CN107384921A - miR216a用于抑制骨肉瘤细胞的增殖、侵袭和迁移 - Google Patents

miR216a用于抑制骨肉瘤细胞的增殖、侵袭和迁移 Download PDF

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CN107384921A
CN107384921A CN201710624707.3A CN201710624707A CN107384921A CN 107384921 A CN107384921 A CN 107384921A CN 201710624707 A CN201710624707 A CN 201710624707A CN 107384921 A CN107384921 A CN 107384921A
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冀全博
王岩
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Abstract

本发明公开了miR216a用于抑制骨肉瘤细胞的增殖、侵袭和迁移。本发明提供了miR216a及用于表达miR216a的物质在制备用于抑制骨肉瘤细胞增殖、侵袭和迁移的产品中的应用。本发明证实了miR216a可以通过靶向调控CDK14的表达从而抑制骨肉瘤细胞的增殖、侵袭和迁移。此外,骨肉瘤患者中miR216a表达下调和CDK14表达呈负相关。因此,miR216a和CDK14有可能成为治疗骨肉瘤预后的新的生物标志物和共同的治疗靶标。本发明对于治疗骨肉瘤具有重要意义。

Description

miR216a用于抑制骨肉瘤细胞的增殖、侵袭和迁移
技术领域
本发明属于生物技术领域,涉及miR216a用于抑制骨肉瘤细胞的增殖、侵袭和迁移,特别涉及miR216a在制备通过靶向调控CDK14从而抑制骨肉瘤细胞增殖,侵袭和迁移的产品中的应用。
背景技术
骨肉瘤作为目前最常见的骨恶性病变,发病机制复杂,且容易发生远处转移,最终导致世界范围内的青少年和成人死亡。目前,骨肉瘤尚未发生远处转移的患者5年生存率为60%-80%,而发生远处转以后,则降至15%-30%。当前,化疗联合手术治疗已广泛应用于治疗骨肉瘤患者。然而,虽然骨肉瘤生物学和遗传学研究已取得一定进展,但骨肉瘤患者的临床治疗效果却并未发生明显改善。因此,需找更好的骨肉瘤临床治疗方案并理解其中的作用机制至关重要。
微小RNA(microRNA,miRNA)是一类大小约19-25个核苷酸(nt)的内源性非蛋白编码调控单链小分子RNA,具有高度保守性,一般来源于染色体的非编码区域。miRNA由RNA聚合酶在基因组的不同区域转录形成较长的pri-miRNA。经过核酸内切酶Ⅲ-Drosha及其辅助因子DGCR8的识别和作用,形成60-75nt的miRNA前体(pre-miRNA)。pre-miRNA在RNA-GTP依赖的核质/细胞质转运蛋白Exportin 5作用下,从细胞核进入细胞质。pre-miRNA在第二个核酸内切酶Ⅲ-Dicer的作用下被切割,形成21-25nt的双链miRNA。然后,双链体降解成为单链的成熟miRNA,继而通过基因沉默复合物(RNA-induced silencing complex,RISC),形成非对称RISC复合物,从而识别靶基因mRNA,阻断翻译过程。miRNA主要通过转录后基因表达调控发挥生物学效应,具有阶段性和组织特异性。miRNA与目标基因mRNA分子的3’端非编码区域(3’-untranslated region,3’UTR)互补匹配结合,导致靶基因mRNA分子翻译表达得到抑制或裂解,进而调节细胞早期发育,参与细胞分化,调控生物体内的基因表达。在各个生物物种之间,miRNA具有高度的进化保守性,在环部可以容许更多的突变位点存在,而在茎部的保守性较强。miRNA绝大部分定位于基因间隔区,并在基因组内以基因簇或单拷贝、多拷贝等多种形式存在。miRNA的转录与其他基因相互独立,可参与调控生物体内多种代谢过程,而其本身并不翻译蛋白质。DNA甲基化修饰、乙酰化修饰、DNA拷贝改变、特定翻译调节和基因位点突变等均可参与miRNA合成过程中蛋白功能,从而调控miRNA在体内的表达。系列改变导致miRNA功能发生变化,并可通过调控细胞信号通路、细胞因子和相关靶基因的表达,参与细胞增殖、凋亡、分化、代谢与发育等,导致自身免疫性疾病、炎症、肿瘤等的发生发展。
细胞周期蛋白依赖激酶(CDK)作为一种丝氨酸/苏氨酸蛋白激酶,是驱动细胞周期的过渡的关键调节酶,在细胞周期转换控制发挥关键作用。因此,CDK也长期被认为是有前途的癌症治疗靶标。人类基因组编码26个丝氨酸/苏氨酸蛋白激酶从而形成CDK和类CDK的激酶组分;其中的21种被划分为CDK。不同的激酶亚型在癌细胞增殖有关键作用。最近报告显示,CDK能够支持炎症介质的表达。CDK在各种人类癌症都高表达,如胃癌、卵巢癌、乳腺癌、肺癌和结直肠癌,并且与癌症预后密切相关。由此可见,对CDKs的生物学了解是评估与CDK抑制剂临床效果的关键,特别是确定其潜在的治疗和组合策略。CDK14又称作PFTK1(PFTAIRE蛋白激酶1),虽然在乳腺癌、食管癌、肺癌、肝癌、胃癌、胰腺癌和卵巢癌中高表达;但是,其在骨肉瘤发生发展的重要作用仍然未知。
发明内容
本发明的目的是提供一种miR216a及其相关生物材料的新用途。
第一,本发明提供了如下(1)-(4)所示物质中的任一种在如下(a)-(e)至少一种中的应用:
(1)人源成熟miR216a;(2)人源前体miR216a;(3)编码(1)中所述人源成熟miR216a或(2)中所述人源前体miR216a的DNA分子;(4)含有(3)中所述DNA分子的表达盒、重组载体或转基因细胞。
(a)制备用于抑制骨肉瘤细胞增殖的产品;(b)制备用于抑制骨肉瘤细胞侵袭的产品;(c)制备用于抑制骨肉瘤细胞迁移的产品;(d)制备用于抑制骨肉瘤生长的产品;(e)制备用于抑制骨肉瘤转移的产品。
第二,本发明提供了如下(1)-(4)所示物质中的任一种在如下(f)-(g)至少一种中的应用:
(1)人源成熟miR216a;(2)人源前体miR216a;(3)编码(1)中所述人源成熟miR216a或(2)中所述人源前体miR216a的DNA分子;(4)含有(3)中所述DNA分子的表达盒、重组载体或转基因细胞。
(f)制备用于抑制骨肉瘤细胞内CDK14蛋白表达的产品;(g)制备用于抑制骨肉瘤细胞从G1期向S期过渡的产品。
第三,本发明提供了如下(1)-(4)所示物质中的任一种在如下(h)-(n)至少一种中的应用:
(1)人源成熟miR216a;(2)人源前体miR216a;(3)编码(1)中所述人源成熟miR216a或(2)中所述人源前体miR216a的DNA分子;(4)含有(3)中所述DNA分子的表达盒、重组载体或转基因细胞。
(h)制备用于抑制骨肉瘤细胞内LRP6蛋白磷酸化的产品;(i)制备用于抑制骨肉瘤细胞内CCND1蛋白表达的产品;(j)制备用于抑制骨肉瘤细胞内c-Myc蛋白表达的产品;(k)制备用于抑制骨肉瘤细胞内PI3K蛋白磷酸化的产品;(l)制备用于抑制骨肉瘤细胞内Akt蛋白磷酸化的产品;(m)制备用于抑制N-cadherin蛋白的表达的产品;(n)制备用于促进E-cadherin蛋白的表达的产品。
第四,本发明提供了能够抑制如下(1)或(2)表达的物质在如下(a’)-(d’)至少一种中的应用:
(1)人源成熟miR216a;(2)人源前体miR216a。
(a’)制备用于促进骨肉瘤细胞增殖的产品;(b’)制备用于促进骨肉瘤细胞侵袭的产品;(c’)制备用于促进骨肉瘤细胞迁移的产品;(d’)制备用于促进骨肉瘤生长的产品;(e’)制备用于促进骨肉瘤转移的产品。
第五,本发明提供了能够抑制如下(1)或(2)表达的物质在如下(f’)-(g’)至少一种中的应用:
(1)人源成熟miR216a;(2)人源前体miR216a。
(f’)制备用于促进骨肉瘤细胞内CDK14蛋白表达的产品;(g’)制备用于促进骨肉瘤细胞从G1期向S期过渡的产品。
第六,本发明提供了能够抑制如下(1)或(2)表达的物质在如下(h’)-(n’)至少一种中的应用:
(1)人源成熟miR216a;(2)人源前体miR216a。
(h’)制备用于促进骨肉瘤细胞内LRP6蛋白磷酸化的产品;(i’)制备用于促进骨肉瘤细胞内CCND1蛋白表达的产品;(j’)制备用于促进骨肉瘤细胞内c-Myc蛋白表达的产品;(k’)制备用于促进骨肉瘤细胞内PI3K蛋白磷酸化的产品;(l’)制备用于促进骨肉瘤细胞内Akt蛋白磷酸化的产品;(m’)制备用于促进N-cadherin蛋白的表达的产品;(n’)制备用于抑制E-cadherin蛋白的表达的产品。
其中,所述“能够抑制如下(1)或(2)表达的物质”为miR216a抑制剂。所述miR216a抑制剂具体为QIAGEN公司生产的货号为219300的Anti-hsa-miR-216a-5p。
在上述各应用中,所述人源成熟miR216a具体为序列表中序列1所示RNA分子。所述人源前体miR216a具体为序列表中序列2所示RNA分子。编码所述人源成熟miR216a或所述人源前体miR216a的DNA分子具体为序列表中序列3的第5447-5555位所示DNA分子。
在上述各应用中,所述CDK14蛋白的氨基酸序列具体如序列表中序列4所示;所述LRP6蛋白的氨基酸序列具体如序列表中序列5所示;所述CCND1蛋白的氨基酸序列具体如序列表中序列6所示;所述c-Myc蛋白的氨基酸序列具体如序列表中序列7所示;所述PI3K蛋白的氨基酸序列具体如序列表中序列8所示;所述Akt蛋白的氨基酸序列具体如序列表中序列9所示;所述N-cadherin蛋白的氨基酸序列如序列表中序列10所示;所述E-cadherin蛋白的氨基酸序列如序列表中序列11所示。
在上述各应用中,所述骨肉瘤细胞既可为来自于骨肉瘤患者病灶处的细胞,也可为商业化的人骨肉瘤细胞系,如143B细胞或者U2OS细胞。
本发明证实了miR216a可以通过靶向调控CDK14的表达从而抑制骨肉瘤细胞的增殖、侵袭和迁移。此外,骨肉瘤患者中miR216a表达下调和CDK14表达呈负相关。因此,miR216a和CDK14有可能成为治疗骨肉瘤预后的新的生物标志物和共同的治疗靶标。本发明对于治疗骨肉瘤具有重要意义。
附图说明
图1为骨肉瘤患者中CDK14表达情况及其与临床指征的相关性。其中,a为组织病理学检测患者骨肉瘤组织及癌旁组织中的CDK14表达情况;b为骨肉瘤组织与癌旁组织相比,CDK14表达显著上调;c为Kaplan Meier生存分析高水平表达的CDK14患者相对于低表达CDK14的患者具有较差的整体存活率;d为Kaplan Meier生存分析高水平表达的CDK14患者相对于低表达CDK14的患者具有较差的无病生存期。
图2为miR216a通过靶向CDK14的3’-UTR区抑制CDK14的表达。其中,a为miR216a显著抑制骨肉瘤细胞系中的表达(转入143B和U2OS细胞中的是序列3所示的含有miR216编码基因的载体);b为抑制miR216a基因表达则能够促进骨肉瘤细胞CDK14的表达(所用的miR216a抑制剂具体为QIAGEN公司生产的货号为219300的Anti-hsa-miR-216a-5p);c为miR216a过表达能够显著抑制CDK14的3’-UTR活性,但对突变的miR216a的结合位点的荧光素酶活性没有影响。
图3为miR216a通过抑制CDK14的表达抑制骨肉瘤增殖、迁移和侵袭。其中,a和c为miR216能够抑制骨肉瘤细胞增殖能力和集落形成,CDK14能逆转miR216a对细胞增殖的影响,a为细胞生长实验结果,c为克隆形成实验结果;b和d为添加miR216a抑制剂能够促进骨肉瘤细胞增殖和集落形成,b为细胞生长实验结果,d为克隆形成实验结果;e为miR216能够抑制骨肉瘤细胞迁移;f为miR216能够抑制骨肉瘤细胞侵袭;g为添加miR216a抑制剂能够促进骨肉瘤细胞的迁移;h为添加miR216a抑制剂能够促进骨肉瘤细胞的侵袭。
图4为miR-216a抑制骨肉瘤细胞的细胞周期。其中,a为在骨肉瘤143B细胞中转染含有miR216编码基因的载体会增加G0/G1期细胞比例(从52.09%到64.16%),减少S期细胞比例(从32.14%到20.30%);b为添加miR216a抑制剂后,G0/G1期细胞比例明显减少(从52.13%至40.41%)的阶段,而S期细胞比例却增加(31.89%到43.60%);c为转染含有miR216编码基因的载体能够抑制LRP6磷酸化水平,以及Wnt信号通路的两个关键的下游靶基因CCND1和c-Myc;d为转染含有miR216编码基因的载体能够抑制骨肉瘤细胞PI3K和Akt的磷酸化,抑制N-cadherin的表达并促进E-cadherin的表达,而转染含有CDK14编码基因的载体(pcDNA3-FLAG-CDK14)则可增加PI3K和Akt的磷酸化水平,促进N-cadherin的表达并抑制E-cadherin的表达。
图5为miR-216a在动物体内抑制骨肉瘤的增殖和转移。其中,a和b为miR216a过表达能够明显抑制肿瘤的生长,而在小鼠体内联合表达miR216a和CDK14骨肉瘤143B细胞系则对肿瘤生长有逆转影响,a为肿瘤图片,b为体积统计结果;c为在小鼠接种mir216a过表达的骨肉瘤143B细胞系后,小鼠的CDK14和EMT标记物基因表达减少;d为miR216a组小鼠肺的活体成像实验显示相对于对照组,mir216a组小鼠的肺部转移灶更少,而miR216a和CDK14共表达组小鼠则显示较多转移灶;e为肺的解剖学和组织学分析显示相对于对照组,mir216a组小鼠的肺部转移灶更少,而miR216a和CDK14共表达组小鼠则显示较多转移灶。
图6为骨肉瘤患者中miR216a表达情况及其与临床指征的相关性。其中,a为实时荧光定量PCR结果显示骨肉瘤患者miR216a的表达明显降低;b为Kaplan Meier生存分析表明,体内miR216a高表达的患者具有更好的整体存活率(P=0.020);c为Kaplan Meier生存分析表明,体内miR216a高表达的患者具有更好的无病生存期(P=0.017);d为骨肉瘤样本中miR216a表达与CDK14蛋白表达呈负相关(P=2.5×10-8,r=-0.745)。
具体实施方式
下述实施例中所使用的实验方法如无特殊说明,均为常规方法。
下述实施例中所用的材料、试剂等,如无特殊说明,均可从商业途径得到。
1、病人及标本
本发明研究是由中国人民解放军总医院的机构审查委员会批准(北京,中国)和并在患者知情同意下进行。共有91例骨肉瘤和癌旁组织,并在病理和影像学标准进行研究的基础上进行了评价。临床信息来自患者就诊记录。总的生存时间被定义为从手术到死亡的时间。患者的随访资料每月更新。标本分为两部分:一部分在液氮中立即冻结,保存在-80℃直到进行RNA提取,另一部分则用于组织病理学评估。
2、质粒构建
2.1含有CDK14编码基因的重组载体的构建
按常规PCR方法,以序列12所示的目的基因CDK14为模板,采用引物上游5’-GGATCCATGTGTGACCTCATTGAGCCGC-3’,下游5’-CTCGAGTCAGTGCTTGCTGTTTGATAGAC-3’进行PCR扩增,BamHI和XhoI双酶切PCR产物和相应载体(pcDNA3-FLAG,Invitrogen公司产品,货号为20011),按正确相位将目的片断插入载体。经转化、筛选,得到阳性克隆酶切鉴定,分析各种重组蛋白的表达,所有重组质粒送北京博迈德生物技术有限公司测序。将测序后表明将pcDNA3-FLAG载体的酶切位点BamHI和XhoI之间的小片段替换为序列表中序列12所示DNA片段后的重组质粒命名为pcDNA3-FLAG-CDK14。
2.2含有野生型或突变的CDK14的3’UTR序列的报告基因载体的构建
