JP7224685B2 - 新規なp62リガンド化合物、これを含むタンパク質異常疾患の予防、改善または治療用組成物 - Google Patents
新規なp62リガンド化合物、これを含むタンパク質異常疾患の予防、改善または治療用組成物 Download PDFInfo
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Description
WはC6-C10アリールであり;
Lは-O-(CH2)n1-CH(OH)-であり、ただし、前記-O-(CH2)n1-CH(OH)-中のOがベンゼン環に結合し、この時、n1は1~4の整数であり;
mは0~2の整数であり;
RaはR1または-OR1であり、
この時、R1は水素、または-(CH2)n2-R’1であり、
R’1は非置換であるか;またはヒドロキシ、ハロゲン、C1-4アルキル、C1-4アルコキシ、ニトロ、アミノ、(C1-4アルキル)アミノ、またはジ(C1-4アルキル)アミノで置換されたフェニルであり、
n2は1~6の整数であり;
Rbは-OR2であり、
この時、R2はH、または-(CH2)n3-R’2であり、
R’2は非置換であるか;またはヒドロキシ、ハロゲン、C1-4アルキル、C1-4アルコキシ、ニトロ、アミノ、(C1-4アルキル)アミノ、またはジ(C1-4アルキル)アミノで置換されたフェニルであり、
n3は1~6の整数であり;
Rcは-(CH2)n4-OH、-(CH2)n4-NH-C(=NH)NH2、-C(=NH)NH2、C1-6アルキル、-CH(R3)-COO-R4、または-CH(COO-R4)-CH2CH2CH2-NH-C(=NH)NH2、-(CH2)n4-O-(CH2)n4-OR4、-CONH(CH2)n4-OR4、-CO(CH2)n5-OR4、-(CH2)n5-CH(NH2)-COOR4、-(CH2)n5-CONHR4であり、
n4は2~4の整数であり、
n5は1~4の整数であり、
R3は水素、またはC1-4アルキルであり、
R4は水素、またはC1-4アルキルである。
1)(R)-1-(3,4-(ビス(ベンジルオキシ)フェノキシ)-3-((2-ヒドロキシエチル)アミノ)プロパン-2-オール(YOK-1106);
2)(R)-1-(3,4-(ビス((4-クロロベンジル)オキシ)フェノキシ)-3-((2-ヒドロキシエチル)アミノ)プロパン-2-オール(YT-6-1);
3)(R)-1-(3-((4-クロロベンジル)オキシ)フェノキシ)-3-((2-ヒドロキシエチル)アミノ)プロパン-2-オール(YT-6-2);
4)(R)-1-(3-((4-クロロベンジル)オキシ)フェノキシ)-3-((2-ヒドロキシエチル)アミノ)プロパン-2-オール(YT-6-7);
5)(R)-1-(3-((4-フルオロベンジル)オキシ)フェノキシ)-3-((2-ヒドロキシエチル)アミノ)プロパン-2-オール(YT-6-8);
6)(R)-1-(2-((3-(3,4-ビス(ベンジルオキシ)フェノキシ)-2-ヒドロキシプロピル)アミノ)エチル)グアニジン(YOK-1109);
7)(R)-1-(2-((3-(3,4-ジフェネトキシフェノキシ)-2-ヒドロキシプロピル)アミノ)エチル)グアニジン(YOK-2209);
8)(R)-1-(2-((3-(3,4-ビス(4-クロロベンジル)オキシ)フェノキシ)-2-ヒドロキシプロピル)アミノ)エチル)グアニジン(YT-9-1);
9)(R)-1-(2-((3-(3,4-ビス(4-フルオロベンジル)オキシ)フェノキシ)-2-ヒドロキシプロピル)アミノ)エチル)グアニジン(YT-9-2);
10)(R)-1-(3-(3,4-ビス(ベンジルオキシ)フェノキシ)-2-ヒドロキシプロピル)グアニジン(YOK-1107);
11)(R)-1-(3-(3,4-ジフェネトキシフェノキシ)-2-ヒドロキシプロピル)グアニジン(YOK-2207);
12)(R)-1-(3,4-ビス(ベンジルオキシ)フェノキシ)-3-(イソプロピルアミノ)プロパン-2-オール(YOK-1104);
13)(R)-1-(3,4-ジフェネトキシフェノキシ)-3-(イソプロピルアミノ)プロパン-2-オール(YOK-2204);
14)(R)-1-(3,4-ビス(3-フェニルプロポキシ)フェノキシ)-3-(イソプロピルアミノ)プロパン-2-オール(YOK-3304);
15)(R)-1-(3,4-ビス(4-フェニルブトキシ)フェノキシ)-3-(イソプロピルアミノ)プロパン-2-オール(YOK-4404);
