CN107864653B - 衣壳 - Google Patents

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CN107864653B
CN107864653B CN201680027100.0A CN201680027100A CN107864653B CN 107864653 B CN107864653 B CN 107864653B CN 201680027100 A CN201680027100 A CN 201680027100A CN 107864653 B CN107864653 B CN 107864653B
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A·纳斯瓦尼
A·戴恩
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UCL Business Ltd
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Abstract

描述了具有与SEQ ID NO:3的序列具有至少98%同一性或与SEQ ID NO:4的序列至少94%同一性的氨基酸序列的AAV衣壳蛋白。还描述了一种药物组合物,包含该衣壳蛋白的AAV衣壳和病毒颗粒,包含编码该衣壳蛋白的核苷酸序列的重组AAV载体和包含该衣壳蛋白或该载体的宿主细胞和转基因动物。另外,还描述了将目的核酸转移到哺乳动物中的方法,其包括将重组AAV载体导入哺乳动物,其中该重组AAV载体包含被包裹到包含该衣壳蛋白的衣壳中的目的基因。

Description

衣壳
发明领域
本发明涉及腺相关病毒(AAV)衣壳变体。
发明背景
近年来已经开发了基于不同病毒的多个重组基因转移载体。基于腺相关病毒(AAV)的基因转移载体、即AAV载体是优选的,因为它们能够转导不同类型的不同组织的分裂和非分裂细胞的能力,以及建立稳定的长期转基因表达的能力。虽然基于其他病毒例如腺病毒和逆转录病毒的载体可能具有某些期望的特征,但它们也与不期望的副作用相关。基于AAV的基因转移载体尚未检测到此类副作用(Manno et al.,Nature Medicine,12(3):342(2006))。
已经鉴定、克隆、测序并转化为载体的许多AAV血清型。这些血清型包括AAV8、AAV5、AAV3B和最近描述的AAV-LK03(WO2013/029030)。然而,本发明人已经发现许多目前使用的载体在人中具有低的转导率。例如,AAV8载体在人中的转导是小鼠中的二十分之一,以及发生在三分之二的高剂量组群中瞬时、泼尼松龙反应性转氨酶升高(transaminitis)。因此,需要新的AAV载体来提高效能和安全性,并且促进更广泛的临床适用性。
为此,本发明人通过经验交换来自4种不同AAV衣壳的各种结构域已经开发了新的杂合衣壳:(1)AAV8,(2)AAV5,(3)AAV3B和(4)AAV-LK03。开发了与目前使用的载体相比达到至多5倍的基因转移水平的衣壳。
发明概述
在本发明的第一方面,提供了具有与SEQ ID NO:3具有至少98%同一性或与SEQID NO:4具有至少94%同一性的氨基酸序列的AAV衣壳蛋白。
发明人已经出乎意料地发现,该新的衣壳蛋白产生提供比目前使用的AAV载体更高的转导率的衣壳。此外,已经发现,患者中针对该衣壳的抗体的流行率低于一些目前使用的AAV载体。
在一些实施方案中,氨基酸序列与SEQ ID NO:4的序列具有至少95%的同一性。在具体实施方案中,氨基酸序列与SEQ ID NO:4的序列具有至少96%的同一性。在进一步的实施方案中,氨基酸序列与SEQ ID NO:4的序列具有至少97%的同一性。在一些实施方案中,氨基酸序列与SEQ ID NO:4的序列具有至少98%的同一性。在其它实施方案中,氨基酸序列与SEQ ID NO:4的序列具有至少99%的同一性。在具体实施方案中,氨基酸序列具有SEQ IDNO:4的序列。
在一些实施方案中,氨基酸序列与SEQ ID NO:3的序列具有至少98.5%的同一性,优选与SEQ ID NO:3的序列具有至少99%的同一性,更优选与SEQ ID NO:3的序列具有至少99.5%的同一性。在具体实施方案中,氨基酸序列具有SEQ ID NO:3的序列。
在一些实施方案中,氨基酸序列与SEQ ID NO:3的序列具有同一性。在其它实施方案中,氨基酸序列与SEQ ID NO:4的序列具有同一性。在优选的实施方案中,氨基酸序列具有SEQ ID NO:4的序列。更优选地,氨基酸序列具有SEQ ID NO:3的序列。
具有上述氨基酸序列的衣壳蛋白是功能性衣壳蛋白,其可以与其它必需的衣壳蛋白一起形成功能性衣壳。功能性衣壳是可以包围遗传物质,进入细胞并用遗传物质转导细胞的衣壳。确定衣壳是否功能正常在技术人员的能力范围内。例如,以下在本发明的详述中描述的实验可以用于确定衣壳是否可以成功转导细胞。
通过克隆包含AAV3B衣壳的VP2和VP3结构域上游的AAV8VP1区的146个氨基酸区域来产生SEQ ID NO:3。通过克隆AAV3B VP2和VP3区上游的AAV5VP1区产生SEQ ID NO:4。以下提供AAV血清型和衣壳蛋白的进一步细节。
本发明的第二方面提供了包含上述AAV衣壳蛋白的AAV衣壳。AAV衣壳是由VP1、VP2和VP3蛋白组成的蛋白质壳,其包裹(或包围)病毒的遗传物质。
此外,提供了包含上述AAV衣壳蛋白的病毒颗粒。病毒颗粒包含AAV衣壳和病毒的遗传物质。
在本发明的第三方面,提供了包含编码上述氨基酸序列的核苷酸序列的重组AAV(rAAV)载体。这意味着该载体含有编码功能性衣壳蛋白的核苷酸序列。
优选地,该载体还包含启动子,使得核苷酸序列是可表达的。优选地,该载体包含AAV2p40病毒启动子,其在大多数哺乳动物细胞类型中是组成型活性的。
因此,本发明提供了基于通常感染人(例如,血清型1、2、3A、3B、4、5和6)或灵长类动物(例如,血清型1和4)的腺相关病毒(AAV)的基因递送载体。关于这种病毒的进一步信息在Kenneth I.Berns,"Parvoviridae:The Viruses and Their Replication,"Chapter69于Fields Virology(3d Ed.1996)中有描述。
所有已知AAV血清型的基因组组成非常相似。AAV的基因组是长度小于约5,000个核苷酸(nt)的线性单链DNA分子。末端反向重复序列(ITR)侧接编码非结构复制(Rep)蛋白和结构(VP)蛋白的独特核苷酸序列。VP蛋白(VP1、VP2和VP3)形成衣壳。末端145nt是自身互补的并且被组织成以便可以形成形成T形发夹的能量稳定的分子内的双链体。这些发夹结构作为病毒DNA复制的起点,用作细胞DNA聚合酶复合物的引物。在哺乳动物细胞中野生型(wt)AAV感染后,Rep基因(即编码Rep78和Rep52蛋白)分别由P5启动子和P19启动子表达,并且两个Rep蛋白在病毒基因组的复制中具有功能。Rep ORF中的剪接事件导致实际上四种Rep蛋白的表达(即Rep78、Rep68、Rep52和Rep40)。然而,已经显示在哺乳动物细胞中编码Rep78和Rep52蛋白的未剪接的mRNA足以产生AAV载体。在昆虫细胞中,Rep78和Rep52蛋白也足以产生AAV载体。
在适合用作基因治疗载体的AAV中,载体基因组通常包含待包装的用于递送至靶细胞的目的核酸。根据该特定实施方案,核酸位于载体基因组任一端的病毒ITR之间。AAV基因组有可能仅使用一个ITR发挥功能。因此,在基于AAV的本发明的基因治疗载体中,载体基因组侧接至少一个ITR,但更典型地侧接两个AAV ITR(通常具有载体基因组的任一侧,即5'末端一个和3'末端一个)。载体基因组中的核酸与ITR中的一个或多个之间可能存在插入序列。
在本发明的上下文中,“至少一个ITR”被理解为是指包含大部分互补的、对称排列的序列也称为“A”、“B”和“C”区的回文序列。ITR起复制起点的作用,复制起点是在复制中具有“顺式”作用的位点,即作为反式作用复制蛋白例如Rep 78(或Rep68)的识别位点,其识别回文和回文内的特定序列。ITR序列的对称性的一个例外是ITR的“D”区。它是独特的(在一个ITR内没有互补序列)。单链DNA的切口发生在A区和D区之间的交界处。这是新DNA合成开始的区域。D区通常位于回文的一侧,并为核酸复制步骤提供方向性。在哺乳动物细胞中复制的AAV通常具有两个ITR序列。然而,可以工程改造ITR,使得结合站点对称地位于A区和D区的两条链上,在回文的每一侧上有一个。在双链环状DNA模板(例如质粒)上,Rep78-或Rep68-辅助的核酸复制然后在两个方向上进行,单个ITR足以用于环状载体的细小病毒复制。因此,在本发明的上下文中可以使用一个ITR核苷酸序列。然而,优选地,使用两个或另一偶数个常规ITR。最优选地,使用两个ITR序列。为了安全起见,可能需要构建在初始引入细胞后不能进一步繁殖的AAV载体。用于限制接收者中不希望的载体繁殖的这种安全机制可以通过使用具有US2003148506中所述的嵌合ITR的AAV来提供。
