TW202212357A - α—突觸核蛋白基原纖維結合抗體 - Google Patents
α—突觸核蛋白基原纖維結合抗體 Download PDFInfo
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Abstract
本揭示內容部分地基於選擇性靶向人類α-突觸核蛋白聚集物,諸如寡聚物/基原纖維之抗體的發現,諸如BAN0805。與小鼠單株抗體mAb47相比,BAN0805與非所需之單體α-突觸核蛋白標靶結合的趨勢較低。
Description
本申請案主張於2020年6月26日申請之美國臨時申請案第63/044881號及2020年8月27日申請之美國臨時申請案第63/071150號之權益,其中之各者以全文引用之方式併入本文中。
標題為Sequence_Listing_AVR-71925_ST25.txt之序列表以全文引用之方式併入本文,其包含SEQ ID NO: 1至SEQ ID NO: 20,其包括本文揭示之核酸及胺基酸序列。序列表已以ASCII文本格式經由EFS以電子方式提交。序列表首次創建於2021年6月17日,且大小為18,417位元組。
國際專利申請案第WO2011/104696 A1(其以引用之方式併入本文中)揭示鼠類單株IgG抗體mAb47,其結合α-突觸核蛋白之基原纖維形式。仍需要與適用於人類之α-突觸核蛋白之基原纖維形式選擇性結合的抗體。
本揭示內容係關於對人類α-突觸核蛋白基原纖維具有高親和力且對α-突觸核蛋白單體具有低親和力之抗體。在一些實施例中,本文所描述之抗體選擇性靶向人類α-突觸核蛋白聚集物,諸如寡聚物/基原纖維,亦即,與單體相比,具有與α-突觸核蛋白基原纖維之更強的結合。在一些實施例中,在比較α-突觸核蛋白基原纖維與單體結合比率時,本文所描述之抗體具有比mAb47更好的選擇性。在一些實施例中,本文所描述之抗體為抗α-突觸核蛋白抗體。
在一個態樣中,本揭示內容係關於BAN0805,一種包含重鏈及輕鏈之單株抗體,該重鏈包含SEQ ID NO: 3中所闡述之胺基酸序列且該輕鏈包含SEQ ID NO: 4中所闡述之胺基酸序列,該單株抗體選擇性靶向人類α-突觸核蛋白聚集物,諸如寡聚體/基原纖維,且具有對人類α-突觸核蛋白基原纖維之高親和力及對α-突觸核蛋白單體之低親和力。有趣地,在比較α-突觸核蛋白基原纖維與單體結合比率時,BAN0805亦展現出比mAb47更低之α-突觸核蛋白單體結合,從而BAN0805具有比mAb47更好的選擇性。另外,BAN0805未偵測到與β-突觸核蛋白單體或γ-突觸核蛋白單體或Aβ-基原纖維之結合。
本揭示內容進一步涉及用於改善治療具有α-突觸核蛋白病變之神經退化性病症的抗體,該病症包括但不限於帕金森氏症(Parkinson's disease,PD)。
本揭示內容係關於對人類α-突觸核蛋白基原纖維具有高親和力且對α-突觸核蛋白單體具有低親和力之抗體。
如本文所揭示,本揭示內容係關於以下實施例。
實施例1.一種抗體,其包含有包含SEQ ID NO: 1之胺基酸序列之重鏈及包含SEQ ID NO: 2之胺基酸序列之輕鏈。
實施例2.如實施例1之抗體,其中該抗體為IgG同型。
實施例3.如實施例1之抗體,其中該抗體為IgG4同型。
實施例4.如實施例1至3中任一項之抗體,其中該抗體與基原纖維形式之α-突觸核蛋白之結合的K
D值,比與單體形式之α-突觸核蛋白之結合的K
D值小至少110,000倍。
實施例5.如實施例1至3中任一項之抗體,其中該抗體具有與至多18pM的基原纖維形式之α-突觸核蛋白結合的K
D值以及與具有至少2200nM的單體形式的α-突觸核蛋白結合的K
D值。
實施例6.如實施例4或5中任一項之抗體,其中該抗體之用於結合α-突觸核蛋白之基原纖維形式的K
D值及該抗體之用於結合α-突觸核蛋白之單體形式的K
D值係藉由SPR量測。
實施例7.一種抗體,其包含有包含SEQ ID NO: 3之胺基酸序列之重鏈及包含SEQ ID NO: 4之胺基酸序列之輕鏈。
實施例8.如實施例7之抗體,其中該抗體包含兩條重鏈及兩條輕鏈。
實施例9.一種核酸,其編碼包含選自由SEQ ID NO: 1至4組成之群組之胺基酸序列的多肽。
實施例10.如實施例9之核酸,其包含選自由SEQ ID NO: 11至14及17至20組成之群組之序列。
實施例11.一或多種核酸,其編碼如實施例1至8中任一項之抗體。
實施例12.如實施例11之一或多種核酸,其中
(a) 該一或多種核酸包含SEQ ID NO: 11及12之序列,
(b) 該一或多種核酸包含SEQ ID NO: 13及14之序列,
(c) 該一或多種核酸包含SEQ ID NO: 17及18之序列,或
(d) 該一或多種核酸包含SEQ ID NO: 19及20之序列。
實施例13.一或多種載體,其包含如實施例9、10、11或12中任一項之一或多種核酸。
實施例14.一種宿主細胞,其包含如實施例9至12中任一項之一或多種核酸。
實施例15.一種宿主細胞,其包含如實施例13之一或多種載體。
實施例16.一種宿主細胞,其表現如實施例1至8中任一項之抗體。
實施例17.一種組合物,其包含至少一種如實施例1至8中任一項之抗體及醫藥學上可接受之載劑。
在一個態樣中,本揭示內容係關於一種抗體,該抗體對人類α-突觸核蛋白基原纖維具有高親和力且對α-突觸核蛋白單體具有低親和力,且包含有包含SEQ ID NO: 1之胺基酸序列的重鏈及包含SEQ ID NO: 2之胺基酸序列的輕鏈。
在一個實施例中,本文所提供之抗體包含有包含SEQ ID NO: 1之胺基酸序列的重鏈及包含SEQ ID NO: 2之胺基酸序列的輕鏈。
在一個實施例中,本文所提供之抗體包含有包含SEQ ID NO: 3之胺基酸序列的重鏈及包含SEQ ID NO: 4之胺基酸序列的輕鏈。在一些實施例中,本文所提供之抗體包含兩條重鏈及兩條輕鏈。
在一個實施例中,本揭示內容所描述之抗體為IgG同型,特別為人類IgG同型。在另一個實施例中,抗體為IgG4同型。
在本揭示內容中,對人類α-突觸核蛋白基原纖維之高親和力係指對人類α-突觸核蛋白基原纖維之解離常數K
D小於10
-7M。因此,在一個實施例中,本揭示內容所描述之抗體具有對人類α-突觸核蛋白基原纖維小於10
-8M、10
-9M、10
-10M、10
-11M或10
-12M之K
D。在具體實施例中,抗體包含有包含SEQ ID NO: 1中所闡述之胺基酸序列的重鏈及包含SEQ ID NO: 2中所闡述之胺基酸序列的輕鏈,且對人類α-突觸核蛋白基原纖維之K
D為11.2 pM至25.8 pM。
在另一實施例中,抗體包含有包含SEQ ID NO: 1之胺基酸序列的重鏈及包含SEQ ID NO: 2之胺基酸序列的輕鏈,且對人類α-突觸核蛋白單體具有低親和力。例如,本揭示內容中描述的抗體用於結合α-突觸核蛋白之單體形式的K
D為至少1500 nM、至少1600 nM、至少1700 nM、至少1800 nM、至少1900 nM、至少2000 nM、至少2100 nM、至少2200 nM、至少2300 nM、至少2400 nM、至少2500 nM、至少2600 nM、至少2700 nM、至少2800 nM、至少2900 nM或至少3000 nM。在具體實施例中,抗體包含有包含SEQ ID NO: 1中所闡述之胺基酸序列的重鏈及包含SEQ ID NO: 2中所闡述之胺基酸序列的輕鏈,且對人類α-突觸核蛋白單體之K
D為1650 nM 至 2730 nM。
在一個實施例中,抗體包含有包含SEQ ID NO: 1之胺基酸序列的重鏈及包含SEQ ID NO: 2之胺基酸序列的輕鏈,且與單體α-突觸核蛋白相比,對人類α-突觸核蛋白基原纖維之選擇性大於80,000倍、大於90,000倍、大於100,000倍、大於110,000倍或大於120,000倍。在具體實施例中,抗體包含有包含SEQ ID NO: 1之胺基酸序列的重鏈及包含SEQ ID NO: 2之胺基酸序列的輕鏈,且人類α-突觸核蛋白基原纖維相較於單體α-突觸核蛋白具有64,000倍至244,000倍的選擇性。
在一個實施例中,此等結合親和力係使用抑制ELISA進行量測,例如,如實施例3中所描述。在另一實施例中,此等結合親和力係藉由表面電漿子共振(SPR)進行量測,例如,如實施例3中所描述。
在另一態樣中,本文提供一種核酸,其編碼至少一種包含選自由SEQ ID NO: 1-4組成之群組之胺基酸序列的多肽。該核酸可為DNA或RNA。核酸可包含選自由SEQ ID NO: 11-14及17-20組成之群組的序列。
在另一態樣中,本文提供一或多種編碼本發明抗體之核酸。在一個實施例中,一或多種核酸包含SEQ ID NO: 11及12之序列。在另一實施例中,一或多種核酸包含SEQ ID NO: 13及14之序列。在一個實施例中,一或多種核酸包含SEQ ID NO: 17及18之序列。在一個實施例中,一或多種核酸包含SEQ ID NO: 19及20之序列。
在另一態樣中,本文提供包含核酸之載體,該核酸編碼至少一種包含選自由SEQ ID NO: 1-4組成之群組之胺基酸序列的多肽。此類載體包括但不限於選殖載體或表現載體。在一個態樣中,提供一或多種編碼本發明抗體之載體。在一個實施例中,一或多種載體包含SEQ ID No: 11及12之序列。在另一實施例中,一或多種載體包含SEQ ID No: 13及14之序列。在一個實施例中,一或多種載體包含SEQ ID No: 17及18之序列。在一個實施例中,一或多個載體包含SEQ ID No: 19及20之序列。
在另一態樣中,本文提供包含核酸之宿主細胞,該核酸編碼至少一種包含選自由SEQ ID NO: 1-4組成之群組之胺基酸序列的多肽。在一個實施例中,宿主細胞包含編碼本發明抗體之一或多種核酸。本文所描述之宿主細胞可為哺乳動物細胞,諸如B細胞、融合瘤或CHO細胞。在一個實施例中,本文所描述之宿主細胞為人類細胞。
