 | 任意 | ||||
被引用数 | 任意 | ||||
指導教員 | 推奨 | ||||
備考 | 任意 |