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    • 34. 发明申请
    • Molecular Signature of the Pten Tumor Suppressor
    • Pten肿瘤抑制因子的分子标记
    • US20070253953A1
    • 2007-11-01
    • US10582841
    • 2004-12-15
    • Charlie ChenCharles Sawyers
    • Charlie ChenCharles Sawyers
    • A61K39/395C12Q1/68
    • C12Q1/6886C12Q2600/112C12Q2600/118C12Q2600/136
    • The present invention relates to the identification a molecular signature for PTEN tumor suppressor. The molecular signature comprising a gene or genes that are of use for diagnosis, prognosis, drug research and development and therapeutics. Specifically, the present invention relates to identification of IGFBP2 gene, its mRNA and/or protein products that closely associate with PTEN mutations. The present invention further demonstrates that IGFBP2 expression is negatively regulated by PTEN, positively regulated by PI3K and Akt activation, that IGFBP2 plays a functional role in the PTEN signaling and is required for Akt transformation. The use of IGFBP2 gene, its gene product such as its RNA transcript, protein and molecular probes in diagnosis, prognosis, drug discovery and validation and therapeutic target and therapeutics is also contemplated.
    • 本发明涉及鉴定PTEN肿瘤抑制因子的分子特征。 该分子标记包括用于诊断,预后,药物研究和开发以及治疗用途的基因或基因。 具体地说,本发明涉及与PTEN突变密切相关的IGFBP2基因,其mRNA和/或蛋白质产物的鉴定。 本发明进一步证明IGFBP2表达受PTEN负调节,由PI3K和Akt活化正调节,IGFBP2在PTEN信号中起着功能作用,是Akt转化所必需的。 还考虑使用IGFBP2基因,其基因产物如其RNA转录物,蛋白质和分子探针在诊断,预后,药物发现和验证以及治疗靶标和治疗剂中。