JP2011500602A - N−アシルエタノールアミン−加水分解酸性アミダーゼを阻害する組成物及び方法 - Google Patents
N−アシルエタノールアミン−加水分解酸性アミダーゼを阻害する組成物及び方法 Download PDFInfo
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Abstract
Description
Aは、O又はSであり;BはO、S又はNRaであり;R1及びR2は、独立に、H、ハロゲン又は場合によっては置換される低級アルキルであり;nは、0から3の間の整数であり;Xは、O、S、C(O)、NRb、CHRbであるか又は存在せず;Yは、C(O)、C(S)又はCHRCであり;Zは、O、S、NRd又はCHRdであり;Vは、場合によっては置換される低級アルキル又は場合によっては置換される低級アルケニルであり;Wは、アリール、ヘテロアリール、シクロアルキル、シクロヘテロアルキル又はC(R3R4R5)であり、これらのそれぞれは場合によっては置換され得;ある態様においては、Y及びVは、5−又は6員環を形成し得;最も典型的には、Ra、Rb、RC及びRdは、H、場合によっては置換される低級アルキル又は場合によっては置換される低級チオアルキルからなる群から独立して選択され;R3、R4及びR5は、H、場合によっては置換される低級アルキル、場合によっては置換される低級アリール、場合によっては置換される低級シクロヘテロアルキル及び場合によっては置換される低級へテロアリールからなる群から独立して選択される。)。
本明細書中で一般に企図される化合物は、競合的、非競合的、アロステリック又はその他の様式でNAAAを阻害するのに有効である構造を有する。最も好ましくは、本発明による化合物は、比較的低い濃度でNAAAを阻害する(例えば50μM以下のIC50)。適切な選択肢の中でも、特に好ましい化合物は、式Iによる構造を有する:
Aは、O又はSであり;Bは、O、S又はNRaであり(Raは、H、アルキル、アルケニル、アルキニル、シクロアルキル、シクロアルケニル、ハロ、ニトロ、ヒドロキシ、アルコキシ、アルケニルオキシ、シアノ、カルボキシ、アルコキシカルボニル、カルボキシアルキル、アミノ、アシルアミノ、アルキルアミノ、ジアルキルアミノ、シクロアルキルアミノ、N−アルキル、N−シクロアルキル、アミノ、チオ、アルキルチオ及びハロアルキル(これらは全て、場合によっては置換され得る。)である。);nは0から3の間の整数であり、このように形成される飽和又は不飽和C1−3は、場合によっては及び独立した位置で、R1及びR2により置換され得、R1及びR2は、独立して、上記で定義されるとおりのRaであり;Qは、上記で定義されるとおりのRaであり;Xは、O、S、C(O)、NRb又はCHRbであり(Rbは、上記で定義されるRaであるか又は存在しない。);Yは、C(O)、C(S)又はCHRCであり(RCは、上記で定義されるRaであるか又は存在しない。);Zは、O、S、NRd又はCHRdであり(Rdは、上記で定義されるRaであるか又は存在しない。);Vは、場合によっては置換される低級アルキル又は場合によっては置換される低級アルキレンであるか又は存在せず;WはH、アリール、ヘテロアリール、シクロアルキル、シクロヘテロアルキル又はC(R3R4R5)であり、これらのそれぞれは場合によっては置換され得、R3、R4及びR5は、独立して、上記で定義されるRaであり;Y及びVは、場合によっては置換される5−、6−又は7−員環を場合によっては形成し得る。)。
Bは、O、S又はNRaであり(Raは、H、アルキル、アルケニル、アルキニル、シクロアルキル、シクロアルケニル、ハロ、ニトロ、ヒドロキシ、アルコキシ、アルケニルオキシ、シアノ、カルボキシ、アルコキシカルボニル、カルボキシアルキル、アミノ、アシルアミノ、アルキルアミノ、ジアルキルアミノ、シクロアルキルアミノ、N−アルキル、N−シクロアルキル、アミノ、チオ、アルキルチオ及びハロアルキル(これらの全ては場合によっては置換され得る。)である。);nは、0から3の間の整数であり、このように形成される飽和又は不飽和C1−3は、場合によっては及び独立した位置で、R1及びR2により置換され得、R1及びR2は、独立して、上記で定義されるとおりのRaであり;Qは上記で定義されるとおりのRaであり;Xは、O、S、C(O)、NRb又はCHRbであり(Rbは、上記で定義されるRaであるか又は存在しない。);Yは、C(O)、C(S)又はCHRCであり(RCは、上記で定義されるRaであるか又は存在しない。);Zは、O、S、NRd又はCHRdであり(Rdは上記で定義されるRaであるか又は存在しない。);Vは、場合によっては置換される低級アルキル又は場合によっては置換される低級アルキレンであるか又は存在せず;Wは、H、アリール、ヘテロアリール、シクロアルキル、シクロヘテロアルキル又はC(R3R4R5)であり、これらのそれぞれは場合によっては置換され得、R3、R4及びR5は、独立して、上記で定義されるとおりのRaであり;Y及びVは、場合によっては置換される5−、6−又は7−員環を場合によっては形成し得る。)。
