TWI323660B - Pten inhibitor or maxi-k channels opener - Google Patents
Pten inhibitor or maxi-k channels opener Download PDFInfo
- Publication number
- TWI323660B TWI323660B TW093103143A TW93103143A TWI323660B TW I323660 B TWI323660 B TW I323660B TW 093103143 A TW093103143 A TW 093103143A TW 93103143 A TW93103143 A TW 93103143A TW I323660 B TWI323660 B TW I323660B
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- Taiwan
- Prior art keywords
- salt
- active ingredient
- hydroxyquinoline
- compound
- maxi
- Prior art date
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Description
1323660 玖、發明說明 【發明所屬之技術領域】 本發明係關於一種新穎之第1 〇號染色體同源丢失 性磷酸酶-張力蛋白基因(PTEN)抑制劑或一種新穎之最 大-钾離子(Maxi-K)通道開啟劑。詳言之,係關於一種 PTEN抑制劑或一種新穎之Maxi-K通道開啟劑,其包括 以式(I)之四唑基烷氧基-二氫2-羥基喹啉(carbostyril)化 合物或其鹽作為活性成分:
Η ° 其中R係ί辰烧基’ A係低碳數伸烧基,以及位於2 -經基 喹啉核之3-及4-位置間之鍵結係單鍵或雙鍵。 【先前技術】 於1997年,將PTEN(第1〇號染色體同源丟失性磷 酸酶-張力蛋白基因)分離為腫瘤抑制基因,且之後由各 種觀點分析其生理功能。於1998年之報告中指出,ρτΕΝ 基因產物展現一種新穎之磷酸酶活性,亦即,該基因產 物可使磷脂醯肌醇3,4,5-三磷酸酯(PIP3)受質(其為脂質 之二次訊息者(second messenger))之D3位置去碟酸化 (參照 Beitner-Johnson D,Millhorn DE,Chem 273:pp.13375- 1 3378,1998)。 由PTEN之功能的觀點,認為當抑制pTEN時,可 315516 6 1323660 有效促進正常細胞、腦細胞、心臟細胞、以及皮膚之存 活’且亦可有效抑制格蘭氏陰性菌(Gram-negative)之腐 敗作用以及細胞移動與細胞侵略。 此外,已知鉀通道之開啟會引起細胞内之鉀離子流 出細胞’造成負的細胞内電位,以及該鉀通道係與電壓 相關且由細胞内之鈣的濃度與細胞内ATP控制。Maxi-K通道係一種高傳導弼敏感性钟通道,以及該Maxi_K 通道之活性係由細胞内之鈣濃度與細胞膜電位等所控 制。s亥Maxi-K通道廣泛地分布於活體中例如神經元、 心臟細胞、平滑肌細胞,且Maxi-K通道之開啟會引起 細胞之向度極化作用。亦已知Maxi-K通道之開啟可用 於治療神經元失調,例如作為藥劑,如(1)抗痙攣藥物、 (2)神經保護之藥物,用於治療局部小腦水腫以及神經運 動損傷 '認知失調、創傷性的腦損害、柏金森氏症、癲 痛、偏頭痛以及阿滋海默症、(3)控制疼痛之藥物、(4) 治療急迫性尿失禁、腸過度運動(hyperm〇tiUty)、子宮收 縮、焦慮以及沮喪之藥物。 【發明内容】 於研究PTEN之期間,本案之發明人發現上述式⑴ 所不之四唑基烷氧基_二氫2_羥基喹啉化合物或其鹽尤 其係6-[4-(1-環己基_1H_四唑_5基)丁氧基卜3,4-二氫_2_ 羥基喹啉或其鹽(已知該化合物具有血小板凝集抑制活 性以及血官擴張活性),展現出抑制ρτΕΝ之活性,因 此,將其作為ΡΤΕΝ抑制劑而完成本發明。 7 315516 1323660 再者於研九Maxi-K通道之功能性分析期間,本 案之發明人發現上述式⑴所示之四嗤基烧氧基_二氮2_ 經基嗟琳化合物或其鹽,尤其係6_[4_(1_環己基_ih-四 口坐-5-基)丁氧基]-3,4_二氫_2_經基喹啉或其鹽(已知該化 合物具有血小板凝集抑制活性以及▲管擴張活性),展現 出開啟Maxi-K通道之活性,因此,將其作為Maxi_K通 道開啟劑而完成本發明。 本發明提供一種新穎之P 丁 E N抑制劑或一種新穎之 Maxi-K通道開啟劑,其包括式⑴之㈣織氧基_2•經 基喹啉化合物或其鹽作為活性成分。本發明進一步提供 一種抑制PTEN之方法及開啟Maxi_K通道之方法,該 方法包括對需要此種治療之病患投予該四唑基烷氧基_ 2-經基喹啉化合物⑴或其鹽,以及本發明進—步提供以 該四唑基烷氧基-2-羥基喹啉化合物⑴或其鹽抑制ρτΕΝ 以及開啟Maxi-Κ通道之用途。 式⑴之化合物或其鹽具有優異之pTEN抑制作用, 因此含有以式(I)之化合物或其鹽作為活性成分之本發 明之PTEN抑制係作為促進正常細胞、腦細胞、心臟 :胞、以及皮膚存活之藥劑,且進—步抑制格蘭氏陰性 菌之腐敗作用以及細胞移動與細胞侵略而無因抑制 PTEN所造成之副作用。 再者,式⑴之化合物或其鹽具有優異之開啟高傳導 鈣-活化之K+通道(Maxi-K通道)的作用,因此含有以式 ⑴之化合物或其鹽作為活性成分之本發明之Maxi_K通 315516 8 物J係作為冶療神經元失調之藥劑’例如抗痙攣藥 運動:。:保護之藥物、用於治療局部小腦水腫以及神經 貝:、忍知失調、創傷性的腦損害、柏金森氏症、 二二r以及阿滋海默症、疼痛、治療急迫性尿失 -腸過度運動、子宮收縮、焦慮以及沮喪之藥物。 制供式⑴之四唾基貌氧基_:氫基喹啉化合物及其 i備方法係揭示於ΙΡ·63·20235。 式⑴中’ 5亥「%烷基」包含c3.8環烷基例如環丙基、 :丁基、環戍基、環己基、環庚基、環辛基等,但是以