本领域技术人员将理解,可以考虑病毒ITR的来源来选择用于产生本发明的AAV载体的病毒Rep蛋白。例如,尽管ITR的血清型和Rep蛋白不是必须匹配的,AAV5ITR通常与AAV5Rep蛋白更有效地相互作用。
本发明中使用的ITR通常是功能性的,即它们可以是完全可分解的(resolvable),并且是AAV序列,优选血清型1、2、3、4、5或6的AAV序列。根据本发明的可分解的AAV ITR不需要具有野生型ITR序列(例如,可以通过插入、缺失、截短或错义突变改变的野生型序列),只要ITR介导期望的功能,例如,病毒包装、整合和/或原病毒拯救等。
在进一步优选的实施方案中,AAV cap基因和AAV rep基因从模板基因组(并且因此从其产生的病毒颗粒DNA)中缺失。该构造使得能够由AAV衣壳携带的核酸序列的大小最大化。
可以在本发明中用于生产AAV基因治疗载体的AAV序列可以从任何AAV血清型的基因组衍生。通常,AAV血清型具有在氨基酸和核酸水平上具有显著同源性的基因组序列,提供相同的一组遗传功能,产生基本上物理和功能等同的病毒颗粒,并通过实际相同的机制复制和组装。对于各种AAV血清型的基因组序列和基因组相似性的概述,参见例如GenBank登录号U89790;GenBank登录号J01901;GenBank登录号AF043303;GenBank登录号AF085716。AAV血清型1、2、3、4、5、6、7、8或9可用于本发明。然而,AAV血清型1、5或8是用于本发明上下文的AAV序列的优选来源。当用于生产基因治疗载体时,来自AAV血清型的序列可以被突变或工程改造。
优选地,用于本发明上下文中的AAV ITR序列衍生自AAV1、AAV2、AAV4和/或AAV6。同样,Rep(Rep78和Rep52)编码序列优选衍生自AAV1、AAV2、AAV4和/或AAV6。
大多数血清型中AAV Rep和ITR序列特别保守。各种AAV血清型的Rep78蛋白是例如大于89%的相同,并且在AAV2、AAV3A、AAV3B和AAV6之间的基因组水平上的总核苷酸序列同一性约为82%。此外,已知许多AAV血清型的Rep序列和ITR可以在哺乳动物细胞中AAV颗粒的生产中有效地交叉互补(即功能上替代)来自其它血清型的相应序列。US 2003148506报道,AAV Rep和ITR序列还有效地与昆虫细胞中的其他AAV Rep和ITR序列交叉互补。
已知AAV VP蛋白质确定AAV病毒颗粒的细胞向性(tropicity)。VP蛋白编码序列比不同AAV血清型中的Rep蛋白和基因显著更不保守。Rep和ITR序列交叉互补其他血清型的相应序列的能力允许产生包含一种血清型(例如AAV1、5或8)的衣壳蛋白和另一AAV血清型(如AAV2)的Rep和/或ITR序列的假型AAV颗粒。这种假型rAAV颗粒是本发明的一部分,因为任何AAV血清型的Rep和/或ITR序列可以与本发明的经修饰的衣壳蛋白一起使用。
经修饰的“AAV”序列也可以在本发明的上下文中使用,例如,用于生产AAV基因治疗载体。这样的经修饰的序列例如包括与AAV1,AAV2,AAV3,AAV4,AAV5,AAV6,AAV7,AAV8或AAV9ITR或Rep具有至少约70%,至少约75%,至少约80%,至少约85%,至少约90%,至少约95%或更多核苷酸和/或氨基酸序列同一性的序列(例如,具有约75-99%核苷酸序列同一性的序列)可用于替换野生型AAV ITR或Rep序列。
尽管与其他AAV血清型在许多方面相似,AAV5比其他已知的人和猿猴AAV血清型不同于其他人和猿血清型的不同之处更多。鉴于此,rAAV5的产生可能与昆虫细胞中其他血清型的产生不同。在本发明的方法用于产生rAAV5的情况下,优选一种或多种构建体,在多于一种构建体的情况下,总体上包含AAV5ITR的核苷酸序列,核苷酸序列包含AAV5Rep编码序列(即核苷酸序列包含AAV5Rep78)。可以根据需要修饰这样的ITR和Rep序列以获得AAV5或假型AAV5载体的有效生产。
选择最合适的病毒、病毒亚型或病毒血清型在本领域技术人员的技术技能之内。对于某种类型的组织,某些亚型或血清型可能比其他亚型或血清型更合适。
例如,目的核酸的肝特异性表达可以有利地由AAV介导的肝细胞转导诱导。肝脏适合于AAV介导的转导,可以使用不同的血清型(例如,AAV1、AAV5或AAV8)。肌肉的转导可以通过经由血流施用AAV编码核酸来实现。因此,静脉内或动脉内施用是适用的。
有利地,通过使用本发明的载体,可以获得更大程度的细胞转导。在肝细胞中尤其如此。
因此,本发明的载体因此代表了通过工程改造有效转导合适的细胞类型例如肝细胞的基因治疗载体内的核酸用于体内递送治疗性核苷酸序列的开发策略的工具。
载体可以包含允许表达功能性治疗性蛋白质的其它元件。这些元件是本领域技术人员众所周知的。
优选分离上述核酸和氨基酸序列。
本领域技术人员产生上述核酸分子和氨基酸序列的能力将是很好的。这可以例如使用给定序列的化学合成来完成。
本发明还涉及将目的核酸转移到哺乳动物中的方法,其包括将重组AAV载体导入哺乳动物,所述重组AAV载体包含被包裹到包含上述衣壳蛋白的衣壳中的目标基因。
本发明还提供了包含具有上述氨基酸序列的衣壳蛋白或上述载体的宿主细胞。
如本文所用,术语“宿主”是指含有本发明的蛋白质或载体的生物体和/或细胞,以及适用于表达重组基因或蛋白质的生物体和/或细胞。本发明不限于任何特定类型的细胞或生物体。实际上,考虑了将在本发明中用作宿主的任何合适的生物体和/或细胞。宿主细胞可以是单细胞、相似或不同细胞的群体的形式,例如以培养物(例如液体培养物或固体基质上的培养物)、生物体或其一部分的形式。
根据本发明的宿主细胞可以允许表达治疗性核酸分子。因此,宿主细胞可以是例如细菌、酵母、昆虫或哺乳动物细胞。
此外,本发明提供了包含含有上述氨基酸序列的衣壳蛋白或上述载体的细胞的转基因动物。优选地,动物是非人哺乳动物,特别是灵长类动物。或者,动物可以是啮齿动物,特别是小鼠;或者可以是犬,猫,羊或猪。
在一方面,本发明提供了包含具有本发明的氨基酸序列的衣壳蛋白或本发明的载体和一种或多种药学上可接受的赋形剂的药物组合物。一种或多种赋形剂包括载体、稀释剂和/或其它药用剂、药物制剂或佐剂等。
用本发明的序列实现的更高水平的基因转移代表了超出现有技术水平的进步。已经观察到效力的改善,其将允许使用更低载体剂量和以更低的成本的基因转移,从而提高安全性(特别是降低剂量依赖性的肝毒性)。因此,本发明的序列和载体可对例如先天性FVII缺乏症,戈谢病,OTC缺乏症,法布里病,糖原贮积病,α-1-抗胰蛋白酶缺乏症,进行性家族性肝内胆汁淤积症,威尔逊氏症,克里格勒-纳贾尔综合征和肝细胞癌等的障碍具有临床适用性。
因此,本发明可以提供一种治疗上述一种或多种疾病的方法,其包括向患有所述疾病的患者施用治疗有效量的如上所述的载体。优选地,患者是人。
当所述疾病在上述方法中“得到治疗”时,这意味着所述疾病的一种或多种症状得到改善。这并不意味着所述疾病的症状被完全补救,使得它们不再存在于患者体内,尽管在某些方法中可能是这种情况。治疗方法导致所述疾病的一种或多种症状的比治疗前更不严重。
“治疗有效量”是指在剂量上和必要的时间段内有效实现所期望的治疗结果的量。
此外,本发明可以提供用于治疗的如上所述的衣壳蛋白或如上所述的载体,优选用于治疗上述疾病之一。
此外,本发明可以提供如上所述的衣壳蛋白或如上所述的载体在制备用于治疗上述疾病之一的药物中的用途。
在以上说明书中,术语“同一性”用于指两个序列的相似性。为了本发明的目的,这里定义为了确定两个氨基酸序列的同一性百分比,为了最佳比较的目的对齐序列(例如,可以在氨基酸序列中引入缺口以获得与第二氨基酸序列的最佳比对)。然后比较氨基酸残基。当第一序列中的位置被与第二个序列中相应位置的相同的氨基酸或氨基酸残基占据时,则该位置处的分子是相同的。两个序列之间的同一性百分比是序列共有的相同位置的数目的函数(即,同一性百分比=相同位置的数量/位置总数(即重叠位置)×100)。优选地,两个序列的长度相同。
可以在被比较的两个序列的整个长度上进行序列比较,或者在两个序列的片段上进行序列比较。通常,比较将在被比较的两个序列的全长上进行。然而,序列同一性可以在例如约二十,约五十,约一百,约二百,约五百,约1000或约2000或更多个连续氨基酸残基的区域上进行。