在另一態樣中,本文提供包含本發明抗體及醫藥學上可接受之賦形劑之組合物。
實例 實例 1- 產生抗體候選物
mAb47之初始變異體係藉由將mAb47 CDR直接移植到人類構架序列上,且在不同位置對小鼠殘基進行回復突變而產生的。初始變異體均未顯示對α-突觸核蛋白之所需結合特性。因此,構建且分析新模型以發現產生新變異體之更多可能的突變。
在改進mAb47的第二次嘗試中,檢查來自所測定CDR的與標靶及殘基在4Å處下相互作用的不大可能殘基。產生具有SEQ ID NO: 3中所闡述之重鏈序列及SEQ ID NO: 4中所闡述之輕鏈序列的抗體變異體且將其命名為BAN0805。發現回復突變V71K及R94K雖然同時存在於BAN0805中,但對此等抗體之結合力至關重要,因為其在其他變異體中之移除已導致結合損失。
由於BAN0805比可比變異體少一個回復突變,且顯示出對基原纖維之結合及選擇性超過單體物種,因此選擇BAN0805作為主要候選物。
實例 2- 抗體候選物之表徵
為了確定熱穩定性,將抗體置於較高溫度下10分鐘,冷卻至4℃且在各候選物之EC
80濃度(通常為5 ng/mL-50 ng/mL)下用於ELISA分析。BAN0805為穩定的,在高達75℃時仍保持其與α-突觸核蛋白之結合能力,隨後則開始下降,而嵌合小鼠抗體c47或cmAb47(結合人類IgG4及mAb47可變區的嵌合體)之結合在5℃左右較早急劇下降。
為測定抗體之解鏈溫度,在熱位移測定中針對BAN0805測試cmAb47。解鏈溫度資料指示BAN0805之Tm經計算為65℃-65.4℃,低於70℃下之嵌合體。
此外,將1 mg/mL之純化樣品以0.4 mL/min注入至HPLC系統中的尺寸排阻管柱中,且藉由多角度光散射進行分析以測定絕對莫耳質量且檢查聚集。資料表明BAN0805不存在聚集問題。BAN0805為單分散的(Mw/Mn<1.05)。質量回收率為100%(計算質量相對於注入質量),其指示蛋白質回收率良好。
使用大量純化人類多株IgG之交叉相互作用層析法為一種用於監測非特異性蛋白質-蛋白質相互作用之技術,且可用於區分可溶性及不溶性抗體。升高之保留指數(k')指示自相互作用傾向及低溶解性。BAN0805顯示出0.025之保留指數,其低於cmAb47的0.035,指示非特異性相互作用之傾向較低且溶解性良好。
對於冷凍/解凍應力分析,將1 mg/mL之純化候選抗體樣品在-80℃下經歷15分鐘之10個循環,隨後在室溫下解凍15分鐘。對於熱誘導之應力分析,將1 mg/mL之純化候選抗體樣品暴露於a)4℃、b)25℃、c)37℃及d)50℃之溫度下兩週。隨後藉由SEC-MALS分析樣品以檢查聚集。資料表明,凍融循環及熱應力不會導致BAN0805中之聚集。參見圖1。
按照IMGT CDR定義DomainGapAlign工具分析BAN0805且將其與最接近生殖系(HK之IGVH4-59*03/IGHJ3*01及KA之IGVK2-28*01/IGKJ2*02)進行比較。對於輕鏈而言,與人類生殖系之總體一致性為86.5%,高於對於此分析而言認為其人類化之85%截斷值。對於重鏈,在移植CDR且引入兩個小鼠回復突變之後,與人類生殖系之一致性百分比僅下降至81%以下。此可能為由於IMGT CDR2比此處使用的Kabat定義短得多,其導致構架3開始時插入較高數目之小鼠殘基。
實例 3-BAN0805 與人類α
- 突觸核蛋白基原纖維之選擇性結合
BAN0805對人類α-突觸核蛋白基原纖維之結合選擇性藉由抑制ELISA及表面電漿子共振(SPR)來量測。
對於mAb47及BAN0805,α-突觸核蛋白基原纖維之IC
50值極其相似,分別為2.7 nM及2.2 nM,其顯示在人類化後與基原纖維之結合特徵沒有改變。相比之下,與α-突觸核蛋白單體之結合確實發生變化,導致BAN0805與α-突觸核蛋白單體之結合強度降低。此產生與mAb47(340倍)相比,對於BAN0805的α-突觸核蛋白基原纖維相較於單體具有良好的選擇性(910倍)。參見
圖 2 。
然而,由於檢測限制,不可能進一步降低抗體濃度以使得有可能檢測甚至更低之IC
50值且因此接近「真正」IC
50值。因此,現有之IC
50值為根據已用於所有mAb47及BAN0805批次之抑制ELISA的當前程序所獲得,且認為基原纖維之IC
50值可能被過高估計(亦即結合強度可能被低估)。使用描述於下文中之SPR獲得更精確之結合且因此獲得選擇性。
mAb47及BAN0805之結合選擇性藉由使用Biacore 8K儀器(GE Healthcare)之SPR確定。歸因於由標靶抗原之複雜性以及抗體之明顯親合力依賴性引起之可行性問題,使用不同分析設置分別評估α-突觸核蛋白基原纖維及單體結合。為了量測與單體的結合,芯片分別塗佈有針對mAb47及BAN0805之抗小鼠或抗人類抗體。接著在表面上捕捉0.25 μg/ml-1.5 μg/ml mAb47或BAN0805,隨後進行5倍稀釋之單循環動力學注入α-突觸核蛋白單體。為了量測與基原纖維(PF)之結合,用0.5 μg/ml PF塗佈芯片,且使用單循環動力學注入2倍稀釋的mAb47或BAN0805。mAb47及BAN0805之代表性感測器圖譜顯示於
圖 3中。
mAb47及BAN0805之α-突觸核蛋白基原纖維的K
D值相似,顯示mAb47之修飾不影響與α-突觸核蛋白基原纖維之較強結合(
表 1),證實了抑制ELISA的結果。然而,K
D值在pM範圍內,證實了抑制ELISA之上述侷限性。重要地,藉由SPR證實,與mAb47相比,BAN0805對α-突觸核蛋白單體之親和力降低。由使用SPR量測之K
D值可知,BAN0805與mAb47針對PF相較於單體分別具有110,000倍及18,000倍的選擇性。針對mAb47及BAN0805之對α-突觸核蛋白單體及基原纖維的平均K
D值顯示於
表 1中。
表 1.藉由Biacore SPR,針對mAb47及BAN0805用於與α-突觸核蛋白基原纖維(PF)及單體(M)之結合的K
D值。
資料呈現為平均值±標準偏差(n=實驗數目)
K
D:解離常數
抗體 | α- 突觸核蛋白 PF K D ( pM ) | α- 突觸核蛋白單體 K D ( nM ) | 選擇性 PF 與單體 α- 突觸核蛋白(倍數) |
BAN0805 | 18.5±7.3(n=27) | 2190±540(n=59) | 110000 |
mAb47 | 16.8±8.0(n=18) | 307±35(n=23) | 18000 |
使用直接ELISA(其中密集塗佈模擬所塗佈蛋白質之聚集形式)以及抑制ELISA測試同源蛋白質(諸如β-突觸核蛋白單體或γ-突觸核蛋白)與其他易於聚集的蛋白質(如Aβ)之交叉反應性。此處,藉由抑制ELISA並列分析mAb47及BAN0805之交叉反應性。用作為抗原之β-突觸核蛋白單體、γ-突觸核蛋白單體及Aβ-基原纖維進行抑制ELISA。結果指示BAN0805與β-突觸核蛋白單體或γ-突觸核蛋白單體或Aβ-基原纖維無可偵測之結合。在抑制ELISA中針對β-突觸核蛋白單體或γ-突觸核蛋白之代表性BAN0805交叉反應性測試顯示於
圖 4中。資料呈現於表2中。
表 2.mAb47及BAN0805對β-突觸核蛋白單體、γ-突觸核蛋白單體及β-基原纖維之交叉反應性。
n.b.=無結合
抗體 | β- 突觸核蛋白單體( >14 µM ) | γ- 突觸核蛋白單體( >14 µM ) | Aβ- 原纖維 ( >5 µM ) |
BAN0805 | n.b. | n.b. | n.b. |
mAb47 | n.b. | n.b. | n.b. |
抑制ELISA及表面電漿子共振(SPR)Biacore資料之結果均顯示,與mAb47相比,BAN0805對α-突觸核蛋白單體之親和力降低,表明與mAb47相比,BAN0805具有更好之選擇性。此外,在BAN0805之測試濃度(高達µM範圍)下,未觀察到與β-突觸核蛋白單體或γ-突觸核蛋白單體或Aβ-基原纖維的結合。
因此,本揭示內容係關於一種抗體,其對α-突觸核蛋白基原纖維具有高親和力且對α-突觸核蛋白單體具有低親和力,且與鼠類mAb47相比具有以下特徵:
(1)與單體相比,BAN0805與α-突觸核蛋白基原纖維之結合更強;
(2)抑制ELISA及SPR Biacore資料顯示,與BAN0805相比,mAb47之α-突觸核蛋白單體結合較強,從而當比較α-突觸核蛋白基原纖維與單體結合比率時,BAN0805具有比mAb47更好的選擇性(即,與mAb47相比,BAN0805與非所需之單體α-突觸核蛋白靶標結合的趨勢較低);及
(3)在BAN0805之測試濃度(高達µM範圍)下,未觀察到與β-突觸核蛋白單體及γ-突觸核蛋白單體或Aβ-基原纖維的結合。
實例 4- 產生 BAN0805
為產生BAN0805,合成編碼BAN0805 VH(SEQ ID NO: 13)及VL(SEQ ID NO: 14)(包括信號肽)之最佳化DNA序列且分別選殖至GS載體pXC-IgG4Pro(deltaK)及pXC-κ(Lonza)中。接著使用所得HC及LC SGV產生含有HC及LC基因兩者之雙基因載體(DGV)。編碼BAN0805重鏈(HC)及輕鏈(LC)之最佳化DNA序列分別闡述於SEQ ID NO: 11及12中。編碼BAN0805重鏈可變區(VH)及輕鏈可變區(VL)之最佳化DNA序列分別闡述於SEQ ID NO: 13及14中。SEQ ID NO: 11-14全部包括編碼信號肽之核苷酸序列(參見表3B)。對應於BAN0805 HC、LC、VH及VL(不包括信號肽)之胺基酸序列的核苷酸序列分別闡述於SEQ ID NO: 17、18、19及20中。BAN0805之CDR序列列於表3A中。根據Chothia命名法之重鏈CDR(VH-CDR)1-3之胺基酸序列分別闡述於SEQ ID NO: 5、6及7中。根據Kabat命名法之重鏈CDR(VH-CDR)1-3之胺基酸序列分別闡述於SEQ ID NO: 15、16及7中。根據Chothia及Kabat命名法之重鏈CDR(VH-CDR-3)之胺基酸序列相同且闡述於SEQ ID NO: 7中。根據Chothia及Kabat命名法之輕鏈CDR(VL-CDR)1-3之胺基酸序列相同且分別闡述於SEQ ID NO: 8、9及10中。