按常规PCR方法,分别以序列13所示的含有目的基因CDK14的野生型3’UTR的序列和序列14所示的含有目的基因CDK14的突变型3’UTR的序列为模板,采用野生型引物(上游5’-CATGCCATGGCATATTCTCCCTCTGCTTCTTT-3’;下游5’-CCGCTCGAGGTGTCAAATCTCCTTTCAGAAT-3’)和突变型引物(上游5’-CATGCCATGGCACTGGAATGTTTTGGTCTCGGC-3’;下游5’-CCGCTCGAGGCCGAGACCAAAACATTCCAGTG-3’)分别进行PCR扩增,NcoI和XhoI双酶切PCR产物和相应载体(pmirGLO Dual-LuciferasemiRNA Target Expression Vector,Promega公司产品,货号为E1330,按正确相位将目的片断插入载体。经转化、筛选,得到阳性克隆酶切鉴定,分析各种重组蛋白的表达,所有重组质粒送北京博迈德生物技术有限公司测序。将测序后表明将载体的酶切位点NcoI和XhoI之间的小片段替换为序列表中序列13的第2345-2574位所示DNA片段后的重组质粒命名为CDK143’UTR野生型。将测序后表明将载体的酶切位点NcoI和XhoI之间的小片段替换为序列表中序列14的第2449-2471位所示DNA片段后的重组质粒命名为CDK14 3’UTR突变体。
2.3用于动物实验的PCDH-miR216a载体的构建
按常规PCR方法,以序列3的第5447-5555位所示的miR216a的编码基因为模板,采用上游引物和下游引物进行PCR扩增,其中PCR引物中上游引物:5’-GGATCCGATGGCTGTGAGTTGGCTTATCT-3’;下游引物:5’-CTCGAGTCGTGAGGGCTAGGAAATTGCTC-3’。BamHI和XhoI双酶切PCR产物和相应载体(PCDH,System Biosciences公司产品,货号为CD500B1),按正确相位将目的片断插入载体。经转化、筛选,得到阳性克隆酶切鉴定,分析各种重组蛋白的表达,所有重组质粒送北京博迈德生物技术有限公司测序。将测序后表明将载体的酶切位点BamHI和XhoI之间的小片段替换为序列表中序列3的第5447-5555位所示DNA片段后的重组质粒命名为PCDH-miR216a。
3、RNA的提取和定量逆转录PCR(qRT-PCR)
采用RNeasy Mini Kit(Qiagen公司)试剂盒,提取总RNA,反转录成cDNA,RNA质量检查使用安捷伦2100生物分析仪根据RNA完整性评价(RIN)。RIN值的范围从1到10定义为RNA完全降解到结构完整,数值大于7被认为是可接受的完整性定量PCR基因表达检测。TaqMan miRNA qRT-PCR系统被用于检测和定量miRNA表达。用比较Ct法计算miRNA相对表达水平。通用核小RNA U6为内参。用于实时荧光定量PCR分析的引物序列列于表1。
表1引物序列
qRT-PCR具体步骤:
(1)真核细胞总RNA提取:取6cm2培养皿培养细胞,去除上清,并用1×PBS清洗一次。再添加1ml Trizol至细胞中,混合均匀,在室温下裂解5min。按照每ml Trizol液添加0.2ml三氯甲烷,然后剧烈振荡50次,静置2-3min,12000rpm离心15min。取上层清澈透明液体至新的EP管中,并添加等体积异丙醇,放置-80℃中15min,置于4℃离心机中高速离心15min;用75%乙醇洗涤RNA白色沉淀物,4℃高速离心5min;并添加无水乙醇1ml,4℃高速离心2min;至RNA自然干燥;最后,溶解RNA沉淀,采用100μl DEPC水溶解。
(2)反转录:总RNA 2μg,加入1μl 50μM的随机引物,72℃进行解链,5min后自然冷却到室温。然后加入dNTP、逆转录酶M-MLV、RNA酶抑制剂逆转录缓冲液,加水至最终体系体积,置于42℃恒温中,反应1h,95℃恒温环境,5min灭活处理,最终得到反转录完成的cDNA。
(3)RT-qPCR:PCR反应液(20μl体系)按下列组分配制:10μl SYBR Green Mix(2×)、2μl cDNA、0.4μl上下游引物(10μM),余下用去离子水相应补齐;将样品加入到Real-time PCR专用PCR管中后,设置ABI Prism SDS 7000的PCR反应条件为:95℃5min;95℃30s,60℃30s,40cycles。完成Real-time PCR后对其熔解曲线进行分析并结合琼脂糖分析PCR产物是否特异。按2-ΔΔCt公式基因表达值进行数据计算分析。
4、荧光素酶检测
60%的细胞种在24孔培养板上。将含有野生型或突变的CDK14的3’UTR序列的报告基因载体(见上述步骤2.2)与含有miR216编码基因的载体(全序列如序列3所示)分别共转染至细胞,采用的转染试剂是Lipofectamine 2000。48小时后,收集细胞,然后加入100μl裂解液,置于室温中,摇床上轻摇20min,刮下培养皿中细胞,收集至EP管中。震荡10min,低温高速离心5min,收集上层清澈液体。取10μl上清液加入到荧光素酶反应底物中,用荧光计测定荧光素酶活性。取含有β-巯基乙醇(2.7ml/L)的Z缓冲液90μl,然后向其中加入上述上清50μl,然后加入0.4%的ONPG溶液,20μl,置于37℃保温。等待溶液变为浅黄色,然后加入浓度为1mol/L Na2CO3溶液,50μl,然后终止颜色反应。并测定样品OD值。
5、Western blot
细胞转染后24h,去除DMEM,用PBS清洗1次,并用胰酶消化后吸除,加入1ml PBS,将细胞收集于EP管中,低速离心,4℃,10min,将上清液去除。取与细胞沉淀等体积的SDS,并使之混合均匀,置于沸水环境中,保持10-15min后,高速离心,并进行SDS-PAGE。电泳结束后,进行转膜;操作过程中要注意保持完整性,并驱除气泡,5%脱脂奶粉配成封闭液,室温封闭1h。室温孵育抗体1h,然后TBST洗膜5min,共3次。最后,采用DAB显色,按比例混合后,反应5min,进行X片压片显影。
6、细胞侵袭实验
取对数生长期的肿瘤细胞,以0.1%牛血清蛋白(BSA)DMEM培养液调整细胞数为1×106cells/ml。取100μl细胞接种于transwell上室内,对照组加入等体积无血清DMEM培养液,每组设3个复室。下室加入含15%小牛血清的DMEM培养液500μl,37℃、5%CO2培养24h后,将滤膜上层的细胞用棉签抹去,滤膜以甲醇固定5min。用Giemsa染料染色15min。100倍光镜下选择上下左右中5个不同视野的穿过膜的细胞数,求平均值,按下式计算药物对肿瘤细胞的迁移能力。迁移抑制率=(1-实验组平均迁移细胞数/对照组平均迁移细胞数)×100%。
7、划痕实验
先用marker笔在6孔板背后,用直尺比着,均匀得划横线,大约每隔0.5-1cm一道,横穿过孔。每孔至少穿过5条线。其次在空中加入约5×105个细胞,具体数量因细胞不同而不同,掌握为过夜能铺满。第二天用枪头比着直尺,尽量垂至于背后的横线划痕,枪头要垂直,不能倾斜。然后用PBS洗细胞3次,去处划下的细胞,加入无血清培养基。放入37度5%CO2培养箱,培养。按0,6,12,24小时取样,拍照。
8、细胞生长实验
将过表达miR216a的稳定克隆骨肉瘤143B细胞系(即向143B细胞中转入序列3所示含有miR216编码基因的载体后经压系所得的稳定转染细胞系)分别以2×104个/mL密度分别接种于96孔板中,每个孔加入100μL细胞悬液各设3个复孔,常规培养。分别于24h、48h、72h、96h取一块96孔板,在接种孔中加入10μL CCK-8试剂,37℃、50mL/L CO2常规培养2h,测定OD490nm值;以测量时间点为横坐标,OD值为纵坐标绘制生长曲线。
9、细胞周期实验
将细胞接种于六孔板,总细胞数为1×106个,24h后收集细胞,1500转/分离心10分钟,弃上清,用PBS洗一次(含3%小牛血清),然后用1ml含70%的乙醇,3%的小牛血清的PBS在-20℃固定过夜。然后3000转/分离心1min,弃上清,再用PBS(含3%小牛血清)以同样速度洗细胞两次,弃上清,加入0.2ml RNase A,37℃水浴30min,再加入0.3ml的PI置暗处染色。细胞周期采用流式细胞仪FACScan Becton-Dickinson BD系统检查。
10、动物实验
动物研究是按照中国人民解放军总医院机构动物护理和使用委员会批准的规程进行。将大约1×107个143B细胞注射到6周龄BALB/c裸鼠。针对肿瘤生长模型,将过表达PCDH空载体、PCDH-miR216a或PCDH-miR216a和pcDNA3-FLAG-CDK14的稳定克隆骨肉瘤143B细胞系进行小鼠皮下注射。用卡尺测量肿瘤生长情况。根据下列公式计算肿瘤体积:体积=(长径×短直径)/2。切除的肿瘤进行称重,并部分液氮冷冻或固定于4%多聚甲醛的进一步研究。在体内肺转移的研究中,1×106 143B细胞标记的荧光素酶载体与上述基因共同注入BALB/c雌性小鼠的尾静脉。动物的影像在28天使用IVIS200成像系统。小鼠的肺进行测量并用4%多聚甲醛固定以进一步研究。
11、统计分析
生存分析采用Kaplan Meier法,生存曲线的差异用对数秩检验进行评估。采用Cox回归模型进行单因素和多因素分析。定量资料采用单因素方差分析和并进行检验评估。采用GraphPad Prism 6软件通过Pearsonχ2进行相关性分析。统计计算采用SPSS 17.0软件进行。所有体外实验均均重复三次以上。数据以均值±标准差(SD)表示。P<0.05被认为具有统计学意义。
实施例1、miR216a通过靶向调控CDK14抑制骨肉瘤细胞生长,侵袭和迁移
本发明中出现的CDK14蛋白的氨基酸序列如序列表中序列4所示;LRP6蛋白的氨基酸序列如序列表中序列5所示;CCND1蛋白的氨基酸序列如序列表中序列6所示;c-Myc蛋白的氨基酸序列如序列表中序列7所示;所述PI3K蛋白的氨基酸序列如序列表中序列8所示;Akt蛋白的氨基酸序列如序列表中序列9所示;N-cadherin蛋白的氨基酸序列如序列表中序列10所示;E-cadherin蛋白的氨基酸序列如序列表中序列11所示。
一、骨肉瘤患者中的CDK14表达以及与患者临床参数的相关性研究
为探究CDK14在骨肉瘤中的作用,本发明采用组织病理学检测评估了91例患者骨肉瘤组织及癌旁组织中的CDK14表达情况(图1中a)。骨肉瘤组织与癌旁组织相比,CDK14表达显著上调(P=7.4×10-4)(图1中b)。为进一步探讨CDK14的临床意义,本发明研究CDK14的水平与临床病理特征之间的关系。结果表明:CDK14表达水平与肿瘤大小、组织学分级密切相关(表2)。此外,Kaplan Meier生存分析表明,高水平表达的CDK14患者相对于低表达CDK14的患者具有较差的整体存活率(P=0.021)和无病生存期(P=0.014)(图1中c和d)。这些结果表明CDK14在骨肉瘤的预后和转移发挥重要作用。
表2 CDK14表达与骨肉瘤患者临床信息
注:P-values采用Pearson卡方检验。*P<0.05,**P<0.01。
二、miR216a通过直接靶向CDK14的3’-UTR从而抑制CDK14的表达
为识别潜在的靶向CDK14miRNA的候选靶标,我们采用生物信息学,运用两个目标预测程序,miRanda和TargetScan,进行功能结合位点预测。对潜在的靶向CDK14miRNA的miRNA,包括miR216a、miR138、miR205、miR455进行筛选。接下来,我们在http://rna.tbi.univie.ac.at/cgi-bin/rnawebsuite/rnacofold.cgi采用软件对miRNA及CDK14的3'UTR的结合自由能进行分析,并进行Western blot检测确认miRNA的表达上述CDK14有影响。结果表明miR455在骨肉瘤细胞系能够抑制CDK14表达。重要的是,miR216a具有最佳的自由能和最明显的抑制CDK14表达的作用。因此,我们推测miR216a能够在骨肉瘤中发挥重要作用。事实上,通过Western blot分析,miR216a显著抑制骨肉瘤细胞系中的表达(图2中a)。相反,抑制miR216a基因表达则能够促进骨肉瘤细胞CDK14的表达(图2中b)。值得注意的是,miR216a对CDK14的mRNA表达水平没有明显影响,从而表明miR216a对CDK14的调控是转录后调节。
我们接下来在骨肉瘤细胞系143B和U2OS中分别共转染含有野生型或突变的CDK14的3’UTR序列的报告基因载体(见实施例1前的步骤2.2)和含有miR216编码基因的荧光素酶报告基因载体(全序列如序列3所示)来评价CDK14是否是miR216a的直接靶基因。miR216a过表达能够显著抑制CDK14的3’-UTR活性,但对突变的miR216a的结合位点的荧光素酶活性没有影响(图2中c)。另一方面,抑制miR216a表达则会上调CDK14的3'UTR荧光素酶活性。这些结果综合表明miR216a能够通过在骨肉瘤细胞中靶向CDK14的3’-UTR活性抑制CDK14的表达。
人源成熟miR216a为序列表中序列1所示的RNA分子;所述人源前体miR216a为序列表中序列2所示的RNA分子;编码所述人源成熟miR216a或所述人源前体miR216a的DNA分子为序列表中序列3的第5447-5555位所示的DNA分子。
三、miR216a通过抑制CDK14的表达抑制骨肉瘤细胞的增殖、迁移和侵袭
我们然后通过细胞生长和克隆形成试验评估了miR216a能否调节骨肉瘤细胞株的表型。转染miR216a的细胞用于分析生长情况。与上述结果一致,转染含有miR216编码基因的载体(全序列如序列表中序列3所示)能够抑制骨肉瘤细胞增殖能力和集落形成(图3中a和c)。此外,转染CDK14重组质粒pcDNA3-FLAG-CDK14(见实施例1前的步骤2.1)表明,CDK14能逆转miR216a对细胞增殖的影响(图3中a和c)。相反,添加miR216a抑制剂(QIAGEN公司生产的货号为219300的Anti-hsa-miR-216a-5p)则能够促进骨肉瘤细胞增殖和集落形成(图3中b和d)。上述结果表明,miR216a能够通过抑制CDK14表达抑制细胞增殖。
接下来,我们研究了miR216a对骨肉瘤细胞迁移和侵袭能力的影响。事实上,转染含有miR216编码基因的载体(全序列如序列表中序列3所示)能够抑制骨肉瘤细胞迁移(图3中e)。Matrigel侵袭实验也得到了类似的结果。简言之,上述结果表明miR216a表达能够明显抑制骨肉瘤细胞系的侵袭(图3中f)。此外,添加miR216a抑制剂(QIAGEN公司生产的货号为219300的Anti-hsa-miR-216a-5p),则能够促进骨肉瘤细胞的侵袭和迁移能力(图3中g和h)。综上结果也表明CDK14是miR216a调控骨肉瘤转移的重要调节因子。
四、miR216a/CDK14轴能调节细胞周期进程
由于miR216a靶向细胞周期蛋白依赖性激酶CDK14,为更好地阐明miR216a调控骨肉瘤细胞生长抑制的机制,我们通过采用流式细胞仪分析miR216a对细胞周期的影。在骨肉瘤143B细胞中转染含有miR216编码基因的载体(全序列如序列表中序列3所示)会增加G0/G1期细胞比例(从52.09%到64.16%),但减少了S期细胞比例(从32.14%到20.30%)(图4中a)。相反,添加miR216a抑制剂(QIAGEN公司生产的货号为219300的Anti-hsa-miR-216a-5p)后,G0/G1期细胞比例明显减少(从52.13%至40.41%)的阶段,而S期细胞比例却增加(31.89%到43.60%)(图4中b)。这些数据表明,miR216a抑制骨肉瘤细胞的G1/S过渡。
五、miR216a/CDK14轴通过控制LRP6介导的Wnt信号通路和PI3K/Akt通路调节细胞迁移和侵袭进程
CDK14能介导脂蛋白受体相关蛋白6(LRP6)磷酸化从而促进Wnt信号转导。此外,敲低CDK14表达能抑制胰腺癌细胞p-PI3K和p-Akt表达。因此,我们探究Wnt和PI3K/Akt信号通路是否参与调控miR216a/CDK14对细胞侵袭和迁移的进程。我们的数据表明,转染含有miR216编码基因的载体(全序列如序列表中序列3所示)能够抑制LRP6磷酸化水平,以及Wnt信号通路的两个关键的下游靶基因CCND1和c-Myc(图4中c)。此外,转染含有miR216编码基因的载体(全序列如序列表中序列3所示)能够抑制骨肉瘤细胞PI3K和Akt的磷酸化,而转染含有CDK14编码基因的载体(pcDNA3-FLAG-CDK14,见实施例1前的步骤2.1)则可增加PI3K和Akt的磷酸化水平(图4中d)。上述数据共同表明miR216a/CDK14轴能通过控制LRP6介导的Wnt信号通路和PI3K/Akt通路调节细胞迁移和侵袭进程。
