CN111067907A - 孕激素在抑制血管内皮生长因子表达中的应用 - Google Patents
孕激素在抑制血管内皮生长因子表达中的应用 Download PDFInfo
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Abstract
本发明公开了孕激素在抑制血管内皮生长因子表达中的应用。抑制血管内皮生长因子表达通过抑制血管内皮生长因子的启动子和/或5’UTR的活性来实现。血管内皮生长因子为血管内皮生长因子C。血管内皮生长因子C的启动子和5’UTR的核苷酸序列如序列表中序列1所示。本发明具有重要的应用价值。
Description
技术领域
本发明属于生物医药领域,具体涉及孕激素在抑制血管内皮生长因子表达中的应用。
背景技术
雌激素和孕激素(progesterone)严格调控正常子宫内膜腺上皮细胞的生长和分化。雌激素可促进子宫内膜腺上皮细胞增生,而内源性孕激素具有保护腺上皮细胞过度增生的作用。雌激素替代疗法中,孕激素与雌激素联合使用可以预防子宫内膜腺癌的发生,但高剂量的孕激素也可诱发细胞凋亡。
血管内皮生长因子(vascular endothelial growth factor,VEGF)是血管内皮细胞特异性的肝素结合生长因子,可在体内诱导血管新生。VEGF-C(vascular endothelialgrowth factor C,VEGF-C)是VEGF家族成员之一,其通过结合酪氨酸激酶受体和非酪氨酸激酶受体来激发信号传导通路,参与淋巴血管内皮细胞的增生、迁移及新生淋巴血管的生成。
发明内容
本发明的目的是抑制血管内皮生长因子表达。
本发明首先保护一种产品,其可含有孕激素;所述产品的功能可为抑制血管内皮生长因子表达。
上述产品中,所述“抑制血管内皮生长因子表达”可通过抑制血管内皮生长因子的启动子和/或5’UTR的活性来实现。
上述任一所述的产品中,所述血管内皮生长因子可为血管内皮生长因子C。
上述任一所述的产品中,所述血管内皮生长因子C的启动子和5’UTR的核苷酸序列可如序列表中序列1所示。
本发明还保护孕激素在抑制血管内皮生长因子表达中的应用。
本发明还保护孕激素在制备抑制血管内皮生长因子表达的产品中的应用。
上述任一所述的应用中,所述“抑制血管内皮生长因子表达”可通过抑制血管内皮生长因子的启动子和/或5’UTR的活性来实现。
上述任一所述的应用中,所述血管内皮生长因子可为血管内皮生长因子C。
上述任一所述的应用中,所述血管内皮生长因子C的启动子和5’UTR的核苷酸序列可如序列表中序列1所示。
上述任一所述血管内皮生长因子C可为如下a1)或a2)或a3):
a1)氨基酸序列是序列表中序列3所示的蛋白质;
a2)在序列表中序列3所示的蛋白质的N端或/和C端连接标签得到的融合蛋白质;
a3)将a1)或a2)所示的蛋白质经过一个或几个氨基酸残基的取代和/或缺失和/或添加得到的具有相同功能的蛋白质。
其中,序列表中序列3由714个氨基酸残基组成。
为了使a1)中的蛋白质便于纯化,可在序列表中序列3所示的蛋白质的氨基末端或羧基末端连接上如表1所示的标签。
表1.标签的序列
| 标签 | 残基 | 序列 |
| Poly-Arg | 5-6(通常为5个) | RRRRR |
| Poly-His | 2-10(通常为6个) | HHHHHH |
| FLAG | 8 | DYKDDDDK |
| Strep-tag II | 8 | WSHPQFEK |
| c-myc | 10 | EQKLISEEDL |
上述a3)中的蛋白质,所述一个或几个氨基酸残基的取代和/或缺失和/或添加为不超过10个氨基酸残基的取代和/或缺失和/或添加。
上述a3)中的蛋白质可人工合成,也可先合成其编码基因,再进行生物表达得到。
上述a3)中的蛋白质的编码基因可通过将序列表中序列2所示的DNA序列中缺失一个或几个氨基酸残基的密码子,和/或进行一个或几个碱基对的错义突变,和/或在其5′端和/或3′端连上表1所示的标签的编码序列得到。
编码上述任一所述血管内皮生长因子C的核酸分子可为如下b1)或b2)或b3)或b4)所示的DNA分子:
b1)编码区是序列表中序列2所示的DNA分子;
b2)核苷酸序列是序列表中序列2所示的DNA分子;
b3)与b1)或b2)限定的核苷酸序列具有75%或75%以上同一性,来源于人且编码所述血管内皮生长因子C的DNA分子;
b4)在严格条件下与b1)或b2)限定的核苷酸序列杂交,来源于人且编码所述血管内皮生长因子C的DNA分子。
其中,所述核酸分子可以是DNA,如cDNA、基因组DNA或重组DNA;所述核酸分子也可以是RNA,如mRNA或hnRNA等。