所得DGV稱為pBAN0805/DGV,接著暫時轉染至CHOK1SV GS-KO細胞,且在引起組裝抗體分泌之條件下進行培養。接著藉由蛋白A親和力層析法純化所分泌之抗體。
表 3. 序列表 A. BAN0805 VH : QVQLQESGPGLVKPSETLSLTCTVS
GFSLT
SYGVH WIRQPPGKGLEWIG
VIWRGGSTDYSAAFMS
RLTISKDTSKNQVSLKLSSVTAADTAVYYCAK
LLRSVGGFAD WGQGTMVTVSS (SEQ ID NO: 1)
VL : DIVMTQSPLSLPVTPGEPASISC
RSSQTIVHNNGNTYLE WYLQKPGQSPQLLIY
KVSNRFS GVPDRFSGSGSGTDFTLKISRVEAEDVGVYYC
FQGSHVPFT FGQGTKLEIK (SEQ ID NO: 2)
重鏈QVQLQESGPGLVKPSETLSLTCTVS
GFSLTSYGVH WIRQPPGKGLEWIG
VIWRGGSTDYSAAFMS
RLTISKDTSKNQVSLKLSSVTAADTAVYYCAK
LLRSVGGFAD WGQGTMVTVSSASTKGPSVFPLAPCSRSTSESTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTKTYTCNVDHKPSNTKVDKRVESKYGPPCPPCPAPEFLGGPSVFLFPPKPKDTLMISRTPEVTCVVVDVSQEDPEVQFNWYVDGVEVHNAKTKPREEQFNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKGLPSSIEKTISKAKGQPREPQVYTLPPSQEEMTKNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSRLTVDKSRWQEGNVFSCSVMHEALHNHYTQKSLSLSLG (SEQ ID NO: 3)
輕鏈DIVMTQSPLSLPVTPGEPASISC
RSSQTIVHNNGNTYLE WYLQKPGQSPQLLIY
KVSNRFS GVPDRFSGSGSGTDFTLKISRVEAEDVGVYYC
FQGSHVPFT FGQGTKLEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC (SEQ ID NO: 4)
CDR VH-CDR-1 (Chothia): GFSLTSYGVH (SEQ ID NO: 5)
VH-CDR-1 (Kabat): SYGVH (SEQ ID NO: 15)
VH-CDR-2 (Chothia): VIWRGGSTDYSAAF (SEQ ID NO: 6)
VH-CDR-2 (Kabat): VIWRGGSTDYSAAFMS (SEQ ID NO: 16)
VH-CDR-3 (Kabat/Chothia): LLRSVGGFAD (SEQ ID NO: 7)
VL-CDR-1 (Kabat/Chothia): RSSQTIVHNNGNTYLE (SEQ ID NO: 8)
VL-CDR-2 (Kabat/Chothia): KVSNRFS (SEQ ID NO: 9)
VL-CDR-3 (Kabat/Chothia): FQGSHVPFT (SEQ ID NO: 10)
表3A根據Chothia命名法將帶下劃線之序列列舉為CDR序列且根據Kabat命名法將粗體序列列舉為CDR序列。CDR1、CDR2及CDR3以自左(N端)至右(C端)之外觀的標準順序顯示。
B. 編碼 BAN0805 重鏈及輕鏈之核苷酸序列 具有信號序列(SEQ ID NO: 11)
之 BAN0805 HC 基因 ATG GAATGGTCCTGGGTGTTCCTGTTCTTCCTGTCCGTGACCACCGGCGTGCACTCTCAGGTTCAGCTGCAAGAGTCTGGCCCTGGCCTGGTCAAGCCTTCCGAAACACTGTCTCTGACCTGCACCGTGTCCGGCTTCTCCCTGACATCTTATGGGGTGCACTGGATCAGACAGCCTCCAGGCAAAGGCCTGGAATGGATCGGAGTGATTTGGAGAGGCGGCTCCACCGATTACTCCGCCGCCTTCATGTCCCGGCTGACCATCTCTAAGGACACCTCCAAGAACCAGGTGTCCCTGAAGCTGTCCTCTGTGACCGCTGCTGATACCGCCGTGTACTACTGTGCCAAGCTGCTGAGATCTGTCGGCGGCTTTGCTGATTGGGGCCAGGGCACAATGGTCACCGTGTCTAGCGCTTCTACAAAGGGCCCAAGCGTGTTCCCCCTGGCCCCCTGCTCCAGAAGCACCAGCGAGAGCACAGCCGCCCTGGGCTGCCTGGTGAAGGACTACTTCCCCGAGCCCGTGACCGTGTCCTGGAACAGCGGAGCCCTGACCAGCGGCGTGCACACCTTCCCCGCCGTGCTGCAGAGCAGCGGCCTGTACAGCCTGAGCAGCGTGGTGACCGTGCCCAGCAGCAGCCTGGGCACCAAGACCTACACCTGTAACGTGGACCACAAGCCCAGCAACACCAAGGTGGACAAGAGGGTGGAGAGCAAGTACGGCCCACCCTGCCCCCCCTGCCCAGCCCCCGAGTTCCTGGGCGGACCCAGCGTGTTCCTGTTCCCCCCCAAGCCCAAGGACACCCTGATGATCAGCAGAACCCCCGAGGTGACCTGTGTGGTGGTGGACGTGTCCCAGGAGGACCCCGAGGTCCAGTTCAACTGGTACGTGGACGGCGTGGAGGTGCACAACGCCAAGACCAAGCCCAGAGAGGAGCAGTTTAACAGCACCTACCGGGTGGTGTCCGTGCTGACCGTGCTGCACCAGGACTGGCTGAACGGCAAAGAGTACAAGTGTAAGGTCTCCAACAAGGGCCTGCCAAGCAGCATCGAAAAGACCATCAGCAAGGCCAAGGGCCAGCCTAGAGAGCCCCAGGTCTACACCCTGCCACCCAGCCAAGAGGAGATGACCAAGAACCAGGTGTCCCTGACCTGTCTGGTGAAGGGCTTCTACCCAAGCGACATCGCCGTGGAGTGGGAGAGCAACGGCCAGCCCGAGAACAACTACAAGACCACCCCCCCAGTGCTGGACAGCGACGGCAGCTTCTTCCTGTACAGCAGGCTGACCGTGGACAAGTCCAGATGGCAGGAGGGCAACGTCTTTAGCTGCTCCGTGATGCACGAGGCCCTGCACAACCACTACACCCAGAAGAGCCTGAGCCTGTCCCTGGGC
TGATGA 具有信號序列(SEQ ID NO: 12)
之 BAN0805 LC 基因 ATG TCTGTGCCTACACAGGTTCTGGGACTGCTGCTGCTGTGGCTGACCGACGCCAGATGCGACATCGTGATGACCCAGTCTCCACTGAGCCTGCCTGTGACACCTGGCGAGCCTGCTTCCATCTCCTGCAGATCCTCTCAGACCATCGTGCACAACAACGGCAACACCTACCTGGAATGGTATCTGCAGAAGCCCGGCCAGTCTCCTCAGCTGCTGATCTACAAGGTGTCCAACCGGTTCTCTGGCGTGCCCGACAGATTTTCCGGCTCTGGCTCTGGCACCGACTTCACCCTGAAGATCTCCAGAGTGGAAGCCGAGGACGTGGGCGTGTACTACTGCTTCCAAGGCTCTCACGTGCCCTTCACCTTTGGCCAGGGCACCAAGCTGGAAATCAAGCGTACGGTGGCCGCTCCCAGCGTGTTCATCTTCCCCCCAAGCGACGAGCAGCTGAAGAGCGGCACCGCCAGCGTGGTGTGTCTGCTGAACAACTTCTACCCCAGGGAGGCCAAGGTGCAGTGGAAGGTGGACAACGCCCTGCAGAGCGGCAACAGCCAGGAGAGCGTCACCGAGCAGGACAGCAAGGACTCCACCTACAGCCTGAGCAGCACCCTGACCCTGAGCAAGGCCGACTACGAGAAGCACAAGGTGTACGCCTGTGAGGTGACCCACCAGGGCCTGTCCAGCCCCGTGACCAAGAGCTTCAACAGGGGCGAGTGC
TGATGA 具有信號序列(SEQ ID NO: 13)
之 BAN0805 VH 基因 ATG GAATGGTCCTGGGTGTTCCTGTTCTTCCTGTCCGTGACCACCGGCGTGCACTCTCAGGTTCAGCTGCAAGAGTCTGGCCCTGGCCTGGTCAAGCCTTCCGAAACACTGTCTCTGACCTGCACCGTGTCCGGCTTCTCCCTGACATCTTATGGGGTGCACTGGATCAGACAGCCTCCAGGCAAAGGCCTGGAATGGATCGGAGTGATTTGGAGAGGCGGCTCCACCGATTACTCCGCCGCCTTCATGTCCCGGCTGACCATCTCTAAGGACACCTCCAAGAACCAGGTGTCCCTGAAGCTGTCCTCTGTGACCGCTGCTGATACCGCCGTGTACTACTGTGCCAAGCTGCTGAGATCTGTCGGCGGCTTTGCTGATTGGGGCCAGGGCACAATGGTCACCGTGTCTAGCGC