E-cadherin、N-cadherin是肿瘤上皮细胞-间充质转化(Epithelial-MesenchymalTransition,EMT)的重要标志。E-cadherin和N-cadherin的表达与肿瘤侵袭和转移密切相关。在肿瘤中,E-cadherin的突变促进细胞的侵袭、运动和转移。在肿瘤细胞中敲低CDK14能够促进E-cadherin的表达从而抑制肿瘤EMT。然而,N-cadherin和CDK14之间的关系尚未完全阐明。由于miR-216a/CDK14轴可调控骨肉瘤的侵袭,因此我们尝试探讨miR-216a/CDK14轴对小鼠E-cadherin和N-cadherin生产的影响。正如预期的那样,miR-216a抑制N-cadherin的表达并促进E-cadherin的表达,添加CDK14后可促进N-cadherin的表达并抑制E-cadherin的表达。提示miR-216a/CDK14有轴与骨肉瘤的EMT相关。
六、miR216a抑制肿瘤发生和转移的骨肉瘤
我们进一步通过对裸鼠瘤细胞生长影响评价在miR216a在体内的表型表达。的确,miR216a过表达能够明显抑制肿瘤的生长(图5中a、b)。此外,在小鼠接种mir216a过表达的骨肉瘤143B细胞系(即向143B细胞中转入序列3所示含有miR216编码基因的载体后经压系所得的稳定转染细胞系)后,小鼠的CDK14和EMT标记物基因表达减少(图5中c)。而在小鼠体内联合表达miR216a和CDK14骨肉瘤143B细胞系则对肿瘤生长有逆转影响(图5中a、b)。
接下来,我们研究了miR216a对转移的影响。结果表明,相对于对照组,mir216a组小鼠的肺部转移灶更少。此外,miR216a组小鼠肺的活体成像实验也显示出类似的结果(图5中d)。相反,miR216a和CDK14共表达组小鼠则显示较多转移灶(图5中d)。肺的解剖学和组织学分析也同样得以证实(图5中e)。此外,Kaplan Meier生存分析也表明,miR216a组小鼠比对照组有更好的生存概率(P=0.002)。综上,这些数据都表明miR216a可作为抑制肿瘤扩散的作用。
七、miR216a和CDK14的表达以及在骨肉瘤样本中的相关性
为评估miR216a的临床意义,我们用实时荧光定量PCR在91例患者骨肉瘤和癌旁组织中进行了miR216a表达水平检测。实时荧光定量PCR结果显示,骨肉瘤患者miR216a的表达明显降低(P=3.2×10-4)(图6中a)。为进一步探讨CDK14的临床意义,我们对miR216a与临床病理特征的关系进行了分析。结果表明:miR216a表达水平与肿瘤大小、组织学分级密切相关。此外,Kaplan Meier生存分析表明,体内miR216a高表达的患者具有更好的整体存活率(P=0.020)和无病生存期(P=0.017);从而表明miR216a可用于更好的临床效果预测(图6中b和c)。此外,骨肉瘤样本中miR216a表达与CDK14蛋白表达呈负相关(P=2.5×10-8,r=-0.745)(图6中d)。综上,这些研究结果表明miR216a和CDK14对指导骨肉瘤预后的重要作用。
<110> 中国人民解放军总医院
<120> miR216a用于抑制骨肉瘤细胞的增殖、侵袭和迁移
<130> GNCLN171468
<160> 14
<170> PatentIn version 3.5
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gacggatcgg gagatctccc gatcccctat ggtcgactct cagtacaatc tgctctgatg 60
ccgcatagtt aagccagtat ctgctccctg cttgtgtgtt ggaggtcgct gagtagtgcg 120
cgagcaaaat ttaagctaca acaaggcaag gcttgaccga caattgcatg aagaatctgc 180
ttagggttag gcgttttgcg ctgcttcgcg atgtacgggc cagatatacg cgttgacatt 240
gattattgac tagttattaa tagtaatcaa ttacggggtc attagttcat agcccatata 300
tggagttccg cgttacataa cttacggtaa atggcccgcc tggctgaccg cccaacgacc 360
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attgacgtca atgggtggac tatttacggt aaactgccca cttggcagta catcaagtgt 480
atcatatgcc aagtacgccc cctattgacg tcaatgacgg taaatggccc gcctggcatt 540
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tcgctattac catggtgatg cggttttggc agtacatcaa tgggcgtgga tagcggtttg 660
actcacgggg atttccaagt ctccacccca ttgacgtcaa tgggagtttg ttttggcacc 720
aaaatcaacg ggactttcca aaatgtcgta acaactccgc cccattgacg caaatgggcg 780
gtaggcgtgt acggtgggag gtctatataa gcagagctct ctggctaact agagaaccca 840
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gagctcggat ccactagtaa cggccgccag tgtgctggaa ttctgcagat atccatcaca 960
ctggcggccg ctcgagcatg catctagagg gccctattct atagtgtcac ctaaatgcta 1020
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aggacagcaa gggggaggat tgggaagaca atagcaggca tgctggggat gcggtgggct 1260
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gtagcggcgc attaagcgcg gcgggtgtgg tggttacgcg cagcgtgacc gctacacttg 1380
ccagcgccct agcgcccgct cctttcgctt tcttcccttc ctttctcgcc acgttcgccg 1440
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gaagtatgca aagcatgcat ctcaattagt cagcaaccag gtgtggaaag tccccaggct 1860
ccccagcagg cagaagtatg caaagcatgc atctcaatta gtcagcaacc atagtcccgc 1920
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cagcgcggct atcgtggctg gccacgacgg gcgttccttg cgcagctgtg ctcgacgttg 2400
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catctcacct tgctcctgcc gagaaagtat ccatcatggc tgatgcaatg cggcggctgc 2520
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acggtatcgc cgctcccgat tcgcagcgca tcgccttcta tcgccttctt gacgagttct 2940
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tcacaaaaat cgacgctcaa gtcagaggtg gcgaaacccg acaggactat aaagatacca 3780
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Ile Val Leu Leu His Asp Ile Ile His Thr Lys Glu Thr Leu Thr Leu
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Pro Val Glu Gly Tyr Ile Tyr Trp Thr Asp Asp Glu Val Arg Ala Ile
370 375 380
Arg Arg Ser Phe Ile Asp Gly Ser Gly Ser Gln Phe Val Val Thr Ala
385 390 395 400
Gln Ile Ala His Pro Asp Gly Ile Ala Val Asp Trp Val Ala Arg Asn
405 410 415
Leu Tyr Trp Thr Asp Thr Gly Thr Asp Arg Ile Glu Val Thr Arg Leu
420 425 430
Asn Gly Thr Met Arg Lys Ile Leu Ile Ser Glu Asp Leu Glu Glu Pro
435 440 445
Arg Ala Ile Val Leu Asp Pro Met Val Gly Tyr Met Tyr Trp Thr Asp
450 455 460
Trp Gly Glu Ile Pro Lys Ile Glu Arg Ala Ala Leu Asp Gly Ser Asp
465 470 475 480
Arg Val Val Leu Val Asn Thr Ser Leu Gly Trp Pro Asn Gly Leu Ala
485 490 495
Leu Asp Tyr Asp Glu Gly Lys Ile Tyr Trp Gly Asp Ala Lys Thr Asp
500 505 510
Lys Ile Glu Val Met Asn Thr Asp Gly Thr Gly Arg Arg Val Leu Val
515 520 525
Glu Asp Lys Ile Pro His Ile Phe Gly Phe Thr Leu Leu Gly Asp Tyr
530 535 540
Val Tyr Trp Thr Asp Trp Gln Arg Arg Ser Ile Glu Arg Val His Lys
545 550 555 560
Arg Ser Ala Glu Arg Glu Val Ile Ile Asp Gln Leu Pro Asp Leu Met
565 570 575
Gly Leu Lys Ala Thr Asn Val His Arg Val Ile Gly Ser Asn Pro Cys
580 585 590
Ala Glu Glu Asn Gly Gly Cys Ser His Leu Cys Leu Tyr Arg Pro Gln
595 600 605
Gly Leu Arg Cys Ala Cys Pro Ile Gly Phe Glu Leu Ile Ser Asp Met
610 615 620
Lys Thr Cys Ile Val Pro Glu Ala Phe Leu Leu Phe Ser Arg Arg Ala
625 630 635 640
Asp Ile Arg Arg Ile Ser Leu Glu Thr Asn Asn Asn Asn Val Ala Ile
645 650 655
Pro Leu Thr Gly Val Lys Glu Ala Ser Ala Leu Asp Phe Asp Val Thr
660 665 670
Asp Asn Arg Ile Tyr Trp Thr Asp Ile Ser Leu Lys Thr Ile Ser Arg
675 680 685
Ala Phe Met Asn Gly Ser Ala Leu Glu His Val Val Glu Phe Gly Leu
690 695 700
Asp Tyr Pro Glu Gly Met Ala Val Asp Trp Leu Gly Lys Asn Leu Tyr
705 710 715 720
Trp Ala Asp Thr Gly Thr Asn Arg Ile Glu Val Ser Lys Leu Asp Gly
725 730 735
Gln His Arg Gln Val Leu Val Trp Lys Asp Leu Asp Ser Pro Arg Ala
740 745 750
Leu Ala Leu Asp Pro Ala Glu Gly Phe Met Tyr Trp Thr Glu Trp Gly
755 760 765
Gly Lys Pro Lys Ile Asp Arg Ala Ala Met Asp Gly Ser Glu Arg Thr
770 775 780
Thr Leu Val Pro Asn Val Gly Arg Ala Asn Gly Leu Thr Ile Asp Tyr
785 790 795 800
Ala Lys Arg Arg Leu Tyr Trp Thr Asp Leu Asp Thr Asn Leu Ile Glu
805 810 815
Ser Ser Asn Met Leu Gly Leu Asn Arg Glu Val Ile Ala Asp Asp Leu
820 825 830
Pro His Pro Phe Gly Leu Thr Gln Tyr Gln Asp Tyr Ile Tyr Trp Thr
835 840 845
Asp Trp Ser Arg Arg Ser Ile Glu Arg Ala Asn Lys Thr Ser Gly Gln
850 855 860
Asn Arg Thr Ile Ile Gln Gly His Leu Asp Tyr Val Met Asp Ile Leu
865 870 875 880
Val Phe His Ser Ser Arg Gln Ser Gly Trp Asn Glu Cys Ala Ser Ser
885 890 895
Asn Gly His Cys Ser His Leu Cys Leu Ala Val Pro Val Gly Gly Phe
900 905 910
Val Cys Gly Cys Pro Ala His Tyr Ser Leu Asn Ala Asp Asn Arg Thr
915 920 925
Cys Ser Ala Pro Thr Thr Phe Leu Leu Phe Ser Gln Lys Ser Ala Ile
930 935 940
Asn Arg Met Val Ile Asp Glu Gln Gln Ser Pro Asp Ile Ile Leu Pro
945 950 955 960
Ile His Ser Leu Arg Asn Val Arg Ala Ile Asp Tyr Asp Pro Leu Asp
965 970 975
Lys Gln Leu Tyr Trp Ile Asp Ser Arg Gln Asn Met Ile Arg Lys Ala
980 985 990
Gln Glu Asp Gly Ser Gln Gly Phe Thr Val Val Val Ser Ser Val Pro
995 1000 1005
Ser Gln Asn Leu Glu Ile Gln Pro Tyr Asp Leu Ser Ile Asp Ile