16)(R)-1-(4-(ベンジルオキシ)-3-フェネトキシフェノキシ)-3-(イソプロピルアミノ)プロパン-2-オール(YOK-1204);
17)(R)-1-(4-(ベンジルオキシ)-3-(3-フェニルプロポキシ)フェノキシ)-3-(イソプロピルアミノ)プロパン-2-オール(YOK-1304);
18)(R)-1-(3,4-ビス((4-クロロベンジル)オキシ)フェノキシ)-3-(イソプロピルアミノ)プロパン-2-オール(YT-4-1);および、
19)(R)-1-(3,4-ビス((4-フルオロベンジル)オキシ)フェノキシ)-3-(イソプロピルアミノ)プロパン-2-オール(YT-4-2)。
前記神経変性疾患は、ライム病(Lyme borreliosis)、致死性家族性不眠症(Fatal familial insomnia)、クロイツフェルト-ヤコブ病(Creutzfeldt-Jakob Disease;CJD)、多発性硬化症(multiple sclerosis;MS)、痴呆(dementia)、アルツハイマー病(Alzheimer’s disease)、てんかん(epilepsy)、パーキンソン病(Parkinson’s disease)、脳卒中(stroke)、ハンチントン病(huntington’s disease)、ピック病(Picks disease)、筋萎縮性側索硬化症(amyotrophic lateral sclerosis、ALS)脊髄小脳失調症、その他ポリ-Q疾患、遺伝性脳アミロイド血管病症、家族性アミロイド多発神経病症、1次全身アミロイド症(ALアミロイド症)、反応性全身アミロイド症(AAアミロイド症)、注射-局所化アミロイド症、ベータ-2マイクログロブリンアミロイド症、遺伝性非-神経病アミロイド症、アレキサンダー症およびフィンランド遺伝性全身アミロイド症からなる群より選択されることが好ましい。
本発明の用語「治療」とは、本発明の薬学的組成物の投与で変性タンパク質の凝固に関連する多様な疾患、例えば、タンパク質異常疾患が好転または有利に変更されるすべての行為を意味する。
(段階1)3,4-ビス(ベンジルオキシ)フェノール(1102)の製造
ジクロロメタン(15ml)を3,4-ビス(ベンジルオキシ)ベンズアルデヒド(1101、1.00g、3.0mmol、1当量)に入れて溶解した後、mCPBA(0.78g、4.5mmol、1.5当量)を反応物に入れて、室温で4時間撹拌する。反応物にエチルアセテートを入れて希釈した後、炭酸ナトリウム飽和水溶液を入れて洗った後、有機層を分液する。有機層を塩化ナトリウム水溶液で洗った後、無水硫酸ナトリウムで脱水して減圧ろ過する。ろ過した溶液を濃縮した後、再びメタノール(10ml)に溶解した後、6N NaOHを入れて、30分間室温で撹拌する。反応物に4N HCl溶液を入れた後、30分間さらに撹拌する。反応物にエチルアセテート(50ml)を入れて希釈した後、塩水で洗い落とし、次いで、無水硫酸ナトリウムを入れて脱水および減圧ろ過する。ろ過した溶液を濃縮した後、カラムクロマトグラフィー(ヘキサン/エチルアセテートの比率=7/3)で精製して、3,4-ビス(ベンジルオキシ)フェノール(1102、0.87g、収率90%)を得た。
3,4-ジベンジルオキシフェノール(1102、306mg、1.0mmol)をエタノール(10ml)に希釈した後、KOH水溶液(KOH66mg、1.2mmol、1ml)と(R)-2-(クロロメチル)オキシラン(410ul、5.0mmol)を順次に添加する。反応物を室温で5時間撹拌した後、有機溶媒を減圧して除去する。濃縮された反応物を再びエチルアセテートで希釈した後、水で洗い、次いで、塩水で洗った後、抽出した有機層を無水硫酸ナトリウムで脱水した後、減圧ろ過する。ろ過した有機層を濃縮し、カラムクロマトグラフィーで精製して、純粋なR-2-((3,4-ビス(ベンジルオキシ)フェノキシ)メチル)オキシラン(1103、297mg、収率82%)を得た。ESI-MS m/z:363.5[M+H]+。
3,4-ビス(ベンジルオキシ)ベンズアルデヒド(1101)の代わりに3,4-ビス((4-クロロベンジル)オキシ)ベンズアルデヒド(1101-1)を出発物質として用いて、実施例19の製造方法と同様の過程により、(R)-1-(3,4-(ビス((4-クロロベンジル)オキシ)フェノキシ)-3-((2-ヒドロキシエチル)アミノ)プロパン-2-オール(YT-6-1)を合成した。
3,4-ビス(ベンジルオキシ)ベンズアルデヒド(1101)の代わりに3,4-ビス((4-フルオロベンジル)オキシ)ベンズアルデヒド(1101-2)を出発物質として用いて、実施例19の製造方法と同様の過程により、(R)-1-(3,4-(ビス((4-フルオロベンジル)オキシ)フェノキシ)-3-((2-ヒドロキシエチル)アミノ)プロパン-2-オール(YT-6-2)を合成した。
