JP4837249B2 - ニトロチロシン生成阻害剤・ペルオキシナイトライト阻害剤 - Google Patents
ニトロチロシン生成阻害剤・ペルオキシナイトライト阻害剤 Download PDFInfo
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- JP4837249B2 JP4837249B2 JP2003412935A JP2003412935A JP4837249B2 JP 4837249 B2 JP4837249 B2 JP 4837249B2 JP 2003412935 A JP2003412935 A JP 2003412935A JP 2003412935 A JP2003412935 A JP 2003412935A JP 4837249 B2 JP4837249 B2 JP 4837249B2
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- peroxynitrite
- inhibitor
- ischemia
- acid
- thioproline
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- 239000003112 inhibitor Substances 0.000 title claims description 18
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- 238000004519 manufacturing process Methods 0.000 title claims description 7
- CMFNMSMUKZHDEY-UHFFFAOYSA-N peroxynitrous acid Chemical compound OON=O CMFNMSMUKZHDEY-UHFFFAOYSA-N 0.000 title claims 2
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- DZLNHFMRPBPULJ-VKHMYHEASA-N L-thioproline Chemical compound OC(=O)[C@@H]1CSCN1 DZLNHFMRPBPULJ-VKHMYHEASA-N 0.000 claims description 14
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- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Thiazole And Isothizaole Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Description
により生ずる局所の変化は、虚血の持続時間、虚血 に対する組織の感受性、あるいはその部位での血管吻合の有無によって異なるが、一般に虚血
領域の細胞や組織に酸素欠乏と栄養障害 をもたらす。
とは、虚血に陥った臓器への血流再開に伴う再灌流による臓器の細胞や組織に生じる障害のことである。脳や心筋、肺、肝、腎、膵、消化管などの虚血後の障害
発生機序としては、主に好中球やマクロファージなどの貪食細胞、血管内皮細胞などにより産生される活性酸素の発生、ロイコトリエン、トロンボキサンの生成、脂質・糖の過酸化、タンパク質の変性、酵素の不活性化、DNA鎖の切断、核酸塩基の修飾などが組織障害 の原因の一つと考えられている。
P.Wang & J.I.Zweier、J.Biol.Chem.、271、29230−29233(1996)
吉村哲彦編、生体内一酸化窒素(NO)実験プロトコール、共立出版、p167−173(2000)
の検索を行った。
構造式は図2に示す。
被検試料溶液1mLと1mMチロシン/100mリン酸緩衝液1mLにFe(III)−EDTA 溶液(最終濃度20μM)、次いでペルオキシナイトレート(最終濃度1mM)を加え、室温下、5分間インキュベートを行い、吸光度(425nm)又はHPLCにて分析を行なった。水に対する溶解性は1gずつ試料を追加し、溶解しなくなった時点で、ろ過を行い、次いで水を減圧下、留去し、残分の重量から溶解度を測定した。
<HPLC分析条件>
分離管:ODSカラム
溶出液:10mMリン酸緩衝液/アセトニトリル=(9:1)
流速:1.0mL/min付近の一定量
検出器:UV274nm or 425nm
対象化合物を0.1%含む生理食塩水溶液を作成し、60℃で0、2、4、8、20時間放置したものを試料溶液とした。試料溶液100μLを取り、精製水900μL加え、そこへエルマン試薬(5,5’-ジチオビス(2-ニトロ安息香酸)(DTNB)を0.05Mリン酸緩衝液(pH7.0)に0.01Mとなるように溶解した)50μLを加え、よく攪拌し、吸光度(412nm)を測定した。
(重量%)
D-ペニシラミン 0.05
ポリソルベート80 0.5
塩化ナトリウム 0.80
注射用水 残部
上記成分を60℃で加温溶解した後、室温に戻し、無菌ろ過し、さらにガラス製のアンプルに10mLずつ充填した。
チオプロリン 5.0
チオ安息香酸 5.0
塩化ナトリウム 50.0
デキストリン 40.0
上記成分を攪拌機で、均一になるように混合した。
(重量%)
チオウラシル 1.0
チオプロリン 2.0
乳糖 67.0
デキストリン 15.0
結晶セルロース 5.0
軽質無水ケイ酸 5.0
ヒドロキシプロピルセルロース 3.0
ステアリン酸マグネシウム 2.0
チオウラシル、チオプロリン、乳糖、デキストリン、結晶セルロース及び軽質無水ケイ酸を混合し、ヒドロキシプロピルセルロースの10%エタノール溶液を加えて混練造粒し、顆粒を調製し、乾燥したのちステアリン酸マグネシウムを加えて、圧縮成型して500mgの錠剤とした。
Claims (2)
- チオプロリンからなるニトロチロシン生成阻害剤(但し、心筋梗塞に起因する虚血・再灌流障害抑制剤を除く)。
- チオプロリンからなるペルオキシナイトライト阻害剤(但し、心筋梗塞に起因する虚血・再灌流障害抑制剤を除く)。
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ES2848860T3 (es) | 2014-09-02 | 2021-08-12 | Katsuhisa Kitano | Método de esterilización, preparación para la esterilización y dispositivo para la producción de líquido bactericida |
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