玉衣己基較佳。「柄山去 L 低反數伸烷基」包含(^ 6伸烷基例如亞 甲基伸乙基、伸丙基、伸丁基等但是以伸丁基較佳。 寺佳之化5物係6_ [4-(1 -環己基-1H-四嗤-5 -基)丁 氧基]3,4-—氫_2_羥基喹啉,該化合物已經以西洛他唑 (cilostazol)之商品名販售。 本發明之式(I)化合物可大量使用或較佳係與習知 之醫樂载體或稀釋劑呈現醫藥製劑之方式使用。並不限 於特疋劑罝形式,可為任一種習知之劑量形式,例如, 經口杈予之製劑’例如錠劑、膠囊、粒劑、各種適合經 口投予之液體製劑、或非口服投予之製劑,例如注射、 检劑°劑量不限於肖定範圍’自是通常係成人(體重為 5 Okg)母日1 〇〇至,可一次投予或分成數次投予。 §亥製劑中,較佳為每單位劑量含有50至1 00mg之活性 化合物。 注射製劑通常係以液體製劑、乳劑、或懸浮劑之形 315516 9 气氣備’其係經滅菌 等渗透壓之形式。呈液d:製備成與血液呈 :利用:知之醫藥稀釋劑製備,例劑二劑通常 。乙氧化之異硬脂基醇、聚氣仆 醇、丙二 乙烯山梨醇脂肪酸醋。此等製硬脂基醇、聚氧 鈉、葡萄糖、甘油)合併,該等張劑:=(例如氣化 2到等渗透壓,且該製劑可進…==使製劑 衝液、麻醉劑,以及m a、&知之溶解劑、緩 調味劑、心 *要之者色劑、防腐劑、香料、 甜味劑、以及其他藥劑合併。 知方==製劑(例如旋劑、勝囊、液劑)可經由習 凝粉、i::::由混合習知醫藥載體,例如明膠、 囊可經由、、滑石、阿拉伯膠等而製備。膠 膠膠囊咬=填充劑或稀釋劑且填充於硬明 藥係經由………&體製劑例如糖漿或萬能 (例如對/物與甜味劑(例如簾糖)、防腐劑 對麵苯甲酸甲醋、對經苯甲酸丙酿)、著色劑、調 μ等而製備。非σ服投予之製劑亦可經由習知方法製 ’例如經由將本發明之化合物⑴溶解於無菌水溶液載 ’較佳為水或鹽水。適合非口服投予之較佳的液體製 劑係經由將約50至100mg之活性化合物⑴溶解於水及 有機溶劑或者具有分子量為3〇〇至5〇〇〇之聚乙二醇其 較佳與潤滑劑合併,例如羧酸鈉_甲基纖維素、甲基纖維 素眾乙烯吡咯坑酮、以及聚乙烯醇。上述液體製劑進 步較佳可與消毒劑(例如苯甲醇、酚、局部抗菌劑)、 315516 10 丄: 杀又真囷劑、以及進一步視需要與等張劑(例如蔗糠、氯化 鈉)、局部麻醉劑、安定劑、緩衝劑等合併。於保存安定 性之觀點,非口服投予之液體製劑可經由以習知冷凍乾 燥之技術移除水性媒介,接著填充於膠囊,以及當使用 時藉由溶解於水性媒介予以復原成液體製劑。 【實施方式】 藉由下列製傷例以及以該化合物對增加之pTEN填 酸化(該PTEN磷酸化作用係由ΤΝρ·α所刺激)或隐‘ K+通道開啟之抑制效果之實驗說明本發明,但是不應以 此等實施例限制本發明之範圍。 製備例1 製備注射製劑: 成分 6-[4-(1-環己基 _ΐΗ 二氫2-羥基喹啉 •四嗤_5·基)丁氧基]-3,4- 聚乙二醇(分子量:4000) 氯化鈉 聚氧乙烯山梨醇單油酸酯 偏亞硫酸鈉 對羥苯甲酸曱酯 對羥苯曱酸丙酯 注射用蒸餾水 ±_5g 〇.3g 〇.9g 〇.4g 0.1 g 〇.18g 〇.〇2g 1 0.0ml 上it對Mi本甲k醋' 偏亞硫酸鈉以及氣化納係於8 〇 t攪拌下溶解於—半量之上述蒸餾水中。將混合物冷卻 至40 c,且於其中溶解該活性化合物,以及進一步溶解 聚乙一醇與聚氧乙烯山梨醇單油酸酯。將剩餘的注射用 蒸餾水加入混合物中,藉由濾紙過濾而滅菌,得到所欲 315516 1323660 之注射製劑。 製備例2 製備錠劑: 成分 旦 6-[4-(1-環己基-1H-四唑-5-基)丁 氧基]·3,4· 二氫2-羥基喹啉 g 40g 4〇g 20g 4g 2g 乳糖(Japanese Pharmacopeia) 玉米殿粉(Japanese Pharmacopeia) 結晶纖維素(Japanese Pharmacopeia) 輕丙基纖維素(Japanese Pharmacopeia) 硬脂酸鎂(Japanese Pharmacopeia) 將上述之本發明化合物、乳糖、玉米澱粉與結晶纖 維素混合均勻以及將該混合物與5%羥丙基纖維素之水 溶液一起造粒,以及將粒狀之混合物以2〇〇網眼之筛子 篩選俾小心地乾燥該顆粒,然後經由習知方法將顆粒打 錠,得到錠劑(1000錠)。 藥理實驗 測試本發明之代表性化合物:西洛他唑於抑制由 TNF- α刺激而增加之pTEN磷酸化程度的作用。 再者,測試本發明之代表性化合物:西洛他唑以及 某些市售之Maxi-K通道開啟劑或阻斷劑,於開啟 Maxi-K通道的作用。 實驗 西洛他嗤對由TNF- α刺激而增加之PTEN構酸化程 度的作用: 材料: 12 315516 1323660 細胞培養:將SK-N-SH (KCLB 3001 1,人類腦神經 母細胞瘤)細胞培養於含有2mM L-麩醯胺酸及l.OmM丙 酮酸鈉且補充10%經加熱去活性化之胎牛血清的
Eagle’s最低必需培養基(MEM)。使細胞生長於37T:、 5Λ C〇2的環境中至高緻密度(c〇nfiuenci)以及用於實驗 之細胞不超過20個繼代。