実施例1の製造段階3において、2-アミノエタン-1-オールの代わりにイソプロピルアミンを用いて、(R)-1-(3,4-ビス(ベンジルオキシ)フェノキシ)-3-(イソプロピルアミノ)プロパン-2-オール(YOK-1104)を合成した。
実施例1の製造方法のうち、段階1における3,4-ビス(ベンジルオキシ)ベンズアルデヒド(1101)の代わりに3,4-ジフェネトキシベンズアルデヒド(2201)を出発物質として用いたことと、段階3における2-アミノエタン-1-オールの代わりにイソプロピルアミンを用いたことを除けば、実施例1の製造方法と同様の過程により、(R)-1-(3,4-ジフェネトキシフェノキシ)-3-(イソプロピルアミノ)プロパン-2-オール(YOK-2204)を合成した。
実施例1の製造方法のうち、段階1における3,4-ビス(ベンジルオキシ)ベンズアルデヒド(1101)の代わりに3,4-ビス(3-フェニルプロポキシ)ベンズアルデヒド(3301)を出発物質として用いたことと、段階3における2-アミノエタン-1-オールの代わりにイソプロピルアミンを用いたことを除けば、実施例1の製造方法と同様の過程により、(R)-1-(3,4-ビス(3-フェニルプロポキシ)フェノキシ)-3-(イソプロピルアミノ)プロパン-2-オール(YOK-3304)を合成した。
実施例1の製造方法のうち、段階1における3,4-ビス(ベンジルオキシ)ベンズアルデヒド(1101)の代わりに3,4-ビス(4-フェニルブトキシ)ベンズアルデヒド(4401)を出発物質として用いたことと、段階3における2-アミノエタン-1-オールの代わりにイソプロピルアミンを用いたことを除けば、実施例1の製造方法と同様の過程により、(R)-1-(3,4-ビス(4-フェニルブトキシ)フェノキシ)-3-(イソプロピルアミノ)プロパン-2-オール(YOK-4404)を合成した。
実施例1の製造方法のうち、段階1における3,4-ビス(ベンジルオキシ)ベンズアルデヒド(1101)の代わりに3,4-ビス(4-クロロベンジルオキシ)ベンズアルデヒド(1101-1)を出発物質として用いたことと、段階3における2-アミノエタン-1-オールの代わりにイソプロピルアミンを用いたことを除けば、実施例1の製造方法と同様の過程により、(R)-1-(3,4-ビス((4-クロロベンジル)オキシ)フェノキシ)-3-(イソプロピルアミノ)プロパン-2-オール(YT-4-1)を合成した。
実施例1の製造方法のうち、段階1における3,4-ビス(ベンジルオキシ)ベンズアルデヒド(1101)の代わりに3,4-ビス(4-フルオロベンジルオキシ)ベンズアルデヒド(1101-2)を出発物質として用いたことと、段階3における2-アミノエタン-1-オールの代わりにイソプロピルアミンを用いたことを除けば、実施例1の製造方法と同様の過程により、(R)-1-(3,4-ビス((4-フルオロベンジル)オキシ)フェノキシ)-3-(イソプロピルアミノ)プロパン-2-オール(YT-4-2)を合成した。
(段階1)R-2-((3,4-ビス(ベンジルオキシ)フェノキシ)メチル)オキシラン(1103、500mg、1.38mmol)をメタノール(10ml)に溶解した後、tert-ブチル2-アミノエチルカルバメート(442mg、2.76mmol)を入れて、50℃で10時間撹拌する。反応が終了すると反応溶媒を減圧濃縮する。
実施例6の製造方法のうち、段階1におけるR-2-((3,4-ビス(ベンジルオキシ)フェノキシ)メチル)オキシラン(1103)の代わりにR-2-((3,4-ジフェネトキシフェノキシ)メチル)オキシラン(2203)を用いたことを除けば、実施例6の製造方法と同様の過程により、(R)-1-(2-((3-(3,4-ジフェネトキシフェノキシ)-2-ヒドロキシプロピル)アミノ)エチル)グアニジン(YOK-2209)を合成した。
実施例6の製造方法のうち、段階1における1103の代わりにR-2-((3,4-ビス(4-クロロベンジル)オキシ)フェノキシ)メチル)オキシラン(1103-1)を用いたことを除けば、実施例6の製造方法と同様の過程により、(R)-1-(2-((3-(3,4-ビス(4-クロロベンジル)オキシ)フェノキシ)-2-ヒドロキシプロピル)アミノ)エチル)グアニジン(YT-9-1)を合成した。
