JP7068677B2 - 疾患の処置におけるマクロアザピリジノファン金属錯体の使用 - Google Patents
疾患の処置におけるマクロアザピリジノファン金属錯体の使用 Download PDFInfo
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- JP7068677B2 JP7068677B2 JP2019566732A JP2019566732A JP7068677B2 JP 7068677 B2 JP7068677 B2 JP 7068677B2 JP 2019566732 A JP2019566732 A JP 2019566732A JP 2019566732 A JP2019566732 A JP 2019566732A JP 7068677 B2 JP7068677 B2 JP 7068677B2
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Description
健康な個体からの2系統の線維芽細胞(対照C1およびC2)およびラフォラ病患者からの3系統の線維芽細胞(L1およびL2ラフォリン欠損、M1マリン欠損)をテストした。
前述のように、LC3-IIタンパク質のレベルは、今日ではオートファジー活性の最良のバイオマーカーである。
研究1を、細胞株C1およびC2(健康な個体)、L1、L2およびM1(ラフォラ患者)において、5μMの金属錯体(II)での処理によりおよび処理を行うことなく実施した。
健康なヒト線維芽細胞、またはラフォリン(L1およびL2)およびマリン(M1)に変異を有するヒト線維芽細胞(3349Bおよび3348D)におけるLC3-IIのレベルを、1μM、5μMおよび10μM濃度(それぞれ、2、3および4として標識された)金属錯体(II)の非存在下(1として標識された)または存在下で試験した。ラパマイシンを陽性対照(5として標識された)として使用した。
この試験は、金属錯体(II)で処理された細胞におけるオートファジーのレベルを決定するために、GFP-LC3蛍光トランスフェクト細胞の研究とともに実施された。健康なヒト線維芽細胞およびラフォラ患者からの線維芽細胞を、6時間の間に0.5μgのpEGFP-LC3に一時的にトランスフェクトした。トランスフェクションの約24時間後、細胞の一部を6時間の間に5μMの金属錯体(II)で処理した。処置の最後の90分の間に、リソソーム阻害剤(0.2Mのロイペプチン+20mMのNH4CL)を添加した。
ヒト皮膚線維芽細胞における金属錯体(II)を用いたプロテアソームのキモトリプシン様活性化を示すためのインビトロ研究。結果は、対照に正規化された相対発光単位(RLU)で測定される。図3Bは、5μMの濃度での金属錯体(II)を用いた処理が、対照の未処理の初代ヒト皮膚線維芽細胞と比較した場合、プロテアソームのキモトリプシン様活性化を、64.0e16.0%(P値=0.0103)刺激することを示す。この研究は、また、トリアザピリジノファン中心構造を含むMn(II)錯体である、2Qでも行われたが、2Qにおけるキノロン複素環は、本明細書に開示される金属錯体におけるように4位によってではなく2位によって、トリアザピリジノファン中心構造に結合されている。図3Aに示されるように、前記化合物はプロテアソーム活性に対して有意な効果を示さなかった。
この研究は、金属錯体(II)の投与が、Caenorhabditis elegans(線虫)ハンチントン病モデルにおける神経感度(穏やかなタッチ感度)を改善するかどうかを評価するために実施された。
急性毒性を評価するために、3匹のマウスの4つの群に分けられた合計12匹のマウスに、インビボで金属錯体(II)を投与した。オスおよびメスマウスの体重は、それぞれ24~30gおよび17~22gであった。金属錯体(II)を、リン酸生理食塩水緩衝液(PBS)またはNaClO.9%とともに、マウスに経口投与した。
Claims (7)
- 不完全なオートファジーおよび/または不完全なプロテアソーム活性、あるいはそれらによる細胞内沈着物の蓄積に関連する疾患の処置のための薬物の製造における、一般式(I)の化合物および、Cu(II)、Fe(II)、Zn(II)またはMn(II)から選択される少なくとも1つの金属イオンを含む金属錯体の使用であって、
- 前記二価金属イオンは、Mn(II)である、請求項1に記載の使用。
- 前記疾患は、ラフォラ病、副腎白質ジストロフィーまたはハンチントン病から選択される、請求項1または2に記載の使用。
- 不完全なオートファジーおよび/または不完全なプロテアソーム活性、あるいはそれらによる細胞内沈着物の蓄積に関連する疾患の処置において使用するための、少なくとも1つの賦形剤または担体と一緒に、一般式(I)の化合物および、Cu(II)、Fe(II)、Zn(II)またはMn(II)から選択される少なくとも1つの金属イオンを含む有効量の金属錯体を含む組成物であって、
- 前記組成物は、第2の活性成分をさらに含む、請求項4に記載の使用のための組成物。
- 前記第2の活性成分は、メトホルミン、核酸、抗体、microRNA、抗酸化剤、ポリフェノール化合物、ドーパミン作動性阻害剤、コリンエステラーゼ阻害剤、リルゾールまたはクルクミンから独立して選択される、請求項5に記載の使用のための組成物。
- 前記疾患は、ラフォラ病、副腎白質ジストロフィーまたはハンチントン病から選択される、請求項4~6のいずれかに記載の使用のための組成物。
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US20120178730A1 (en) | 2009-09-21 | 2012-07-12 | Universitat De Valencia | Sod-imitating metal complexes |
WO2013087965A1 (es) | 2011-12-16 | 2013-06-20 | Universitat De Valencia | Compuestos macrocíclicos de tipo escorpiando y su uso como antiparasitarios |
JP2016528171A (ja) | 2013-05-24 | 2016-09-15 | クロノス セラピューティクス リミテッドChronos Therapeutics Limited | 神経細胞におけるタンパク質凝集体の沈着を特徴とする疾患の治療に使用するためのタクロリムス |
JP2017507179A (ja) | 2014-02-24 | 2017-03-16 | ユニバーシタット デ バレンシア | スーパーオキシドジスムターゼの金属錯体模倣物の食品薬剤および化粧品としての使用 |
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US9370508B2 (en) * | 2007-02-20 | 2016-06-21 | Novartis Ag | Imidazoquinolines as dual lipid kinase and mTOR inhibitors |
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WO2013087965A1 (es) | 2011-12-16 | 2013-06-20 | Universitat De Valencia | Compuestos macrocíclicos de tipo escorpiando y su uso como antiparasitarios |
JP2016528171A (ja) | 2013-05-24 | 2016-09-15 | クロノス セラピューティクス リミテッドChronos Therapeutics Limited | 神経細胞におけるタンパク質凝集体の沈着を特徴とする疾患の治療に使用するためのタクロリムス |
JP2017507179A (ja) | 2014-02-24 | 2017-03-16 | ユニバーシタット デ バレンシア | スーパーオキシドジスムターゼの金属錯体模倣物の食品薬剤および化粧品としての使用 |
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