本领域技术人员将意识到几个不同的计算机程序可用于确定两个序列之间的同源性或同一性的事实。在优选实施方案中,使用软件包Clone Manager Professional版本9(优选版本9.4)分析两个序列之间的同一性。该分析工具由Sci-Ed Software(Scientific&Educational Software,11010Lake Grove Blvd,Ste 100,PMB 122,Morrisville,NC27560,USA-http://www.scied.com/index.htm)生成。用于比较序列的设置优选如下:比对:全局DNA比对;参数:两条链;评分矩阵:线性(不匹配2,OpenGap 4,ExtGap 1)。或者,也可以使用相同的软件和本地设置使用如Fast Scan-MaxScore和Fast Scan MaxQual的方法。
其他方法也可用于确定序列同一性。例如,可以使用已经并入到Accelrys GCG软件包中的GAP程序中的Needleman和Wunsch(1970)算法(可从http://www.accelrys.com/products/gcg/获得),使用Blosum 62矩阵或PAM250矩阵,缺口权重为16、14、12、10、8、6或4,长度权重为1、2、3、4、5或6来确定两个氨基酸或核酸序列之间的同一性百分比。
本发明文件中引用的所有专利和文献通过引用整体并入本文。
本领域技术人员将理解,本发明的所有方面,无论它们是否涉及例如氨基酸、病毒颗粒、载体、宿主细胞或用途,均可同样适用于本发明的所有其它方面。特别地,治疗方法例如载体的施用的方面可以比本发明的一些其它方面更详细地描述,例如涉及载体在治疗中的用途。然而,本领域技术人员将会理解,对于本发明的特定方面给出了更详细的信息,该信息通常同样适用于本发明的其它方面。此外,本领域技术人员还将理解,与治疗方法相关的描述同样适用于载体在治疗中的用途。
发明详述
现在将仅通过参考附图的方式详细描述本发明,其中:
图1显示了杂合AAV衣壳的评估。A部分显示了杂合衣壳的示意图,B部分示出了HUH7细胞中两种不同MOI(感染复数)下不同杂合衣壳的体外转移效率。
图2显示细胞转导实验的结果。图2A显示用AAV8、AAV5、AAV-rh10、AAV-LK03和AAV突变体C载体转导HUH7细胞的结果。图2B显示了用AAV8、AAV5、AAV-LK03和AAV突变体C载体转导贴壁HepG2细胞的结果。
图3A显示用AAV8、AAV5、AAV-rh10和AAV突变体C载体转导原代肝细胞的流式细胞术分析。图3B是转导的肝细胞的荧光显微镜图像。
图4A显示了在1×104或1×105的MOI下用含有GFP基因的AAV8和AAV突变体C载体转导HepG2细胞的3D培养物获得的485nm/535nm处的GFP激发/发射。图4B是转导的3D HepG2细胞的荧光显微镜图像(5倍物镜,GFP曝光时间恒定[300ms])。
图5显示了作为ELISA免疫吸附法的结果的针对严重血友病患者中AAV载体的抗体的流行率。
本发明人的研究计划旨在建立具有相对高转导率和最小副作用的AAV载体。结果,本发明人开发了新的杂合衣壳和载体。
实施例1
通过经验交换来自4种不同AAV衣壳的各种区域产生新的杂合衣壳:(1)AAV8,(2)AAV5,(3)AAV3B和(4)AAV-LK03(参见图1)。已经报道后者比目前可获得的天然存在的AAV衣壳更有效地转导人肝细胞。值得注意的是,LK03具有与AAV3B相比>95%的氨基酸序列同源性。本发明的衣壳蛋白是通过从血清型1-rh10中选择野生型AAV衣壳的基序而开发的合成衣壳。用来自AAV8和AAV5的相应区域替换LK03的VP2和VP3区域,分别产生突变体A(SEQ IDNO:1)(Mut A)和B(SEQ ID NO:2)(Mut B)。在突变体C(SEQ ID NO:3)(Mut C)中,将包含AAV8VP1区的146个氨基酸区克隆在AAV3B衣壳的VP2和VP3结构域的上游。类似地,在突变体D(SEQ ID NO:4)(Mut D)中,将AAV5-VP1区域克隆在AAV3B VP2和VP3区域的上游。在突变体E(SEQ ID NO:5)(Mut E)中,将AAV8的结构域v-I、v-II和v-IX替换为来自AAV3B的同源物。在突变体F(SEQ ID NO:6)(Mut F)中,将含有AAV3B的肝细胞生长因子受体结合位点的262个氨基酸区域克隆到AAV8衣壳的相应区域。
合成衣壳特别是突变体C和突变体D的VP1、VP2和VP3的比例与对AAV2、3b、5或8观察到的相似。突变体C和突变体D二者对于人肝细胞具有强的向性(tropism),当与包括AAV5和AAV8的野生型AAV衣壳相比时,它们能够介导更高水平的基因转移到这些细胞中。
通过重叠PCR组装或通过基因合成(GenScript;Mut C、Mut E和F)产生衣壳序列。将衣壳序列克隆到含有经修饰的起始密码子(ATG至ACG)的AAV2的Rep78编码序列的AAV辅助质粒中。通过用pCMV-eGFP、pRep2Cap和腺病毒辅助质粒pHGTI的标准三重质粒转染HEK293细胞制备载体储备物。通过用碘克沙醇的密度梯度离心纯化载体。用特异性针对eGFP的引物通过QPCR滴定载体基因组。杂合AAV载体的产量与先前用AAV8观察到的相当。使用HUH7肝细胞癌细胞系在1×104和1×105的感染复数(MOI)下在体外评价这些杂合衣壳的基因转移效率。通过流式细胞术检测报告基因eGFP,确定基因转移水平。基因转移的最高水平是通过突变体C达到AAV8的至少5倍的水平(图1B)。该突变体介导了与AAV3B和新的血清型LK03相似的基因转移水平。突变体D的基因转移效率低于突变体C的基因转移效率,但是亲本血清型AAV5的基因转移效率的3倍。与野生型AAV8和AAV5所观察到的具有相似水平的GFP阳性细胞的突变体C相比,突变体E和F具有低得多的基因转移水平。
实施例2
重组AAV载体的产生。AAV载体的制备是通过共同转染贴壁HEK293T细胞和包含其中EGFP报告基因在CMV启动子控制下的载体质粒、腺病毒辅助质粒和包装质粒组成的质粒的组合,其中各自AAV cap基因在内源性启动子控制下的AAV2Rep基因的下游。使用AVB柱色谱纯化载体。所有载体的滴定通过qPCR测定以及碱性凝胶分析进行。
体外转导。以单层生长的肝癌细胞系用AAV在各种MOI下转导,然后在基因转移后
Figure BDA0001463363890000121
小时使用流式细胞术评估转导效率。
原代人肝细胞获自Life-technologies并根据供应商的说明书维持培养。然后将它们暴露于在CMV启动子下编码GFP的AAV。3-4天后使用流式细胞术或直接荧光显微镜评估基因转移效率。
将包封的HepG2细胞的3D培养物暴露于不同的MOI的AAV,然后通过使用酶标仪或通过直接荧光显微镜定量绿色荧光进行评估。
抗AAV抗体滴度。使用免疫吸附法评估从严重血友病患者获得的血浆样品中的抗AAV抗体滴度。抗AAV抗体滴度表示为终点滴度(相对单位/ml),定义为吸光度值等于平均吸光度背景值的五倍的内推(interpolated)稀释度的倒数。
与人肝细胞系和原代人肝细胞中其他血清型相比,AAV突变体C载体的转导效率
在重点研究中,比较了Huh7(肝癌细胞系)和HepG2细胞株(肝癌细胞系)中AAV8、AAV5、AAV-rh10、AAV-LK03和AAV Mut C的体外转导效率。所有载体含有在巨细胞病毒(CMV)启动子控制下的绿色荧光蛋白(GFP)报告基因。
AAV8、AAV5和AAV-rh10载体在转染Huh7细胞方面效率较低,平均GFP表达范围为15%至26%。相比之下,用AAV-LK03观察到更高水平的基因转移,对于用这些衣壳蛋白假型化的载体,Mut C的转导效率接近70%(图2A)。Mut C和AAV8基因转移效率差异非常显著(p=0.0012)。
当用AAV Mut C和AAV-LK03转导HepG2细胞时,在HepG2细胞系中获得了类似的结果(图2B),其基因转移效率为AAV8和AAV5的几乎10倍,与MOI无关(P=<0.05)。
接下来,评估了衍生自3个不同供体的原代人肝细胞的基因转移效率。所有供体均为男性,其中2名起源于白种人,1名起源于非裔加勒比人。这些供体的年龄从21-52岁不等。使用在CMV启动子控制下编码GFP的载体将原代肝细胞以106的MOI暴露于AAV载体。转染效率通过荧光显微镜或流式细胞术在基因转移后4-5天进行评估。如图3所示,AAV Mut C(32.06±4%)达到的基因转移效率是AAV8(7.3±7%)的4倍以上。原代人肝细胞在AAV MutC和AAV8组之间基因转移效率差异非常显著(p=0.0015,使用1个样本t检验)。直接荧光图像分析验证了流式细胞术数据显示在用AAV Mut C转导的细胞中GFP表达水平高得多(图3B)。