具有信號序列(SEQ ID NO: 14)
之 BAN0805 VL 基因 ATG TCTGTGCCTACACAGGTTCTGGGACTGCTGCTGCTGTGGCTGACCGACGCCAGATGCGACATCGTGATGACCCAGTCTCCACTGAGCCTGCCTGTGACACCTGGCGAGCCTGCTTCCATCTCCTGCAGATCCTCTCAGACCATCGTGCACAACAACGGCAACACCTACCTGGAATGGTATCTGCAGAAGCCCGGCCAGTCTCCTCAGCTGCTGATCTACAAGGTGTCCAACCGGTTCTCTGGCGTGCCCGACAGATTTTCCGGCTCTGGCTCTGGCACCGACTTCACCCTGAAGATCTCCAGAGTGGAAGCCGAGGACGTGGGCGTGTACTACTGCTTCCAAGGCTCTCACGTGCCCTTCACCTTTGGCCAGGGCACCAAGCTGGAAATCAAG
BAN0805 HC 基因(SEQ ID NO: 17)
CAGGTTCAGCTGCAAGAGTCTGGCCCTGGCCTGGTCAAGCCTTCCGAAACACTGTCTCTGACCTGCACCGTGTCCGGCTTCTCCCTGACATCTTATGGGGTGCACTGGATCAGACAGCCTCCAGGCAAAGGCCTGGAATGGATCGGAGTGATTTGGAGAGGCGGCTCCACCGATTACTCCGCCGCCTTCATGTCCCGGCTGACCATCTCTAAGGACACCTCCAAGAACCAGGTGTCCCTGAAGCTGTCCTCTGTGACCGCTGCTGATACCGCCGTGTACTACTGTGCCAAGCTGCTGAGATCTGTCGGCGGCTTTGCTGATTGGGGCCAGGGCACAATGGTCACCGTGTCTAGCGCTTCTACAAAGGGCCCAAGCGTGTTCCCCCTGGCCCCCTGCTCCAGAAGCACCAGCGAGAGCACAGCCGCCCTGGGCTGCCTGGTGAAGGACTACTTCCCCGAGCCCGTGACCGTGTCCTGGAACAGCGGAGCCCTGACCAGCGGCGTGCACACCTTCCCCGCCGTGCTGCAGAGCAGCGGCCTGTACAGCCTGAGCAGCGTGGTGACCGTGCCCAGCAGCAGCCTGGGCACCAAGACCTACACCTGTAACGTGGACCACAAGCCCAGCAACACCAAGGTGGACAAGAGGGTGGAGAGCAAGTACGGCCCACCCTGCCCCCCCTGCCCAGCCCCCGAGTTCCTGGGCGGACCCAGCGTGTTCCTGTTCCCCCCCAAGCCCAAGGACACCCTGATGATCAGCAGAACCCCCGAGGTGACCTGTGTGGTGGTGGACGTGTCCCAGGAGGACCCCGAGGTCCAGTTCAACTGGTACGTGGACGGCGTGGAGGTGCACAACGCCAAGACCAAGCCCAGAGAGGAGCAGTTTAACAGCACCTACCGGGTGGTGTCCGTGCTGACCGTGCTGCACCAGGACTGGCTGAACGGCAAAGAGTACAAGTGTAAGGTCTCCAACAAGGGCCTGCCAAGCAGCATCGAAAAGACCATCAGCAAGGCCAAGGGCCAGCCTAGAGAGCCCCAGGTCTACACCCTGCCACCCAGCCAAGAGGAGATGACCAAGAACCAGGTGTCCCTGACCTGTCTGGTGAAGGGCTTCTACCCAAGCGACATCGCCGTGGAGTGGGAGAGCAACGGCCAGCCCGAGAACAACTACAAGACCACCCCCCCAGTGCTGGACAGCGACGGCAGCTTCTTCCTGTACAGCAGGCTGACCGTGGACAAGTCCAGATGGCAGGAGGGCAACGTCTTTAGCTGCTCCGTGATGCACGAGGCCCTGCACAACCACTACACCCAGAAGAGCCTGAGCCTGTCCCTGGGC
TGA BAN0805 LC 基因(SEQ ID NO: 18)
GACATCGTGATGACCCAGTCTCCACTGAGCCTGCCTGTGACACCTGGCGAGCCTGCTTCCATCTCCTGCAGATCCTCTCAGACCATCGTGCACAACAACGGCAACACCTACCTGGAATGGTATCTGCAGAAGCCCGGCCAGTCTCCTCAGCTGCTGATCTACAAGGTGTCCAACCGGTTCTCTGGCGTGCCCGACAGATTTTCCGGCTCTGGCTCTGGCACCGACTTCACCCTGAAGATCTCCAGAGTGGAAGCCGAGGACGTGGGCGTGTACTACTGCTTCCAAGGCTCTCACGTGCCCTTCACCTTTGGCCAGGGCACCAAGCTGGAAATCAAGCGTACGGTGGCCGCTCCCAGCGTGTTCATCTTCCCCCCAAGCGACGAGCAGCTGAAGAGCGGCACCGCCAGCGTGGTGTGTCTGCTGAACAACTTCTACCCCAGGGAGGCCAAGGTGCAGTGGAAGGTGGACAACGCCCTGCAGAGCGGCAACAGCCAGGAGAGCGTCACCGAGCAGGACAGCAAGGACTCCACCTACAGCCTGAGCAGCACCCTGACCCTGAGCAAGGCCGACTACGAGAAGCACAAGGTGTACGCCTGTGAGGTGACCCACCAGGGCCTGTCCAGCCCCGTGACCAAGAGCTTCAACAGGGGCGAGTGC
TGA BAN0805 VH 基因(SEQ ID NO: 19)
CAGGTTCAGCTGCAAGAGTCTGGCCCTGGCCTGGTCAAGCCTTCCGAAACACTGTCTCTGACCTGCACCGTGTCCGGCTTCTCCCTGACATCTTATGGGGTGCACTGGATCAGACAGCCTCCAGGCAAAGGCCTGGAATGGATCGGAGTGATTTGGAGAGGCGGCTCCACCGATTACTCCGCCGCCTTCATGTCCCGGCTGACCATCTCTAAGGACACCTCCAAGAACCAGGTGTCCCTGAAGCTGTCCTCTGTGACCGCTGCTGATACCGCCGTGTACTACTGTGCCAAGCTGCTGAGATCTGTCGGCGGCTTTGCTGATTGGGGCCAGGGCACAATGGTCACCGTGTCTAGCGC
BAN0805 VL 基因(SEQ ID NO: 20)
GACATCGTGATGACCCAGTCTCCACTGAGCCTGCCTGTGACACCTGGCGAGCCTGCTTCCATCTCCTGCAGATCCTCTCAGACCATCGTGCACAACAACGGCAACACCTACCTGGAATGGTATCTGCAGAAGCCCGGCCAGTCTCCTCAGCTGCTGATCTACAAGGTGTCCAACCGGTTCTCTGGCGTGCCCGACAGATTTTCCGGCTCTGGCTCTGGCACCGACTTCACCCTGAAGATCTCCAGAGTGGAAGCCGAGGACGTGGGCGTGTACTACTGCTTCCAAGGCTCTCACGTGCCCTTCACCTTTGGCCAGGGCACCAAGCTGGAAATCAAG
編碼信號肽之序列帶下劃線。起始密碼子為粗體且終止密碼子為斜體。
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圖 1顯示BAN0805之熱應力資料。將1 mg/mL之純化候選抗體樣品暴露於a)4℃、b)25℃、c)37℃及d)50℃之溫度下持續兩週。隨後藉由SEC-MALS分析樣品以檢驗聚集。資料表明由於熱應力,BAN0805不存在聚集問題。
圖 2顯示當BAN0805結合α-突觸核蛋白單體及基原纖維(PF)時,抑制ELISA的IC
50值。與僅具有340倍選擇性之mAb47相比,BAN0805對α-突觸核蛋白之基原纖維形式具有910倍之更好的選擇性(未示出)。基原纖維水準表現為在濃度上等同於單體水準,且未考慮基原纖維之大小。藉由用單體結合之IC
50值除以PF結合之IC
50值來計算倍數選擇性。
圖 3顯示使用Biacore SPR,與mAb47相比BAN0805之結合及選擇性。mAb47及BAN0805之α-突觸核蛋白基原纖維的K
D值相似,顯示mAb47之修飾不影響與α-突觸核蛋白基原纖維之較強結合,證實了抑制ELISA的結果。由使用SPR量測之K
D值可知, BAN0805及mAb47針對PF相較於單體分別具有110,000倍及18,000倍的選擇性。顯示Biacore 8K上mAb47及BAN0805 SPR量測結果之代表性感測器圖譜。
圖 4顯示使用抑制ELISA之BAN0805(此處稱為hu47-IgG4)與α-突觸核蛋白單體、β-突觸核蛋白單體、γ-突觸核蛋白單體及Aβ-基原纖維之交叉反應性。結果顯示與β-突觸核蛋白單體或γ-突觸核蛋白單體或Aβ-基原纖維無可偵測之結合。