1010 1015 1020
Tyr Ser Arg Tyr Ile Tyr Trp Thr Cys Glu Ala Thr Asn Val Ile
1025 1030 1035
Asn Val Thr Arg Leu Asp Gly Arg Ser Val Gly Val Val Leu Lys
1040 1045 1050
Gly Glu Gln Asp Arg Pro Arg Ala Val Val Val Asn Pro Glu Lys
1055 1060 1065
Gly Tyr Met Tyr Phe Thr Asn Leu Gln Glu Arg Ser Pro Lys Ile
1070 1075 1080
Glu Arg Ala Ala Leu Asp Gly Thr Glu Arg Glu Val Leu Phe Phe
1085 1090 1095
Ser Gly Leu Ser Lys Pro Ile Ala Leu Ala Leu Asp Ser Arg Leu
1100 1105 1110
Gly Lys Leu Phe Trp Ala Asp Ser Asp Leu Arg Arg Ile Glu Ser
1115 1120 1125
Ser Asp Leu Ser Gly Ala Asn Arg Ile Val Leu Glu Asp Ser Asn
1130 1135 1140
Ile Leu Gln Pro Val Gly Leu Thr Val Phe Glu Asn Trp Leu Tyr
1145 1150 1155
Trp Ile Asp Lys Gln Gln Gln Met Ile Glu Lys Ile Asp Met Thr
1160 1165 1170
Gly Arg Glu Gly Arg Thr Lys Val Gln Ala Arg Ile Ala Gln Leu
1175 1180 1185
Ser Asp Ile His Ala Val Lys Glu Leu Asn Leu Gln Glu Tyr Arg
1190 1195 1200
Gln His Pro Cys Ala Gln Asp Asn Gly Gly Cys Ser His Ile Cys
1205 1210 1215
Leu Val Lys Gly Asp Gly Thr Thr Arg Cys Ser Cys Pro Met His
1220 1225 1230
Leu Val Leu Leu Gln Asp Glu Leu Ser Cys Gly Glu Pro Pro Thr
1235 1240 1245
Cys Ser Pro Gln Gln Phe Thr Cys Phe Thr Gly Glu Ile Asp Cys
1250 1255 1260
Ile Pro Val Ala Trp Arg Cys Asp Gly Phe Thr Glu Cys Glu Asp
1265 1270 1275
His Ser Asp Glu Leu Asn Cys Pro Val Cys Ser Glu Ser Gln Phe
1280 1285 1290
Gln Cys Ala Ser Gly Gln Cys Ile Asp Gly Ala Leu Arg Cys Asn
1295 1300 1305
Gly Asp Ala Asn Cys Gln Asp Lys Ser Asp Glu Lys Asn Cys Glu
1310 1315 1320
Val Leu Cys Leu Ile Asp Gln Phe Arg Cys Ala Asn Gly Gln Cys
1325 1330 1335
Ile Gly Lys His Lys Lys Cys Asp His Asn Val Asp Cys Ser Asp
1340 1345 1350
Lys Ser Asp Glu Leu Asp Cys Tyr Pro Thr Glu Glu Pro Ala Pro
1355 1360 1365
Gln Ala Thr Asn Thr Val Gly Ser Val Ile Gly Val Ile Val Thr
1370 1375 1380
Ile Phe Val Ser Gly Thr Val Tyr Phe Ile Cys Gln Arg Met Leu
1385 1390 1395
Cys Pro Arg Met Lys Gly Asp Gly Glu Thr Met Thr Asn Asp Tyr
1400 1405 1410
Val Val His Gly Pro Ala Ser Val Pro Leu Gly Tyr Val Pro His
1415 1420 1425
Pro Ser Ser Leu Ser Gly Ser Leu Pro Gly Met Ser Arg Gly Lys
1430 1435 1440
Ser Met Ile Ser Ser Leu Ser Ile Met Gly Gly Ser Ser Gly Pro
1445 1450 1455
Pro Tyr Asp Arg Ala His Val Thr Gly Ala Ser Ser Ser Ser Ser
1460 1465 1470
Ser Ser Thr Lys Gly Thr Tyr Phe Pro Ala Ile Leu Asn Pro Pro
1475 1480 1485
Pro Ser Pro Ala Thr Glu Arg Ser His Tyr Thr Met Glu Phe Gly
1490 1495 1500
Tyr Ser Ser Asn Ser Pro Ser Thr His Arg Ser Tyr Ser Tyr Arg
1505 1510 1515
Pro Tyr Ser Tyr Arg His Phe Ala Pro Pro Thr Thr Pro Cys Ser
1520 1525 1530
Thr Asp Val Cys Asp Ser Asp Tyr Ala Pro Ser Arg Arg Met Thr
1535 1540 1545
Ser Val Ala Thr Ala Lys Gly Tyr Thr Ser Asp Leu Asn Tyr Asp
1550 1555 1560
Ser Glu Pro Val Pro Pro Pro Pro Thr Pro Arg Ser Gln Tyr Leu
1565 1570 1575
Ser Ala Glu Glu Asn Tyr Glu Ser Cys Pro Pro Ser Pro Tyr Thr
1580 1585 1590
Glu Arg Ser Tyr Ser His His Leu Tyr Pro Pro Pro Pro Ser Pro
1595 1600 1605
Cys Thr Asp Ser Ser
1610
<210> 6
<211> 295
<212> PRT
<213> 人工序列
<220>
<223>
<400> 6
Met Glu His Gln Leu Leu Cys Cys Glu Val Glu Thr Ile Arg Arg Ala
1 5 10 15
Tyr Pro Asp Ala Asn Leu Leu Asn Asp Arg Val Leu Arg Ala Met Leu
20 25 30
Lys Ala Glu Glu Thr Cys Ala Pro Ser Val Ser Tyr Phe Lys Cys Val
35 40 45
Gln Lys Glu Val Leu Pro Ser Met Arg Lys Ile Val Ala Thr Trp Met
50 55 60
Leu Glu Val Cys Glu Glu Gln Lys Cys Glu Glu Glu Val Phe Pro Leu
65 70 75 80
Ala Met Asn Tyr Leu Asp Arg Phe Leu Ser Leu Glu Pro Val Lys Lys
85 90 95
Ser Arg Leu Gln Leu Leu Gly Ala Thr Cys Met Phe Val Ala Ser Lys
100 105 110
Met Lys Glu Thr Ile Pro Leu Thr Ala Glu Lys Leu Cys Ile Tyr Thr
115 120 125
Asp Asn Ser Ile Arg Pro Glu Glu Leu Leu Gln Met Glu Leu Leu Leu
130 135 140
Val Asn Lys Leu Lys Trp Asn Leu Ala Ala Met Thr Pro His Asp Phe
145 150 155 160
Ile Glu His Phe Leu Ser Lys Met Pro Glu Ala Glu Glu Asn Lys Gln
165 170 175
Ile Ile Arg Lys His Ala Gln Thr Phe Val Ala Leu Cys Ala Thr Asp
180 185 190
Val Lys Phe Ile Ser Asn Pro Pro Ser Met Val Ala Ala Gly Ser Val
195 200 205
Val Ala Ala Val Gln Gly Leu Asn Leu Arg Ser Pro Asn Asn Phe Leu
210 215 220
Ser Tyr Tyr Arg Leu Thr Arg Phe Leu Ser Arg Val Ile Lys Cys Asp
225 230 235 240
Pro Asp Cys Leu Arg Ala Cys Gln Glu Gln Ile Glu Ala Leu Leu Glu
245 250 255
Ser Ser Leu Arg Gln Ala Gln Gln Asn Met Asp Pro Lys Ala Ala Glu
260 265 270
Glu Glu Glu Glu Glu Glu Glu Glu Val Asp Leu Ala Cys Thr Pro Thr
275 280 285
Asp Val Arg Asp Val Asp Ile
290 295
<210> 7
<211> 454
<212> PRT
<213> 人工序列
<220>
<223>
<400> 7
Leu Asp Phe Phe Arg Val Val Glu Asn Gln Gln Pro Pro Ala Thr Met
1 5 10 15
Pro Leu Asn Val Ser Phe Thr Asn Arg Asn Tyr Asp Leu Asp Tyr Asp
20 25 30
Ser Val Gln Pro Tyr Phe Tyr Cys Asp Glu Glu Glu Asn Phe Tyr Gln
35 40 45
Gln Gln Gln Gln Ser Glu Leu Gln Pro Pro Ala Pro Ser Glu Asp Ile
50 55 60
Trp Lys Lys Phe Glu Leu Leu Pro Thr Pro Pro Leu Ser Pro Ser Arg
65 70 75 80
Arg Ser Gly Leu Cys Ser Pro Ser Tyr Val Ala Val Thr Pro Phe Ser
85 90 95
Leu Arg Gly Asp Asn Asp Gly Gly Gly Gly Ser Phe Ser Thr Ala Asp
100 105 110
Gln Leu Glu Met Val Thr Glu Leu Leu Gly Gly Asp Met Val Asn Gln
115 120 125
Ser Phe Ile Cys Asp Pro Asp Asp Glu Thr Phe Ile Lys Asn Ile Ile
130 135 140
Ile Gln Asp Cys Met Trp Ser Gly Phe Ser Ala Ala Ala Lys Leu Val
145 150 155 160
Ser Glu Lys Leu Ala Ser Tyr Gln Ala Ala Arg Lys Asp Ser Gly Ser
165 170 175
Pro Asn Pro Ala Arg Gly His Ser Val Cys Ser Thr Ser Ser Leu Tyr
180 185 190
Leu Gln Asp Leu Ser Ala Ala Ala Ser Glu Cys Ile Asp Pro Ser Val
195 200 205
Val Phe Pro Tyr Pro Leu Asn Asp Ser Ser Ser Pro Lys Ser Cys Ala
210 215 220
Ser Gln Asp Ser Ser Ala Phe Ser Pro Ser Ser Asp Ser Leu Leu Ser
225 230 235 240
Ser Thr Glu Ser Ser Pro Gln Gly Ser Pro Glu Pro Leu Val Leu His
245 250 255
Glu Glu Thr Pro Pro Thr Thr Ser Ser Asp Ser Glu Glu Glu Gln Glu
260 265 270
Asp Glu Glu Glu Ile Asp Val Val Ser Val Glu Lys Arg Gln Ala Pro
275 280 285
Gly Lys Arg Ser Glu Ser Gly Ser Pro Ser Ala Gly Gly His Ser Lys
290 295 300
Pro Pro His Ser Pro Leu Val Leu Lys Arg Cys His Val Ser Thr His
305 310 315 320
Gln His Asn Tyr Ala Ala Pro Pro Ser Thr Arg Lys Asp Tyr Pro Ala
325 330 335
Ala Lys Arg Val Lys Leu Asp Ser Val Arg Val Leu Arg Gln Ile Ser
340 345 350
Asn Asn Arg Lys Cys Thr Ser Pro Arg Ser Ser Asp Thr Glu Glu Asn
355 360 365
Val Lys Arg Arg Thr His Asn Val Leu Glu Arg Gln Arg Arg Asn Glu
370 375 380
Leu Lys Arg Ser Phe Phe Ala Leu Arg Asp Gln Ile Pro Glu Leu Glu
385 390 395 400
Asn Asn Glu Lys Ala Pro Lys Val Val Ile Leu Lys Lys Ala Thr Ala
405 410 415
Tyr Ile Leu Ser Val Gln Ala Glu Glu Gln Lys Leu Ile Ser Glu Glu
420 425 430
Asp Leu Leu Arg Lys Arg Arg Glu Gln Leu Lys His Lys Leu Glu Gln
435 440 445
Leu Arg Asn Ser Cys Ala
450
<210> 8
<211> 1068
<212> PRT
<213> 人工序列
<220>
<223>
<400> 8
Met Pro Pro Arg Pro Ser Ser Gly Glu Leu Trp Gly Ile His Leu Met
1 5 10 15
Pro Pro Arg Ile Leu Val Glu Cys Leu Leu Pro Asn Gly Met Ile Val
20 25 30
Thr Leu Glu Cys Leu Arg Glu Ala Thr Leu Ile Thr Ile Lys His Glu
35 40 45
Leu Phe Lys Glu Ala Arg Lys Tyr Pro Leu His Gln Leu Leu Gln Asp