接下来,本发明人使用JetCutter将AAV介导的基因转移到包封在藻酸盐中的HepG2细胞的3D培养物中,以产生约500μm的含有近似浓度为1.7M/ml珠粒的HepG2细胞的球形珠。该模型的强度在于包封于珠内的细胞增殖以形成具有良好细胞与细胞接触和细胞功能的紧密细胞类球体(AELS)。与单层培养相比,AELS表现出更好的生长和上调的肝脏特异性功能,典型的细胞结构表现出桥粒、紧密连接和微绒毛、高质量的内质网和线粒体,以及产生与正常肝脏相似的细胞外基质。
使用含有CMV GFP表达盒的载体,以1×104或1×105的MOI,用AAV8或AAV Mut C转导3D珠培养物。如前所述,通过使用酶标仪(图4A)或直接荧光显微镜(图4B)定量绿色荧光来确定转导效率。与用AAV8转导的珠中的GFP表达相比,用AAV Mut C观察到3D类球体的3-5倍的基因转移效率。使用直接荧光显微镜也注意到基因转移效率的差异。
对预先存在的对严重血友病患者中突变体C的抗体进行评估
筛选来自未经选择的严重血友病患者的血浆样品,以使用ELISA免疫吸附法评估预先存在的针对AAV Mut C的抗体的流行率。63%的患者对AAV Mut C没有显示可检测的抗体。AAV8和AAV-LK03的相应水平为51%。因此,这表明较少的严重血友病患者具有针对AAVMut C的抗体。
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35 40 45
Gly Tyr Lys Tyr Leu Gly Pro Gly Asn Gly Leu Asp Lys Gly Glu Pro
50 55 60
Val Asn Ala Ala Asp Ala Ala Ala Leu Glu His Asp Lys Ala Tyr Asp
65 70 75 80
Gln Gln Leu Lys Ala Gly Asp Asn Pro Tyr Leu Lys Tyr Asn His Ala
85 90 95
Asp Ala Glu Phe Gln Glu Arg Leu Lys Glu Asp Thr Ser Phe Gly Gly
100 105 110
Asn Leu Gly Arg Ala Val Phe Gln Ala Lys Lys Arg Leu Leu Glu Pro
115 120 125
Leu Gly Leu Val Glu Glu Ala Ala Lys Thr Ala Pro Thr Gly Lys Arg
130 135 140
Ile Asp Asp His Phe Pro Lys Arg Lys Lys Ala Arg Thr Glu Glu Asp
145 150 155 160
Ser Lys Pro Ser Thr Ser Ser Asp Ala Glu Ala Gly Pro Ser Gly Ser
165 170 175
Gln Gln Leu Gln Ile Pro Ala Gln Pro Ala Ser Ser Leu Gly Ala Asp
180 185 190
Thr Met Ser Ala Gly Gly Gly Gly Pro Leu Gly Asp Asn Asn Gln Gly
195 200 205
Ala Asp Gly Val Gly Asn Ala Ser Gly Asp Trp His Cys Asp Ser Thr
210 215 220
Trp Met Gly Asp Arg Val Val Thr Lys Ser Thr Arg Thr Trp Val Leu
225 230 235 240
Pro Ser Tyr Asn Asn His Gln Tyr Arg Glu Ile Lys Ser Gly Ser Val
245 250 255
Asp Gly Ser Asn Ala Asn Ala Tyr Phe Gly Tyr Ser Thr Pro Trp Gly
260 265 270
Tyr Phe Asp Phe Asn Arg Phe His Ser His Trp Ser Pro Arg Asp Trp
275 280 285
Gln Arg Leu Ile Asn Asn Tyr Trp Gly Phe Arg Pro Arg Ser Leu Arg
290 295 300
Val Lys Ile Phe Asn Ile Gln Val Lys Glu Val Thr Val Gln Asp Ser
305 310 315 320
Thr Thr Thr Ile Ala Asn Asn Leu Thr Ser Thr Val Gln Val Phe Thr
325 330 335
Asp Asp Asp Tyr Gln Leu Pro Tyr Val Val Gly Asn Gly Thr Glu Gly
340 345 350
Cys Leu Pro Ala Phe Pro Pro Gln Val Phe Thr Leu Pro Gln Tyr Gly
355 360 365
Tyr Ala Thr Leu Asn Arg Asp Asn Thr Glu Asn Pro Thr Glu Arg Ser
370 375 380
Ser Phe Phe Cys Leu Glu Tyr Phe Pro Ser Lys Met Leu Arg Thr Gly
385 390 395 400
Asn Asn Phe Glu Phe Thr Tyr Asn Phe Glu Glu Val Pro Phe His Ser
405 410 415
Ser Phe Ala Pro Ser Gln Asn Leu Phe Lys Leu Ala Asn Pro Leu Val
420 425 430
Asp Gln Tyr Leu Tyr Arg Phe Val Ser Thr Asn Asn Thr Gly Gly Val
435 440 445
Gln Phe Asn Lys Asn Leu Ala Gly Arg Tyr Ala Asn Thr Tyr Lys Asn
450 455 460
Trp Phe Pro Gly Pro Met Gly Arg Thr Gln Gly Trp Asn Leu Gly Ser
465 470 475 480
Gly Val Asn Arg Ala Ser Val Ser Ala Phe Ala Thr Thr Asn Arg Met
485 490 495
Glu Leu Glu Gly Ala Ser Tyr Gln Val Pro Pro Gln Pro Asn Gly Met
500 505 510
Thr Asn Asn Leu Gln Gly Ser Asn Thr Tyr Ala Leu Glu Asn Thr Met
515 520 525
Ile Phe Asn Ser Gln Pro Ala Asn Pro Gly Thr Thr Ala Thr Tyr Leu
530 535 540
Glu Gly Asn Met Leu Ile Thr Ser Glu Ser Glu Thr Gln Pro Val Asn
545 550 555 560
Arg Val Ala Tyr Asn Val Gly Gly Gln Met Ala Thr Asn Asn Gln Ser
565 570 575
Ser Thr Thr Ala Pro Ala Thr Gly Thr Tyr Asn Leu Gln Glu Ile Val
580 585 590
Pro Gly Ser Val Trp Met Glu Arg Asp Val Tyr Leu Gln Gly Pro Ile
595 600 605
Trp Ala Lys Ile Pro Glu Thr Gly Ala His Phe His Pro Ser Pro Ala
610 615 620
Met Gly Gly Phe Gly Leu Lys His Pro Pro Pro Met Met Leu Ile Lys
625 630 635 640
Asn Thr Pro Val Pro Gly Asn Ile Thr Ser Phe Ser Asp Val Pro Val
645 650 655
Ser Ser Phe Ile Thr Gln Tyr Ser Thr Gly Gln Val Thr Val Glu Met