実施例6の製造方法のうち、段階1における1103の代わりにR-2-((3,4-ビス(4-フルオロベンジル)オキシ)フェノキシ)メチル)オキシラン(1103-2)を用いたことを除けば、実施例6の製造方法と同様の過程により、(R)-1-(2-((3-(3,4-ビス(4-フルオロベンジル)オキシ)フェノキシ)-2-ヒドロキシプロピル)アミノ)エチル)グアニジン(YT-9-2)を合成した。
(段階1)R-2-((3,4-ビス(ベンジルオキシ)フェノキシ)メチル)オキシラン(1103、500mg、1.38mmol)をメタノール(10ml)に溶解した後、アンモニア/メタノール(2N、3ml)を入れて、50℃で10時間撹拌する。反応が終了すると反応溶媒を減圧濃縮する。
実施例10の製造方法のうち、段階1における1103の代わりにR-2-((3,4-ジフェネトキシフェノキシ)メチル)オキシラン(2203)を用いたことを除けば、実施例10の製造方法と同様の過程により、(R)-1-(3-(3,4-ジフェネトキシフェノキシ)-2-ヒドロキシプロピル)グアニジン(YOK-2207、25mg)を合成した。
(段階1)1,3-ジヒドロキシベンゼン(5.0g、45.4mmol)をアセトニトリル(100ml)に溶解した後、K2CO3を添加する。次いで、1-(ブロモメチル)-4-クロロベンゼン(9.3g、45.4mmol)を反応物に添加した後、80℃で16時間撹拌する。室温に冷却した後、反応溶媒を減圧して濃縮する。濃縮残留物に水を入れた後、エチルアセテートで抽出した後、有機層を無水硫酸ナトリウムで脱水および減圧ろ過する。ろ液を取って減圧して濃縮した後、カラムクロマトグラフィー(エチルアセテート/石油エーテル1:15~1:8)で精製して、明るい黄色オイル形態の3-((4-クロロベンジル)オキシ)フェノール(2011、2.3g)を合成した。
実施例4の製造方法のうち、段階1における1-(ブロモメチル)-4-クロロベンゼンの代わりに1-(ブロモメチル)-4-フルオロベンゼンを用いたことを除けば、実施例4の製造方法と同様の過程により、白色固体の((R)-1-(3-((4-フルオロベンジル)オキシ)フェノキシ)-3-((2-ヒドロキシエチル)アミノ)プロパン-2-オール(YT-6-8、20mg)を合成した。
(段階1)4-(ベンジルオキシ)-3-フェネトキシベンズアルデヒド(1201、332mg、1.0mmol)をジクロロメタンに溶解した後、m-クロロペル安息香酸(mCPBA、260mg、1.5mmol)を添加した後、室温で4時間撹拌する。反応物に過剰のエチルアセテートを入れた後、飽和炭酸ナトリウム飽和水溶液を入れて洗った後、有機層を分液する。有機層を塩化ナトリウム水溶液で洗った後、無水硫酸ナトリウムで脱水して減圧ろ過する。ろ過した溶液を濃縮した後、再びメタノール(10ml)に溶解した後、6N NaOHを入れて、30分間室温で撹拌する。反応物に4N HCl溶液を入れた後、30分間さらに撹拌する。反応物にエチルアセテート(50ml)を入れて希釈した後、塩水で洗い落とし、次いで、無水硫酸ナトリウムを入れて脱水および減圧ろ過する。ろ過した溶液を濃縮した後、カラムクロマトグラフィー(ヘキサン/エチルアセテートの比率=7/3)で精製して、4-(ベンジルオキシ)-3-フェネトキシフェノール(1202、310mg、収率90%)を得た。
実施例16の製造方法のうち、段階1において、出発物質を4-(ベンジルオキシ)-3-フェネトキシベンズアルデヒド(1201)の代わりに4-(ベンジルオキシ)-3-(3-フェニルプロポキシ)ベンズアルデヒド(1301、346mg、1.0mmol)を用いて、実施例16の製造方法と同様の過程により、白色固体の(R)-1-(4-(ベンジルオキシ)-3-(3-フェニルプロポキシ)フェノキシ)-3-(イソプロピルアミノ)プロパン-2-オール(YOK-1304、9.5mg、収率85%)を合成した。
実施例19の製造方法のうち、段階3における2-アミノエタン-1-オールの代わりにグリシンメチルエステルを用いたことを除けば、実施例19の製造方法と同様の過程により、メチル(R)-(3-(3,4-ビス(ベンジルオキシ)フェノキシ)-2-ヒドロキシプロピル)グリシネート(YOK-G-1104)を合成した。
実施例19の製造方法のうち、段階3における2-アミノエタン-1-オールの代わりにアラニンエチルエステルを用いたことを除けば、実施例19の製造方法と同様の過程により、エチル(R)-(3-(3,4-ビス(ベンジルオキシ)フェノキシ)-2-ヒドロキシプロピル)アラニネート(YOK-A-1104)を合成した。
