JP2010051327A - 受容器電位誘発剤のための有機色素化合物のスクリーニング方法 - Google Patents
受容器電位誘発剤のための有機色素化合物のスクリーニング方法 Download PDFInfo
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Abstract
【解決手段】 カルシウムイオン存在下、カルシクルジンの非存在下で、蛍光カルシウム指示薬を含有する培養液中で孵卵の網膜細胞を培養する系を用いて、視神経において、光刺激に応じた受容器電位を誘発する、受容器電位誘発剤のための有機色素化合物のスクリーニング方法とその用途を提供することによって前記課題を解決するものである。
【選択図】 なし
Description
いずれもポリメチン系の有機色素化合物である、表1に示す4種類の化合物につき、一戸裕子編集、『実験医学』、1989年4月5日、株式会社羊土社発行、第7巻、第6号に記載された細胞内カルシウム実験法に準じて受容器電位誘発能の有無を調べた。なお、化学式14乃至化学式17で表される有機色素化合物は、株式会社林原生物化学研究所から、それぞれ、商品名『NK−2761』、『NK−5962』、『NK−3041』及び『NK−3630』で販売されている。
Claims (2)
- 同一分子内において、可視領域に吸収極大を与えるエチレン性共役二重結合、芳香性二重結合、及び/又は、アゾ結合を有し、かつ、網膜細胞の維持に好適な水性媒体に対して親和性を示す、イミニウム基、ヒドロシキ基、及び/又は、有機酸基を有するとともに、可視光を吸収する有機色素化合物の中から、視神経において、光刺激に応じた受容器電位を誘発する、受容器電位誘発剤のための有機色素化合物をスクリーニングする方法であって、当該方法は、カルシウムイオン存在下、カルシクルジンの非存在下で、蛍光カルシウム指示薬を含有する培養液中で孵卵の網膜細胞を培養する際、被験有機色素化合物を当該培養液中に共存させて、当該網膜細胞に可視光を照射したとき、光刺激に応じた受容器電位を誘発し、当該網膜細胞内にカルシウムイオンを流入させ、当該網膜細胞内に取り込まれた蛍光カルシウム指示薬から放出される蛍光の強度を上昇させ、かつ、当該被験有機色素化合物が、カルシウムイオン存在下、カルシクルジンの存在下では、蛍光の強度を上昇させないとき、当該被験有機色素化合物が、視神経において、光刺激に応じた受容器電位を誘発する、受容器電位誘発剤のための有機色素化合物であると判定することを特徴とする、視神経において、光刺激に応じた受容器電位を誘発する、受容器電位誘発剤のための有機色素化合物のスクリーニング方法。
- 請求項1に記載のスクリーニング方法により、視神経において、光刺激に応じた受容器電位を誘発する、受容器電位誘発剤のための有機色素化合物であると判定された有機色素化合物を結合させた、コラーゲン、ゼラチン、セルロース、ヒアルロン酸;デキストラン、セルロース、プルラン、ヘパリンの架橋物;及びシリコーン系、ポリアクリルアミド系、ポリアクリルニトリル系、ポリアクリレート系、ポリウレア系、ポリウレタン系、ポリエステル系、ポリエチレン系、ポリエチレンオキシド系、ポリエチレングリコール系、ポリカーボネート系、ポリカルバメート系、ポリ酢酸ビニル系、ポリヒドロキシアルキルメタクリレート系、ポリビニルアルコール系、ポリビニルピロリドン系、ポリメタクリレート系の重合体及び共重合体から選ばれる生体適合高分子。
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US10568839B2 (en) | 2011-01-11 | 2020-02-25 | Capsugel Belgium Nv | Hard capsules |
| US11319566B2 (en) | 2017-04-14 | 2022-05-03 | Capsugel Belgium Nv | Process for making pullulan |
| US11576870B2 (en) | 2017-04-14 | 2023-02-14 | Capsugel Belgium Nv | Pullulan capsules |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51122389A (en) * | 1975-04-02 | 1976-10-26 | Exxon Research Engineering Co | Photoelectric device |
| JPS53131782A (en) * | 1977-04-20 | 1978-11-16 | Exxon Research Engineering Co | Photoelectric device |
| JPS56130976A (en) * | 1980-03-17 | 1981-10-14 | Agency Of Ind Science & Technol | Photoelectric converter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51122389A (en) * | 1975-04-02 | 1976-10-26 | Exxon Research Engineering Co | Photoelectric device |
| JPS53131782A (en) * | 1977-04-20 | 1978-11-16 | Exxon Research Engineering Co | Photoelectric device |
| JPS56130976A (en) * | 1980-03-17 | 1981-10-14 | Agency Of Ind Science & Technol | Photoelectric converter |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US10568839B2 (en) | 2011-01-11 | 2020-02-25 | Capsugel Belgium Nv | Hard capsules |
| US11319566B2 (en) | 2017-04-14 | 2022-05-03 | Capsugel Belgium Nv | Process for making pullulan |
| US11576870B2 (en) | 2017-04-14 | 2023-02-14 | Capsugel Belgium Nv | Pullulan capsules |
| US11878079B2 (en) | 2017-04-14 | 2024-01-23 | Capsugel Belgium Nv | Pullulan capsules |
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