NAEの異常レベル(例えば、対応する試験部位での健常者における平均PEAレベルに対して少なくとも10%の逸脱)が付随する何らかの状態及び/又は疾患に影響を与えるために、又は、特定の目的のために、このような化合物の正常レベルの調節が所望される場合、本発明による化合物及び組成物が使用され得ることが通常企図される。従って、及び異なる側面から見ると、企図される化合物は、パルミトイルエタノールアミドレベルの上昇が治療上所望される、疾患又は状態の治療のために使用され得る。従って、特に企図される状態及び疾患には、NAEの変化に感受性のあるものが含まれる。例えば、企図される化合物及び組成物は、疼痛、炎症、癌及び代謝性疾患の予防及び/又は治療において有用であり得る。さらに企図される疾患には、神経系の疾患、特に神経の炎症、アルツハイマー病、喘息、皮膚炎、過敏性腸症候群(IBS)、クローン病及び食欲障害に関するものが含まれる。
光延反応において環状化させたN−Boc−L−セリン(1)からURB783を調製して2を得て、それを脱保護及び塩化処理(salification)することによってトシレート3を得た。後者の化合物を3−フェニルプロピオニルクロリドと反応させて、URB783を得た。次に、3と4−ビフェニルカルボニルクロリド(塩化オキサリルで4−フェニル安息香酸を処理することにより得られた。)との間の反応の結果、URB894を得た。
NAAAは、コロイルグリシンヒドロラーゼファミリーに属し、これは、Ntn(N−末端求核試薬)アミノヒドロラーゼスーパーファミリーのサブグループである。これらの酵素は、直鎖状アミドの切断に特化しており、それらのアミノ酸配列の第一の位置にシステイン、セリン又はスレオニン(触媒的攻撃に関与する求核試薬として作用する。)を有する。NAAAの場合、求核残基はおそらくCys131であると思われる。実験的証拠から、ネイティブNAAAタンパク質が、その他のNtnヒドロラーゼで一般に観察される事象である、最初の130残基のタンパク質分解性切断を含む成熟プロセスを受け、232アミノ酸のタンパク質(Cys131がN−末端となる。)がもたらされることが示唆される。
基質として、0.1%Triton X−100、3mMジチオスレイトール(DTT)及び50mMヘプタデセノイルエタノールアミドを含有するリン酸水素ナトリウム緩衝液(50mM、pH5.0)0.2mL中で37℃で30分間、組み換えNAAA又はネイティブラット肺NAAAを温置した。ヘプタデカノン酸1nmol(HDA、NuChek Prep、Elysian、MN)を含有する0.2mL冷メタノールの添加により反応を終了させた。LC/MS(液体クロマトグラフィー/質量分析)により試料を分析した。95%メタノール及び5%水(両方とも、0.25%酢酸及び5mM酢酸アンモニウムを含有する。)の溶媒混合液を用い、定組成で2.2mL/分で1分間、XDB Eclipse C18カラムにおいて、ヘプタデカノイン酸を溶出した。カラム温度は50℃であった。ESIはネガティブモードであり、キャピラリー電圧は4kVであり、フラグメンター電圧は100Vであった。13L/分の流速及び350℃の温度で、乾燥ガスとしてN2を使用した。ネブライザー圧は60psiに設定した。内部標準としてヘプタデカノイン酸を用いて[M−H]−をSIMモードで監視した。市販のヘプタデカノイン酸を用いて較正曲線を作成した(Nu−Chek Prep、m/z=267)。
脊髄損傷(SCI)モデルにおいて、4レベルのT5−T8椎弓切除を介して曝露された脊髄の切片の硬膜外圧迫により、SCIから24時間後にマウスから回収した脊髄組織の白質−灰白質の、炎症細胞においてならびにシュワン細胞の核において、iNOS発現が実質的に上昇した。偽手術マウスから得られた脊髄ではiNOS染色は検出されなかった。SCI後のNAAA阻害剤URB783の投与により、iNOSならびに、プロテアーゼ活性化受容体(PAR)、ニトロチロシン、Fas−リガンド、Bax、Bcl−2及び末端デオキシヌクレオチジルトランスフェラーゼ−介在UTP末端標識(TUNEL)を含む、このモデルにより誘導される炎症及び細胞アポトーシスのその他のマーカーの発現が顕著に低下した。代表的な実験プロトコールは下記に記載する。
Claims (18)
- 式Iによる化合物及び医薬的に許容可能な担体を含む、パルミトイルエタノールアミドの低レベルを付随するか又はパルミトイルエタノールアミドレベルの上昇が治療上所望される状態の治療のための医薬組成物:
