JP2007016002A - 歯周病菌プロテアーゼ阻害剤、並びにこれを用いた口腔組成物及び食料品 - Google Patents
歯周病菌プロテアーゼ阻害剤、並びにこれを用いた口腔組成物及び食料品 Download PDFInfo
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Abstract
【解決手段】本発明の歯周病菌プロテアーゼ阻害剤は、副作用等の心配のない古くから用いられ、天然物であるイネ科植物由来のタンパク質を有効成分として含有しているため、安全性に優れ、且つジンジパインを阻害するので歯周病の治療や予防に有用である。また、本発明の歯周病菌プロテアーゼ阻害剤を医療用途のみならず、機能性食品成分としても用いることができる。
【選択図】なし
Description
(オリザシスタチン−Iならびにオリザシスタチン−IIIをコードするcDNAの単離)コシヒカリのカルスから抽出したRNAを用いて、オリザシスタチン−Iとオリザシスタチン−IIIをコードするcDNAをPCRクローニングにより取得した。増幅反応にはTaKaRa One Step RNA PCR Kit(タカラバイオ製)を利用した。オリザシスタチン-I cDNAのクローニングに用いたプライマーは5’−ATGTCGAGCGACGGAGGGCC−3’と5’−GATGGGCCTTAGGCATTTGC−3’、オリザシスタチン−III cDNA用のプライマーは、5’−ATGGCCGAGGAGGCGCAGAG−3’と5’−CTATGTACGTTTAGGCGGTG−3’である。PCR増幅産物は、TA cloning Kit(インビトロジェン製)によりpCR2.1にサブクローニングした。
(オリザシスタチン−IIをコードする発現プラスミドの構築)Factor Xa認識部位をN末に付加したオリザシスタチン-II cDNAを、オリザシスタチン-III cDNAをテンプレートとするPCR反応により合成した。そのために用いたプライマーは5’− GGATCCATCGAAGGTCGTATGGCCGAGGAGGCGCAGAGCCACGCGCGTGAAGGTGGGCGGCATCCACGACAGCCGGCCGGGCGCGAGA−3’と5’− TTAGGCGGTGGCGTCGTCGAGGGGCTTGAAATCC−3’である。PCR増幅断片はTA cloning Kit(インビトロジェン製)によりpCR2.1にサブクローニングした。制限酵素で切断後、Factor Xa認識部位を付加したオリザシスタチン−II配列はpGEX-6P-2(アマシャムバイオサイエンス製)のGSTコーディング領域の下流に挿入した。
(酵素標品の調製)Porphyromonas gingivalis JCM8525を、5%ウシ胎児血清を添加したKGB培地で波長600nmにおける吸光度が2.1に達するまで培養し、遠心分離(10,000rpm、10分間)で菌体を集めた。次いで、菌体を50mM Tris−HCl(1mM CaCl2を含む、pH7.4)に懸濁し、超音波処理によって菌体を破砕した後、固形分を遠心分離で除去した。回収した破砕上清をRgp(アルギニン特異的システインプロテアーゼ)並びにKgp(リジン特異的システインプロテアーゼ)測定の酵素標品として使用した。
Claims (4)
- イネ科植物由来のタンパク質を有効成分として含有することを特徴とする歯周病菌プロテアーゼ阻害剤。
- 前記イネ科植物由来のタンパク質が、イネに含まれるタンパク質、イネ由来のオリザシスタチン又はそれらの部分ペプチドのうちの少なくとも1つからなることを特徴とする請求項1記載の歯周病菌プロテアーゼ阻害剤。
- 請求項1又は2記載の歯周病菌プロテアーゼ阻害剤を含有することを特徴とする口腔用組成物。
- 請求項1又は2記載の歯周病菌プロテアーゼ阻害剤を含有することを特徴とする食料品。
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| JP2005201356A JP2007016002A (ja) | 2005-07-11 | 2005-07-11 | 歯周病菌プロテアーゼ阻害剤、並びにこれを用いた口腔組成物及び食料品 |
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| JP2005201356A JP2007016002A (ja) | 2005-07-11 | 2005-07-11 | 歯周病菌プロテアーゼ阻害剤、並びにこれを用いた口腔組成物及び食料品 |
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| JP2007016002A true JP2007016002A (ja) | 2007-01-25 |
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| JP (1) | JP2007016002A (ja) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2009084161A (ja) * | 2007-09-27 | 2009-04-23 | Niigata Prefecture | プロテアーゼ阻害剤ならびに抗菌剤 |