TNF- α 溶液之製備:將 tnF- a (Upstate Biotechnology,inc·,Lake Placid, NY)溶解於磷酸緩衝鹽 水製成1 Opg/ml之儲備溶液。 方法: 西方點墨分析··以TNF- α刺激前,高緻密度的細胞 先經含有1 % FBS之MEM培養基與西洛他唑處理3小 時,然後暴露於TNF- α下1小時。
將細胞於含有 50mMTris-Cl(pH8.0)、150mM NaCl、0.02%疊氮鈉、lOOpg/ml苯甲基績酿氟、lpg/ml 抑肽酶(aprotinin)以及 1% Triton X-100 之溶解(lysis)緩 衝液中溶解。接著於。12,000rpm離心,將50pg之總蛋白 質裝載至8或10% SDS-PAGE凝膠,以及轉移至硝化纖 維素膜(Amersham Pharmacia Biotech,Piscataway,NJ)。 然後將經阻隔處理之膜與經指示之抗體培養,使用由 Supersignal West Dura Extended Duration Substrate Kit (Pierce,Rockford,IL)建議之化學冷光試劑觀察具有免 疫活性之帶(band)。該帶之訊號以GS-710 Calibrated imaging Densitomerter (Bio-Rad Laboratories, Hercules, 13 315516 1323660 CA)定量。以相對密度表示結果。抗PTEN ’磷酸-PTEN (Ser380/Thr382/383 之多株抗體)係得自 Cell Signaling Technology (Beverly, ΜΑ)。 統計分析:以平均值± SEM表示結果。經由 Student’s t-試驗決定組別間的統計差異。p<0.05係認為 具有顯著性。 結果: 西方點墨及密度分析之結果顯示於隨附的第1圖。 如第1圖所示,西洛他唑(1、1 0、及1 ΟΟμΜ)對抑制經由 TNF- a (5 0ng/ml)刺激而增加之ΡΤΕΝ磷酸化程度係呈濃 度-相依性。 由上述實驗結果,可清楚地顯示西洛他唑具有抑制 PTEN填酸化之有效活性。 實驗例2 材料: 細胞培養:將SK-N-SH (KCLB 3001 1,人類腦神經 母細胞瘤)細胞培養於含有2mM L-麩醯胺酸及1 .OmM丙 酮酸鈉且補充1 〇%經加熱去活性化之胎牛血清的
Eagle’s最低必需培養基(MEM)。使細胞生長於37。(:、 5% C〇2的環境中至高緻密度以及用於實驗之細胞不超 過20個繼代。 試驗藥物: (1)西洛他唑(本發明之化合物,商品名為 環己基-1H-四唑-5-基)丁氧基]_3,4·二氫-2-羥基喹啉)。 14 315516 1323660 (2) 格列本(glibenclamide,簡稱為「GBC」,一般名 稱為:格列班脲(glyburide),化學名稱為:5-氣-N-[2-[4-[[[(環己基-胺基)羰基]胺基]磺醯基]苯基]乙基]_2_甲 氧基-苯曱醯胺。其為市售可得之抗糖尿病藥劑,為ATP-敏感性K+通道之阻斷劑)。 (3) 艾貝瑞爾托可辛(iberiotoxin,簡稱為「ibtx」,其 係已知之Maxi-K +通道阻斷劑)。 方法: 紀錄整個細胞之K+電流:該實驗係於固定在倒立顯 微鏡(Inverted Microscope,Nikon 型號 ΤΕ300,Tokyo,
Japan)之鏡臺上連續以之流速注入的小型浴 (0.5ml)中進行。利用膜片甜技術(patch cl amp)之整個細 胞構型,於至(20至22°C )下以Axopatch-200B膜片钳 放大器(Axon Instruments,Foster City,CA)紀錄 K+電 流。於Ο.5至5 kHz去假頻濾波(antNaUas fihering)後, 於1至1 0 kHz進行電流抽樣。數據之取得及之控制之電 位係由 pClamp 6.0.3 軟體(Αχ〇η Instruments, F〇ster Chy, CA)控制。為了確保電壓鉗之品質,電極之電阻保持在 低於3 Μ Ω下。於標準浴溶液中將電極之接界電位 Junction P〇tertial歸零。巨歐姆阻抗封接形成(§如如
Seal f〇rmati〇n)係由吸入,然後建立整個細胞構型而達 成’於5〇他紀錄由_8〇1^階段性對稱的1〇1^電壓 甜所引起之瞬間雷宜,,、,4 @ Α A & ]电谷以计异細胞電流容量。整個細胞 紀錄用之正常的浴^、'交^ · XT 1 ^ 巾日J 冷冷液係.NaCl 13〇mM、KC1 5mM、 15 315516 1323660
MgCl2 1.2mM、CaCl2 1.8mM、HEPES 10mM、葡萄糖 5.2mM以及pH以NaOH調整為7.4。於移液管中填充 KC1 140mM、MgCl2 0.5mM、CaCl2 O.lmM、乙撐雙(氧 代氮川)四-乙酸(EGTA) 0.09mM、HEPES lOmM、葡萄糖 lOmM以及pH以NaOH調整為7.4。 建立整個細胞之紀錄與收集控制紀錄後約5分鐘直 到由去極化所引起之電流穩定,將西洛他唑施用至浴 中。實驗組中,使用格列本或艾貝瑞爾托可辛,於施用 格列本或艾貝瑞爾托可辛2 0分鐘後,於浴中施用西洛他 〇坐 〇 結果: 試驗結果顯示於隨附的第2圖,其中第2a圖顯示 西洛他唑之作用,第2B圖顯示西洛他唑及/或格列本 (「GBC」,提示其可開啟Maxi_K +通道)之作用,以及第 2C圖顯示西洛他唑及/或艾貝瑞爾托可辛(「ιΜχ」, Maxi-K +通道阻斷劑)之作用。 如第2圖所示,西洛他唑顯著地使電流增加,但是 另-方面’藉由於浴中添加艾貝瑞爾托可辛(ι〇〇ηΜ)而 可逆地阻斷電流’格列本(1ϋμΜ)則否。