前記化合物(実施例1-19)のp62タンパク質のオリゴマー化活性効能を評価するために、ヒト胚腎臓由来細胞のHEK293細胞株を収集した。本化合物のうち代表化合物としてYOK-1104、YOK-2204、YOK-3304、YOK-1204、YOK-4404、YOK-1107、YOK-1109、YOK-2207、YOK-2209、YT-4-1、YT-4-2、YT-6-1、YT-6-2、YT-6-7、YT-6-8、YT-9-1、YT-9-2を選択し、これらの選択された代表化合物の処理による細胞内p62タンパク質の活性化およびオリゴマー化を測定するために、100パイのディッシュにそれぞれの細胞を分注した。細胞がプレートの表面に完全に付着するように24時間追加的に培養した後、細胞を収集し、各サンプルに100ulの溶解バッファー(20mM Tris(pH7.4)、150mM NaCl、1%Triton X-100、2mM NaF、2mM EDTA、2mM beta-glycerophosphate、5mM sodium orthovanadate、1mM PMSF、leupeptin、aproteinin)を注入し、細胞を溶解させた。測定された総タンパク質の濃度ベースで、各サンプルに常温で2時間試験化合物を処理した後、サンプルバッファーを追加して、95℃で10分間反応させた。反応済みのサンプルから25ulを取ってアクリルアミドゲルの各ウェルに分注した後、免疫ブロッティング法を実施した。免疫ブロッティング法は3回以上の独立した実験から代表的なものを図式化した。結果は図2に示した。
前記化合物(実施例1-19)のオートファジー活性効能を評価するために、子宮頸癌患者由来細胞のHela細胞株を5%二酸化炭素が維持される培養器内で10%FBSと1%ストレプトマイシン/ペニシリンを含有したDMEM培地を用いて培養した。本化合物のうち代表化合物としてYOK-1107、YOK-4404、YOK-1104を選択し、これらの選択された代表化合物の処理によるオートファジー活性度を測定するために、6ウェルプレートにそれぞれの細胞を分注した。細胞がプレートの表面に完全に付着するように24時間の追加的な培養をした。それぞれの化合物がオートファジー現象を増加させることができる濃度を見出すために、試験化合物を1、2、5、10、20μMで希釈して処理した。各化合物の処理後、細胞を再び細胞培養器で24時間培養した後、細胞を収集した。収集された細胞からタンパク質を抽出するために、各サンプルに100ulの溶解バッファー(20mM Tris(pH7.4)、150mM NaCl、1%Triton X-100、2mM NaF、2mM EDTA、2mM beta-glycerophosphate、5mM sodium orthovanadate、1mM PMSF、leupeptin、aproteinin)を注入して細胞を溶解させた。測定された総タンパク質の濃度ベースで各サンプルにサンプルバッファーを追加して、100℃で5分間反応させた。反応済みのサンプルから5ulを取ってアクリルアミドゲルの各ウェルに分注した後、免疫ブロッティング法を実施した。免疫ブロッティング法は3回以上の独立した実験から代表的なものを図式化した。結果は図3に示した。
前記化合物(実施例1-19)のオートファジー活性効能を調べるために、LC3をマーカーとして用いて実験例2と同様の方法で免疫ブロッティング法を行った。相違点としては、活性化に要求される処理時間および活性維持時間を評価するために、1、3、6、12、24、48時間、5μMの本化合物の中から選択された代表化合物としてYOK-1107、YOK-1204、YOK-1304、YOK-2204、YOK-3304、YOK-4404を処理した。他方では、24時間、10μMの本化合物の中から選択された代表化合物YOK-1107、YOK-1109、YOK-2207、YOK-2209、YT-4-1、YT-4-2、YT-6-1、YT-6-2、YT-6-8、YT-6-7、YT-9-1、YT-9-2を処理した。免疫ブロッティング法は3回以上の独立した実験から代表的なものを図式化し、その結果は図4に示した。図4から分かるように、本発明によるp62リガンド化合物を処理した場合、化合物の処理によって漸増的にマクロオートファジー活性の標識子であるLC3の水準が増加することを確認することができた。
対照群化合物のオートファジー活性効能を調べるために、LC3をマーカーとして用いて実験例2と同様の方法で免疫ブロッティングを行った。対照群化合物としては下記の構造を有する化合物を用いた。