Aは、O又はSであり;Bは、O、S又はNRaであり;R1及びR2は、独立に、H、ハロゲン又は場合によっては置換される低級アルキルであり;nは、0から3の間の整数であり;Xは、O、S、C(O)、NRb、CHRbであるか又は存在せず;Yは、C(O)、C(S)又はCHRCであり;Zは、O、S、NRd又はCHRdであり;Vは、場合によっては置換される低級アルキル又は場合によっては置換される低級アルケニルであり;Wは、アリール、ヘテロアリール、シクロアルキル、シクロヘテロアルキル又はC(R3R4R5)であり;Y及びVは、場合によっては5−又は6員環を形成し得;
Ra、Rb、RC及びRdは、H、場合によっては置換される低級アルキル又は場合によっては置換される低級チオアルキルからなる群から独立して選択され;
R3、R4及びR5は、独立して、H、場合によっては置換される低級アルキル、場合によっては置換される低級アリール、場合によっては置換される低級シクロヘテロアルキル又は場合によっては置換される低級へテロアリールである。)。 - A及びBがOである、請求項1に記載の医薬組成物。
- XがNRbであり、YがC(O)又はC(S)である、請求項1に記載の医薬組成物。
- ZがO又はCHRdであり、Vが低級アルキルであり、Wがアリール又は低級アルキルである、請求項2又は請求項3に記載の医薬組成物。
- nが1であり、R1がHであり、R2が低級アルキルである、請求項2又は請求項3に記載の医薬組成物。
- AがOであり、BがO又はNRaであり、XがNRbであり、YがC(O)又はC(S)である、請求項1に記載の医薬組成物。
- Wがアリール又は低級アルキルである、請求項6に記載の医薬組成物。
- 請求項1に従う式Iによる化合物を含む医薬組成物を投与することを含む、パルミトイルエタノールアミドの低レベルが付随するか又はパルミトイルエタノールアミドレベルの上昇が治療上所望される状態を有する患者を治療する方法。
- パルミトイルエタノールアミドの低レベルが付随する状態が炎症性要素を含み、組成物の投与が患者において炎症を軽減させる、請求項8に記載の方法。
- 状態が、関節リウマチ、変形性関節症、喘息、アレルギー性皮膚炎、乾癬、炎症性腸疾患又は脊髄損傷である、請求項8に記載の方法。
- AがOであり、BがO又はNRaであり、XがNRbであり、YがC(O)又はC(S)である、請求項8に記載の方法。
- ZがO又はCHRdであり、Vが低級アルキルであり、Wがアリール又は低級アルキルである、請求項11に記載の方法。
- Wがアリール又は低級アルキルである、請求項11に記載の方法。
- 式Iによる化合物とN−アシルエタノールアミン−加水分解酸性アミダーゼ(NAAA)を接触させることを含む、N−アシルエタノールアミン−加水分解酸性アミダーゼ(NAAA)の阻害の方法:
Aは、O又はSであり;Bは、O、S又はNRaであり;R1及びR2は、独立に、H、ハロゲン又は場合によっては置換される低級アルキルであり;nは、0から3の間の整数であり;Xは、O、S、C(O)、NRb、CHRbであるか又は存在せず;Yは、C(O)、C(S)又はCHRCであり;Zは、O、S、NRd又はCHRdであり;Vは、場合によっては置換される低級アルキル又は場合によっては置換される低級アルケニルであり;Wは、アリール、ヘテロアリール、シクロアルキル、シクロヘテロアルキル又はC(R3R4R5)であり;Y及びVは、場合によっては5−又は6員環を形成し得;
Ra、Rb、RC及びRdは、H、場合によっては置換される低級アルキル又は場合によっては置換される低級チオアルキルからなる群から独立して選択され;
R3、R4及びR5は、独立して、H、場合によっては置換される低級アルキル、場合によっては置換される低級アリール、場合によっては置換される低級シクロヘテロアルキル又は場合によっては置換される低級へテロアリールである。)。 - AがOであり、BがO又はNRaであり、XがNRbであり、YがC(O)又はC(S)である、請求項14に記載の方法。
- ZがO又はCHRdであり、Vが低級アルキルであり、Wがアリール又は低級アルキルである、請求項15に記載の方法。
- 接触させる段階が、化合物の局所投与、化合物のエアロゾル投与又は化合物の髄膜注射を用いてインビボで行われる、請求項14に記載の方法。
- 化合物が20μM未満のIC50でNAAAを阻害する、請求項14に記載の方法。
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US10364242B2 (en) | 2017-11-03 | 2019-07-30 | Fondazione Istituto Italiano Di Tecnologia | Modulation of N-acylethanolamine-hydrolysing acid amidase (NAAA) for disease treatment |
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