甚至於與格列本 共同存在下,西洛他唑仍可增加由Maxi_K通道調節之 電流,然而單獨只有格列本則無法增加Maxi-K通道調 節之電流。當西洛# nα , 又貝粍爾托可辛(Maxi-K通道 阻斷刻)一起添加至細胞φ拉说-=,. 肥〒時,増加之電流比單獨添加艾 貝瑞爾托可辛時來的少。 16 315516 1323660 营驗例3 1. 化合物之製備 載劑對照組;0.5%羧曱基纖維素。一天兩次(n=l〇) 西洛他η坐,.l〇〇mg/kg。一天兩次(η=ι〇) 藉由瑪瑙研缽磨碎小量之粉末(西洛他唑)。加入> 或三滴〇·5%羧甲基纖維素(CMC)且仔細磨碎。加入4 至5ml之0.5。/。CMC以及回收懸浮之西洛他唑至不透光 之玻璃瓶。 試驗化合物製劑之濃度為1〇〇〇mg/5〇ml,且貯存於4 °C不透光之環境中。 化合物投予 投予則’以超音波震盪機震盪試驗化合物之貯存瓶 以及使之混合均勻。 每組一天兩次經口胃管餵食化合物。 載劑對照組(〇.5%羧甲基纖維素:CMC ; ikg/5ml) 一天胃管餵食兩次。試驗化合物(西洛他唑' lOOmg/kg/Sml)—天胃管餵食兩次。 2. 觀察 '檢驗及測量之方法 a•办隨機將動物(8週齡,半合基因轉殖小鼠,表現 犬變的人類ΑΡΡκ6·為川/株Tg2S76)分成兩組雙 重基因轉殖APP/PS1小鼠(對照組及西洛他唑 共2G隻小鼠)。如下表所示,各老氛每天胃 管健食兩次投予持續6週, 315516 17
實驗設計 !照組(載劑) 小鼠之數目 1 〇 實驗結表 年齡 成驗化合物 €週·齡 ! U 10 Μ週齡'' 1 4 调齡 ~~ ^~~~ h _ yl\ S -fc\. T 隻小鼠 ~ ^ ---J b·小鼠於研究開始及結束時基因型化 _ C•於70成存活相in-life phase前將小鼠進行γ_迷宮 行為範例(Y_maze pai>a(jigm)。 d. 於14週齡時將小鼠殺死。 e. 將小乳臧死時收集1 ml的血液,以測定血液中西 z各他唑的濃度’且將APP/PS1小鼠以鹽水灌注。腦切成 兩半,將一半固定以及另一半冷凍。 f.將冷凍的腦半球均質化且經由ELISA分析總澱粉 樣蛋白-β (amyl〇id_p)之濃度。 檢測對照組與經西洛他唑處理組之小鼠腦中的Α·ρ 〇及Α β 42之總濃度。結果顯示於隨附的第3圖。 3.程序 下列程序係概述進行「Υ-迷宮中之自發性交替作 用」之步驟。小鼠天生具有探索其所處環境之天性。成 功的板索係取決於避開最近已探訪過之地區的能力該 也區的艮物已經耗盡或者已無食物(「自發性交替作 用」)。Υ-迷宮係—種動物行為為主之試驗,其不涉及報 秘技遞。具有經折衷的「工作記憶」官能之小鼠無法於 其工作s己憶中保有關於已探訪之地區的資訊;因此該等 小鼠顯示出降低之自發性交替作用 18 315516 1323660 由公開的結果顯示出降低之自發性交替作用以及於 某些基因轉殖株小鼠(例如APP/PS 1小鼠)中增加之探 索。 + _ /Μ ,六艰 用於ASO以及預防二次腦梗塞。 西洛他唑的這些作用可有助於降低澱粉樣蛋白 的沉積,以及改善阿滋海默症之行為。 i·將欲進行試驗之小鼠攜帶至試驗場所。避免同時 攜帶太多小鼠(超過3籠)至試驗區,這會影響小鼠的行 若試驗動物未做其他記號,可視需要藉由訊號發射 盗或清晰可見的花紋在試驗動物做記號。)依下列順序, 、非母性的顏色標記在試驗動物的尾部上做記號: 1 :紅色 2 :綠色 3 :藍色 4 :里耷 /·以錄影機紀錄實驗。如此可提供永久性的紀錄以 及右有任何疑問’研究人員可反覆觀看該實驗紀錄。
Ul.由小鼠的尾根部將欲進行試驗之第—隻小鼠自 :蘢中取出’以及秤重。將重量紀錄在厂迷宮工作表 ::將小鼠放回籠中。(或者,可於實驗開 枰重,例如實驗前一日) ^ 卢。:·試驗開始前1小時勿使小鼠受驚嚇,使其適應 兄布特別注意勿將籠子置於特定的臂狀物鄰近處,例 3I55J6 19
丄:^ GOD =真見可旎會影響小鼠進入進入單一臂狀物。因此, 4子放置處應與儀器保持—段距離或確保蘢子平均地分 布在試驗場所。(例如可同時攜帶3籠小鼠?各置於臂狀 物附近)°技術人員可出現在試驗場所,但是不可以使小 鼠受驚嚇。 v. 試驗開始前,以異丙醇擦拭Y-迷宮的内部。 vi. 溫和地由尾部抓住小鼠以及使其於臂狀物上休 息,小〜勿使小鼠跳入迷宮。分別將小鼠置於Y迷宮的 中央,所有3隻臂狀物(臂狀物a、臂狀物B、以及臂狀 物C)皆可供小鼠進行探索,時間為8分鐘。 vii. 於列印出之γ_迷宮資料表上紀錄所有入口。若 小鼠完全進入臂狀物A,則於臂狀物進入區鍵入「A」 等》 若小鼠探索至臂狀物終點,則於同一列之 OBSERVATIONS中鍵入「end」’「R」係表示每次小鼠坐 下(坐在其後腿上而前腳可自由活動)或若小鼠的身體傾 斜(「探索迷宮的牆壁」係以前腳觸碰牆壁)則紀錄「L」, 以及若小鼠停滞不動(5秒或更久的時間内很少移動)則 紀錄「F」。若小鼠在臂狀物A中來來回回,則於同一列 之OBSERVATIONS中鍵入「bf」。於表中鍵入任何所觀 察到之現象。若無足夠的時間鍵入觀察到之現象,則可 略過。若小鼠回到中心,則以新的一列重新紀錄。若小 鼠回到臂狀物A,則於新的一列中鍵入「A」,回到臂狀 物B則鍵入「B」,或回到臂狀物C則鍵入r c」。 315516 20 1323660 V⑴.8分鐘後,抓住小鼠的尾部將其移出迷宮且放 回籠子中。在Y_迷宮卫作表格上紀錄^數以及小氣是 否在迷宮中排尿。以異丙醇擦拭γ_迷宮的内部❶使用刷 子清理迷宮轉角4 t牆壁與地&。由力先前進行試驗之 小鼠可能會將墊料或食物帶進迷宮,故需確定γ_迷宮係 乾淨的且無任何氣味。