| JP2011101634A (ja) * | 2009-11-12 | 2011-05-26 | Nippon Suisan Kaisha Ltd | 魚肉練り製品のゲル強度増強方法及びゲル強度増強用添加物 |
| WO2011115225A1 (ja) * | 2010-03-17 | 2011-09-22 | 国立大学法人 鹿児島大学 | 歯周病特異的ペプチド、並びにそれを用いた歯周病の治療および診断 |
| WO2012113037A1 (en) * | 2011-02-25 | 2012-08-30 | The University Of Melbourne | Method for inhibiting proteins |
| JP2017019763A (ja) * | 2015-07-15 | 2017-01-26 | 学校法人常翔学園 | プロリルトリペプチジルペプチダーゼ阻害剤 |
| JP2018538534A (ja) * | 2015-12-09 | 2018-12-27 | エフ.ホフマン−ラ ロシュ アーゲーF. Hoffmann−La Roche Aktiengesellschaft | 多量体抗原に結合するヒトIgG1を直接的に親和性測定する方法 |
| WO2020167152A1 (en) * | 2019-02-15 | 2020-08-20 | RAPAK, Andrzej Marek | Inhibitors of cysteine peptidases isolated from natural raw materials and use of the inhibitors in medicine and veterinary medicine |
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| JP2004143127A (ja) * | 2002-08-30 | 2004-05-20 | Ito En Ltd | 病原性システインプロテアーゼ活性阻害剤 |
| WO2004106541A1 (ja) * | 2003-05-30 | 2004-12-09 | Kyushu Tlo Company, Limited | 歯周病マーカー |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004143127A (ja) * | 2002-08-30 | 2004-05-20 | Ito En Ltd | 病原性システインプロテアーゼ活性阻害剤 |
| WO2004106541A1 (ja) * | 2003-05-30 | 2004-12-09 | Kyushu Tlo Company, Limited | 歯周病マーカー |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009084161A (ja) * | 2007-09-27 | 2009-04-23 | Niigata Prefecture | プロテアーゼ阻害剤ならびに抗菌剤 |
| JP2011101634A (ja) * | 2009-11-12 | 2011-05-26 | Nippon Suisan Kaisha Ltd | 魚肉練り製品のゲル強度増強方法及びゲル強度増強用添加物 |
| WO2011115225A1 (ja) * | 2010-03-17 | 2011-09-22 | 国立大学法人 鹿児島大学 | 歯周病特異的ペプチド、並びにそれを用いた歯周病の治療および診断 |
| WO2012113037A1 (en) * | 2011-02-25 | 2012-08-30 | The University Of Melbourne | Method for inhibiting proteins |
| JP2017019763A (ja) * | 2015-07-15 | 2017-01-26 | 学校法人常翔学園 | プロリルトリペプチジルペプチダーゼ阻害剤 |
| JP2018538534A (ja) * | 2015-12-09 | 2018-12-27 | エフ.ホフマン−ラ ロシュ アーゲーF. Hoffmann−La Roche Aktiengesellschaft | 多量体抗原に結合するヒトIgG1を直接的に親和性測定する方法 |
| US12287335B2 (en) | 2015-12-09 | 2025-04-29 | Hoffmann-La Roche Inc. | Direct affinity measurement of human IgG1 binding multimeric antigens |
| WO2020167152A1 (en) * | 2019-02-15 | 2020-08-20 | RAPAK, Andrzej Marek | Inhibitors of cysteine peptidases isolated from natural raw materials and use of the inhibitors in medicine and veterinary medicine |
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