50 55 60
Glu Ser Ser Tyr Ile Phe Val Ser Val Thr Gln Glu Ala Glu Arg Glu
65 70 75 80
Glu Phe Phe Asp Glu Thr Arg Arg Leu Cys Asp Leu Arg Leu Phe Gln
85 90 95
Pro Phe Leu Lys Val Ile Glu Pro Val Gly Asn Arg Glu Glu Lys Ile
100 105 110
Leu Asn Arg Glu Ile Gly Phe Ala Ile Gly Met Pro Val Cys Glu Phe
115 120 125
Asp Met Val Lys Asp Pro Glu Val Gln Asp Phe Arg Arg Asn Ile Leu
130 135 140
Asn Val Cys Lys Glu Ala Val Asp Leu Arg Asp Leu Asn Ser Pro His
145 150 155 160
Ser Arg Ala Met Tyr Val Tyr Pro Pro Asn Val Glu Ser Ser Pro Glu
165 170 175
Leu Pro Lys His Ile Tyr Asn Lys Leu Asp Lys Gly Gln Ile Ile Val
180 185 190
Val Ile Trp Val Ile Val Ser Pro Asn Asn Asp Lys Gln Lys Tyr Thr
195 200 205
Leu Lys Ile Asn His Asp Cys Val Pro Glu Gln Val Ile Ala Glu Ala
210 215 220
Ile Arg Lys Lys Thr Arg Ser Met Leu Leu Ser Ser Glu Gln Leu Lys
225 230 235 240
Leu Cys Val Leu Glu Tyr Gln Gly Lys Tyr Ile Leu Lys Val Cys Gly
245 250 255
Cys Asp Glu Tyr Phe Leu Glu Lys Tyr Pro Leu Ser Gln Tyr Lys Tyr
260 265 270
Ile Arg Ser Cys Ile Met Leu Gly Arg Met Pro Asn Leu Met Leu Met
275 280 285
Ala Lys Glu Ser Leu Tyr Ser Gln Leu Pro Met Asp Cys Phe Thr Met
290 295 300
Pro Ser Tyr Ser Arg Arg Ile Ser Thr Ala Thr Pro Tyr Met Asn Gly
305 310 315 320
Glu Thr Ser Thr Lys Ser Leu Trp Val Ile Asn Ser Ala Leu Arg Ile
325 330 335
Lys Ile Leu Cys Ala Thr Tyr Val Asn Val Asn Ile Arg Asp Ile Asp
340 345 350
Lys Ile Tyr Val Arg Thr Gly Ile Tyr His Gly Gly Glu Pro Leu Cys
355 360 365
Asp Asn Val Asn Thr Gln Arg Val Pro Cys Ser Asn Pro Arg Trp Asn
370 375 380
Glu Trp Leu Asn Tyr Asp Ile Tyr Ile Pro Asp Leu Pro Arg Ala Ala
385 390 395 400
Arg Leu Cys Leu Ser Ile Cys Ser Val Lys Gly Arg Lys Gly Ala Lys
405 410 415
Glu Glu His Cys Pro Leu Ala Trp Gly Asn Ile Asn Leu Phe Asp Tyr
420 425 430
Thr Asp Thr Leu Val Ser Gly Lys Met Ala Leu Asn Leu Trp Pro Val
435 440 445
Pro His Gly Leu Glu Asp Leu Leu Asn Pro Ile Gly Val Thr Gly Ser
450 455 460
Asn Pro Asn Lys Glu Thr Pro Cys Leu Glu Leu Glu Phe Asp Trp Phe
465 470 475 480
Ser Ser Val Val Lys Phe Pro Asp Met Ser Val Ile Glu Glu His Ala
485 490 495
Asn Trp Ser Val Ser Arg Glu Ala Gly Phe Ser Tyr Ser His Ala Gly
500 505 510
Leu Ser Asn Arg Leu Ala Arg Asp Asn Glu Leu Arg Glu Asn Asp Lys
515 520 525
Glu Gln Leu Lys Ala Ile Ser Thr Arg Asp Pro Leu Ser Glu Ile Thr
530 535 540
Glu Gln Glu Lys Asp Phe Leu Trp Ser His Arg His Tyr Cys Val Thr
545 550 555 560
Ile Pro Glu Ile Leu Pro Lys Leu Leu Leu Ser Val Lys Trp Asn Ser
565 570 575
Arg Asp Glu Val Ala Gln Met Tyr Cys Leu Val Lys Asp Trp Pro Pro
580 585 590
Ile Lys Pro Glu Gln Ala Met Glu Leu Leu Asp Cys Asn Tyr Pro Asp
595 600 605
Pro Met Val Arg Gly Phe Ala Val Arg Cys Leu Glu Lys Tyr Leu Thr
610 615 620
Asp Asp Lys Leu Ser Gln Tyr Leu Ile Gln Leu Val Gln Val Leu Lys
625 630 635 640
Tyr Glu Gln Tyr Leu Asp Asn Leu Leu Val Arg Phe Leu Leu Lys Lys
645 650 655
Ala Leu Thr Asn Gln Arg Ile Gly His Phe Phe Phe Trp His Leu Lys
660 665 670
Ser Glu Met His Asn Lys Thr Val Ser Gln Arg Phe Gly Leu Leu Leu
675 680 685
Glu Ser Tyr Cys Arg Ala Cys Gly Met Tyr Leu Lys His Leu Asn Arg
690 695 700
Gln Val Glu Ala Met Glu Lys Leu Ile Asn Leu Thr Asp Ile Leu Lys
705 710 715 720
Gln Glu Lys Lys Asp Glu Thr Gln Lys Val Gln Met Lys Phe Leu Val
725 730 735
Glu Gln Met Arg Arg Pro Asp Phe Met Asp Ala Leu Gln Gly Phe Leu
740 745 750
Ser Pro Leu Asn Pro Ala His Gln Leu Gly Asn Leu Arg Leu Glu Glu
755 760 765
Cys Arg Ile Met Ser Ser Ala Lys Arg Pro Leu Trp Leu Asn Trp Glu
770 775 780
Asn Pro Asp Ile Met Ser Glu Leu Leu Phe Gln Asn Asn Glu Ile Ile
785 790 795 800
Phe Lys Asn Gly Asp Asp Leu Arg Gln Asp Met Leu Thr Leu Gln Ile
805 810 815
Ile Arg Ile Met Glu Asn Ile Trp Gln Asn Gln Gly Leu Asp Leu Arg
820 825 830
Met Leu Pro Tyr Gly Cys Leu Ser Ile Gly Asp Cys Val Gly Leu Ile
835 840 845
Glu Val Val Arg Asn Ser His Thr Ile Met Gln Ile Gln Cys Lys Gly
850 855 860
Gly Leu Lys Gly Ala Leu Gln Phe Asn Ser His Thr Leu His Gln Trp
865 870 875 880
Leu Lys Asp Lys Asn Lys Gly Glu Ile Tyr Asp Ala Ala Ile Asp Leu
885 890 895
Phe Thr Arg Ser Cys Ala Gly Tyr Cys Val Ala Thr Phe Ile Leu Gly
900 905 910
Ile Gly Asp Arg His Asn Ser Asn Ile Met Val Lys Asp Asp Gly Gln
915 920 925
Leu Phe His Ile Asp Phe Gly His Phe Leu Asp His Lys Lys Lys Lys
930 935 940
Phe Gly Tyr Lys Arg Glu Arg Val Pro Phe Val Leu Thr Gln Asp Phe
945 950 955 960
Leu Ile Val Ile Ser Lys Gly Ala Gln Glu Cys Thr Lys Thr Arg Glu
965 970 975
Phe Glu Arg Phe Gln Glu Met Cys Tyr Lys Ala Tyr Leu Ala Ile Arg
980 985 990
Gln His Ala Asn Leu Phe Ile Asn Leu Phe Ser Met Met Leu Gly Ser
995 1000 1005
Gly Met Pro Glu Leu Gln Ser Phe Asp Asp Ile Ala Tyr Ile Arg
1010 1015 1020
Lys Thr Leu Ala Leu Asp Lys Thr Glu Gln Glu Ala Leu Glu Tyr
1025 1030 1035
Phe Met Lys Gln Met Asn Asp Ala His His Gly Gly Trp Thr Thr
1040 1045 1050
Lys Met Asp Trp Ile Phe His Thr Ile Lys Gln His Ala Leu Asn
1055 1060 1065
<210> 9
<211> 480
<212> PRT
<213> 人工序列
<220>
<223>
<400> 9
Met Ser Asp Val Ala Ile Val Lys Glu Gly Trp Leu His Lys Arg Gly
1 5 10 15
Glu Tyr Ile Lys Thr Trp Arg Pro Arg Tyr Phe Leu Leu Lys Asn Asp
20 25 30
Gly Thr Phe Ile Gly Tyr Lys Glu Arg Pro Gln Asp Val Asp Gln Arg
35 40 45
Glu Ala Pro Leu Asn Asn Phe Ser Val Ala Gln Cys Gln Leu Met Lys
50 55 60
Thr Glu Arg Pro Arg Pro Asn Thr Phe Ile Ile Arg Cys Leu Gln Trp
65 70 75 80
Thr Thr Val Ile Glu Arg Thr Phe His Val Glu Thr Pro Glu Glu Arg
85 90 95
Glu Glu Trp Thr Thr Ala Ile Gln Thr Val Ala Asp Gly Leu Lys Lys
100 105 110
Gln Glu Glu Glu Glu Met Asp Phe Arg Ser Gly Ser Pro Ser Asp Asn
115 120 125
Ser Gly Ala Glu Glu Met Glu Val Ser Leu Ala Lys Pro Lys His Arg
130 135 140
Val Thr Met Asn Glu Phe Glu Tyr Leu Lys Leu Leu Gly Lys Gly Thr
145 150 155 160
Phe Gly Lys Val Ile Leu Val Lys Glu Lys Ala Thr Gly Arg Tyr Tyr
165 170 175
Ala Met Lys Ile Leu Lys Lys Glu Val Ile Val Ala Lys Asp Glu Val
180 185 190
Ala His Thr Leu Thr Glu Asn Arg Val Leu Gln Asn Ser Arg His Pro
195 200 205
Phe Leu Thr Ala Leu Lys Tyr Ser Phe Gln Thr His Asp Arg Leu Cys
210 215 220
Phe Val Met Glu Tyr Ala Asn Gly Gly Glu Leu Phe Phe His Leu Ser
225 230 235 240
Arg Glu Arg Val Phe Ser Glu Asp Arg Ala Arg Phe Tyr Gly Ala Glu
245 250 255
Ile Val Ser Ala Leu Asp Tyr Leu His Ser Glu Lys Asn Val Val Tyr
260 265 270
Arg Asp Leu Lys Leu Glu Asn Leu Met Leu Asp Lys Asp Gly His Ile
275 280 285
Lys Ile Thr Asp Phe Gly Leu Cys Lys Glu Gly Ile Lys Asp Gly Ala
290 295 300
Thr Met Lys Thr Phe Cys Gly Thr Pro Glu Tyr Leu Ala Pro Glu Val
305 310 315 320
Leu Glu Asp Asn Asp Tyr Gly Arg Ala Val Asp Trp Trp Gly Leu Gly
325 330 335
Val Val Met Tyr Glu Met Met Cys Gly Arg Leu Pro Phe Tyr Asn Gln
340 345 350
Asp His Glu Lys Leu Phe Glu Leu Ile Leu Met Glu Glu Ile Arg Phe
355 360 365
Pro Arg Thr Leu Gly Pro Glu Ala Lys Ser Leu Leu Ser Gly Leu Leu
370 375 380
Lys Lys Asp Pro Lys Gln Arg Leu Gly Gly Gly Ser Glu Asp Ala Lys
385 390 395 400
Glu Ile Met Gln His Arg Phe Phe Ala Gly Ile Val Trp Gln His Val
405 410 415
Tyr Glu Lys Lys Leu Ser Pro Pro Phe Lys Pro Gln Val Thr Ser Glu
420 425 430