以醇類清理後,確認γ迷宮係乾 燥的。確認迷宮中未留下清理物(例如紙巾)。 ” i X.將所有欲試驗之小鼠重複上述步驟。 X.s式驗後’將數據鍵入Excei工作表格。 Y-迷呂行為把例所知到之結果摘述於隨附之第4 圖。 xi.數據分析:交替係定義為在無重複_進入下探訪 所有三個臂狀物(八队、八(:3、^卜6(:八、.(:^或、^八)。 各別分析各臂狀物進入以及決定是否完成交替。序列 ABC ABC具有四次交替,第一次之終點為匸,接著為a, 然後為B ’然後為c。序列ABCBAC僅具有三次交替, 第一次之終點為C,第二次為A,然後第三次為c。% 父替係(觀察到之交替數)/(可能的交替數)。若探訪η個 臂狀物,可能的交替數最高為η_2。若動物係自由移動, 可預估22%之交替(3*2* 1/3*3 *3)。總體活動力係反應於 棟訪不同臂狀物之總數。因此,活動力係(臂狀物之進入 總數)/(觀察時間)。 因此,本發明之四唑基烷氧基-二氫2-羥基喹啉化合 物(1)或其鹽可有效開啟Maxi-K通道以及用於治療神經 21 315516 1323660 兀失調,特別係治療阿滋海默症。 產業利用枓 本發明提供一種包括以四唾基烧氧基_二氫2_經基 嗤啉化合物⑴或苴幽作# 田 )飞/、瓜作為活性成分之組成物,其具有優 異之PTEN抑制敎果β Α 仰制效果以及作為促進正f細胞、腦細胞、 心臟細胞、以及皮膚存活藥 带月』且亦可抑制格蘭氏陰 之敗作用以及細胞移動與細胞侵略而無因抑制 所化成之*彳作用。本發明組成物亦可作為高傳導 約·活化之K+通道(Maxi_K通道)的開啟劑,因此可作為 治療神經元失調之藥劑,例如,抗痙攣藥物、神經保護 劑、治療局部小腦水腫以及神經運動損傷、認知失調、 創傷I·生的腦扣害、柏金森氏症、癲癇、偏頭痛以及阿滋 海默症等之藥劑。 【圖式簡單說明】 第1圖顯示藉由西洛他唑(cil〇staz〇l,6_[4·(1_環己 基-1Η-四唑_5_基)丁氧基]·3,4_二氳_2•羥基喹啉之商品 名)抑制經由TNF_ α (50ng/ml)刺激而增加之ρτΕΝ磷酸 化程度。 第2圖顯示於SK-N-SH細胞中藥物對開啟的-活化 之Κ+電流的作用,以及第2Α圖顯示西洛他唑^ 環己基-1H-四唑-5-基)丁氧基]_3,4·二氫·2_羥基喹啉之 商品名)之作用,第2B圖顯示西洛他唑及/或格列本 (glibenciamide,簡稱為「GBC」,其係市售可得之抗糖 尿病藥物,提示其不具有開啟ATP_敏感性κ+通道之能 315516 22 1323660 2C圖顯示西洛他唑及/或艾貝瑞爾托 力)之作用,以及第 鉀離子通道阻斷劑: 提示其可開啟Maxi_ 可辛(iberiotoxin,簡稱為「Ibtx」 其係已知之Maxi-K+通道阻斷劑, K+通道)之作用。 第3圖顯示對照組及西洛他唑處 紋理組之小鼠腦中澱 粉樣蛋白-β (amyl0id-p)之總濃度(A_p 4〇及A p 42之濃 度)’該濃度係藉由ELISA測定。 第4圖顯不得自將γ_速呂行為範例用於測試本發明 化合物對阿滋海默症之效果之實驗結果摘要。 315516 23
Claims (1)
- 第93103143號專利申請案 (99年1月6曰) 拾、申請專利範圍: h —種PTEN抑制劑,其係包括以式⑴之四唑基烷氧基 二氫2-羥基喹啉化合物或其鹽作為活性成分: 〇一(I) 其中R係C3·8環烷基,八係Cl·6伸烷基,以及位於2_ 羥基喹啉核之3-及4-位置間之鍵結係單鍵或雙鍵。 2·如申請專利範圍第1項之PTEN抑制劑,其中,該活性 成分為6-[4-(1-環己基-1H-四唑_5_基)丁氧基]_3,心二氫 2-羥基喹啉或其鹽。 3·—種抑制PTEN之醫藥組成物,其係以如申請專利範圍 第1項之式(I)所述之四唾基烷氧基·二氫孓羥基喹啉化 合物或其鹽作為活性成分而與習知醫藥上可接受之載 體或稀釋劑混合。 4· ^申請專利範圍第3項之醫.藥組成物,其中,該活性成 分為6-[4-(1-環己基-1H·四唑_5-基)丁氧基]·3,4_二氫2_ 羥基喹啉或其鹽。 5. 一種如申請專利範圍第!項所定義之式⑴之四唑基烷 氧基-二氫2-羥基喹啉化合物或其鹽之用途,係用於製 造抑制ΡΤΕΝ之藥劑。 6. 如申請專利範圍第5項之用途,其中,該活性成分為 315516(修正版) 24 1323660 第93103143號專利申請案 ^ ("年1月6月日') 6-[4-(1-裱己基·1H_四唑,5_基)丁氧基]二氫入羥美 喧淋或其鹽。 & 7·種K通道開啟劑,其係包括以式⑴之四唑基烷 氧基-二氫2-羥基喹啉化合物或其鹽作為活性成^心其中R係C3·8環烷基,A係C1·6伸烷基,以及位於2_ 羥基喹啉核之3-及4-位置間之鍵結係單鍵或雙鍵。 8. 如申請專利範圍第7項之Maxi-K通道開啟劑,其中, 該活性成分為6-[4-(1-環己基-1H -四唾_5·基)丁氧 基]-3,4-二氫2-經基喧你或其鹽。 9. 一種開啟Maxi-K通道之醫藥組成物,其係以如申請專 利範圍第7項所定義之式(1)之四唑基烷氧基-二氫孓羥 基喹啉化合物或其鹽作為活性成分而與習知醫藥上可 接受之載體或稀釋劑混合。 10. 如申請專利範圍第9項之醫藥組成物,其中,該活性成 分為6·[4·(1_環己基_1H-四唑_5_基)丁氧基]-3,4二氫2_ 羥基喹啉或其鹽。 11. 如申請專利範圍第9或10項之醫藥組成物,其係用於 治療神經元失調。 12. 如申請專利範圍第π項之醫藥組成物,其中,該神經 315516(修正版) 25 i32366〇 第93103143號專利申請案 (99年1月6日) 元失調係阿滋海默症。 