前記化合物(実施例1-19)のp62タンパク質の活性およびオートファジー現象の活性程度を把握するために、p62とLC3をマーカーとして用いて免疫蛍光染色法を行った。培養された細胞内で新規p62リガンドとその異性体によるp62活性およびオートファジー現象の活性程度を把握するために、子宮頸癌患者由来細胞株のHela細胞株に新規p62リガンド化合物(YOK-1106、YOK-1204、YOK-1504、YOK-2204、YOK-3304、YOK-4404、YOK-1107、YOK-1109、YOK-2207、YOK-2209、YT-4-1、YT-4-2、YT-6-1、YT-9-1およびYT-9-2)を処理して培養した後、オートファジー現象の標識子としてLC3の斑点の発現程度と位置およびp62との斑点位置の共存性を観察した。
対照群化合物(YOK-A-1104、YOK-G-1104、YTK-1005、YTK-1105-1)のp62タンパク質の活性およびオートファジー現象の活性程度を把握するために、p62とLC3をマーカーとして用いて実験例4と同様の方法で免疫蛍光染色法を行った。YOK-A-1104、YOK-G-1104は次の化学式を有する化合物である。
図7から確認できるように、対照群化合物を処理した濃度と関係なく、p62タンパク質の細胞内斑点の形成、オートファゴソーム標識子であるLC3の細胞内斑点と位置共存性の増加およびLC3の細胞内斑点の形成が増加しないことを確認することができた。
前記化合物(実施例1-19)のユビキチン化されたタンパク質のp62で媒介されるオートファジー伝達活性程度を把握するために、p62とFK2をマーカーとして用いて実験例4と同様の方法で免疫蛍光染色法を行った。化合物はYT-4-1、YT-4-2、YT-6-1、YT-6-7、YT-6-8、YOK-4404、YOK-1106、YOK-1107、YOK-1109、YOK-1204、YOK-1204を処理した。化合物を処理した後、p62またはFK2の細胞内斑点、つまり、p62とユビキチン化されたタンパク質がオートファゴソームに伝達される程度を共焦点顕微鏡で観察した。結果は図8Aおよび8Bに示した。免疫蛍光染色法は3回以上の独立した実験から代表的なものを図式化した。
前記化合物(実施例1-19)の退行性脳疾患ハンチントン病の主要タンパク質である変性ハンチンチン(Htt-Q103)がp62で媒介されるオートファジー伝達活性程度を把握するために、p62とHtt-Q103-GFPをマーカーとして用いて実験例4と同様の方法で免疫蛍光染色法を行った。化合物はYOK-1106、YOK-1107、YOK-1109、YOK-1204、YOK-2204、YOK-4404、YT-4-1、YT-4-2、YT-6-1、YT-6-7、YT-9-1を用いた。化合物を処理した後、p62またはHtt-Q103-GFPの細胞内斑点、つまり、p62と変性ハンチンチンタンパク質がオートファゴソームに伝達される程度を共焦点顕微鏡で観察した。結果は図9Aおよび9Bに示した。免疫蛍光染色法は3回以上の独立した実験から代表的なものを図式化した。
Claims (14)
- 下記の化学式1で表されるp62リガンド化合物、その薬学的に許容可能な塩、立体異性体、または、水和物。
Wは、フェニルであり;
-O-(CH2)n1-CH(OH)-中の-O-は、ベンゼン環の3位または4位に結合し、この時、n1は1~4の整数であり;
mは、0~2の整数であり;
Ra は、水素、または、-O-(CH2)n2-R’1であり、
R’1は、非置換であるか;またはヒドロキシ、ハロゲン、C1-4アルキル、C1-4アルコキシ、ニトロ、アミノ、(C1-4アルキル)アミノ、またはジ(C1-4アルキル)アミノで置換されたフェニルであり、
n2は、1~6の整数であり;
Rbは、-O-(CH2)n3-R’2であり、
R’2は、非置換であるか;またはヒドロキシ、ハロゲン、C1-4アルキル、C1-4アルコキシ、ニトロ、アミノ、(C1-4アルキル)アミノ、またはジ(C1-4アルキル)アミノで置換されたフェニルであり、
n3は、1~6の整数であり;
Rcは、-(CH2)n4-OH、-(CH2)n4-NH-C(=NH)NH2、-C(=NH)NH2、C1-6アルキル、-CH(R3)-COO-R4、または-CH(COO-R4)-CH2CH2CH2-NH-C(=NH)NH2、-(CH2)n4-O-(CH2)n4-OR4、-CONH(CH2)n4-OR4、-CO(CH2)n5-OR4、-(CH2)n5-CH(NH2)-COOR4、または-(CH2)n5-CONHR4であり、
n4は、2~4の整数であり、
n5は、1~4の整数であり、
R3は、水素、または、C1-4アルキルであり、
