JP2024500262A - フェニルアルキルカルバマート化合物を含むkca3.1チャネル介在性疾患治療用組成物 - Google Patents
フェニルアルキルカルバマート化合物を含むkca3.1チャネル介在性疾患治療用組成物 Download PDFInfo
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Abstract
Description
2-アミノ-3-フェニルプロピルカルバマート;
2-アミノ-3-(3-フルオロフェニル)プロピルカルバマート;
2-アミノ-3-(3,4-ジクロロフェニル)プロピルカルバマート;
2-アミノ-3-フェニルプロピルメチルカルバマート;
2-アミノ-3-フェニルプロピル(アミノカルボニル)カルバマート;
2-アミノ-3-(4-ヒドロキシフェニル)プロピルカルバマート;
2-アミノ-3-[3-(トリフルオロメチル)フェニル]プロピルカルバマートの中から選ばれたいずれか1つであることを特徴とする。
1-1)線維芽細胞の培養
ダルベッコ培地(Dulbecco’s Modified Eagle Medium,Hyclone,Logan,UT)で線維芽細胞(CRL-2795;American Type Culture Collection,VA)を培養した。すべての細胞は、5%二酸化炭素湿式条件で37℃に維持した。このように培養した線維芽細胞は、炎症誘発物質であるLPS(lipopolysaccharides)と、線維化誘発因子であるTGFβ、および本発明の構造式2~8化合物(以下、SF-2~SF-8化合物という)にそれぞれ24時間露出させた後、抗炎症および抗線維化効果の試験を行った。
本発明によるSF-2化合物の線維化抑制効果を確認するために、次のような実験を実施した。まず、C57BL/6野生型マウス(オリエンタルバイオ社から購入)を6~8匹ずつ3グループに分類して、それぞれ疾患誘発群と薬物投与群および正常対照群として使用した。各グループ別の試験対象マウスを次のように処理した。
本発明のSF-2化合物が肝炎症および線維化に及ぼす治療効果を確認するために、次の実験を実施した。まず、C57BL/6野生型マウス(オリエンタルバイオ社から購入)をそれぞれ6~8匹ずつ3グループに分類して、疾患誘発群と薬物投与群および正常対照群として使用した。各グループ別の試験対象マウスを次のように処理した。
前記マウスモデルから摘出した肺および肝組織をパラホルムアルデヒド溶液で固定させ、1~2mmの厚さに切断した。切断した組織をパラフィンに包埋し、4μmの厚さに切ってキシレンでパラフィンを除去した後、エタノールでキシレンを除去し、水道水で洗浄して、パラフィン組織標本を製作した。
前記マウスモデルから摘出した肺および肝組織で炎症あるいは線維化因子のmRNA発現程度をリアルタイム重合酵素連鎖反応で測定した。前記組織のRNAをTRIzol試薬(Molecular Research Center,Cincinnati,OH)で分離し、BcaBEST重合酵素(Takara Shuzo)を使用して一本鎖cDNAを合成した後、重合酵素連鎖反応を行った。
分離培養した単一線維芽細胞で細胞膜を介した電流(whole cell current)をパッチクランプ法(pach-clamp technique)で測定した。全細胞電圧固定(whole-cell voltage clamp)細胞で微細ガラス電極を通じて-100mVから+100mVまでの電圧ランプ(voltage ramp)を加え、発生する電流を増幅器(EPC-10,HEKA,Lambrecht,Germany)で増幅した後、1~4kHzの標本抽出率で記録した。
実験結果は、平均値±標準誤差(S.E.M)で表現した。統計的な分析は、Student’s t-testで行い、有意レベル0.05以下を有意差があるものと判定した。
2-1)KCa3.1電流に及ぼすSF-2化合物の効果
添付の図2は、前記線維芽細胞においてKCa3.1チャネル電流に及ぼすSF-3~SF-8化合物の効果を示す図である。細胞内Ca2+と1-EBIOによって活性化したKCa3.1電流は、SF-3~SF-8化合物によって濃度依存的に抑制された。
添付の図3は、前記線維芽細胞においてLPSによって誘発された炎症に対するSF-2~SF-8化合物の抑制効果を示す図である。LPSによる炎症誘発効果は、炎症マーカーのmRNA発現程度で判定した。前記線維芽細胞をLPS(10ug/ml)に24時間露出させると、炎症マーカーであるIL6などのmRNA量が増加した。
添付の図4は、線維芽細胞においてTGFβによって誘発された線維化に対するSF-2~SF-8化合物の線維化抑制効果を示す図である。ここで、TGFβによる線維化誘発効果は、線維化マーカーのmRNA発現程度で判定した。前記線維芽細胞をTGFβ(10ng/ml)に24時間露出させると、線維化マーカーであるα-smooth muscle actin(α-SMA)、collagen 1α(Col1α)、collagen 3α(Col3α)mRNA量が増加した。
3-1)組織学的あるいは免疫組織学的分析結果
前記マウスモデルから摘出した肺組織でパラフィン組織標本を製作し、線維化マーカーであるコラーゲンに対する組織免疫学的染色を施行した。添付の図5は、前記肺組織のMasson’s trichrome染色結果を示す図であり、正常対照群(Sham control)に比べて疾患誘発群(BLM)において線維化程度が増加し、薬物投与群(BLM+SF-2)では、線維化程度が減少したことが確認された。
前記マウスモデルでSF-2化合物が線維化マーカーであるmRNA発現に及ぼす影響を確認するために、線維化マーカーであるCol1α(collagen 1α)、Col3α(collagen 3α)、α-SMA(α-smooth muscle actin)に対するRT-PCRを行った。
4-1)組織学的あるいは免疫組織学的分析