其中,序列表中序列2由2145个核苷酸组成,序列表中序列2的核苷酸编码序列表中序列3所示的氨基酸序列。
本领域普通技术人员可以很容易地采用已知的方法,例如定向进化和点突变的方法,对本发明的血管内皮生长因子C的核苷酸序列进行突变。那些经过人工修饰的,具有与本发明提供的血管内皮生长因子C的核苷酸序列80%或者更高同一性的核苷酸,只要编码血管内皮生长因子C,均是衍生于本发明的核苷酸序列并且等同于本发明的序列。
这里使用的术语“同一性”指与天然核酸序列的序列相似性。“同一性”包括与本发明的编码序列表中序列3所示的氨基酸序列组成的蛋白质的核苷酸序列具有80%或更高,或85%或更高,或90%或更高,或95%或更高同一性的核苷酸序列。同一性可以用肉眼或计算机软件进行评价。使用计算机软件,两个或多个序列之间的同一性可以用百分比(%)表示,其可以用来评价相关序列之间的同一性。
本发明还保护A1)或A2)。
A1)孕激素在预防和/或治疗子宫内膜癌中的应用。
A2)孕激素在制备用于预防和/或治疗子宫内膜癌的产品中的应用。
上述任一所述孕激素具体可为Sigma-Alorich公司产品。具体的,孕激素为Sigma-Alorich公司的、产品目录号为P0130的产品。
实验证明,孕激素通过抑制VEGF-C启动子和/或5’UTR的活性,下调VEGF-C基因和VEGF-C蛋白的表达。本发明具有重要的应用价值。
附图说明
图1为孕激素抑制VEGF-C基因的表达。
图2为孕激素对VEGF-C mRNA稳定性的影响。
图3为荧光酶活性检测结果。
具体实施方式
以下的实施例便于更好地理解本发明,但并不限定本发明。下述实施例中的实验方法,如无特殊说明,均为常规方法。下述实施例中所用的试验材料,如无特殊说明,均为自常规生化试剂商店购买得到的。以下实施例中的定量试验,均设置三次重复实验,结果取平均值。
下面结合具体实施方式对本发明进行进一步的详细描述,给出的实施例仅为了阐明本发明,而不是为了限制本发明的范围。
下述实施例中的实验方法,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。
以下实施例中的定量试验,均设置三次重复实验,结果取平均值。
Ishikawa细胞为Sigma-Alorich公司产品,产品目录号为99040201-1VL。pGL3basic载体中为Promega公司的产品,产品目录号为E1741。孕激素为Sigma-Alorich公司产品,产品目录号为P0130。雌激素为Sigma-Alorich公司产品,产品目录号为E1024。Lipofectamine 2000转染试剂为ThermoFisher Scientific公司的产品,产品目录号为11668019。
Actinomycin D溶液:将5mg Actinomycin D(Sigma公司产品)溶于2mL乙醇,然后用水定容至1L,最后使用0.22μm微孔滤膜过滤除菌。
实施例1、孕激素抑制VEGF-C基因的表达
设置孕激素处理试验组、雌激素处理试验组和对照组。
试验重复三次,每次重复的步骤如下:
1、孕激素处理试验组
(1)取Ishikawa细胞,加入胎牛血清和孕激素,得到处理体系。该处理体系中,孕激素的浓度为1×10-8M,胎牛血清的浓度为0.1%(v/v)。
(2)完成步骤(2)后,取所述处理体系,37℃处理36h。
(3)完成步骤(2)后,提取所述Ishikawa细胞的总RNA,然后进行cDNA第一条链合成反应,得到cDNA。向该cDNA中加入ddH2O,得到cDNA浓度为1000ng/μL的模板溶液。
(4)以步骤(3)得到的模板溶液为模板进行实时定量PCR检测,得到孕激素处理试验组中VEGF-C基因的相对表达量(以36B4基因为内参基因)。鉴定VEGF-C基因的引物为5’-AGGGTCAGGCAGCGAACAAGA-3’和5’-CCTCCTGAGCCAGGCATCTG-3’。内参为36B4基因,内参的引物为5’-ATACAGCAGATCCGCATG-3’和5’-TCATGGTGTTCTTGCCCATCA-3’。反应程序:95℃变性5min;95℃变性30s,60℃退火30s,72℃延伸30s,40个循环;72℃延伸10min。
2、雌激素处理试验组
按照步骤1的方法,将孕激素替换为雌激素,其它步骤均不变,得到雌激素处理试验组中VEGF-C基因的相对表达量(以36B4基因为内参基因)
3、对照组
将步骤1中的(1)替换为步骤(a),其它步骤均不变,得到对照组中VEGF-C基因的相对表达量。步骤(a)为:取Ishikawa细胞,加入胎牛血清,得到处理体系。该处理体系中,胎牛血清的浓度为0.1%(v/v)。