660 665 670
Glu Trp Glu Leu Lys Lys Glu Asn Ser Lys Arg Trp Asn Pro Glu Ile
675 680 685
Gln Tyr Thr Asn Asn Tyr Asn Asp Pro Gln Phe Val Asp Phe Ala Pro
690 695 700
Asp Ser Thr Gly Glu Tyr Arg Thr Thr Arg Pro Ile Gly Thr Arg Tyr
705 710 715 720
Leu Thr Arg Pro Leu
725
<210> 3
<211> 736
<212> PRT
<213> 合成蛋白
<400> 3
Met Ala Ala Asp Gly Tyr Leu Pro Asp Trp Leu Glu Asp Asn Leu Ser
1 5 10 15
Glu Gly Ile Arg Glu Trp Trp Ala Leu Lys Pro Gly Ala Pro Lys Pro
20 25 30
Lys Ala Asn Gln Gln Lys Gln Asp Asp Gly Arg Gly Leu Val Leu Pro
35 40 45
Gly Tyr Lys Tyr Leu Gly Pro Phe Asn Gly Leu Asp Lys Gly Glu Pro
50 55 60
Val Asn Ala Ala Asp Ala Ala Ala Leu Glu His Asp Lys Ala Tyr Asp
65 70 75 80
Gln Gln Leu Gln Ala Gly Asp Asn Pro Tyr Leu Arg Tyr Asn His Ala
85 90 95
Asp Ala Glu Phe Gln Glu Arg Leu Gln Glu Asp Thr Ser Phe Gly Gly
100 105 110
Asn Leu Gly Arg Ala Val Phe Gln Ala Lys Lys Arg Val Leu Glu Pro
115 120 125
Leu Gly Leu Val Glu Glu Gly Ala Lys Thr Ala Pro Gly Lys Lys Arg
130 135 140
Pro Val Asp Gln Ser Pro Gln Glu Pro Asp Ser Ser Ser Gly Val Gly
145 150 155 160
Lys Ser Gly Lys Gln Pro Ala Arg Lys Arg Leu Asn Phe Gly Gln Thr
165 170 175
Gly Asp Ser Glu Ser Val Pro Asp Pro Gln Pro Leu Gly Glu Pro Pro
180 185 190
Ala Ala Pro Thr Ser Leu Gly Ser Asn Thr Met Ala Ser Gly Gly Gly
195 200 205
Ala Pro Met Ala Asp Asn Asn Glu Gly Ala Asp Gly Val Gly Asn Ser
210 215 220
Ser Gly Asn Trp His Cys Asp Ser Gln Trp Leu Gly Asp Arg Val Ile
225 230 235 240
Thr Thr Ser Thr Arg Thr Trp Ala Leu Pro Thr Tyr Asn Asn His Leu
245 250 255
Tyr Lys Gln Ile Ser Ser Gln Ser Gly Ala Ser Asn Asp Asn His Tyr
260 265 270
Phe Gly Tyr Ser Thr Pro Trp Gly Tyr Phe Asp Phe Asn Arg Phe His
275 280 285
Cys His Phe Ser Pro Arg Asp Trp Gln Arg Leu Ile Asn Asn Asn Trp
290 295 300
Gly Phe Arg Pro Lys Lys Leu Ser Phe Lys Leu Phe Asn Ile Gln Val
305 310 315 320
Lys Glu Val Thr Gln Asn Asp Gly Thr Thr Thr Ile Ala Asn Asn Leu
325 330 335
Thr Ser Thr Val Gln Val Phe Thr Asp Ser Glu Tyr Gln Leu Pro Tyr
340 345 350
Val Leu Gly Ser Ala His Gln Gly Cys Leu Pro Pro Phe Pro Ala Asp
355 360 365
Val Phe Met Val Pro Gln Tyr Gly Tyr Leu Thr Leu Asn Asn Gly Ser
370 375 380
Gln Ala Val Gly Arg Ser Ser Phe Tyr Cys Leu Glu Tyr Phe Pro Ser
385 390 395 400
Gln Met Leu Arg Thr Gly Asn Asn Phe Gln Phe Ser Tyr Thr Phe Glu
405 410 415
Asp Val Pro Phe His Ser Ser Tyr Ala His Ser Gln Ser Leu Asp Arg
420 425 430
Leu Met Asn Pro Leu Ile Asp Gln Tyr Leu Tyr Tyr Leu Asn Arg Thr
435 440 445
Gln Gly Thr Thr Ser Gly Thr Thr Asn Gln Ser Arg Leu Leu Phe Ser
450 455 460
Gln Ala Gly Pro Gln Ser Met Ser Leu Gln Ala Arg Asn Trp Leu Pro
465 470 475 480
Gly Pro Cys Tyr Arg Gln Gln Arg Leu Ser Lys Thr Ala Asn Asp Asn
485 490 495
Asn Asn Ser Asn Phe Pro Trp Thr Ala Ala Ser Lys Tyr His Leu Asn
500 505 510
Gly Arg Asp Ser Leu Val Asn Pro Gly Pro Ala Met Ala Ser His Lys
515 520 525
Asp Asp Glu Glu Lys Phe Phe Pro Met His Gly Asn Leu Ile Phe Gly
530 535 540
Lys Glu Gly Thr Thr Ala Ser Asn Ala Glu Leu Asp Asn Val Met Ile
545 550 555 560
Thr Asp Glu Glu Glu Ile Arg Thr Thr Asn Pro Val Ala Thr Glu Gln
565 570 575
Tyr Gly Thr Val Ala Asn Asn Leu Gln Ser Ser Asn Thr Ala Pro Thr
580 585 590
Thr Arg Thr Val Asn Asp Gln Gly Ala Leu Pro Gly Met Val Trp Gln
595 600 605
Asp Arg Asp Val Tyr Leu Gln Gly Pro Ile Trp Ala Lys Ile Pro His
610 615 620
Thr Asp Gly His Phe His Pro Ser Pro Leu Met Gly Gly Phe Gly Leu
625 630 635 640
Lys His Pro Pro Pro Gln Ile Met Ile Lys Asn Thr Pro Val Pro Ala
645 650 655
Asn Pro Pro Thr Thr Phe Ser Pro Ala Lys Phe Ala Ser Phe Ile Thr
660 665 670
Gln Tyr Ser Thr Gly Gln Val Ser Val Glu Ile Glu Trp Glu Leu Gln
675 680 685
Lys Glu Asn Ser Lys Arg Trp Asn Pro Glu Ile Gln Tyr Thr Ser Asn
690 695 700