13,如申請專利範圍第11項之醫藥組成物,其中,該神經 元失調係選自痙攣、局部小腦水腫、神經運動損傷、認 知失調、創傷性腦損傷、妯 、费柏金森氏症、癲癎、偏頭痛、 疼痛、急迫性尿失荦、腊 不^過度運動、子宮收縮、焦慮及 14.Γ種如^請專利範圍帛7項所定義之式⑴之四唾基院 氧 氫2L基啥琳化合物或其鹽之用途’係用於製 造開啟Maxi-K通道之藥劑。 !5.如申請專利範圍第14項之用途,其中,該活性成分為 6-[4-(1-環己基]H_四唾·5_基)丁氧基]3,4·二氫2_經基 喹啉或其鹽。 16.如申1專利乾圍第14或15項之用途,係用於製造治療 神經元失調之藥劑。 17·如申請專利範圍第16項之用途,其中,該神經元失調 係阿滋海默症。 18.如申明專利範圍第16項之用途,其中,該神經元失調 ir k自痙擎、局部小腦水腫、神經運動損傷、認知失調、 創傷1±腦知傷、柏金森氏症、癲癎、偏頭痛、疼痛、急 迫性尿失禁、腸過度運動、子宮收縮、焦慮及憂#。 26 315516(修正版)
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| TW200501954A TW200501954A (en) | 2005-01-16 |
| TWI323660B true TWI323660B (en) | 2010-04-21 |
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|---|---|---|---|
| TW093103143A TWI323660B (en) | 2003-02-25 | 2004-02-11 | Pten inhibitor or maxi-k channels opener |
Country Status (19)
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|---|---|
| US (3) | US7825130B2 (zh) |
| EP (1) | EP1599205B1 (zh) |
| JP (3) | JP4590397B2 (zh) |
| KR (1) | KR101031163B1 (zh) |
| CN (2) | CN101829116B (zh) |
| AR (1) | AR043379A1 (zh) |
| AT (1) | ATE345800T1 (zh) |
| AU (1) | AU2004216340B9 (zh) |
| BR (1) | BRPI0407832A (zh) |
| CA (1) | CA2515590C (zh) |
| CY (1) | CY1106294T1 (zh) |
| DE (1) | DE602004003348T2 (zh) |
| DK (1) | DK1599205T3 (zh) |
| ES (1) | ES2276282T3 (zh) |
| MX (1) | MXPA05008996A (zh) |
| MY (1) | MY136863A (zh) |
| PT (1) | PT1599205E (zh) |
| TW (1) | TWI323660B (zh) |
| WO (1) | WO2004075897A1 (zh) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI323660B (en) * | 2003-02-25 | 2010-04-21 | Otsuka Pharma Co Ltd | Pten inhibitor or maxi-k channels opener |
| TW200848041A (en) | 2007-03-30 | 2008-12-16 | Otsuka Pharma Co Ltd | A medicament for treating schizophrenia comprising cilostazol |
| RU2469723C2 (ru) * | 2007-05-22 | 2012-12-20 | Оцука Фармасьютикал Ко., Лтд. | Лекарственное средство, содержащее производное карбостирила и донепезил, для лечения болезни альцгеймера |
| AR067746A1 (es) * | 2007-08-02 | 2009-10-21 | Otsuka Pharma Co Ltd | Un medicamento para tratar glaucoma que comprende como elemento activo compuesto de ciclodextrina - clatrato de cilostazol |
| AU2009205771B2 (en) | 2008-01-17 | 2014-12-11 | Kui Liu | Methods for in vitro maturation of ovarian follicles |
| AR070816A1 (es) * | 2008-03-14 | 2010-05-05 | Otsuka Pharma Co Ltd | Farmaco de combinacion para tratar trastornos vasculares |