将对照组中VEGF-C基因的相对表达量作为1,计算试验组(孕激素处理试验组或雌激素处理试验组)中VEGF-C基因的相对表达量。比较对照组与试验组(孕激素处理试验组或雌激素处理试验组)的VEGF-C基因的相对表达量,进行t-test检验,计算P值。
孕激素处理试验组中VEGF-C基因的相对表达量见图1。结果表明,孕激素处理试验组和雌激素处理试验组中VEGF-C基因的相对表达量分别为对照组的0.42倍(p<0.01)和1.1倍(p>0.05)。因此,孕激素可以抑制VEGF-C基因的表达,而雌激素不可以抑制VEGF-C基因的表达。
实施例2、孕激素抑制VEGF-C基因的表达的机制
一、孕激素对VEGF-C mRNA稳定性的影响
设置孕激素处理试验组和对照组。
试验重复三次,每次重复的步骤如下:
1、孕激素处理试验组
(1)用0.25%胰蛋白酶消化处于对数生长期的Ishikawa细胞,然后用含10%(v/v)FBS的DMEM培养基重悬并稀释,获得细胞密度为6×106个/cm2的细胞悬浮液。
(2)完成步骤(1)后,取96孔培养板,每孔接种100μL步骤1获得的细胞悬浮液,37℃、5%CO2环境中培养24h。
(3)完成步骤(2)后,取所述96孔板,吸弃上层培养基,加入100μL含0.1%(v/v)FBS的DMEM培养基,37℃、5%CO2环境中培养24h。
(4)完成步骤(3)后,取所述96孔板,加入孕激素,得到处理体系(处理体系中的孕激素的浓度为5×10-8M),然后5%CO2、37℃培养0h、2h、4h、6h、8h、10h或12h,最后加入2μLActinomycin D溶液,继续5%CO2、37℃培养4h。孕激素每个处理时间设置3个复孔。
(5)完成步骤(4)后,取所述96孔板,吸弃上层培养基,收取Ishikawa细胞。
(6)完成步骤(5)后,提取所述Ishikawa细胞的总RNA,然后进行cDNA第一条链合成反应,得到cDNA,向上述cDNA加入ddH2O稀释,得到cDNA浓度为1000ng/μL的模板溶液。
(7)以步骤(6)得到的模板溶液为模板进行实时定量PCR检测,得到孕激素处理试验组中VEGF-C基因的相对表达量(以36B4基因为内参基因)。鉴定VEGF-C基因的引物为5’-AGGGTCAGGCAGCGAACAAGA-3’和5’-CCTCCTGAGCCAGGCATCTG-3’。内参为36B4基因,内参的引物为5’-ATACAGCAGATCCGCATG-3’和5’-TCATGGTGTTCTTGCCCATCA-3’。
2、对照组
(1)同步骤1中(1)。
(2)同步骤1中(2)。
(3)完成步骤(2)后,取所述96孔板,吸弃上层培养基,加入100μL含0.1%(v/v)FBS的DMEM培养基,37℃、5%CO2环境中培养24h、26h、28h、30h、32h、34h或36h,然后加入2μLActinomycin D溶液,继续5%CO2、37℃培养4h。
(4)完成步骤(3)后,取所述96孔板,吸弃上层培养基,收取Ishikawa细胞。
(5)完成步骤(4)后,提取所述Ishikawa细胞的总RNA,然后进行cDNA第一条链合成反应,得到cDNA,向上述cDNA加入ddH2O稀释,得到cDNA浓度为1000ng/μL的模板溶液。
(6)以步骤(5)得到的模板溶液为模板进行实时定量PCR检测,得到对照组中VEGF-C基因的相对表达量(以36B4基因为内参基因)。鉴定VEGF-C基因的引物和内参的引物同步骤1中(7)。
以孕激素处理试验组中处理时间为0h的VEGF-C基因的相对表达量作为1,孕激素处理试验组中其它处理时间的VEGF-C的相对表达量见图2。以对照组中加入含0.1%(v/v)FBS的DMEM培养基培养24h(即图2中的0h)的VEGF-C基因的相对表达量作为1,对照组中其它培养时间的VEGF-C基因的相对表达量见图2(培养26h即图2中的2h,培养28h即图2中的4h,培养30h即图2中的6h,培养32h即图2中的8h,培养34h即图2中的10h,培养36h即图2中的12h)。结果表明,孕激素处理试验组中VEGF-C的mRNA在每个时间点降解速度与对照组相比没有明显差别,VEGF-C的mRNA半衰期为2.5h。因此孕激素对VEGF-C的mRNA的稳定性基本无影响。
二、孕激素对VEGF-C启动子和/或5’UTR活性的影响
本发明的发明人采用报告基因荧光酶活性检测方法检测孕激素对VEGF-C启动子和/或5’UTR活性的影响。VEGF-C启动子和5’UTR的核苷酸序列如序列表中序列1所示。
1、重组质粒的获得
(1)重组质粒甲的构建
人工合成序列表中序列1自5’末端起第1至1193位所示的双链DNA分子1。将双链DNA分子1插入pGL3basic载体的限制性内切酶MluI和XhoI之间,得到重组质粒甲。
(2)重组质粒乙的构建