Tyr Asn Lys Ser Val Asn Val Asp Phe Thr Val Asp Thr Asn Gly Val
705 710 715 720
Tyr Ser Glu Pro Arg Pro Ile Gly Thr Arg Tyr Leu Thr Arg Asn Leu
725 730 735
<210> 4
<211> 735
<212> PRT
<213> 合成蛋白
<400> 4
Met Ser Phe Val Asp His Pro Pro Asp Trp Leu Glu Glu Val Gly Glu
1 5 10 15
Gly Leu Arg Glu Phe Leu Gly Leu Glu Ala Gly Pro Pro Lys Pro Lys
20 25 30
Pro Asn Gln Gln His Gln Asp Gln Ala Arg Gly Leu Val Leu Pro Gly
35 40 45
Tyr Asn Tyr Leu Gly Pro Gly Asn Gly Leu Asp Arg Gly Glu Pro Val
50 55 60
Asn Arg Ala Asp Glu Val Ala Arg Glu His Asp Ile Ser Tyr Asn Glu
65 70 75 80
Gln Leu Glu Ala Gly Asp Asn Pro Tyr Leu Lys Tyr Asn His Ala Asp
85 90 95
Ala Glu Phe Gln Glu Lys Leu Ala Asp Asp Thr Ser Phe Gly Gly Asn
100 105 110
Leu Gly Lys Ala Val Phe Gln Ala Lys Lys Arg Val Leu Glu Pro Phe
115 120 125
Gly Leu Val Glu Glu Gly Ala Lys Thr Ala Pro Gly Lys Lys Arg Pro
130 135 140
Val Asp Gln Ser Pro Gln Glu Pro Asp Ser Ser Ser Gly Val Gly Lys
145 150 155 160
Ser Gly Lys Gln Pro Ala Arg Lys Arg Leu Asn Phe Gly Gln Thr Gly
165 170 175
Asp Ser Glu Ser Val Pro Asp Pro Gln Pro Leu Gly Glu Pro Pro Ala
180 185 190
Ala Pro Thr Ser Leu Gly Ser Asn Thr Met Ala Ser Gly Gly Gly Ala
195 200 205
Pro Met Ala Asp Asn Asn Glu Gly Ala Asp Gly Val Gly Asn Ser Ser
210 215 220
Gly Asn Trp His Cys Asp Ser Gln Trp Leu Gly Asp Arg Val Ile Thr
225 230 235 240
Thr Ser Thr Arg Thr Trp Ala Leu Pro Thr Tyr Asn Asn His Leu Tyr
245 250 255
Lys Gln Ile Ser Ser Gln Ser Gly Ala Ser Asn Asp Asn His Tyr Phe
260 265 270
Gly Tyr Ser Thr Pro Trp Gly Tyr Phe Asp Phe Asn Arg Phe His Cys
275 280 285
His Phe Ser Pro Arg Asp Trp Gln Arg Leu Ile Asn Asn Asn Trp Gly
290 295 300
Phe Arg Pro Lys Lys Leu Ser Phe Lys Leu Phe Asn Ile Gln Val Lys
305 310 315 320
Glu Val Thr Gln Asn Asp Gly Thr Thr Thr Ile Ala Asn Asn Leu Thr
325 330 335
Ser Thr Val Gln Val Phe Thr Asp Ser Glu Tyr Gln Leu Pro Tyr Val
340 345 350
Leu Gly Ser Ala His Gln Gly Cys Leu Pro Pro Phe Pro Ala Asp Val
355 360 365
Phe Met Val Pro Gln Tyr Gly Tyr Leu Thr Leu Asn Asn Gly Ser Gln
370 375 380
Ala Val Gly Arg Ser Ser Phe Tyr Cys Leu Glu Tyr Phe Pro Ser Gln
385 390 395 400
Met Leu Arg Thr Gly Asn Asn Phe Gln Phe Ser Tyr Thr Phe Glu Asp
405 410 415
Val Pro Phe His Ser Ser Tyr Ala His Ser Gln Ser Leu Asp Arg Leu
420 425 430
Met Asn Pro Leu Ile Asp Gln Tyr Leu Tyr Tyr Leu Asn Arg Thr Gln
435 440 445
Gly Thr Thr Ser Gly Thr Thr Asn Gln Ser Arg Leu Leu Phe Ser Gln
450 455 460
Ala Gly Pro Gln Ser Met Ser Leu Gln Ala Arg Asn Trp Leu Pro Gly
465 470 475 480
Pro Cys Tyr Arg Gln Gln Arg Leu Ser Lys Thr Ala Asn Asp Asn Asn
485 490 495
Asn Ser Asn Phe Pro Trp Thr Ala Ala Ser Lys Tyr His Leu Asn Gly
500 505 510
Arg Asp Ser Leu Val Asn Pro Gly Pro Ala Met Ala Ser His Lys Asp
515 520 525
Asp Glu Glu Lys Phe Phe Pro Met His Gly Asn Leu Ile Phe Gly Lys
530 535 540
Glu Gly Thr Thr Ala Ser Asn Ala Glu Leu Asp Asn Val Met Ile Thr
545 550 555 560
Asp Glu Glu Glu Ile Arg Thr Thr Asn Pro Val Ala Thr Glu Gln Tyr
565 570 575
Gly Thr Val Ala Asn Asn Leu Gln Ser Ser Asn Thr Ala Pro Thr Thr
580 585 590
Arg Thr Val Asn Asp Gln Gly Ala Leu Pro Gly Met Val Trp Gln Asp
595 600 605
Arg Asp Val Tyr Leu Gln Gly Pro Ile Trp Ala Lys Ile Pro His Thr
610 615 620
Asp Gly His Phe His Pro Ser Pro Leu Met Gly Gly Phe Gly Leu Lys
625 630 635 640
His Pro Pro Pro Gln Ile Met Ile Lys Asn Thr Pro Val Pro Ala Asn
645 650 655
Pro Pro Thr Thr Phe Ser Pro Ala Lys Phe Ala Ser Phe Ile Thr Gln
660 665 670
Tyr Ser Thr Gly Gln Val Ser Val Glu Ile Glu Trp Glu Leu Gln Lys
675 680 685
Glu Asn Ser Lys Arg Trp Asn Pro Glu Ile Gln Tyr Thr Ser Asn Tyr
690 695 700
Asn Lys Ser Val Asn Val Asp Phe Thr Val Asp Thr Asn Gly Val Tyr
705 710 715 720
Ser Glu Pro Arg Pro Ile Gly Thr Arg Tyr Leu Thr Arg Pro Leu
725 730 735
<210> 5