Thr Asp Thr Arg Tyr Phe Asp Glu Glu Phe Thr Ala Gln Met Ile Thr
435 440 445
Ile Thr Pro Pro Asp Gln Asp Asp Ser Met Glu Cys Val Asp Ser Glu
450 455 460
Arg Arg Pro His Phe Pro Gln Phe Ser Tyr Ser Ala Ser Gly Thr Ala
465 470 475 480
<210> 10
<211> 906
<212> PRT
<213> 人工序列
<220>
<223>
<400> 10
Met Cys Arg Ile Ala Gly Ala Leu Arg Thr Leu Leu Pro Leu Leu Ala
1 5 10 15
Ala Leu Leu Gln Ala Ser Val Glu Ala Ser Gly Glu Ile Ala Leu Cys
20 25 30
Lys Thr Gly Phe Pro Glu Asp Val Tyr Ser Ala Val Leu Ser Lys Asp
35 40 45
Val His Glu Gly Gln Pro Leu Leu Asn Val Lys Phe Ser Asn Cys Asn
50 55 60
Gly Lys Arg Lys Val Gln Tyr Glu Ser Ser Glu Pro Ala Asp Phe Lys
65 70 75 80
Val Asp Glu Asp Gly Met Val Tyr Ala Val Arg Ser Phe Pro Leu Ser
85 90 95
Ser Glu His Ala Lys Phe Leu Ile Tyr Ala Gln Asp Lys Glu Thr Gln
100 105 110
Glu Lys Trp Gln Val Ala Val Lys Leu Ser Leu Lys Pro Thr Leu Thr
115 120 125
Glu Glu Ser Val Lys Glu Ser Ala Glu Val Glu Glu Ile Val Phe Pro
130 135 140
Arg Gln Phe Ser Lys His Ser Gly His Leu Gln Arg Gln Lys Arg Asp
145 150 155 160
Trp Val Ile Pro Pro Ile Asn Leu Pro Glu Asn Ser Arg Gly Pro Phe
165 170 175
Pro Gln Glu Leu Val Arg Ile Arg Ser Asp Arg Asp Lys Asn Leu Ser
180 185 190
Leu Arg Tyr Ser Val Thr Gly Pro Gly Ala Asp Gln Pro Pro Thr Gly
195 200 205
Ile Phe Ile Ile Asn Pro Ile Ser Gly Gln Leu Ser Val Thr Lys Pro
210 215 220
Leu Asp Arg Glu Gln Ile Ala Arg Phe His Leu Arg Ala His Ala Val
225 230 235 240
Asp Ile Asn Gly Asn Gln Val Glu Asn Pro Ile Asp Ile Val Ile Asn
245 250 255
Val Ile Asp Met Asn Asp Asn Arg Pro Glu Phe Leu His Gln Val Trp
260 265 270
Asn Gly Thr Val Pro Glu Gly Ser Lys Pro Gly Thr Tyr Val Met Thr
275 280 285
Val Thr Ala Ile Asp Ala Asp Asp Pro Asn Ala Leu Asn Gly Met Leu
290 295 300
Arg Tyr Arg Ile Val Ser Gln Ala Pro Ser Thr Pro Ser Pro Asn Met
305 310 315 320
Phe Thr Ile Asn Asn Glu Thr Gly Asp Ile Ile Thr Val Ala Ala Gly
325 330 335
Leu Asp Arg Glu Lys Val Gln Gln Tyr Thr Leu Ile Ile Gln Ala Thr
340 345 350
Asp Met Glu Gly Asn Pro Thr Tyr Gly Leu Ser Asn Thr Ala Thr Ala
355 360 365
Val Ile Thr Val Thr Asp Val Asn Asp Asn Pro Pro Glu Phe Thr Ala
370 375 380
Met Thr Phe Tyr Gly Glu Val Pro Glu Asn Arg Val Asp Ile Ile Val
385 390 395 400
Ala Asn Leu Thr Val Thr Asp Lys Asp Gln Pro His Thr Pro Ala Trp
405 410 415
Asn Ala Val Tyr Arg Ile Ser Gly Gly Asp Pro Thr Gly Arg Phe Ala
420 425 430
Ile Gln Thr Asp Pro Asn Ser Asn Asp Gly Leu Val Thr Val Val Lys
435 440 445
Pro Ile Asp Phe Glu Thr Asn Arg Met Phe Val Leu Thr Val Ala Ala
450 455 460
Glu Asn Gln Val Pro Leu Ala Lys Gly Ile Gln His Pro Pro Gln Ser
465 470 475 480
Thr Ala Thr Val Ser Val Thr Val Ile Asp Val Asn Glu Asn Pro Tyr
485 490 495
Phe Ala Pro Asn Pro Lys Ile Ile Arg Gln Glu Glu Gly Leu His Ala
500 505 510
Gly Thr Met Leu Thr Thr Phe Thr Ala Gln Asp Pro Asp Arg Tyr Met
515 520 525
Gln Gln Asn Ile Arg Tyr Thr Lys Leu Ser Asp Pro Ala Asn Trp Leu
530 535 540
Lys Ile Asp Pro Val Asn Gly Gln Ile Thr Thr Ile Ala Val Leu Asp
545 550 555 560
Arg Glu Ser Pro Asn Val Lys Asn Asn Ile Tyr Asn Ala Thr Phe Leu
565 570 575
Ala Ser Asp Asn Gly Ile Pro Pro Met Ser Gly Thr Gly Thr Leu Gln
580 585 590
Ile Tyr Leu Leu Asp Ile Asn Asp Asn Ala Pro Gln Val Leu Pro Gln
595 600 605
Glu Ala Glu Thr Cys Glu Thr Pro Asp Pro Asn Ser Ile Asn Ile Thr
610 615 620
Ala Leu Asp Tyr Asp Ile Asp Pro Asn Ala Gly Pro Phe Ala Phe Asp
625 630 635 640
Leu Pro Leu Ser Pro Val Thr Ile Lys Arg Asn Trp Thr Ile Thr Arg
645 650 655
Leu Asn Gly Asp Phe Ala Gln Leu Asn Leu Lys Ile Lys Phe Leu Glu
660 665 670
Ala Gly Ile Tyr Glu Val Pro Ile Ile Ile Thr Asp Ser Gly Asn Pro
675 680 685
Pro Lys Ser Asn Ile Ser Ile Leu Arg Val Lys Val Cys Gln Cys Asp
690 695 700
Ser Asn Gly Asp Cys Thr Asp Val Asp Arg Ile Val Gly Ala Gly Leu
705 710 715 720
Gly Thr Gly Ala Ile Ile Ala Ile Leu Leu Cys Ile Ile Ile Leu Leu
725 730 735
Ile Leu Val Leu Met Phe Val Val Trp Met Lys Arg Arg Asp Lys Glu
740 745 750
Arg Gln Ala Lys Gln Leu Leu Ile Asp Pro Glu Asp Asp Val Arg Asp
755 760 765
Asn Ile Leu Lys Tyr Asp Glu Glu Gly Gly Gly Glu Glu Asp Gln Asp
770 775 780
Tyr Asp Leu Ser Gln Leu Gln Gln Pro Asp Thr Val Glu Pro Asp Ala
785 790 795 800
Ile Lys Pro Val Gly Ile Arg Arg Met Asp Glu Arg Pro Ile His Ala
805 810 815
Glu Pro Gln Tyr Pro Val Arg Ser Ala Ala Pro His Pro Gly Asp Ile
820 825 830
Gly Asp Phe Ile Asn Glu Gly Leu Lys Ala Ala Asp Asn Asp Pro Thr
835 840 845
Ala Pro Pro Tyr Asp Ser Leu Leu Val Phe Asp Tyr Glu Gly Ser Gly
850 855 860
Ser Thr Ala Gly Ser Leu Ser Ser Leu Asn Ser Ser Ser Ser Gly Gly
865 870 875 880
Glu Gln Asp Tyr Asp Tyr Leu Asn Asp Trp Gly Pro Arg Phe Lys Lys
885 890 895
Leu Ala Asp Met Tyr Gly Gly Gly Asp Asp
900 905
<210> 11
<211> 882
<212> PRT
<213> 人工序列
<220>
<223>
<400> 11
Met Gly Pro Trp Ser Arg Ser Leu Ser Ala Leu Leu Leu Leu Leu Gln
1 5 10 15
Val Ser Ser Trp Leu Cys Gln Glu Pro Glu Pro Cys His Pro Gly Phe
20 25 30
Asp Ala Glu Ser Tyr Thr Phe Thr Val Pro Arg Arg His Leu Glu Arg
35 40 45
Gly Arg Val Leu Gly Arg Val Asn Phe Glu Asp Cys Thr Gly Arg Gln
50 55 60
Arg Thr Ala Tyr Phe Ser Leu Asp Thr Arg Phe Lys Val Gly Thr Asp
65 70 75 80
Gly Val Ile Thr Val Lys Arg Pro Leu Arg Phe His Asn Pro Gln Ile
85 90 95
His Phe Leu Val Tyr Ala Trp Asp Ser Thr Tyr Arg Lys Phe Ser Thr
100 105 110
Lys Val Thr Leu Asn Thr Val Gly His His His Arg Pro Pro Pro His
115 120 125
Gln Ala Ser Val Ser Gly Ile Gln Ala Glu Leu Leu Thr Phe Pro Asn
130 135 140
Ser Ser Pro Gly Leu Arg Arg Gln Lys Arg Asp Trp Val Ile Pro Pro
145 150 155 160
Ile Ser Cys Pro Glu Asn Glu Lys Gly Pro Phe Pro Lys Asn Leu Val
165 170 175
Gln Ile Lys Ser Asn Lys Asp Lys Glu Gly Lys Val Phe Tyr Ser Ile
180 185 190
Thr Gly Gln Gly Ala Asp Thr Pro Pro Val Gly Val Phe Ile Ile Glu
195 200 205
Arg Glu Thr Gly Trp Leu Lys Val Thr Glu Pro Leu Asp Arg Glu Arg
210 215 220
Ile Ala Thr Tyr Thr Leu Phe Ser His Ala Val Ser Ser Asn Gly Asn
225 230 235 240
Ala Val Glu Asp Pro Met Glu Ile Leu Ile Thr Val Thr Asp Gln Asn
245 250 255
Asp Asn Lys Pro Glu Phe Thr Gln Glu Val Phe Lys Gly Ser Val Met
260 265 270
Glu Gly Ala Leu Pro Gly Thr Ser Val Met Glu Val Thr Ala Thr Asp
275 280 285
Ala Asp Asp Asp Val Asn Thr Tyr Asn Ala Ala Ile Ala Tyr Thr Ile
290 295 300
Leu Ser Gln Asp Pro Glu Leu Pro Asp Lys Asn Met Phe Thr Ile Asn
305 310 315 320
Arg Asn Thr Gly Val Ile Ser Val Val Thr Thr Gly Leu Asp Arg Glu
325 330 335
Ser Phe Pro Thr Tyr Thr Leu Val Val Gln Ala Ala Asp Leu Gln Gly
340 345 350
Glu Gly Leu Ser Thr Thr Ala Thr Ala Val Ile Thr Val Thr Asp Thr
355 360 365
Asn Asp Asn Pro Pro Ile Phe Asn Pro Thr Thr Tyr Lys Gly Gln Val
370 375 380
Pro Glu Asn Glu Ala Asn Val Val Ile Thr Thr Leu Lys Val Thr Asp
385 390 395 400
Ala Asp Ala Pro Asn Thr Pro Ala Trp Glu Ala Val Tyr Thr Ile Leu
405 410 415
Asn Asp Asp Gly Gly Gln Phe Val Val Thr Thr Asn Pro Val Asn Asn
420 425 430
Asp Gly Ile Leu Lys Thr Ala Lys Gly Leu Asp Phe Glu Ala Lys Gln
435 440 445
Gln Tyr Ile Leu His Val Ala Val Thr Asn Val Val Pro Phe Glu Val
450 455 460
Ser Leu Thr Thr Ser Thr Ala Thr Val Thr Val Asp Val Leu Asp Val
465 470 475 480
