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    • 23. 发明申请
    • PROGRESSION SUPPRESSED GENE 13 (PSGEN 13) AND USES THEREOF
    • 进行抑制基因13(PSGEN 13)及其用途
    • WO0216419A9
    • 2003-03-27
    • PCT/US0126795
    • 2001-08-27
    • UNIV COLUMBIAFISHER PAUL BKANG DONG-CHULSU ZAO-ZHONG
    • FISHER PAUL BKANG DONG-CHULSU ZAO-ZHONG
    • G01N33/53A61K38/00A61K48/00A61P9/00A61P35/00A61P35/02C07K14/47C07K16/18C12N5/06C12N5/10C12N15/09C12Q1/68G01N33/566G01N33/574C12N15/00
    • C07K14/4703A61K38/00
    • The invention provides for isolated nucleic acids encoding Progression Suppressed Gene 13 (PS Gen 13) proteins, vectors comprising said nucleic acids, isolated PSGen 13 proteins, and methods of using such molecules to prevent the growth of cancer cells and/or new blood vessels and accordingly to treat patients suffering from cancer. It is based, at least in part, on the characterization of the complete cDNAs encoding rat and human PSGen 13, and on the discovery that increased levels of PSGen 13 expression can suppress the transformed phenotype and inhibit the activities of promoter elements associated with cancer progression and angiogenesis. In various embodiments, the present invention provides a method for inhibiting growth of a cancer cell which comprises contacting the cancer cell with a nucleic acid encoding a PSGen 13 protein, a PSGen 13 protein or a PSGen 13 activator compound in a sufficient amount so as to inhibit growth of the cancer cell. The invention also provides a method for treating cancer in a subject which comprises contacting a cell of the subject with a nucleic acid encoding a PSGen 13 protein in a sufficient amount so as to cause the cell to express the PSGen 13 protein, thereby treating cancer in the subject.
    • 本发明提供了编码进展抑制基因13(PS Gen 13)蛋白的分离核酸,包含所述核酸的载体,分离的PSGen 13蛋白,以及使用这些分子来防止癌细胞和/或新血管生长的方法,以及 因此治疗癌症患者。 至少部分基于编码大鼠和人类PSGen13的完整cDNAs的表征,并且发现增加的PSGen13表达水平可以抑制转化的表型并抑制与癌症进展相关的启动子元件的活性 和血管发生。 在各种实施方案中,本发明提供了抑制癌细胞生长的方法,其包括将足够量的癌细胞与编码PSGen13蛋白,PSGen13蛋白或PSGen13激活剂化合物的核酸接触,以便 抑制癌细胞的生长。 本发明还提供了一种治疗受试者的癌症的方法,其包括将受试者的细胞与编码PSGen 13蛋白的核酸充分接触,以使细胞表达PSGen13蛋白,从而治疗癌症 主题。
    • 28. 发明申请
    • METHOD FOR RAPID SUBTRACTION HYBRIDIZATION TO ISOLATE A GENE WHICH IS DIFFERENTIALLY EXPRESSED BETWEEN TWO POPULATIONS OF CELLS
    • 用于快速分离杂交以分离在两个细胞群体之间差异显着的基因的方法
    • WO0231205A3
    • 2003-05-08
    • PCT/US0131811
    • 2001-10-11
    • UNIV COLUMBIAFISHER PAUL BJIANG HONGPING
    • FISHER PAUL BJIANG HONGPING
    • C12Q1/68C12N9/50
    • C12Q1/6809C12Q2539/101
    • The present invention provides for methods for rapid subtraction hybridization of two pools of double-stranded cDNA to isolate a differentially expressed gene which comprises: isolating RNA from a first and a second population of cells; producing a first and second double-stranded cDNA pool; admixing the first and second pools of cDNA separately with a first restriction enzyme; admixing the digested first pool and second pool of cDNA with an appropriate amount of a double-stranded oligonucleotide; wherein the oligonucleotide sequence comprises (i) an internal recognition site for a second restriction enzyme and (ii) a ligatable cohesive end at one end which is capable of hybridizing with a ligatable cohesive end resulting from digestion of the first pool of cDNA with the first restriction enzyme; performing two separate polymerase chain reactions (PCR) using an aliquot of the ligation mixture (tester cDNA or driver cDNA) admixed with a PCR primer; digesting the PCR products of the tester cDNA with the second restriction enzyme under appropriate digestion conditions; admixing an aliquot of the digestion product (tester cDNA) with an excess of driver cDNA PCR products under hybridization conditions, so as to isolate a differentially expressed gene from among the two pools of double-stranded DNA.
    • 本发明提供了两个双链cDNA集合进行快速减法杂交以分离差异表达基因的方法,其包括:从第一和第二细胞群分离RNA; 产生第一和第二双链cDNA库; 将第一和第二组cDNA与第一限制酶分开混合; 用合适量的双链寡核苷酸混合消化的第一个池和第二个cDNA库; 其中所述寡核苷酸序列包含(i)第二限制性内切酶的内部识别位点和(ii)一端的可连接的粘性末端,其能够与第一个cDNA融合产生的可连接的粘性末端杂交, 限制酶; 使用与PCR引物混合的连接混合物的等分试样(测试cDNA或驱动cDNA)进行两个单独的聚合酶链反应(PCR); 在适当的消化条件下用第二限制酶消化测试cDNA的PCR产物; 在杂交条件下将消化产物(测试cDNA)的等分试样与过量的驱动cDNA PCR产物混合,以从两个双链DNA的两个库中分离出差异表达的基因。