人工合成序列表中序列1自5’末端起第1至1041位所示的双链DNA分子2。将双链DNA分子2插入pGL3basic载体的限制性内切酶MluI和XhoI之间,得到重组质粒乙。
(3)重组质粒丙的构建
人工合成序列表中序列1自5’末端起第1至949位所示的双链DNA分子3。将双链DNA分子3插入pGL3basic载体的限制性内切酶MluI和XhoI之间,得到重组质粒丙。
(4)重组质粒丁的构建
人工合成序列表中序列1自5’末端起第1至848位所示的双链DNA分子4。将双链DNA分子4插入pGL3basic载体的限制性内切酶MluI和XhoI之间,得到重组质粒丁。
2、采用Lipofectamine 2000转染试剂将重组质粒(重组质粒甲、重组质粒乙、重组质粒丙或重组质粒丁)转染至Ishikawa细胞。
3、完成步骤2后6h,加入孕激素,得到处理体系。该处理体系中,孕激素的浓度为2×10-9M。将所述处理体系37℃处理30h,然后检测荧光酶活性。
4、完成步骤2后6h,加入乙醇(与步骤3中的孕激素体积相同),得到对照体系。将所述对照体系37℃处理30h,然后检测荧光酶活性。
重组质粒丁转染至Ishikawa细胞的荧光酶活性检测结果见图3。
结果表明,转染重组质粒甲、重组质粒乙、重组质粒丙或重组质粒丁的Ishikawa细胞的荧光酶活性明显受到孕激素的抑制。由此可见,孕激素通过抑制VEGF-C启动子和/或5’UTR的活性,下调VEGF-C基因的表达。
<110> 常州大学
<120> 孕激素在抑制血管内皮生长因子表达中的应用
<160> 3
<170> PatentIn version 3.5
<210> 1
<211> 1732
<212> DNA
<213> 人工序列
<220>
<223>
<400> 1
ccgagccatg ttctcaaccg catacttcat gaacatggaa agctaacagt atggttaagg 60
ggggaaactg gaactgtcat cttggggaat aaaagggata tttagccagg agtaaagtta 120
gcttagggag accatgataa atattttcaa aatatttgaa ggactcagtt gtggaagtga 180
gattagattt attgtgtaaa actccaggag tcaaaagcaa trgagagata gaaggaaayg 240
cytttcagca gtgttgctca tcaataaagg gagtgaacag ccacacagaa tggaaggttc 300
cctgtccttt gagatattta agccttcaag taaattatgg gtggggagtt tcaaatctag 360
agttgaacca gataagaaag tctcttcttc cggtaagata ttatggacct ataacatctg 420
tgtacttaaa agtagattgg gagtgaaagg cagacttttg atgttctgta cactgttgaa 480
accccttagc gtggtcctct gtaacctgct caccctgccc caaggaggca gctagccaat 540
gccaccagcc caacggaaac cccagtgctt ttccaatggg gaaatgcagt cacttttctt 600
tggatgctac acatcctttc tggaatatgt ctcacacaca tctctcttta tcaccccctt 660
tttcaagtaa accaacttct tgcagaagct gacaatgtgt ctctttactc tccacgaaga 720
ttctggccct tctcttcacc tgtcagaagt ttaggattcc aaagggatca ttagcatcca 780
tcccaacagc ctgcactgca tcctgagaac tgcggttctt ggatcatcag gcaactttca 840
actacacaga ccaagggaga gaggggaccc ctccgaggtc ccatagggtt ctctgacata 900
gtgatgacct tttcttggaa cttttacaac ccccaggaca tttccaaact ttgagcaggg 960
cgctgggggc caggcgtgcg ggagggagga taagaactcg ggagtggccg aggataaagc 1020
gggggctccc tccaccccac ggtgcccagt ttctccccgc tgcacgtggt ccagggtggt 1080
