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A novel in vivo corneal trans-epithelial electrical resistance measurement device
http://hdl.handle.net/10069/35853
http://hdl.handle.net/10069/3585328445ef3-c5c9-4c9b-bd0f-ba80192b0a2f
名前 / ファイル | ライセンス | アクション |
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JPTM76_65.pdf (3.1 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2016-12-01 | |||||
タイトル | ||||||
タイトル | A novel in vivo corneal trans-epithelial electrical resistance measurement device | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Barrier function | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Corneal epithelium | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Toxicity | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Uematsu, Masafumi
× Uematsu, Masafumi× Mohamed, Yasser Helmy× Onizuka, Naoko× Ueki, Ryotaro× Inoue, Daisuke× Fujikawa, Azusa× Kitaoka, Takashi |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Purpose: To develop a device that is capable of easily measuring corneal transepithelial electrical resistance (TER) and changes in the corneal barrier function. Methods: We had previously developed an in vivo method for measuring corneal TER using intraocular electrode. This method can be used to precisely measure the decline of the corneal barrier function after instillation of benzalkonium chloride (BAC). In order to lessen the invasiveness of that procedure, we further refined the method for measuring the corneal TER by developing electrodes that could be placed on the cornea and in the conjunctival sac instead of inserting them into the anterior chamber. TER was then calculated by subtracting the electrical resistance, which lacked the corneal epithelial input, from the whole electrical resistance that was measured between the electrodes. Slit lamp examination and scanning electron microscopy (SEM) were used to determine safety of the new device. Corneal TER changes after exposure to 0.02% BAC were determined using the new device as well as SEM and transmission electron microscopy (TEM). Results: Slit lamp examination before and after exposure of rabbits' corneas to the sensor confirmed safety of the device. SEM examination revealed no difference of the corneal epithelium which exposed to the new device with normal corneas. SEM and TEM pictures revealed damaged microvilli and tight junctions after instillation of 0.02% BAC. TER change after treatment with 0.02%BAC was similar to those determined by the established anterior chamber method. Conclusion: We succeeded to develop a less invasive device for corneal TER measurement in vivo in animals. This new device may be applicable in the future for clinical use in humans. | |||||
書誌情報 |
Journal of Pharmacological and Toxicological Methods 巻 76, p. 65-71, 発行日 2015-11 |
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出版者 | ||||||
出版者 | Elsevier Inc. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 10568719 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.vascn.2015.08.153 | |||||
権利 | ||||||
権利情報 | c 2015 Elsevier Inc. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Journal of Pharmacological and Toxicological Methods, 76, pp.65-71; 2015 |