R4は、水素、または、C1-4アルキルであり、
ここで、前記p62リガンド化合物は、(R)体である。 - n1は、1または2である、請求項1に記載の化合物、その薬学的に許容可能な塩、立体異性体、または、水和物。
- R’1は、非置換であるか;またはヒドロキシ、フルオロ、クロロ、ブロモ、メチル、エチル、メトキシ、エトキシ、ニトロ、アミノまたはジメチルアミノで置換されたフェニルであり、n2は1~4の整数である、請求項1に記載の化合物、その薬学的に許容可能な塩、立体異性体、または、水和物。
- R’2は、非置換であるか;またはヒドロキシ、フルオロ、クロロ、ブロモ、メチル、エチル、メトキシ、エトキシ、ニトロ、アミノまたはジメチルアミノで置換されたフェニルであり、n3は1~4の整数である、請求項1に記載の化合物、その薬学的に許容可能な塩、立体異性体、または、水和物。
- 前記Rcは、-(CH2)n4-OH、-(CH2)n4-NH-C(=NH)NH2、-C(=NH)NH2、メチル、エチル、またはイソプロピルであり、n4は2~3の整数である、請求項1に記載の化合物、その薬学的に許容可能な塩、立体異性体、または、水和物。
- 前記化学式1の化合物は、下記の化合物1)~19)からなる群より選択されるものである、請求項1に記載の化合物、その薬学的に許容可能な塩、立体異性体、または、水和物。
1)(R)-1-(3,4-(ビス(ベンジルオキシ)フェノキシ)-3-((2-ヒドロキシエチル)アミノ)プロパン-2-オール(YOK-1106);
2)(R)-1-(3,4-(ビス((4-クロロベンジル)オキシ)フェノキシ)-3-((2-ヒドロキシエチル)アミノ)プロパン-2-オール(YT-6-1);
3)(R)-1-(3-((4-クロロベンジル)オキシ)フェノキシ)-3-((2-ヒドロキシエチル)アミノ)プロパン-2-オール(YT-6-2);
4)(R)-1-(3-((4-クロロベンジル)オキシ)フェノキシ)-3-((2-ヒドロキシエチル)アミノ)プロパン-2-オール(YT-6-7);
5)(R)-1-(3-((4-フルオロベンジル)オキシ)フェノキシ)-3-((2-ヒドロキシエチル)アミノ)プロパン-2-オール(YT-6-8);
6)(R)-1-(2-((3-(3,4-ビス(ベンジルオキシ)フェノキシ)-2-ヒドロキシプロピル)アミノ)エチル)グアニジン(YOK-1109);
7)(R)-1-(2-((3-(3,4-ジフェネトキシフェノキシ)-2-ヒドロキシプロピル)アミノ)エチル)グアニジン(YOK-2209);
8)(R)-1-(2-((3-(3,4-ビス(4-クロロベンジル)オキシ)フェノキシ)-2-ヒドロキシプロピル)アミノ)エチル)グアニジン(YT-9-1);
9)(R)-1-(2-((3-(3,4-ビス(4-フルオロベンジル)オキシ)フェノキシ)-2-ヒドロキシプロピル)アミノ)エチル)グアニジン(YT-9-2);
10)(R)-1-(3-(3,4-ビス(ベンジルオキシ)フェノキシ)-2-ヒドロキシプロピル)グアニジン(YOK-1107);
11)(R)-1-(3-(3,4-ジフェネトキシフェノキシ)-2-ヒドロキシプロピル)グアニジン(YOK-2207);
12)(R)-1-(3,4-ビス(ベンジルオキシ)フェノキシ)-3-(イソプロピルアミノ)プロパン-2-オール(YOK-1104);
13)(R)-1-(3,4-ジフェネトキシフェノキシ)-3-(イソプロピルアミノ)プロパン-2-オール(YOK-2204);
14)(R)-1-(3,4-ビス(3-フェニルプロポキシ)フェノキシ)-3-(イソプロピルアミノ)プロパン-2-オール(YOK-3304);
15)(R)-1-(3,4-ビス(4-フェニルブトキシ)フェノキシ)-3-(イソプロピルアミノ)プロパン-2-オール(YOK-4404);
16)(R)-1-(4-(ベンジルオキシ)-3-フェネトキシフェノキシ)-3-(イソプロピルアミノ)プロパン-2-オール(YOK-1204);
17)(R)-1-(4-(ベンジルオキシ)-3-(3-フェニルプロポキシ)フェノキシ)-3-(イソプロピルアミノ)プロパン-2-オール(YOK-1304);
18)(R)-1-(3,4-ビス((4-クロロベンジル)オキシ)フェノキシ)-3-(イソプロピルアミノ)プロパン-2-オール(YT-4-1);および、
19)(R)-1-(3,4-ビス((4-フルオロベンジル)オキシ)フェノキシ)-3-(イソプロピルアミノ)プロパン-2-オール(YT-4-2)。 - 請求項1~6のいずれか1項に記載の化学式1の化合物、その薬学的に許容可能な塩、立体異性体、または、水和物を含む、タンパク質異常疾患の予防、改善または治療用薬学的組成物。