<![CDATA[<110> 瑞典商生物極公司(BioArctic AB)]]> <![CDATA[<120> α-突觸核蛋白基原纖維結合抗體]]> <![CDATA[<130> AVR-71925]]> <![CDATA[<150> 63/071,150]]> <![CDATA[<151> 2020-08-27]]> <![CDATA[<150> 63/044,881]]> <![CDATA[<151> 2020-06-26]]> <![CDATA[<160> 20 ]]> <![CDATA[<170> PatentIn version 3.5]]> <![CDATA[<210> 1]]> <![CDATA[<211> 118]]> <![CDATA[<212> PRT]]> <![CDATA[<213> 人工]]> <![CDATA[<220>]]> <![CDATA[<223> BAN0805 VH]]> <![CDATA[<400> 1]]> Gln Val Gln Leu Gln Glu Ser Gly Pro Gly Leu Val Lys Pro Ser Glu 1 5 10 15 Thr Leu Ser Leu Thr Cys Thr Val Ser Gly Phe Ser Leu Thr Ser Tyr 20 25 30 Gly Val His Trp Ile Arg Gln Pro Pro Gly Lys Gly Leu Glu Trp Ile 35 40 45 Gly Val Ile Trp Arg Gly Gly Ser Thr Asp Tyr Ser Ala Ala Phe Met 50 55 60 Ser Arg Leu Thr Ile Ser Lys Asp Thr Ser Lys Asn Gln Val Ser Leu 65 70 75 80 Lys Leu Ser Ser Val Thr Ala Ala Asp Thr Ala Val Tyr Tyr Cys Ala 85 90 95 Lys Leu Leu Arg Ser Val Gly Gly Phe Ala Asp Trp Gly Gln Gly Thr 100 105 110 Met Val Thr Val Ser Ser 115 <![CDATA[<210> 2]]> <![CDATA[<211> 112]]> <![CDATA[<212> PRT]]> <![CDATA[<213> 人工]]> <![CDATA[<220>]]> <![CDATA[<223> BAN0805 VL]]> <![CDATA[<400> 2]]> Asp Ile Val Met Thr Gln Ser Pro Leu Ser Leu Pro Val Thr Pro Gly 1 5 10 15 Glu Pro Ala Ser Ile Ser Cys Arg Ser Ser Gln Thr Ile Val His Asn 20 25 30 Asn Gly Asn Thr Tyr Leu Glu Trp Tyr Leu Gln Lys Pro Gly Gln Ser 35 40 45 Pro Gln Leu Leu Ile Tyr Lys Val Ser Asn Arg Phe Ser Gly Val Pro 50 55 60 Asp Arg Phe Ser Gly Ser Gly Ser Gly Thr Asp Phe Thr Leu Lys Ile 65 70 75 80 Ser Arg Val Glu Ala Glu Asp Val Gly Val Tyr Tyr Cys Phe Gln Gly 85 90 95 Ser His Val Pro Phe Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 100 105 110 <![CDATA[<210> 3]]> <![CDATA[<211> 444]]> <![CDATA[<212> PRT]]> <![CDATA[<213> 人工]]> <![CDATA[<220>]]> <![CDATA[<223> BAN0805重鏈]]> <![CDATA[<400> 3]]> Gln Val Gln Leu Gln Glu Ser Gly Pro Gly Leu Val Lys Pro Ser Glu 1 5 10 15 Thr Leu Ser Leu Thr Cys Thr Val Ser Gly Phe Ser Leu Thr Ser Tyr 20 25 30 Gly Val His Trp Ile Arg Gln Pro Pro Gly Lys Gly Leu Glu Trp Ile 35 40 45 Gly Val Ile Trp Arg Gly Gly Ser Thr Asp Tyr Ser Ala Ala Phe Met 50 55 60 Ser Arg Leu Thr Ile Ser Lys Asp Thr Ser Lys Asn Gln Val Ser Leu 65 70 75 80 Lys Leu Ser Ser Val Thr Ala Ala Asp Thr Ala Val Tyr Tyr Cys Ala 85 90 95 Lys Leu Leu Arg Ser Val Gly Gly Phe Ala Asp Trp Gly Gln Gly Thr 100 105 110 Met Val Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser Val Phe Pro 115 120 125 Leu Ala Pro Cys Ser Arg Ser Thr Ser Glu Ser Thr Ala Ala Leu Gly 130 135 140 Cys Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val Ser Trp Asn 145 150 155 160 Ser Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala Val Leu Gln 165 170 175 Ser Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val Pro Ser Ser 180 185 190 Ser Leu Gly Thr Lys Thr Tyr Thr Cys Asn Val Asp His Lys Pro Ser 195 200 205 Asn Thr Lys Val Asp Lys Arg Val Glu Ser Lys Tyr Gly Pro Pro Cys 210 215 220 Pro Pro Cys Pro Ala Pro Glu Phe Leu Gly Gly Pro Ser Val Phe Leu 225 230 235 240 Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu 245 250 255 Val Thr Cys Val Val Val Asp Val Ser Gln Glu Asp Pro Glu Val Gln 260 265 270 Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn Ala Lys Thr Lys 275 280 285 Pro Arg Glu Glu Gln Phe Asn Ser Thr Tyr Arg Val Val Ser Val Leu 290 295 300 Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys 305 310 315 320 Val Ser Asn Lys Gly Leu Pro Ser Ser Ile Glu Lys Thr Ile Ser Lys 325 330 335 Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Ser 340 345 350 Gln Glu Glu Met Thr Lys Asn Gln Val Ser Leu Thr Cys Leu Val Lys 355 360 365 Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln 370 375 380 Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly 385 390 395 400 Ser Phe Phe Leu Tyr Ser Arg Leu Thr Val Asp Lys Ser Arg Trp Gln 405 410 415 Glu Gly Asn Val Phe Ser Cys Ser Val Met His Glu Ala Leu His Asn 420 425 430 His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Leu Gly 435 440 <![CDATA[<210> 4]]> <![CDATA[<211> 219]]> <![CDATA[<212> PRT]]> <![CDATA[<213> 人工]]> <![CDATA[<220>]]> <![CDATA[<223> BAN0805輕鏈]]> <![CDATA[<400> 4]]> Asp Ile Val Met Thr Gln Ser Pro Leu Ser Leu Pro Val Thr Pro Gly 1 5 10 15 Glu Pro Ala Ser Ile Ser Cys Arg Ser Ser Gln Thr Ile Val His Asn 20 25 30 Asn Gly Asn Thr Tyr Leu Glu Trp Tyr Leu Gln