JP2019512463A - 皮膚細胞分化促進用組成物及び皮膚細胞分化促進物質のスクリーニング方法 - Google Patents
皮膚細胞分化促進用組成物及び皮膚細胞分化促進物質のスクリーニング方法 Download PDFInfo
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Abstract
Description
アトピー患者と正常なヒトの皮膚組織からJAB−1の発現程度を確認した。アトピー患者の皮膚組織は中央大学校の皮膚科から得た。
角化細胞はロンザ社から購入した。各細胞は、CO2培養器(CO2 incubator)で37℃、5%CO2条件下で培養した。細胞培養は、ロンザ社の指針書に従って行った。500mlのKGM−2(Clonetics CC−3103)培地にKGM−2ブレットキット(Bullet kit:BPE(Bovine pituitary extract)2ml、hEGF(human epidermal growth factor)0.5ml、インスリン(Insulin)0.5ml、ヒドロコルチゾン(Hydrocortisone)0.5ml、トランスフェリン(Transferrin)0.5ml、エピネフリン(Epinephrine)0.5ml、及びゲンタマイシン硫酸+アムホテリシン−B(Gentamycin Suflate+Amphofericin−B:GA−1000)0.5mlを添加して用いた。前記皮膚角質細胞を60mmの培養皿に70〜80%の密度(confluency)になるまで培養した後、炎症性サイトカインであるIL−6(10nM/ml)を処理時におけるJAB−1の結合タンパク質であるS100A7の発現量とJAB−1の発現量を知るために、S100A7の場合、S100A7の抗体を用いて免疫染色を行い(図2a及び図2b)、JAB−1の場合、細胞に対してウェスタンブロットを行った(図3)。
IL−6を実施例2と同法にて処理し、JAB−1遺伝子のsiRNA(50nM、ダーマコン社から購入、商品名:ON−TARGET plus siRNA Reagents)を、リポフェクタミンを用いてトランスフェクションして、JAB−1をノックダウンさせた後、S100A7の核内側への移動の有無を観察した。
実施例3と同法にてIL−6を処理し、JAB−1をノックダウンさせた後、表皮分化マーカーであるケラチン1とケラチン10のmRNA発現程度を測定した。その結果、JAB−1をノックダウンさせた場合、ケラチン1及びケラチン10のmRNAの発現量がより高くなるということと、JAB−1をノックダウンさせた条件ではIL−6による表皮分化マーカーの発現低減が回復することを確認することができた(図5)。
実施例3と同様、JAB−1をノックダウンさせてから2日後に対照群(Non−targeting RNA、50nM)と比較のために、培養後培地を除去し、トリゾール(Trizol)(Invitrogen社製を使用)1mlを添加して、invitrogen社のRNA分離法によってRNAを分離した。紫外線検出器(HEWLETT PACKARD)を利用して260nmでRNAを定量した後、RT−PCR(Reverse transcription−polymerase chain reaction)を実施した。各サンプルに対する遺伝子分析のために、相補的な遺伝子であるRPL13Aを基準に補正した。
下記の表2に記載の組成に従い、通常の方法にて栄養化粧水を製造することができる。
下記の表3に記載の組成に従い、通常の方法にて栄養ローションを製造することができる。
下記の表4に記載の組成に従い、通常の方法にて栄養クリームを製造することができる。
下記の表5に記載の組成に従い、通常の方法にてパックを製造することができる。
下記の表6に記載の組成に従い、通常の方法にて軟膏を製造することができる。
下記の表7に記載の組成に従い、通常の方法にて注射剤を製造することができる。
Claims (16)
- JAB−1(Jun activator binding−1)の発現または活性抑制物質を有効成分として含む、皮膚細胞分化促進用組成物。
- 前記JAB−1の発現または活性抑制物質は、RNA核酸分子である、請求項1に記載の皮膚細胞分化促進用組成物。
- 前記RNA核酸分子は、JAB−1のmRNAに結合するsiRNA、shRNA、及びmiRNAの一つ以上を含む、請求項2に記載の皮膚細胞分化促進用組成物。
- 当該組成物は、ソリアシン(psoriasin)の細胞核内への移動を抑制する、請求項1に記載の皮膚細胞分化促進用組成物。
- 前記皮膚細胞は、角化細胞である、請求項1に記載の皮膚細胞分化促進用組成物。
- 当該組成物は、皮膚細胞分化促進による皮膚保湿、皮膚バリア機能強化、またはアトピー緩和若しくは治療用組成物である、請求項1に記載の皮膚細胞分化促進用組成物。
- 前記 JAB−1の発現または活性抑制物質は、0.1nM〜100nMの濃度で含まれる、請求項1に記載の皮膚細胞分化促進用組成物。
- 前記JAB−1の発現または活性抑制物質は、組成物の総重量を基準に、0.0001〜30質量%で含まれる、請求項7に記載の皮膚細胞分化促進用組成物。
- 当該組成物は、薬学的組成物、化粧料組成物、または健康食品組成物である、請求項1〜8のいずれか一項に記載の組成物。
- 皮膚細胞に試験物質を処理するステップ;及び
試験物質を処理した皮膚細胞から、試験物質の処理前後におけるJAB−1(Jun activator binding−1)の相対的発現程度を確認するステップを含む、皮膚細胞分化促進物質のスクリーニング方法。 - 当該スクリーニング方法は、試験物質の処理前後におけるケラチン1及びケラチン10の一つ以上の相対的発現程度を確認するステップをさらに含む、請求項10に記載の皮膚細胞分化促進物質のスクリーニング方法。
- 前記皮膚細胞は、角化細胞である、請求項10に記載の皮膚細胞分化促進物質のスクリーニング方法。
- 当該スクリーニング方法は、皮膚細胞分化促進による、皮膚バリア機能強化、皮膚保湿、またはアトピー緩和若しくは治療用物質のスクリーニング方法である、請求項10に記載のスクリーニング方法。
- 角化細胞;及び指示書を含み、
指示書には請求項10〜13のいずれか一項の方法が記載されている、皮膚細胞分化促進物質のスクリーニングキット。 - JAB−1(Jun activator binding−1)に特異的に結合する抗体を含む、皮膚バリア機能、皮膚保湿能、またはアトピー皮膚の診断用組成物。
- JAB−1(Jun activator binding−1)に特異的に結合する抗体を含む、皮膚バリア機能、皮膚保湿能、またはアトピー皮膚の診断用キット。
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PCT/KR2017/002211 WO2017171249A1 (ko) | 2016-03-28 | 2017-02-28 | 피부 세포 분화 촉진용 조성물 및 피부 세포 분화 촉진 물질의 스크리닝 방법 |
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