- 前記タンパク質異常疾患は、神経変性疾患、抗アルファ1アンチトリプシン欠乏症、角膜症、色素性網膜炎、2型糖尿病または嚢胞性線維症である、請求項7に記載の薬学的組成物。
- 前記神経変性疾患は、ライム病(Lyme borreliosis)、致死性家族性不眠症(Fatal familial insomnia)、クロイツフェルト-ヤコブ病(Creutzfeldt-Jakob Disease;CJD)、多発性硬化症(multiple sclerosis;MS)、痴呆(dementia)、アルツハイマー病(Alzheimer’s disease)、てんかん(epilepsy)、パーキンソン病(Parkinson’s disease)、脳卒中(stroke)、ハンチントン病(huntington’s disease)、ピック病(Picks disease)、筋萎縮性側索硬化症(amyotrophic lateral sclerosis、ALS)、脊髄小脳失調症、その他、ポリ-Q疾患、遺伝性脳アミロイド血管病症、家族性アミロイド多発神経病症、1次全身アミロイド症(ALアミロイド症)、反応性全身アミロイド症(AAアミロイド症)、2型糖尿病、注射-局所化アミロイド症、ベータ-2マイクログロブリンアミロイド症、遺伝性非-神経病アミロイド症、およびフィンランド遺伝性全身アミロイド症からなる群より選択される1種以上である、請求項8に記載の薬学的組成物。
- 請求項1~6のいずれか1項に記載の化学式1の化合物、その薬学的に許容可能な塩、立体異性体、または、水和物を含む、変性タンパク質のオートファジー活性増加用薬学的組成物。
- 前記タンパク質は、癌誘発タンパク質、プリオンタンパク質、アミロイド前駆体タンパク質(APP)、アルファ-シヌクレイン、スーパーオキシドディスムターゼ、タウ、免疫グロブリン、アミロイド-A、トランスサイレチン、ベータ2-マイクログロブリン、シスタチンC、アポリポタンパク質(Apolipoproteine)A1、TDP-43、島アミロイドポリペプチド(islet amyloid polypeptide)、ANF、ゲルゾリン(gelsolin)、インスリン、リゾチーム、フィブリノゲン、ハンチンチン(huntingtin)およびアタキシンと、Poly-Q延伸を
有するその他タンパク質からなる群より選択される1種以上である、請求項10に記載の薬学的組成物。 - 請求項1~6のいずれか1項に記載の化学式1の化合物、その薬学的に許容可能な塩、立体異性体、または、水和物を含む、タンパク質異常疾患の予防または改善用食品組成物。
- 前記タンパク質異常疾患は、神経変性疾患、抗アルファ1アンチトリプシン欠乏症、角膜症、色素性網膜炎、2型糖尿病または嚢胞性線維症である、請求項12に記載の食品組成物。
- 前記神経変性疾患は、ライム病(Lyme borreliosis)、致死性家族性不眠症(Fatal familial insomnia)、クロイツフェルト-ヤコブ病(Creutzfeldt-Jakob Disease;CJD)、多発性硬化症(multiple sclerosis;MS)、痴呆(dementia)、アルツハイマー病(Alzheimer’s disease)、てんかん(epilepsy)、パーキンソン病(Parkinson’s disease)、脳卒中(stroke)、ハンチントン病(huntington’s disease)、ピック病(Picks disease)、筋萎縮性側索硬化症(amyotrophic lateral sclerosis、ALS)、脊髄小脳失調症、その他、ポリ-Q疾患、遺伝性脳アミロイド血管病症、家族性アミロイド多発神経病症、1次全身アミロイド症(ALアミロイド症)、反応性全身アミロイド症(AAアミロイド症)、2型糖尿病、注射-局所化アミロイド症、ベータ-2マイクログロブリンアミロイド症、遺伝性非-神経病アミロイド症、アレキサンダー症およびフィンランド遺伝性全身アミロイド症からなる群より選択される1種以上である、請求項13に記載の食品組成物。
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JP2022538013A (ja) * | 2019-06-18 | 2022-08-31 | プロテック・インコーポレイテッド | p62リガンド化合物及びそのER-ファジー促進用途 |
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