cgcatcacct ctaaagccgg tcccgccaac cgccagcccc gggactgaac ttgcccctcc 1140
ggccgcccgc tccccgcagg ggacaggggc ggggagggag agatccagag gggggcyggg 1200
ggaggtgggg ccgccgggga ggaggcgagg gaaacgggga gctccaggga gacggcttcc 1260
gagggagagt gagaggggag ggcagcccgg gctcggcacg ctccctccct cggccgcttt 1320
ctctcacata agcgcaggca gagggcgcgt cagtcatgcc ctgcccctgc gcccgccgcc 1380
gccgccgccg ccgctcagcc cggcgcgctc tggaggatcc tgcgccgcgg cgctcccggg 1440
ccccgccgcc gccagccgcc ccgccgccct cctcccgccc ccggcaccgc cgccagcgcc 1500
cccgccgcag cgcccgcggc ccggctcctc tcacttcggg gaaggggagg gaggaggggg 1560
acgagggctc tggcgggttt ggaggggctg aacatcgcgg ggtgttctgg tgtcccccgc 1620
cccgcctctc caaaaagcta caccgacgcg gaccgcggcg gcgtcctccc tcgccctcgc 1680
ttcacctcgc gggctccgaa tgcggggagc tcggatgtcc ggtttcctgt ga 1732
<210> 2
<211> 2145
<212> DNA
<213> 人工序列
<220>
<223>
<400> 2
atgggcagct gtgacctatt tgctgcctgc aaacagagca gtgttccatg gctaccccca 60
gacaatagcc aggaggcagg ctgggaacgc gtaggctgtc gttgccctga ttacgtgact 120
ctccatggtg gtctcaggat gactctgccg gtggtaacac caaacactac tgacacaaat 180
gactgttgtc gtatggtcat gatgccccct actctgtccc ttgttaaact ctgcccccct 240
ccctatccca ctctccggac cttagttccc atcgcatcgt gcatgatcag cttttattcg 300
tctggatgct ttcagttaat ggcgcaagaa cgtctgctgg aagagcagag gcttgccttg 360
cacacccgct ccacggccgc tatgtcctca tcacgttccc gccgccaagc ggcagatgaa 420
gggtcaagcc gaaatgtctt ccaaaggagg gaagtcgtgg aaaataacta cctggtttct 480
aaagaacaaa tatttgaagg tcctcatcat ctcttggatt actccagctg tgccctgcct 540
ggcatcccgc ccaagctgct tggcaccacc tatccataca aagtcatcgc cctaaagagc 600
attacctcca ctgatgaaac agatatagca actgcactgt gtctccagac aattgacttg 660
gacatagtgg acagcattca gagtcgcata agaaggcact atcaacagta ctcttggaaa 720
actagaaatt taaaggcaga atggtccata atcccttaca agaagtccct cagcataact 780
atgtctcaga atcttcaggt tttaggatct tcctcagtga acggtataac agatcttcac 840
actgaggagg cctcagggcc cctggccatg tctgaggttc tcacttggtt gcctcttaag 900
atcctgatga ctacgtgtca ggctttacca gctgtttctg tggatctgtg ttgtggttca 960
atcgtcacac tttgtaacta tgatgttgag catcttttca tgaacctctt agccactgga 1020
