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    • 28. 发明申请
    • SERINE PROTEASE INHIBITOR KAZAL ANTIBODIES
    • 丝氨酸蛋白酶抑制剂KAZAL抗体
    • US20140308657A1
    • 2014-10-16
    • US13991943
    • 2011-12-07
    • Xuanyong LuTimothy M. Block
    • Xuanyong LuTimothy M. Block
    • G01N33/569C07K16/38
    • G01N33/56983C07K16/38C07K2317/34C12Q1/37G01N33/57438G01N33/5761G01N33/5767G01N2800/50
    • This invention describes a relevant etiology of cancer and a novel anti-cancer therapeutic strategy, based on the discovery that a protein named serine protease inhibitor (SPIK/SPINK/PSTI) was up-regulated by hepatitis B and C virus infections consequently suppressing the cell apoptosis. Accordingly, this invention provides an inhibitor of SPIK and/or a technology of suppression of over-expression of SPIK in cells. The inhibitors include: 1) chemical compounds, which can inhibit SPIK transcripts, protein activity, and gene expression, 2) SPIK siRNA (RNAi gene silence or dsRNA of SPIK, 3) DNA anti-sense and anti-SPIK antibody. Further, this invention provides a method of using the inhibitor as an anti-cancer agent to re-instate cancer cell apoptosis (e.g., serine protease dependent cell apoptosis). Also provided is an anti-SPIK antibody specific for an epitope comprising the first nine amino acids of intact SPIK. Further, a diagnostic kit is provided comprising at least one antibody specific for an epitope comprising the first nine amino acids of intact SPIK to diagnose patients exhibiting disease symptoms or at risk for developing a disease, wherein the disease is HBV infection, HCV infection, hepatitis, cancer or hepatic cancer.
    • 本发明描述了癌症的相关病因和新型抗癌治疗策略,基于以下发现:称为丝氨酸蛋白酶抑制剂(SPIK / SPINK / PSTI)的蛋白质被乙型和丙型肝炎病毒感染上调,从而抑制细胞 凋亡。 因此,本发明提供了SPIK抑制剂和/或抑制细胞中SPIK过度表达的技术。 抑制剂包括:1)可抑制SPIK转录物,蛋白质活性和基因表达的化合物,2)SPIK siRNA(SPIK的RNAi基因沉默或dsRNA,3)DNA反义和抗SPIK抗体。 此外,本发明提供了使用该抑制剂作为抗癌剂来重新制备癌细胞凋亡(如丝氨酸蛋白酶依赖性细胞凋亡)的方法。 还提供了对包含完整SPIK的前9个氨基酸的表位特异的抗SPIK抗体。 此外,提供了诊断试剂盒,其包含至少一种特异于包含完整SPIK的前九个氨基酸的表位的抗体,以诊断表现出疾病症状或处于发展疾病的风险的患者,其中所述疾病是HBV感染,HCV感染,肝炎 ,癌症或肝癌。
    • 30. 发明申请
    • MIR-155 ENHANCEMENT OF CD8+ T CELL IMMUNITY
    • MIR-155增强CD8 + T细胞免疫
    • US20140120136A1
    • 2014-05-01
    • US14051895
    • 2013-10-11
    • The Babraham InstitutePhiladelphia Health & Education Corporation d/b/a Drexel University College of Medicine
    • Peter D. KatsikisDonald T. GraciasMartin Turner
    • C12N15/113
    • C12N15/113A61K35/17C12N5/0636C12N2310/141C12N2501/65
    • The present invention provides novel methods of enhancing CD8+ T cell mediated immunity (also referred to as “CD8+ T cell immunity”) in a patient having a diseased state. In particular, the present invention provides for the enhanced expression of miR-155 in a population of patient specific T cells through the introduction of a nucleic acid molecule encoding a miR-155 transcript or a nucleic acid molecule encoding a chimeric antigen receptor and a miR-155 transcript into those cells, followed by the reintroduction of the T cells into the patient. The present invention also provides methods of enhancing the expansion of these T cells relative to control cells. Increased expansion of CD8+ T cells following enhanced miR-155 expression is directly related to enhanced CD8+ T cell immunity. The present invention further provides methods of enhancing anti-cancer immunity in a patient through the increased expression of miR-155 in patient specific T cells.
    • 本发明提供了具有疾病状态的患者中增强CD8 + T细胞介导的免疫(也称为“CD8 + T细胞免疫”)的新方法。 特别地,本发明通过引入编码miR-155转录物的核酸分子或编码嵌合抗原受体和miR的核酸分子来提供miR-155在患者特异性T细胞群体中的增强表达 -155转录到这些细胞中,随后将T细胞重新引入患者体内。 本发明还提供了相对于对照细胞增强这些T细胞的扩增的方法。 增强的miR-155表达后CD8 + T细胞的增加与增强的CD8 + T细胞免疫直接相关。 本发明还提供了通过增加miR-155在患者特异性T细胞中的表达来增强患者抗癌免疫的方法。