Asn Glu Ala Pro Ile Phe Val Pro Pro Glu Lys Arg Val Glu Val Ser
485 490 495
Glu Asp Phe Gly Val Gly Gln Glu Ile Thr Ser Tyr Thr Ala Gln Glu
500 505 510
Pro Asp Thr Phe Met Glu Gln Lys Ile Thr Tyr Arg Ile Trp Arg Asp
515 520 525
Thr Ala Asn Trp Leu Glu Ile Asn Pro Asp Thr Gly Ala Ile Ser Thr
530 535 540
Arg Ala Glu Leu Asp Arg Glu Asp Phe Glu His Val Lys Asn Ser Thr
545 550 555 560
Tyr Thr Ala Leu Ile Ile Ala Thr Asp Asn Gly Ser Pro Val Ala Thr
565 570 575
Gly Thr Gly Thr Leu Leu Leu Ile Leu Ser Asp Val Asn Asp Asn Ala
580 585 590
Pro Ile Pro Glu Pro Arg Thr Ile Phe Phe Cys Glu Arg Asn Pro Lys
595 600 605
Pro Gln Val Ile Asn Ile Ile Asp Ala Asp Leu Pro Pro Asn Thr Ser
610 615 620
Pro Phe Thr Ala Glu Leu Thr His Gly Ala Ser Ala Asn Trp Thr Ile
625 630 635 640
Gln Tyr Asn Asp Pro Thr Gln Glu Ser Ile Ile Leu Lys Pro Lys Met
645 650 655
Ala Leu Glu Val Gly Asp Tyr Lys Ile Asn Leu Lys Leu Met Asp Asn
660 665 670
Gln Asn Lys Asp Gln Val Thr Thr Leu Glu Val Ser Val Cys Asp Cys
675 680 685
Glu Gly Ala Ala Gly Val Cys Arg Lys Ala Gln Pro Val Glu Ala Gly
690 695 700
Leu Gln Ile Pro Ala Ile Leu Gly Ile Leu Gly Gly Ile Leu Ala Leu
705 710 715 720
Leu Ile Leu Ile Leu Leu Leu Leu Leu Phe Leu Arg Arg Arg Ala Val
725 730 735
Val Lys Glu Pro Leu Leu Pro Pro Glu Asp Asp Thr Arg Asp Asn Val
740 745 750
Tyr Tyr Tyr Asp Glu Glu Gly Gly Gly Glu Glu Asp Gln Asp Phe Asp
755 760 765
Leu Ser Gln Leu His Arg Gly Leu Asp Ala Arg Pro Glu Val Thr Arg
770 775 780
Asn Asp Val Ala Pro Thr Leu Met Ser Val Pro Arg Tyr Leu Pro Arg
785 790 795 800
Pro Ala Asn Pro Asp Glu Ile Gly Asn Phe Ile Asp Glu Asn Leu Lys
805 810 815
Ala Ala Asp Thr Asp Pro Thr Ala Pro Pro Tyr Asp Ser Leu Leu Val
820 825 830
Phe Asp Tyr Glu Gly Ser Gly Ser Glu Ala Ala Ser Leu Ser Ser Leu
835 840 845
Asn Ser Ser Glu Ser Asp Lys Asp Gln Asp Tyr Asp Tyr Leu Asn Glu
850 855 860
Trp Gly Asn Arg Phe Lys Lys Leu Ala Asp Met Tyr Gly Gly Gly Glu
865 870 875 880
Asp Asp
<210> 12
<211> 1410
<212> DNA
<213> 人工序列
<220>
<223>
<400> 12
atgtgtgacc tcattgagcc gcagccggcc gagaagatcg gcaagatgaa gaagttgcgg 60
agaactttgt cggagagttt cagtcgcatt gctttgaaga aagatgacac cacctttgat 120
gagatatgtg tcacaaagat gtctacacgg aactgccagg gaatggactc agtgatcaaa 180
cccctggaca caattcctga ggataaaaaa gtcagagttc agaggacaca gagcactttt 240
gacccatttg agaaaccagc taatcaagta aagagggtgc attctgagaa caatgcttgc 300
attaacttta agacctcctc cactggcaaa gagtcaccta aagttaggcg gcactccagc 360
cccagctcgc caacaagtcc caaatttgga aaagctgact catatgaaaa gctggaaaaa 420
ctaggggaag gatcttatgc tacagtatac aaagggaaaa gcaaggtaaa tgggaagttg 480
gtagctctga aggtgatcag gctgcaggaa gaagaaggga cacctttcac agctatcagg 540
gaagcttctc ttttaaaagg actaaaacat gctaacatag tgctacttca tgacatcatc 600
cataccaagg agacgctgac acttgtgttt gaatatgtgc acactgattt atgtcagtac 660
atggacaagc accctggggg gctgcatcca gataatgtga agttgttttt atttcagttg 720
ctgcgaggtc tgtcttacat ccaccagcgt tatattttgc acagagacct gaaaccacag 780
aaccttctga tcagtgacac gggggagtta aagctggcag atttcggtct tgcaagagca 840
aaatccgtcc ctagccacac atactccaac gaagtggtta ccttgtggta cagacctcca 900
gatgtccttc taggctcaac agaatattcc acctgccttg acatgtgggg agtaggttgc 960
atctttgttg aaatgatcca aggagttgct gcttttccag gaatgaaaga cattcaggat 1020
caacttgaac gaatatttct ggttcttgga acaccaaatg aggacacatg gcctggagtt 1080
cattctttac cacattttaa gccagaacgc tttaccctgt acagctctaa aaaccttaga 1140
caagcatgga ataagctcag ctatgtgaac catgcagagg acctggcctc caagctccta 1200
caatgttccc caaagaacag actgtcggca caggctgcct tgagccacga gtattttagt 1260
gacctgccgc cacggctatg ggaactcacc gacatgtctt ctatttttac tgtcccaaat 1320
gtgagattgc aaccagaagc tggagaaagc atgcgggcct ttgggaaaaa caatagttat 1380
ggcaaaagtc tatcaaacag caagcactga 1410
<210> 13
<211> 3470
<212> DNA
<213> 人工序列
<220>
<223>
<400> 13
caagcagcac attctcaaga gcacacagga ttaagttgtc atcattctgg gaagaaaaaa 60
aaaacattaa tgaagaggcc aataatatga agggaatcat ggatcagttt tctttcgctc 120
cctgtggtgg atttcactta caagaaaatt gaagctggca agaccctgtt ttctctgcaa 180
tttatttaaa accttgcacg catttggata ccttgtgatt tccaagaact acgtgaagat 240
taagctttgc ttactgatac atggcatgta ttcttttcag tcttttgtgt ttgattttgt 300
ttgatttccc tctgcagcac agcgtctctg taaaggtttt tatgctttca ccagccatgt 360
cttaaataca ttaagacaac acatttggtg ttcacacttc ttcagtaatg tctgaacttg 420
aaagccacag agtggcataa aacaatgtgt gttttctttg agagcagtgc acattttgca 480
accactagga aggaaatttt ctgctaaagc aaacccctgt tctctgactt gacaacttgg 540
ccccggactg tggggcccca cctgttgctt accttttgag gtaattttgc aaatgtggtt 600
tttttacttg gaaataactg cacatttata tataggatat tggactctgc ttagcatttt 660
caagccacat agcatgactg ttttttgaat aggttggaat tgaaaaaaca attatcaaac 720
gttaagaaca aagacaggga taaattgctt acatttcaac ctctggagat tgaggtaact 780
ttttgtgtct gggtcttgtc aacatctaat ttttttccat ccattctgtt acactttgta 840
ttttctaact ggagaaaaga gtgaggaaca gaatgtttta aatctggtgc aaaagaacta 900
tatctgctgg atgagccttg aaagcagtct tggcctgtta gggcttacaa agtaaattac 960
aaagtgatcc agttcaaagt ttgcttagtt acaacaaagc acctttaaaa aaaatacatt 1020
ttaaaaaaac attccaagcc aattggaaga catcattggg ttcttacttt aagacatctc 1080
ctggaataac tgttcaaatg caggttttag aaacaatgca ggaatcttgc tttaaagatg 1140
aaaaagggaa tgggccagct tcccttactc aaggagttga gggaccttgg aggatgaagg 1200
cgagtatgtg acactggaga aaagtggacc aggcatgtct tttgctttga tctggaggga 1260
gggctgcctg atgcaggccg gctcccagtg gggcaggcct cgctgcagaa tgcccagtag 1320
tactgcggcc aaggggacag ttaggagact tcatctaaag catgaaacct agctcctcta 1380
cacacaaatt cctatggaaa tacctttgtg tacagtgtct tacattttcc tattagtcag 1440
aaagaaggag agaatgagtg agtgcttgaa atgtgtcata ctgttttagg atcaagacta 1500
ggaattagga gccaggttga caaggacttt ttctgagagt tgggtgaggg taaagctttt 1560
ctataatcaa gctcaataca ccaaggaaac tggatccaga attcctaaac tttaaaatgg 1620
tactgtctgc ggagtggagt atggatggtt atgtcaaagt catagttcat cctatccaga 1680
tgtagcattc atggtaaact tttaagtgct aagcaaggaa ttatttactg attggtttta 1740
aagagagcag aaaacaccca agtgtagaat gtctactgtt tgctacctag aaatcttttc 1800
cattcctctt tcatacattc caacccactg gaagtcttta gaggtatttt gatttaaagt 1860
atacttaaat taggatttct taaagaaaac atagggagaa aactttacat gcaattaaaa 1920
atggactttc ctgtgatttg tttttaatca ttcatttgga gaagaggcat gacctttgta 1980
tttcactaag tttaaagcaa gagcaactga tgattaaatg ttgcttttta ataaggtttt 2040
taacttgaaa atttgaaaat atttaatgtt gaaagacttc aattagggct attagagtta 2100
tatctccctg tcgtaggcag cttcttcgga gaagtgaaat ataacattac tcagtggacg 2160
gagaaatctg ttttgttaca gagacatgcc tctcagaagg tcaggaggtt ttgagtacct 2220
atccttgcca cccatacagg aaatccaaag tttggtgtct ctctctctct gtctctttct 2280
ttctctttct ccccccaaac ccctctcact ccctccctcc ctctctcctt cccctatttg 2340
caatcatatt ctccctctgc ttcttttctc ttctgccctc cttgtgggca gtcatgaaaa 2400
tcaattcaga ctgtgttgat tagcagattt attattctat tgagaaagca ctggaatgtt 2460
ttgtgagatt atttttatat gaaggaatag cctgaactca aacagatggt aagaatagta 2520
caaacacctt agcacatcac tgcacacaca gtattctgaa aggagatttg acacttaatt 2580
cccattttct taaaataaca gttttgttga cttaaaaata tgagatacat aggatgtgaa 2640
aaaaaatgtt tgcagtactc agcaaaaaat agggtacata aagcagggtg gctgtccatc 2700
cactgattct ggggtgagaa gcgatttcta cctcgcaaga gtgactagaa agtttctagg 2760