atactgtttt tggcttatgc aggcagagat ctggaggagc agttgcgttc agtgtccagt 1080
gtagacgagc tcatgaccgt actctaccca gaatattgga aaatgtacaa gtgtcagtta 1140
agaaaaggag gctggcatca tgctagagag caacccaacg tcaatacgag gacagaagag 1200
actataaaat tcgctgcagc ccattataat gcagagatct tgaaaagtat tgataatgag 1260
tggagaaaga ctcaatgcat gccacgtgag gtgtgtatag atgtggggaa ggagtttgga 1320
gcagccacaa acaccttctt taaacctcca tgtgtgtccg tctacagatg tggaggctgc 1380
tgcaacagcg aggggctaca gtgcatgaac accagcacaa gctacctcag caagacgttg 1440
tttgaaatta cagtgcctct ctctcaaggc cccaaaccag taaccatcag ttttgccaac 1500
cacacctcct gccggtgcat gtctaagctg gatgtttaca gacaagtcca ttcaattatt 1560
agacgttccc tgccagcaac actaccgcag tgtcaggctg caaacaagac ttgccccaca 1620
aattatatgt ggaataatca tatctgcaga tgcctggctc aacaggattt tattttttcc 1680
tctaacactg gagatgattc tccaggtgaa taccatgaca tctgtgggcc ccacaaagaa 1740
ctggatgaag aaacctgtca atgtgtctgc aaaggggggc tccggccctc cagctgtggg 1800
ccccacaaag aactggacag aaactcatgc cagtgtgtct gtaaaaacaa acttttcccc 1860
aactcttgtg gggccaacag agagtttgat gaaaacacgt gccagtgtgt atgtaaacgg 1920
acctgtccaa gaaatcaacc cctaaaccct gcaaaatgtg cctgtgaatg tacagaaaat 1980
ccacaaaaat gcttcttaaa aggaaagaag ttccaccatc aaacatgcag ttgttacaga 2040
cgaccgtgtc ctactcggct caagcattgt gagcagggac tttcattcag tgaagaggtg 2100
tgtcgctgtg tcccttccta ttggaaaagg ccacacgtga actaa 2145
<210> 3
<211> 714
<212> PRT
<213> 人工序列
<220>
<223>
<400> 3
Met Gly Ser Cys Asp Leu Phe Ala Ala Cys Lys Gln Ser Ser Val Pro
1 5 10 15
Trp Leu Pro Pro Asp Asn Ser Gln Glu Ala Gly Trp Glu Arg Val Gly
20 25 30
Cys Arg Cys Pro Asp Tyr Val Thr Leu His Gly Gly Leu Arg Met Thr
35 40 45
Leu Pro Val Val Thr Pro Asn Thr Thr Asp Thr Asn Asp Cys Cys Arg
50 55 60
Met Val Met Met Pro Pro Thr Leu Ser Leu Val Lys Leu Cys Pro Pro
65 70 75 80
Pro Tyr Pro Thr Leu Arg Thr Leu Val Pro Ile Ala Ser Cys Met Ile
85 90 95
Ser Phe Tyr Ser Ser Gly Cys Phe Gln Leu Met Ala Gln Glu Arg Leu
100 105 110
Leu Glu Glu Gln Arg Leu Ala Leu His Thr Arg Ser Thr Ala Ala Met
115 120 125