<211> 736
<212> PRT
<213> 合成蛋白
<400> 5
Met Ala Ala Asp Gly Tyr Leu Pro Asp Trp Leu Glu Asp Asn Leu Ser
1 5 10 15
Glu Gly Ile Arg Glu Trp Trp Ala Leu Lys Pro Gly Ala Pro Lys Pro
20 25 30
Lys Ala Asn Gln Gln Lys Gln Asp Asp Gly Arg Gly Leu Val Leu Pro
35 40 45
Gly Tyr Lys Tyr Leu Gly Pro Phe Asn Gly Leu Asp Lys Gly Glu Pro
50 55 60
Val Asn Ala Ala Asp Ala Ala Ala Leu Glu His Asp Lys Ala Tyr Asp
65 70 75 80
Gln Gln Leu Gln Ala Gly Asp Asn Pro Tyr Leu Arg Tyr Asn His Ala
85 90 95
Asp Ala Glu Phe Gln Glu Arg Leu Gln Glu Asp Thr Ser Phe Gly Gly
100 105 110
Asn Leu Gly Arg Ala Val Phe Gln Ala Lys Lys Arg Val Leu Glu Pro
115 120 125
Leu Gly Leu Val Glu Glu Gly Ala Lys Thr Ala Pro Gly Lys Lys Arg
130 135 140
Pro Val Glu Pro Ser Pro Gln Arg Ser Pro Asp Ser Ser Thr Gly Ile
145 150 155 160
Gly Lys Lys Gly Gln Gln Pro Ala Arg Lys Arg Leu Asn Phe Gly Gln
165 170 175
Thr Gly Asp Ser Glu Ser Val Pro Asp Pro Gln Pro Leu Gly Glu Pro
180 185 190
Pro Ala Ala Pro Ser Gly Val Gly Pro Asn Thr Met Ala Ala Gly Gly
195 200 205
Gly Ala Pro Met Ala Asp Asn Asn Glu Gly Ala Asp Gly Val Gly Ser
210 215 220
Ser Ser Gly Asn Trp His Cys Asp Ser Thr Trp Leu Gly Asp Arg Val
225 230 235 240
Ile Thr Thr Ser Thr Arg Thr Trp Ala Leu Pro Thr Tyr Asn Asn His
245 250 255
Leu Tyr Lys Gln Ile Ser Ser Gln Ser Gly Ala Ser Asn Asp Asn His
260 265 270
Tyr Phe Gly Tyr Ser Thr Pro Trp Gly Tyr Phe Asp Phe Asn Arg Phe
275 280 285
His Cys His Phe Ser Pro Arg Asp Trp Gln Arg Leu Ile Asn Asn Asn
290 295 300
Trp Gly Phe Arg Pro Lys Arg Leu Ser Phe Lys Leu Phe Asn Ile Gln
305 310 315 320
Val Lys Glu Val Thr Gln Asn Glu Gly Thr Lys Thr Ile Ala Asn Asn
325 330 335
Leu Thr Ser Thr Ile Gln Val Phe Thr Asp Ser Glu Tyr Gln Leu Pro
340 345 350
Tyr Val Leu Gly Ser Ala His Gln Gly Cys Leu Pro Pro Phe Pro Ala
355 360 365
Asp Val Phe Met Ile Pro Gln Tyr Gly Tyr Leu Thr Leu Asn Asn Gly
370 375 380
Ser Gln Ala Val Gly Arg Ser Ser Phe Tyr Cys Leu Glu Tyr Phe Pro
385 390 395 400
Ser Gln Met Leu Arg Thr Gly Asn Asn Phe Gln Phe Thr Tyr Thr Phe
405 410 415
Glu Asp Val Pro Phe His Ser Ser Tyr Ala His Ser Gln Ser Leu Asp
420 425 430
Arg Leu Met Asn Pro Leu Ile Asp Gln Tyr Leu Tyr Tyr Leu Ser Arg
435 440 445
Thr Gln Thr Thr Gly Gly Thr Ala Asn Thr Gln Thr Leu Gly Phe Ser
450 455 460
Gln Gly Gly Pro Asn Thr Met Ala Asn Gln Ala Lys Asn Trp Leu Pro
465 470 475 480
Gly Pro Cys Tyr Arg Gln Gln Arg Val Ser Thr Thr Thr Gly Gln Asn
485 490 495
Asn Asn Ser Asn Phe Ala Trp Thr Ala Gly Thr Lys Tyr His Leu Asn
500 505 510
Gly Arg Asn Ser Leu Ala Asn Pro Gly Ile Ala Met Ala Thr His Lys
515 520 525
Asp Asp Glu Glu Arg Phe Phe Pro Ser Asn Gly Ile Leu Ile Phe Gly
530 535 540
Lys Gln Gly Thr Thr Ala Ser Asn Ala Glu Leu Asp Asn Val Met Ile
545 550 555 560
Thr Asp Glu Glu Glu Ile Lys Thr Thr Asn Pro Val Ala Thr Glu Glu
565 570 575
Tyr Gly Ile Val Ala Asp Asn Leu Gln Gln Gln Asn Thr Ala Pro Gln
580 585 590
Ile Gly Thr Val Asn Ser Gln Gly Ala Leu Pro Gly Met Val Trp Gln
595 600 605
Asn Arg Asp Val Tyr Leu Gln Gly Pro Ile Trp Ala Lys Ile Pro His
610 615 620
Thr Asp Gly Asn Phe His Pro Ser Pro Leu Met Gly Gly Phe Gly Leu
625 630 635 640
Lys His Pro Pro Pro Gln Ile Leu Ile Lys Asn Thr Pro Val Pro Ala
645 650 655
Asp Pro Pro Thr Thr Phe Asn Gln Ser Lys Leu Asn Ser Phe Ile Thr
660 665 670
Gln Tyr Ser Thr Gly Gln Val Ser Val Glu Ile Glu Trp Glu Leu Gln
675 680 685
Lys Glu Asn Ser Lys Arg Trp Asn Pro Glu Ile Gln Tyr Thr Ser Asn
690 695 700
Tyr Asn Lys Ser Val Asn Val Asp Phe Thr Val Asp Thr Asn Gly Val
705 710 715 720
Tyr Ser Glu Pro Arg Pro Ile Gly Thr Arg Tyr Leu Thr Arg Asn Leu
725 730 735
<210> 6
<211> 736
<212> PRT
<213> 合成蛋白
<400> 6
Met Ala Ala Asp Gly Tyr Leu Pro Asp Trp Leu Glu Asp Asn Leu Ser
1 5 10 15
Glu Gly Ile Arg Glu Trp Trp Ala Leu Lys Pro Gly Ala Pro Lys Pro