Lys Pro Gly Gln Ser 35 40 45 Pro Gln Leu Leu Ile Tyr Lys Val Ser Asn Arg Phe Ser Gly Val Pro 50 55 60 Asp Arg Phe Ser Gly Ser Gly Ser Gly Thr Asp Phe Thr Leu Lys Ile 65 70 75 80 Ser Arg Val Glu Ala Glu Asp Val Gly Val Tyr Tyr Cys Phe Gln Gly 85 90 95 Ser His Val Pro Phe Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 100 105 110 Arg Thr Val Ala Ala Pro Ser Val Phe Ile Phe Pro Pro Ser Asp Glu 115 120 125 Gln Leu Lys Ser Gly Thr Ala Ser Val Val Cys Leu Leu Asn Asn Phe 130 135 140 Tyr Pro Arg Glu Ala Lys Val Gln Trp Lys Val Asp Asn Ala Leu Gln 145 150 155 160 Ser Gly Asn Ser Gln Glu Ser Val Thr Glu Gln Asp Ser Lys Asp Ser 165 170 175 Thr Tyr Ser Leu Ser Ser Thr Leu Thr Leu Ser Lys Ala Asp Tyr Glu 180 185 190 Lys His Lys Val Tyr Ala Cys Glu Val Thr His Gln Gly Leu Ser Ser 195 200 205 Pro Val Thr Lys Ser Phe Asn Arg Gly Glu Cys 210 215 <![CDATA[<210> 5]]> <![CDATA[<211> 10]]> <![CDATA[<212> PRT]]> <![CDATA[<213> 人工]]> <![CDATA[<220>]]> <![CDATA[<223> BAN0805 VH-CDR-1 (Chothia)]]> <![CDATA[<400> 5]]> Gly Phe Ser Leu Thr Ser Tyr Gly Val His 1 5 10 <![CDATA[<210> 6]]> <![CDATA[<211> 14]]> <![CDATA[<212> PRT]]> <![CDATA[<213> 人工]]> <![CDATA[<220>]]> <![CDATA[<223> BAN0805 VH-CDR-2 (Chothia)]]> <![CDATA[<400> 6]]> Val Ile Trp Arg Gly Gly Ser Thr Asp Tyr Ser Ala Ala Phe 1 5 10 <![CDATA[<210> 7]]> <![CDATA[<211> 10]]> <![CDATA[<212> PRT]]> <![CDATA[<213> 人工]]> <![CDATA[<220>]]> <![CDATA[<223> BAN0805 VH-CDR-3 (Kabat/Chothia)]]> <![CDATA[<400> 7]]> Leu Leu Arg Ser Val Gly Gly Phe Ala Asp 1 5 10 <![CDATA[<210> 8]]> <![CDATA[<211> 16]]> <![CDATA[<212> PRT]]> <![CDATA[<213> 人工]]> <![CDATA[<220>]]> <![CDATA[<223> BAN0805 VL-CDR-1 (Kabat/Chothia)]]> <![CDATA[<400> 8]]> Arg Ser Ser Gln Thr Ile Val His Asn Asn Gly Asn Thr Tyr Leu Glu 1 5 10 15 <![CDATA[<210> 9]]> <![CDATA[<211> 7]]> <![CDATA[<212> PRT]]> <![CDATA[<213> 人工]]> <![CDATA[<220>]]> <![CDATA[<223> BAN0805 VL-CDR-2 (Kabat/Chothia)]]> <![CDATA[<400> 9]]> Lys Val Ser Asn Arg Phe Ser 1 5 <![CDATA[<210> 10]]> <![CDATA[<211> 9]]> <![CDATA[<212> PRT]]> <![CDATA[<213> 人工]]> <![CDATA[<220>]]> <![CDATA[<223> BAN0805 VL-CDR-3 (Kabat/Chothia)]]> <![CDATA[<400> 10]]> Phe Gln Gly Ser His Val Pro Phe Thr 1 5 <![CDATA[<210> 11]]> <![CDATA[<211> 1395]]> <![CDATA[<212> DNA]]> <![CDATA[<213> 人工]]> <![CDATA[<220>]]> <![CDATA[<223> 具有信號序列之BAN0805 HC基因 ]]> <![CDATA[<400> 11]]> atggaatggt cctgggtgtt cctgttcttc ctgtccgtga ccaccggcgt gcactctcag 60 gttcagctgc aagagtctgg ccctggcctg gtcaagcctt ccgaaacact gtctctgacc 120 tgcaccgtgt ccggcttctc cctgacatct tatggggtgc actggatcag acagcctcca 180 ggcaaaggcc tggaatggat cggagtgatt tggagaggcg gctccaccga ttactccgcc 240 gccttcatgt cccggctgac catctctaag gacacctcca agaaccaggt gtccctgaag 300 ctgtcctctg tgaccgctgc tgataccgcc gtgtactact gtgccaagct gctgagatct 360 gtcggcggct ttgctgattg gggccagggc acaatggtca ccgtgtctag cgcttctaca 420 aagggcccaa gcgtgttccc cctggccccc tgctccagaa gcaccagcga gagcacagcc 480 gccctgggct gcctggtgaa ggactacttc cccgagcccg tgaccgtgtc ctggaacagc 540 ggagccctga ccagcggcgt gcacaccttc cccgccgtgc tgcagagcag cggcctgtac 600 agcctgagca gcgtggtgac cgtgcccagc agcagcctgg gcaccaagac ctacacctgt 660 aacgtggacc acaagcccag caacaccaag gtggacaaga gggtggagag caagtacggc 720 ccaccctgcc ccccctgccc agcccccgag ttcctgggcg gacccagcgt gttcctgttc 780 ccccccaagc ccaaggacac cctgatgatc agcagaaccc ccgaggtgac ctgtgtggtg 840 gtggacgtgt cccaggagga ccccgaggtc cagttcaact ggtacgtgga cggcgtggag 900 gtgcacaacg ccaagaccaa gcccagagag gagcagttta acagcaccta ccgggtggtg 960 tccgtgctga ccgtgctgca ccaggactgg ctgaacggca aagagtacaa gtgtaaggtc 1020 tccaacaagg gcctgccaag cagcatcgaa aagaccatca gcaaggccaa gggccagcct 1080 agagagcccc aggtctacac cctgccaccc agccaagagg agatgaccaa gaaccaggtg 1140 tccctgacct gtctggtgaa gggcttctac ccaagcgaca tcgccgtgga gtgggagagc 1200 aacggccagc ccgagaacaa ctacaagacc acccccccag tgctggacag cgacggcagc 1260 ttcttcctgt acagcaggct gaccgtggac aagtccagat ggcaggaggg caacgtcttt 1320 agctgctccg tgatgcacga ggccctgcac aaccactaca cccagaagag cctgagcctg 1380 tccctgggct gatga 1395 <![CDATA[<210> 12]]> <![CDATA[<211> 723]]> <![CDATA[<212> DNA]]> <![CDATA[<213> 人工]]> <![CDATA[<220>]]> <![CDATA[<223> 具有信號序列之BAN0805 LC基因 ]]> <![CDATA[<400> 12]]> atgtctgtgc ctacacaggt tctgggactg ctgctgctgt ggctgaccga cgccagatgc 60 gacatcgtga