Ser Ser Ser Arg Ser Arg Arg Gln Ala Ala Asp Glu Gly Ser Ser Arg
130 135 140
Asn Val Phe Gln Arg Arg Glu Val Val Glu Asn Asn Tyr Leu Val Ser
145 150 155 160
Lys Glu Gln Ile Phe Glu Gly Pro His His Leu Leu Asp Tyr Ser Ser
165 170 175
Cys Ala Leu Pro Gly Ile Pro Pro Lys Leu Leu Gly Thr Thr Tyr Pro
180 185 190
Tyr Lys Val Ile Ala Leu Lys Ser Ile Thr Ser Thr Asp Glu Thr Asp
195 200 205
Ile Ala Thr Ala Leu Cys Leu Gln Thr Ile Asp Leu Asp Ile Val Asp
210 215 220
Ser Ile Gln Ser Arg Ile Arg Arg His Tyr Gln Gln Tyr Ser Trp Lys
225 230 235 240
Thr Arg Asn Leu Lys Ala Glu Trp Ser Ile Ile Pro Tyr Lys Lys Ser
245 250 255
Leu Ser Ile Thr Met Ser Gln Asn Leu Gln Val Leu Gly Ser Ser Ser
260 265 270
Val Asn Gly Ile Thr Asp Leu His Thr Glu Glu Ala Ser Gly Pro Leu
275 280 285
Ala Met Ser Glu Val Leu Thr Trp Leu Pro Leu Lys Ile Leu Met Thr
290 295 300
Thr Cys Gln Ala Leu Pro Ala Val Ser Val Asp Leu Cys Cys Gly Ser
305 310 315 320
Ile Val Thr Leu Cys Asn Tyr Asp Val Glu His Leu Phe Met Asn Leu
325 330 335
Leu Ala Thr Gly Ile Leu Phe Leu Ala Tyr Ala Gly Arg Asp Leu Glu
340 345 350
Glu Gln Leu Arg Ser Val Ser Ser Val Asp Glu Leu Met Thr Val Leu
355 360 365
Tyr Pro Glu Tyr Trp Lys Met Tyr Lys Cys Gln Leu Arg Lys Gly Gly
370 375 380
Trp His His Ala Arg Glu Gln Pro Asn Val Asn Thr Arg Thr Glu Glu
385 390 395 400
Thr Ile Lys Phe Ala Ala Ala His Tyr Asn Ala Glu Ile Leu Lys Ser
405 410 415
Ile Asp Asn Glu Trp Arg Lys Thr Gln Cys Met Pro Arg Glu Val Cys
420 425 430
Ile Asp Val Gly Lys Glu Phe Gly Ala Ala Thr Asn Thr Phe Phe Lys
435 440 445
Pro Pro Cys Val Ser Val Tyr Arg Cys Gly Gly Cys Cys Asn Ser Glu
450 455 460
Gly Leu Gln Cys Met Asn Thr Ser Thr Ser Tyr Leu Ser Lys Thr Leu
465 470 475 480
Phe Glu Ile Thr Val Pro Leu Ser Gln Gly Pro Lys Pro Val Thr Ile
485 490 495
Ser Phe Ala Asn His Thr Ser Cys Arg Cys Met Ser Lys Leu Asp Val
500 505 510
Tyr Arg Gln Val His Ser Ile Ile Arg Arg Ser Leu Pro Ala Thr Leu
515 520 525
Pro Gln Cys Gln Ala Ala Asn Lys Thr Cys Pro Thr Asn Tyr Met Trp
530 535 540