20 25 30
Lys Ala Asn Gln Gln Lys Gln Asp Asp Gly Arg Gly Leu Val Leu Pro
35 40 45
Gly Tyr Lys Tyr Leu Gly Pro Phe Asn Gly Leu Asp Lys Gly Glu Pro
50 55 60
Val Asn Ala Ala Asp Ala Ala Ala Leu Glu His Asp Lys Ala Tyr Asp
65 70 75 80
Gln Gln Leu Gln Ala Gly Asp Asn Pro Tyr Leu Arg Tyr Asn His Ala
85 90 95
Asp Ala Glu Phe Gln Glu Arg Leu Gln Glu Asp Thr Ser Phe Gly Gly
100 105 110
Asn Leu Gly Arg Ala Val Phe Gln Ala Lys Lys Arg Val Leu Glu Pro
115 120 125
Leu Gly Leu Val Glu Glu Gly Ala Lys Thr Ala Pro Gly Lys Lys Arg
130 135 140
Pro Val Glu Pro Ser Pro Gln Arg Ser Pro Asp Ser Ser Thr Gly Ile
145 150 155 160
Gly Lys Lys Gly Gln Gln Pro Ala Arg Lys Arg Leu Asn Phe Gly Gln
165 170 175
Thr Gly Asp Ser Glu Ser Val Pro Asp Pro Gln Pro Leu Gly Glu Pro
180 185 190
Pro Ala Ala Pro Ser Gly Val Gly Pro Asn Thr Met Ala Ala Gly Gly
195 200 205
Gly Ala Pro Met Ala Asp Asn Asn Glu Gly Ala Asp Gly Val Gly Ser
210 215 220
Ser Ser Gly Asn Trp His Cys Asp Ser Thr Trp Leu Gly Asp Arg Val
225 230 235 240
Ile Thr Thr Ser Thr Arg Thr Trp Ala Leu Pro Thr Tyr Asn Asn His
245 250 255
Leu Tyr Lys Gln Ile Ser Ser Gln Ser Gly Ala Ser Asn Asp Asn His
260 265 270
Tyr Phe Gly Tyr Ser Thr Pro Trp Gly Tyr Phe Asp Phe Asn Arg Phe
275 280 285
His Cys His Phe Ser Pro Arg Asp Trp Gln Arg Leu Ile Asn Asn Asn
290 295 300
Trp Gly Phe Arg Pro Lys Arg Leu Ser Phe Lys Leu Phe Asn Ile Gln
305 310 315 320
Val Lys Glu Val Thr Gln Asn Glu Gly Thr Lys Thr Ile Ala Asn Asn
325 330 335
Leu Thr Ser Thr Ile Gln Val Phe Thr Asp Ser Glu Tyr Gln Leu Pro
340 345 350
Tyr Val Leu Gly Ser Ala His Gln Gly Cys Leu Pro Pro Phe Pro Ala
355 360 365
Asp Val Phe Met Ile Pro Gln Tyr Gly Tyr Leu Thr Leu Asn Asn Gly
370 375 380
Ser Gln Ala Val Gly Arg Ser Ser Phe Tyr Cys Leu Glu Tyr Phe Pro
385 390 395 400
Ser Gln Met Leu Arg Thr Gly Asn Asn Phe Gln Phe Thr Tyr Thr Phe
405 410 415
Glu Asp Val Pro Phe His Ser Ser Tyr Ala His Ser Gln Ser Leu Asp
420 425 430
Arg Leu Met Asn Pro Leu Ile Asp Gln Tyr Leu Tyr Tyr Leu Ser Arg
435 440 445
Thr Gln Thr Thr Gly Gly Thr Ala Asn Thr Gln Thr Leu Gly Phe Ser
450 455 460
Gln Gly Gly Pro Asn Thr Met Ala Asn Gln Ala Lys Asn Trp Leu Pro
465 470 475 480
Gly Pro Cys Tyr Arg Gln Gln Arg Val Ser Thr Thr Thr Gly Gln Asn
485 490 495
Asn Asn Ser Asn Phe Ala Trp Thr Ala Gly Thr Lys Tyr His Leu Asn
500 505 510
Gly Arg Asn Ser Leu Ala Asn Pro Gly Ile Ala Met Ala Thr His Lys
515 520 525
Asp Asp Glu Glu Arg Phe Phe Pro Ser Asn Gly Ile Leu Ile Phe Gly
530 535 540
Lys Gln Asn Ala Ala Arg Asp Asn Ala Asp Tyr Ser Asp Val Met Leu
545 550 555 560
Thr Ser Glu Glu Glu Ile Lys Thr Thr Asn Pro Val Ala Thr Glu Glu
565 570 575
Tyr Gly Ile Val Ala Asp Asn Leu Gln Gln Gln Asn Thr Ala Pro Gln
580 585 590
Ile Gly Thr Val Asn Ser Gln Gly Ala Leu Pro Gly Met Val Trp Gln
595 600 605
Asn Arg Asp Val Tyr Leu Gln Gly Pro Ile Trp Ala Lys Ile Pro His
610 615 620
Thr Asp Gly Asn Phe His Pro Ser Pro Leu Met Gly Gly Phe Gly Leu
625 630 635 640
Lys His Pro Pro Pro Gln Ile Leu Ile Lys Asn Thr Pro Val Pro Ala
645 650 655
Asp Pro Pro Thr Thr Phe Asn Gln Ser Lys Leu Asn Ser Phe Ile Thr
660 665 670
Gln Tyr Ser Thr Gly Gln Val Ser Val Glu Ile Glu Trp Glu Leu Gln
675 680 685
Lys Glu Asn Ser Lys Arg Trp Asn Pro Glu Ile Gln Tyr Thr Ser Asn
690 695 700
Tyr Tyr Lys Ser Thr Ser Val Asp Phe Ala Val Asn Thr Glu Gly Val
705 710 715 720
Tyr Ser Glu Pro Arg Pro Ile Gly Thr Arg Tyr Leu Thr Arg Asn Leu
725 730 735

Claims (7)

1.AAV衣壳蛋白,其由以下氨基酸序列组成,所述氨基酸序列由SEQ ID NO:3的序列组成。
2.AAV衣壳,其包含权利要求1的衣壳蛋白。
3.包含权利要求1的衣壳蛋白的病毒颗粒。
4.编码权利要求1的衣壳蛋白的核苷酸序列。
5.宿主细胞,其包含权利要求1的衣壳蛋白或权利要求4的核苷酸序列。
6.药物组合物,其包含权利要求1的衣壳蛋白或权利要求3的病毒颗粒,以及一种或多种药学上可接受的赋形剂。
7.权利要求1的衣壳蛋白或权利要求3的病毒颗粒在制备基因转移载体药物中的用途。
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