tgacccagtc tccactgagc ctgcctgtga cacctggcga gcctgcttcc 120 atctcctgca gatcctctca gaccatcgtg cacaacaacg gcaacaccta cctggaatgg 180 tatctgcaga agcccggcca gtctcctcag ctgctgatct acaaggtgtc caaccggttc 240 tctggcgtgc ccgacagatt ttccggctct ggctctggca ccgacttcac cctgaagatc 300 tccagagtgg aagccgagga cgtgggcgtg tactactgct tccaaggctc tcacgtgccc 360 ttcacctttg gccagggcac caagctggaa atcaagcgta cggtggccgc tcccagcgtg 420 ttcatcttcc ccccaagcga cgagcagctg aagagcggca ccgccagcgt ggtgtgtctg 480 ctgaacaact tctaccccag ggaggccaag gtgcagtgga aggtggacaa cgccctgcag 540 agcggcaaca gccaggagag cgtcaccgag caggacagca aggactccac ctacagcctg 600 agcagcaccc tgaccctgag caaggccgac tacgagaagc acaaggtgta cgcctgtgag 660 gtgacccacc agggcctgtc cagccccgtg accaagagct tcaacagggg cgagtgctga 720 tga 723 <![CDATA[<210> 13]]> <![CDATA[<211> 413]]> <![CDATA[<212> DNA]]> <![CDATA[<213> 人工]]> <![CDATA[<220>]]> <![CDATA[<223> 具有信號序列之BAN0805 VH基因]]> <![CDATA[<400> 13]]> atggaatggt cctgggtgtt cctgttcttc ctgtccgtga ccaccggcgt gcactctcag 60 gttcagctgc aagagtctgg ccctggcctg gtcaagcctt ccgaaacact gtctctgacc 120 tgcaccgtgt ccggcttctc cctgacatct tatggggtgc actggatcag acagcctcca 180 ggcaaaggcc tggaatggat cggagtgatt tggagaggcg gctccaccga ttactccgcc 240 gccttcatgt cccggctgac catctctaag gacacctcca agaaccaggt gtccctgaag 300 ctgtcctctg tgaccgctgc tgataccgcc gtgtactact gtgccaagct gctgagatct 360 gtcggcggct ttgctgattg gggccagggc acaatggtca ccgtgtctag cgc 413 <![CDATA[<210> 14]]> <![CDATA[<211> 396]]> <![CDATA[<212> DNA]]> <![CDATA[<213> 人工]]> <![CDATA[<220>]]> <![CDATA[<223> 具有信號序列之BAN0805 VL基因]]> <![CDATA[<400> 14]]> atgtctgtgc ctacacaggt tctgggactg ctgctgctgt ggctgaccga cgccagatgc 60 gacatcgtga tgacccagtc tccactgagc ctgcctgtga cacctggcga gcctgcttcc 120 atctcctgca gatcctctca gaccatcgtg cacaacaacg gcaacaccta cctggaatgg 180 tatctgcaga agcccggcca gtctcctcag ctgctgatct acaaggtgtc caaccggttc 240 tctggcgtgc ccgacagatt ttccggctct ggctctggca ccgacttcac cctgaagatc 300 tccagagtgg aagccgagga cgtgggcgtg tactactgct tccaaggctc tcacgtgccc 360 ttcacctttg gccagggcac caagctggaa atcaag 396 <![CDATA[<210> 15]]> <![CDATA[<211> 5]]> <![CDATA[<212> PRT]]> <![CDATA[<213> 人工]]> <![CDATA[<220>]]> <![CDATA[<223> BAN0805 VH-CDR-1 (Kabat)]]> <![CDATA[<400> 15]]> Ser Tyr Gly Val His 1 5 <![CDATA[<210> 16]]> <![CDATA[<211> 16]]> <![CDATA[<212> PRT]]> <![CDATA[<213> 人工]]> <![CDATA[<220>]]> <![CDATA[<223> BAN0805 VH-CDR-2 (Kabat)]]> <![CDATA[<400> 16]]> Val Ile Trp Arg Gly Gly Ser Thr Asp Tyr Ser Ala Ala Phe Met Ser 1 5 10 15 <![CDATA[<210> 17]]> <![CDATA[<211> 1335]]> <![CDATA[<212> DNA]]> <![CDATA[<213> 人工]]> <![CDATA[<220>]]> <![CDATA[<223> BAN0805 HC基因]]> <![CDATA[<400> 17]]> caggttcagc tgcaagagtc tggccctggc ctggtcaagc cttccgaaac actgtctctg 60 acctgcaccg tgtccggctt ctccctgaca tcttatgggg tgcactggat cagacagcct 120 ccaggcaaag gcctggaatg gatcggagtg atttggagag gcggctccac cgattactcc 180 gccgccttca tgtcccggct gaccatctct aaggacacct ccaagaacca ggtgtccctg 240 aagctgtcct ctgtgaccgc tgctgatacc gccgtgtact actgtgccaa gctgctgaga 300 tctgtcggcg gctttgctga ttggggccag ggcacaatgg tcaccgtgtc tagcgcttct 360 acaaagggcc caagcgtgtt ccccctggcc ccctgctcca gaagcaccag cgagagcaca 420 gccgccctgg gctgcctggt gaaggactac ttccccgagc ccgtgaccgt gtcctggaac 480 agcggagccc tgaccagcgg cgtgcacacc ttccccgccg tgctgcagag cagcggcctg 540 tacagcctga gcagcgtggt gaccgtgccc agcagcagcc tgggcaccaa gacctacacc 600 tgtaacgtgg accacaagcc cagcaacacc aaggtggaca agagggtgga gagcaagtac 660 ggcccaccct gccccccctg cccagccccc gagttcctgg gcggacccag cgtgttcctg 720 ttccccccca agcccaagga caccctgatg atcagcagaa cccccgaggt gacctgtgtg 780 gtggtggacg tgtcccagga ggaccccgag gtccagttca actggtacgt ggacggcgtg 840 gaggtgcaca acgccaagac caagcccaga gaggagcagt ttaacagcac ctaccgggtg 900 gtgtccgtgc tgaccgtgct gcaccaggac tggctgaacg gcaaagagta caagtgtaag 960 gtctccaaca agggcctgcc aagcagcatc gaaaagacca tcagcaaggc caagggccag 1020 cctagagagc cccaggtcta caccctgcca cccagccaag aggagatgac caagaaccag 1080 gtgtccctga cctgtctggt gaagggcttc tacccaagcg acatcgccgt ggagtgggag 1140 agcaacggcc agcccgagaa caactacaag accacccccc cagtgctgga cagcgacggc 1200 agcttcttcc tgtacagcag gctgaccgtg gacaagtcca gatggcagga gggcaacgtc 1260 tttagctgct ccgtgatgca cgaggccctg cacaaccact acacccagaa gagcctgagc 1320 ctgtccctgg gctga 1335 <![CDATA[<210> 18]]> <![CDATA[<211> 