agcacctcca ggcttgcaaa gaaagtgagg cctcttggta tcctttcctc agtgtgtata 2820
tgacagccag tataatcaat accctaggtt atgcgtctat atgatactca tctgtgaata 2880
ttattggttt tgtaatcttt gttatataag aggatgttta ggctgtatat actggggtag 2940
attattgcct gccccttata cataggaata tgctgcataa ttgcgcataa cttccatctc 3000
ccttactggc ttgtaggcag aggaaactgt atatgttact gccttgtact tttctcatac 3060
accaaaaaca caccaaaaaa atcaataaaa taagcaatct tctattctca ttccttttcc 3120
cacagcagca tattttagag gcacatacaa aacctacatt ctctagttgg gagtggattt 3180
ttaaagtttt ccttttatct tttatttttt tttgtatgat gcactgagat gtgtactttc 3240
taacagggga ttggtaccta agaaatgtgg tagcattatt cagaaaacta ttatactttc 3300
aaatgacaca tagtaaggag aatggaataa tacatgttgc atatttgtta ccagttgtaa 3360
tttgtctgta ttatgaaaga tgtaatggtt tgtcagctgt cactgttgtt ttcttgtaac 3420
atgatatgga ataaagtata gcagaatctc cgtaaaaaaa aaaaaaaaaa 3470
<210> 14
<211> 3470
<212> DNA
<213> 人工序列
<220>
<223>
<400> 14
caagcagcac attctcaaga gcacacagga ttaagttgtc atcattctgg gaagaaaaaa 60
aaaacattaa tgaagaggcc aataatatga agggaatcat ggatcagttt tctttcgctc 120
cctgtggtgg atttcactta caagaaaatt gaagctggca agaccctgtt ttctctgcaa 180
tttatttaaa accttgcacg catttggata ccttgtgatt tccaagaact acgtgaagat 240
taagctttgc ttactgatac atggcatgta ttcttttcag tcttttgtgt ttgattttgt 300
ttgatttccc tctgcagcac agcgtctctg taaaggtttt tatgctttca ccagccatgt 360
cttaaataca ttaagacaac acatttggtg ttcacacttc ttcagtaatg tctgaacttg 420
aaagccacag agtggcataa aacaatgtgt gttttctttg agagcagtgc acattttgca 480
accactagga aggaaatttt ctgctaaagc aaacccctgt tctctgactt gacaacttgg 540
ccccggactg tggggcccca cctgttgctt accttttgag gtaattttgc aaatgtggtt 600
tttttacttg gaaataactg cacatttata tataggatat tggactctgc ttagcatttt 660
caagccacat agcatgactg ttttttgaat aggttggaat tgaaaaaaca attatcaaac 720
gttaagaaca aagacaggga taaattgctt acatttcaac ctctggagat tgaggtaact 780
ttttgtgtct gggtcttgtc aacatctaat ttttttccat ccattctgtt acactttgta 840
ttttctaact ggagaaaaga gtgaggaaca gaatgtttta aatctggtgc aaaagaacta 900
tatctgctgg atgagccttg aaagcagtct tggcctgtta gggcttacaa agtaaattac 960
aaagtgatcc agttcaaagt ttgcttagtt acaacaaagc acctttaaaa aaaatacatt 1020
ttaaaaaaac attccaagcc aattggaaga catcattggg ttcttacttt aagacatctc 1080
ctggaataac tgttcaaatg caggttttag aaacaatgca ggaatcttgc tttaaagatg 1140
aaaaagggaa tgggccagct tcccttactc aaggagttga gggaccttgg aggatgaagg 1200
cgagtatgtg acactggaga aaagtggacc aggcatgtct tttgctttga tctggaggga 1260
gggctgcctg atgcaggccg gctcccagtg gggcaggcct cgctgcagaa tgcccagtag 1320
tactgcggcc aaggggacag ttaggagact tcatctaaag catgaaacct agctcctcta 1380
cacacaaatt cctatggaaa tacctttgtg tacagtgtct tacattttcc tattagtcag 1440
aaagaaggag agaatgagtg agtgcttgaa atgtgtcata ctgttttagg atcaagacta 1500
ggaattagga gccaggttga caaggacttt ttctgagagt tgggtgaggg taaagctttt 1560
ctataatcaa gctcaataca ccaaggaaac tggatccaga attcctaaac tttaaaatgg 1620
tactgtctgc ggagtggagt atggatggtt atgtcaaagt catagttcat cctatccaga 1680
tgtagcattc atggtaaact tttaagtgct aagcaaggaa ttatttactg attggtttta 1740
aagagagcag aaaacaccca agtgtagaat gtctactgtt tgctacctag aaatcttttc 1800
cattcctctt tcatacattc caacccactg gaagtcttta gaggtatttt gatttaaagt 1860
atacttaaat taggatttct taaagaaaac atagggagaa aactttacat gcaattaaaa 1920
atggactttc ctgtgatttg tttttaatca ttcatttgga gaagaggcat gacctttgta 1980
tttcactaag tttaaagcaa gagcaactga tgattaaatg ttgcttttta ataaggtttt 2040
taacttgaaa atttgaaaat atttaatgtt gaaagacttc aattagggct attagagtta 2100
tatctccctg tcgtaggcag cttcttcgga gaagtgaaat ataacattac tcagtggacg 2160
gagaaatctg ttttgttaca gagacatgcc tctcagaagg tcaggaggtt ttgagtacct 2220
atccttgcca cccatacagg aaatccaaag tttggtgtct ctctctctct gtctctttct 2280
ttctctttct ccccccaaac ccctctcact ccctccctcc ctctctcctt cccctatttg 2340
caatcatatt ctccctctgc ttcttttctc ttctgccctc cttgtgggca gtcatgaaaa 2400
tcaattcaga ctgtgttgat tagcagattt attattctat tgagaaagca ctggaatgtt 2460
ttggtctcgg ctttttatat gaaggaatag cctgaactca aacagatggt aagaatagta 2520
caaacacctt agcacatcac tgcacacaca gtattctgaa aggagatttg acacttaatt 2580
cccattttct taaaataaca gttttgttga cttaaaaata tgagatacat aggatgtgaa 2640
aaaaaatgtt tgcagtactc agcaaaaaat agggtacata aagcagggtg gctgtccatc 2700
cactgattct ggggtgagaa gcgatttcta cctcgcaaga gtgactagaa agtttctagg 2760
agcacctcca ggcttgcaaa gaaagtgagg cctcttggta tcctttcctc agtgtgtata 2820
tgacagccag tataatcaat accctaggtt atgcgtctat atgatactca tctgtgaata 2880
ttattggttt tgtaatcttt gttatataag aggatgttta ggctgtatat actggggtag 2940
attattgcct gccccttata cataggaata tgctgcataa ttgcgcataa cttccatctc 3000
ccttactggc ttgtaggcag aggaaactgt atatgttact gccttgtact tttctcatac 3060
accaaaaaca caccaaaaaa atcaataaaa taagcaatct tctattctca ttccttttcc 3120
cacagcagca tattttagag gcacatacaa aacctacatt ctctagttgg gagtggattt 3180
ttaaagtttt ccttttatct tttatttttt tttgtatgat gcactgagat gtgtactttc 3240
taacagggga ttggtaccta agaaatgtgg tagcattatt cagaaaacta ttatactttc 3300
aaatgacaca tagtaaggag aatggaataa tacatgttgc atatttgtta ccagttgtaa 3360
tttgtctgta ttatgaaaga tgtaatggtt tgtcagctgt cactgttgtt ttcttgtaac 3420
atgatatgga ataaagtata gcagaatctc cgtaaaaaaa aaaaaaaaaa 3470

Claims (10)

1.如下(1)-(4)所示物质中的任一种在如下(a)-(e)至少一种中的应用:
(1)人源成熟miR216a;
(2)人源前体miR216a;
(3)编码(1)中所述人源成熟miR216a或(2)中所述人源前体miR216a的DNA分子;
(4)含有(3)中所述DNA分子的表达盒、重组载体或转基因细胞;
(a)制备用于抑制骨肉瘤细胞增殖的产品;
(b)制备用于抑制骨肉瘤细胞侵袭的产品;
(c)制备用于抑制骨肉瘤细胞迁移的产品;
(d)制备用于抑制骨肉瘤生长的产品;
(e)制备用于抑制骨肉瘤转移的产品。
2.如下(1)-(4)所示物质中的任一种在如下(f)-(g)至少一种中的应用:
(1)人源成熟miR216a;
(2)人源前体miR216a;
(3)编码(1)中所述人源成熟miR216a或(2)中所述人源前体miR216a的DNA分子;
(4)含有(3)中所述DNA分子的表达盒、重组载体或转基因细胞;
(f)制备用于抑制骨肉瘤细胞内CDK14蛋白表达的产品;
(g)制备用于抑制骨肉瘤细胞从G1期向S期过渡的产品。
3.如下(1)-(4)所示物质中的任一种在如下(h)-(n)至少一种中的应用:
(1)人源成熟miR216a;
(2)人源前体miR216a;
(3)编码(1)中所述人源成熟miR216a或(2)中所述人源前体miR216a的DNA分子;
(4)含有(3)中所述DNA分子的表达盒、重组载体或转基因细胞;
(h)制备用于抑制骨肉瘤细胞内LRP6蛋白磷酸化的产品;
(i)制备用于抑制骨肉瘤细胞内CCND1蛋白表达的产品;
(j)制备用于抑制骨肉瘤细胞内c-Myc蛋白表达的产品;
(k)制备用于抑制骨肉瘤细胞内PI3K蛋白磷酸化的产品;
(l)制备用于抑制骨肉瘤细胞内Akt蛋白磷酸化的产品;
(m)制备用于抑制N-cadherin蛋白的表达的产品;
(n)制备用于促进E-cadherin蛋白的表达的产品。
4.能够抑制如下(1)或(2)表达的物质在如下(a’)-(d’)至少一种中的应用:
(1)人源成熟miR216a;
(2)人源前体miR216a;
(a’)制备用于促进骨肉瘤细胞增殖的产品;
(b’)制备用于促进骨肉瘤细胞侵袭的产品;
(c’)制备用于促进骨肉瘤细胞迁移的产品;
(d’)制备用于促进骨肉瘤生长的产品;
(e’)制备用于促进骨肉瘤转移的产品。
5.能够抑制如下(1)或(2)表达的物质在如下(f’)-(g’)至少一种中的应用:
(1)人源成熟miR216a;
(2)人源前体miR216a;
(f’)制备用于促进骨肉瘤细胞内CDK14蛋白表达的产品;
(g’)制备用于促进骨肉瘤细胞从G1期向S期过渡的产品。
6.能够抑制如下(1)或(2)表达的物质在如下(h’)-(n’)至少一种中的应用:
(1)人源成熟miR216a;
(2)人源前体miR216a;
(h’)制备用于促进骨肉瘤细胞内LRP6蛋白磷酸化的产品;
(i’)制备用于促进骨肉瘤细胞内CCND1蛋白表达的产品;
(j’)制备用于促进骨肉瘤细胞内c-Myc蛋白表达的产品;
(k’)制备用于促进骨肉瘤细胞内PI3K蛋白磷酸化的产品;
(l’)制备用于促进骨肉瘤细胞内Akt蛋白磷酸化的产品;
(m’)制备用于促进N-cadherin蛋白的表达的产品;
(n’)制备用于抑制E-cadherin蛋白的表达的产品。
7.根据权利要求3-6中任一所述的应用,其特征在于:所述“能够抑制如下(1)或(2)表达的物质”为miR216a抑制剂。
8.根据权利要求1-7中任一所述的应用,其特征在于:
所述人源成熟miR216a为序列表中序列1所示的RNA分子;
所述人源前体miR216a为序列表中序列2所示的RNA分子;
编码所述人源成熟miR216a或所述人源前体miR216a的DNA分子为序列表中序列3所示的DNA分子。
9.根据权利要求1-8中任一所述的应用,其特征在于:所述CDK14蛋白的氨基酸序列如序列表中序列4所示;所述LRP6蛋白的氨基酸序列如序列表中序列5所示;所述CCND1蛋白的氨基酸序列如序列表中序列6所示;所述c-Myc蛋白的氨基酸序列如序列表中序列7所示;所述PI3K蛋白的氨基酸序列如序列表中序列8所示;所述Akt蛋白的氨基酸序列如序列表中序列9所示;所述N-cadherin蛋白的氨基酸序列如序列表中序列10所示;所述E-cadherin蛋白的氨基酸序列如序列表中序列11所示。
10.根据权利要求1-8中任一所述的应用,其特征在于:所述骨肉瘤细胞为骨肉瘤患者病灶处的细胞或者人骨肉瘤细胞系;
具体的,所述人骨肉瘤细胞系为143B细胞或者U2OS细胞。
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