| US20110189308A1 (en) * | 2008-03-17 | 2011-08-04 | Asa Abeliovich | Methods to treat neurodegenerative conditions or diseases by targeting components of a pten signaling pathway |
| EP2502623B1 (en) * | 2008-06-06 | 2016-04-06 | Children's Medical Center Corporation | Promoting Axon Regeneration in the Adult CNS through Control of Protein Translation |
| CA2777628C (en) | 2009-10-16 | 2019-12-03 | The University Of British Columbia | Inhibitors of phosphatase and tensin homolog (pten) compositions, uses and methods |
| EP2322163A1 (en) * | 2009-11-03 | 2011-05-18 | Pharnext | New therapeutics approaches for treating alzheimer disease |
| EP2773382A4 (en) | 2011-11-01 | 2016-03-23 | Childrens Medical Center | SIMULTANEOUS ACTIVATION OF MTOR AND STAT3 PATHS TO PROMOTE NEURONAL SURVIVAL AND REGENERATION |
| KR20150027800A (ko) | 2012-06-15 | 2015-03-12 | 고에키 자이단 호징 센탄 이료 신코 자이단 | 경도 인지 장해의 예방 및/또는 치료제 |
| JP2016040542A (ja) * | 2014-08-13 | 2016-03-24 | 学校法人金沢医科大学 | 認知症治療薬または認知症治療薬候補物質のスクリーニング方法 |
| JP2017070404A (ja) * | 2015-10-06 | 2017-04-13 | アンディ チャオ | トイレ床面の清潔な芳香パッド |
| WO2017199755A1 (ja) * | 2016-05-19 | 2017-11-23 | 国立研究開発法人国立循環器病研究センター | 認知症の予防及び/又は治療のための薬剤 |
| EP4151213A4 (en) * | 2020-05-11 | 2024-05-29 | Shimadzu Corporation | THERAPEUTIC FOR MILD COGNITIVE IMPAIRMENT |
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| JPS5535019A (en) * | 1978-09-01 | 1980-03-11 | Otsuka Pharmaceut Co Ltd | Carbostyryl derivative |
| JPS5649378A (en) * | 1979-08-25 | 1981-05-02 | Otsuka Pharmaceut Co Ltd | Tetrazolylalkoxycarbostyril derivative |
| JPH0653666B2 (ja) | 1990-10-22 | 1994-07-20 | 大塚製薬株式会社 | ヒトの糖尿病性知覚障害および末梢神経障害の治療剤 |
| JPH0614444A (ja) * | 1992-06-25 | 1994-01-21 | Central Japan Railway Co | 電力ケーブル接続部の固定装置 |
| AU5715994A (en) * | 1992-12-24 | 1994-07-19 | Otsuka Pharmaceutical Co., Ltd. | Psoriasis remedy |
| JPH06239745A (ja) * | 1992-12-24 | 1994-08-30 | Otsuka Pharmaceut Co Ltd | 乾癬治療剤 |
| JPH0776584A (ja) | 1993-09-07 | 1995-03-20 | Otsuka Pharmaceut Co Ltd | 内皮細胞障害抑制剤 |
| JP3944257B2 (ja) | 1995-12-07 | 2007-07-11 | 大塚製薬株式会社 | 肝実質細胞増殖因子産生増加剤 |
| US6322524B1 (en) * | 1997-08-28 | 2001-11-27 | Visco Technologies, Inc. | Dual riser/single capillary viscometer |
| US6322525B1 (en) * | 1997-08-28 | 2001-11-27 | Visco Technologies, Inc. | Method of analyzing data from a circulating blood viscometer for determining absolute and effective blood viscosity |