660]]> <![CDATA[<212> DNA]]> <![CDATA[<213> 人工]]> <![CDATA[<220>]]> <![CDATA[<223> BAN0805 LC基因]]> <![CDATA[<400> 18]]> gacatcgtga tgacccagtc tccactgagc ctgcctgtga cacctggcga gcctgcttcc 60 atctcctgca gatcctctca gaccatcgtg cacaacaacg gcaacaccta cctggaatgg 120 tatctgcaga agcccggcca gtctcctcag ctgctgatct acaaggtgtc caaccggttc 180 tctggcgtgc ccgacagatt ttccggctct ggctctggca ccgacttcac cctgaagatc 240 tccagagtgg aagccgagga cgtgggcgtg tactactgct tccaaggctc tcacgtgccc 300 ttcacctttg gccagggcac caagctggaa atcaagcgta cggtggccgc tcccagcgtg 360 ttcatcttcc ccccaagcga cgagcagctg aagagcggca ccgccagcgt ggtgtgtctg 420 ctgaacaact tctaccccag ggaggccaag gtgcagtgga aggtggacaa cgccctgcag 480 agcggcaaca gccaggagag cgtcaccgag caggacagca aggactccac ctacagcctg 540 agcagcaccc tgaccctgag caaggccgac tacgagaagc acaaggtgta cgcctgtgag 600 gtgacccacc agggcctgtc cagccccgtg accaagagct tcaacagggg cgagtgctga 660 <![CDATA[<210> 19]]> <![CDATA[<211> 356]]> <![CDATA[<212> DNA]]> <![CDATA[<213> 人工]]> <![CDATA[<220>]]> <![CDATA[<223> BAN0805 VH基因]]> <![CDATA[<400> 19]]> caggttcagc tgcaagagtc tggccctggc ctggtcaagc cttccgaaac actgtctctg 60 acctgcaccg tgtccggctt ctccctgaca tcttatgggg tgcactggat cagacagcct 120 ccaggcaaag gcctggaatg gatcggagtg atttggagag gcggctccac cgattactcc 180 gccgccttca tgtcccggct gaccatctct aaggacacct ccaagaacca ggtgtccctg 240 aagctgtcct ctgtgaccgc tgctgatacc gccgtgtact actgtgccaa gctgctgaga 300 tctgtcggcg gctttgctga ttggggccag ggcacaatgg tcaccgtgtc tagcgc 356 <![CDATA[<210> 20]]> <![CDATA[<211> 336]]> <![CDATA[<212> DNA]]> <![CDATA[<213> 人工]]> <![CDATA[<220>]]> <![CDATA[<223> BAN0805 VL基因]]> <![CDATA[<400> 20]]> gacatcgtga tgacccagtc tccactgagc ctgcctgtga cacctggcga gcctgcttcc 60 atctcctgca gatcctctca gaccatcgtg cacaacaacg gcaacaccta cctggaatgg 120 tatctgcaga agcccggcca gtctcctcag ctgctgatct acaaggtgtc caaccggttc 180 tctggcgtgc ccgacagatt ttccggctct ggctctggca ccgacttcac cctgaagatc 240 tccagagtgg aagccgagga cgtgggcgtg tactactgct tccaaggctc tcacgtgccc 300 ttcacctttg gccagggcac caagctggaa atcaag 336
Claims (17)
- 一種抗體,其包括包含SEQ ID NO: 1之胺基酸序列之重鏈及包含SEQ ID NO: 2之胺基酸序列之輕鏈。
- 如請求項1所述之抗體,其中該抗體為IgG同型。
- 如請求項1所述之抗體,其中該抗體為IgG4同型。
- 如請求項1至3中任一項所述之抗體,其中該抗體與基原纖維形式之α-突觸核蛋白之結合的K D值,比與單體形式之α-突觸核蛋白之結合的K D值小至少110,000倍。
- 如請求項1至3中任一項所述之抗體,其中該抗體具有與至多18 pM的基原纖維形式之α-突觸核蛋白結合的K D值以及與具有至少2200nM的單體形式的α-突觸核蛋白結合的K D值。
- 如請求項4或5中任一項所述之抗體,其中該抗體之用於結合α-突觸核蛋白之基原纖維形式的K D值及該抗體之用於結合α-突觸核蛋白之單體形式的K D值係藉由SPR量測。
- 一種抗體,其包括包含SEQ ID NO: 3之胺基酸序列之重鏈及包含SEQ ID NO: 4之胺基酸序列之輕鏈。
- 如請求項7所述之抗體,其中該抗體包含兩條重鏈及兩條輕鏈。
- 一種核酸,其編碼包含選自由SEQ ID NO: 1至4組成之群組之胺基酸序列的多肽。
- 如請求項9所述之核酸,其包含選自由SEQ ID NO: 11至14及17至20組成之群組之序列。
- 一或多種核酸,其編碼如請求項1至8中任一項所述之抗體。
- 如請求項11所述之一或多種核酸,其中 (a) 該一或多種核酸包含SEQ ID NO: 11及12之序列, (b) 該一或多種核酸包含SEQ ID NO: 13及14之序列, (c) 該一或多種核酸包含SEQ ID NO: 17及18之序列,或 (d) 該一或多種核酸包含SEQ ID NO: 19及20之序列。
- 一或多種載體,其包含如請求項9至12中任一項所述之一或多種核酸。
- 一種宿主細胞,其包含如請求項9至12中任一項所述之一或多種核酸。
- 一種宿主細胞,其包含如請求項13所述之一或多種載體。
- 一種宿主細胞,其表現如請求項1至8中任一項所述之抗體。
- 一種組合物,其包含如請求項1至8中任一項所述之抗體及醫藥學上可接受之載劑。
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US8506959B2 (en) | 2002-11-01 | 2013-08-13 | Neotope Biosciences Limited | Prevention and treatment of synucleinopathic and amyloidogenic disease |
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US7358331B2 (en) | 2003-05-19 | 2008-04-15 | Elan Pharmaceuticals, Inc. | Truncated fragments of alpha-synuclein in Lewy body disease |
US7674599B2 (en) | 2003-11-08 | 2010-03-09 | Elan Pharmaceuticals, Inc. | Methods of using antibodies to detect alpha-synuclein in fluid samples |
WO2005108423A1 (en) | 2004-05-11 | 2005-11-17 | Atgen Co., Ltd. | Novel peptides conferring environmental stress resistance and fusion proteins including said peptides |
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US9534044B2 (en) * | 2013-02-28 | 2017-01-03 | United Arab Emirates University | Alpha-synuclein antibodies and uses thereof |
CN106661107B (zh) * | 2013-12-24 | 2021-12-24 | 杨森制药公司 | 抗vista抗体及片段 |
US11773166B2 (en) * | 2014-11-04 | 2023-10-03 | Ichnos Sciences SA | CD3/CD38 T cell retargeting hetero-dimeric immunoglobulins and methods of their production |
US20190330335A1 (en) * | 2015-10-06 | 2019-10-31 | Alector Llc | Anti-trem2 antibodies and methods of use thereof |
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