Asn Asn His Ile Cys Arg Cys Leu Ala Gln Gln Asp Phe Ile Phe Ser
545 550 555 560
Ser Asn Thr Gly Asp Asp Ser Pro Gly Glu Tyr His Asp Ile Cys Gly
565 570 575
Pro His Lys Glu Leu Asp Glu Glu Thr Cys Gln Cys Val Cys Lys Gly
580 585 590
Gly Leu Arg Pro Ser Ser Cys Gly Pro His Lys Glu Leu Asp Arg Asn
595 600 605
Ser Cys Gln Cys Val Cys Lys Asn Lys Leu Phe Pro Asn Ser Cys Gly
610 615 620
Ala Asn Arg Glu Phe Asp Glu Asn Thr Cys Gln Cys Val Cys Lys Arg
625 630 635 640
Thr Cys Pro Arg Asn Gln Pro Leu Asn Pro Ala Lys Cys Ala Cys Glu
645 650 655
Cys Thr Glu Asn Pro Gln Lys Cys Phe Leu Lys Gly Lys Lys Phe His
660 665 670
His Gln Thr Cys Ser Cys Tyr Arg Arg Pro Cys Pro Thr Arg Leu Lys
675 680 685
His Cys Glu Gln Gly Leu Ser Phe Ser Glu Glu Val Cys Arg Cys Val
690 695 700
Pro Ser Tyr Trp Lys Arg Pro His Val Asn
705 710
Claims (10)
1.一种产品,其含有孕激素;所述产品的功能为抑制血管内皮生长因子表达。
2.如权利要求1所述的产品,其特征在于:所述“抑制血管内皮生长因子表达”通过抑制血管内皮生长因子的启动子和/或5’UTR的活性来实现。
3.如权利要求1或2所述的产品,其特征在于:所述血管内皮生长因子为血管内皮生长因子C。
4.如权利要求1至3任一所述的产品,其特征在于:所述血管内皮生长因子C的启动子和5’UTR的核苷酸序列如序列表中序列1所示。
5.孕激素在抑制血管内皮生长因子表达中的应用。
6.孕激素在制备抑制血管内皮生长因子表达的产品中的应用。
7.如权利要求5或6所述的应用,其特征在于:所述“抑制血管内皮生长因子表达”通过抑制血管内皮生长因子的启动子和/或5’UTR的活性来实现。
8.如权利要求5至7任一所述的应用,其特征在于:所述血管内皮生长因子为血管内皮生长因子C。
9.如权利要求5至8任一所述的应用,其特征在于:所述血管内皮生长因子C的启动子和5’UTR的核苷酸序列如序列表中序列1所示。
10.A1)或A2):
A1)孕激素在预防和/或治疗子宫内膜癌中的应用;
A2)孕激素在制备用于预防和/或治疗子宫内膜癌的产品中的应用。
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Citations (4)
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| CN1305373A (zh) * | 1998-06-16 | 2001-07-25 | 辉瑞产品公司 | 含有选择性雌激素受体调节剂和甲状旁腺激素的治疗组合物 |
| CN101631536A (zh) * | 2007-01-12 | 2010-01-20 | 惠氏公司 | 片中片组合物 |
| CN103044325A (zh) * | 2012-12-12 | 2013-04-17 | 中国药科大学 | 一类茚并异喹啉类雌激素受体α调节剂的抗乳腺癌用途 |
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| CN1305373A (zh) * | 1998-06-16 | 2001-07-25 | 辉瑞产品公司 | 含有选择性雌激素受体调节剂和甲状旁腺激素的治疗组合物 |
| CN101631536A (zh) * | 2007-01-12 | 2010-01-20 | 惠氏公司 | 片中片组合物 |
| CN103044325A (zh) * | 2012-12-12 | 2013-04-17 | 中国药科大学 | 一类茚并异喹啉类雌激素受体α调节剂的抗乳腺癌用途 |
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