添付の図7は、前記肝組織のコラーゲン繊維に対するMasson’s trichrome染色結果を示す図であり、正常対照群(Sham control)の肝組織は、まだ線維化が進行されない健康な状態であるのに対し、疾患誘発群(CDAHFD)の肝組織は、青色で染色されていて、線維化が進行していることを確認した。ところで、前記疾患誘発群にSF-2化合物を投与した薬物投与群(CDAHFD+SF-2)の肝組織では、青色で染色された程度が大きく減少し、線維化が大きく抑制されることが観察された。
前記マウスモデルでSF-2化合物が線維化マーカーmRNA発現に及ぼす影響を確認するために、線維化マーカーであるCol1α(collagen 1α)、Col3α(collagen 3α)、α-SMA(α-smooth muscle actin)に対してRT-PCRを行った。
以上のような実験結果から、本発明の構造式2化合物、すなわちソリアムフェトールは、ブレオマイシンにより肺線維化が誘発されたマウスモデルおよびCDAHFD給餌により肝線維化が誘発されたマウスモデルにおいてそれぞれ線維化抑制効能があることが確認された。
Claims (10)
- 下記[構造式1]で表されるフェニルアルキルカルバマート化合物またはその薬学的に許容可能な塩を含むことを特徴とする、KCa3.1チャネル介在性疾患治療用組成物。
R1は、水素、ハロゲン、ヒドロキシ、アミン、ニトロ、硫化水素、メチル、メチルハロゲン、エチル、プロピル、メトキシ、エトキシ、ビニル、アリールの中から選ばれた1個または2個の官能基であり、R2およびR3は、それぞれ、水素、メチル、エチル、プロピル、アミドの中から選ばれた1個の官能基であり、*表示は、キラル中心を意味する。 - 上記[構造式1]中、R2とR3が水素であることを特徴とする請求項1に記載のKCa3.1チャネル介在性疾患治療用組成物。
- 上記[構造式1]中、R1が水素、F、Cl、Br、Iの中から選ばれた1個または2個の官能基であることを特徴とする請求項1に記載のKCa3.1チャネル介在性疾患治療用組成物。
- 上記[構造式1]中、R1は、1個または2個のFであり、R2とR3は、それぞれ、水素、メチル、アミドの中から選ばれた1個の官能基であることを特徴とする請求項1に記載のKCa3.1チャネル介在性疾患治療用組成物。
- 上記[構造式1]で表される化合物は、R-異性体またはS-異性体の含有量が90%以上のキラル化合物であることを特徴とする請求項1に記載のKCa3.1チャネル介在性疾患治療用組成物。
- 上記[構造式1]で表される化合物は、
2-アミノ-3-フェニルプロピルカルバマート;
2-アミノ-3-(3-フルオロフェニル)プロピルカルバマート;
2-アミノ-3-(3,4-ジクロロフェニル)プロピルカルバマート;
2-アミノ-3-フェニルプロピルメチルカルバマート;
2-アミノ-3-フェニルプロピル(アミノカルボニル)カルバマート;
2-アミノ-3-(4-ヒドロキシフェニル)プロピルカルバマート;
2-アミノ-3-[3-(トリフルオロメチル)フェニル]プロピルカルバマートの中から選ばれたいずれか1つであることを特徴とする請求項1に記載のKCa3.1チャネル介在性疾患治療用組成物。 - 上記[構造式1]で表される化合物は、
(R)-2-アミノ-3-フェニルプロピルカルバマートヒドロクロリドであることを特徴とする請求項1に記載のKCa3.1チャネル介在性疾患治療用組成物。 - 前記KCa3.1チャネル介在性疾患は、肝線維化および肺線維化を含む線維化疾患であることを特徴とする請求項1から7のいずれか一項に記載のKCa3.1チャネル介在性疾患治療用組成物。
- 前記KCa3.1チャネル介在性疾患は、自己免疫疾患であることを特徴とする請求項1から7のいずれか一項に記載のKCa3.1チャネル介在性疾患治療用組成物。
- 前記KCa3.1チャネル介在性疾患は、がん疾患であることを特徴とする請求項1から7のいずれか一項に記載のKCa3.1チャネル介在性疾患治療用組成物。
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KR1020200096595A KR102390194B1 (ko) | 2020-08-03 | 2020-08-03 | 페닐알킬 카바메이트 화합물을 포함하는 Kca3.1채널 매개질환 치료용 조성물 |
KR10-2020-0096595 | 2020-08-03 | ||
PCT/KR2021/009884 WO2022030879A1 (ko) | 2020-08-03 | 2021-07-29 | 페닐알킬 카바메이트 화합물을 포함하는 kca3.1채널 매개질환 치료용 조성물 |
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KR0173862B1 (ko) | 1995-02-11 | 1999-04-01 | 조규향 | O-카바모일-(d)-페닐알라닌올 화합물과 그의 약제학적으로 유용한 염 및 이들의 제조방법 |
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DE69618663T2 (de) | 1996-10-10 | 2002-08-14 | Sk Corp., Seoul/Soul | O-carbamoyl-phenylalaninol-zusammensetzungen und ihre pharmazeutisch anwendbaren salzen |
US20050080268A1 (en) | 2003-10-08 | 2005-04-14 | Yong-Moon Choi | Process of preparing O-carbamoyl compounds in the presence of active amine group |
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KR101414831B1 (ko) | 2011-10-25 | 2014-07-04 | 이화여자대학교 산학협력단 | 모다피닐 또는 이의 유도체를 포함하는 KCa3.1 채널 매개 질환 치료용 조성물 |
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