| US6019735A (en) * | 1997-08-28 | 2000-02-01 | Visco Technologies, Inc. | Viscosity measuring apparatus and method of use |
| US6428488B1 (en) * | 1997-08-28 | 2002-08-06 | Kenneth Kensey | Dual riser/dual capillary viscometer for newtonian and non-newtonian fluids |
| MXPA00010254A (es) * | 1998-05-01 | 2002-08-06 | R Cutler Neal | Tratamiento de disfuncion sexual en ciertos grupos de pacientes. |
| US6187790B1 (en) * | 1999-03-04 | 2001-02-13 | Neal R. Cutler | Use of cilostazol for treatment of sexual dysfunction |
| US6294192B1 (en) * | 1999-02-26 | 2001-09-25 | Lipocine, Inc. | Triglyceride-free compositions and methods for improved delivery of hydrophobic therapeutic agents |
| US6267985B1 (en) * | 1999-06-30 | 2001-07-31 | Lipocine Inc. | Clear oil-containing pharmaceutical compositions |
| US6257985B1 (en) * | 1999-10-01 | 2001-07-10 | Rexnord Corporation | Global shaft coupling |
| US6484565B2 (en) * | 1999-11-12 | 2002-11-26 | Drexel University | Single riser/single capillary viscometer using mass detection or column height detection |
| JP4159224B2 (ja) | 2000-02-29 | 2008-10-01 | 三洋電機株式会社 | 食器洗浄機 |
| US6458804B1 (en) * | 2001-01-26 | 2002-10-01 | R.T. Alamo Venturesi, Llc | Methods for the treatment of central nervous system disorders in certain patient groups |
| US6743806B2 (en) * | 2002-10-23 | 2004-06-01 | Otsuka Pharmaceutical Company, Limited | Active oxygen scavenger |
| TWI323660B (en) * | 2003-02-25 | 2010-04-21 | Otsuka Pharma Co Ltd | Pten inhibitor or maxi-k channels opener |
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- 2004-02-17 MY MYPI20040511A patent/MY136863A/en unknown
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- 2004-02-24 JP JP2006502683A patent/JP4590397B2/ja not_active Expired - Fee Related
- 2004-02-24 KR KR1020057015646A patent/KR101031163B1/ko not_active Expired - Fee Related
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- 2004-02-24 WO PCT/JP2004/002146 patent/WO2004075897A1/en not_active Ceased
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- 2004-02-24 AU AU2004216340A patent/AU2004216340B9/en not_active Ceased
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- 2004-02-24 BR BRPI0407832-2A patent/BRPI0407832A/pt not_active IP Right Cessation
- 2004-02-24 AT AT04713984T patent/ATE345800T1/de active
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