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    • 5. 发明申请
    • METHODS OF USING HUMAN PROTEIN KINASE C DELTA VIII AS A BIOMARKER
    • 使用人类蛋白激酶C DELTA VIII作为生物标记物的方法
    • WO2011103308A2
    • 2011-08-25
    • PCT/US2011/025269
    • 2011-02-17
    • U.S. DEPARTMENT OF VETERAN AFFAIRSUNIVERSITY OF SOUTH FLORIDAPATEL, Niketa, A.COOPER, Denise, A.
    • PATEL, Niketa, A.COOPER, Denise, A.
    • G01N33/68C12Q1/68C12N15/63
    • G01N33/57407G01N2333/91215G01N2800/28G01N2800/2814G01N2800/2821G01N2800/2835G01N2800/285
    • RA treatment can improve cognition; promote neurogenesis; and regulate alternative splicing of genes, particularly by mediating mechanisms of 5' splice site selection and generation of PKCδ alternatively spliced variants. Expression of PKCδVIII is an indicator of the levels of on-going apoptosis in neurons. In the aging brain, switching the isoform expression to PKCδVIII by RA could shield the cells from neuronal death. The inventors discovered that human PKCδVIII expression is increased in neuronal cancer and decreased in Alzheimer's disease. The data shows that PKCδVIII promotes neuronal survival and increases neurogenesis via Bcl2 and Bcl-xL. In addition, the trans-factor SC35 was found to be crucial in mediating the effects of RA on alternative splicing of PKCδVIII mRNA in neurons. The data described herein indicate that PKCδVIII can be used as a biomarker for neurological diseases such as cancers and Alzheimer's disease and as a tool for monitoring and evaluating treatment.
    • RA治疗可以改善认知; 促进神经发生; 并调节基因的可变剪接,特别是通过介导5'剪接位点选择和产生PKCd可变剪接变体的机制。 PKCdVIII的表达是神经元中正在进行的凋亡水平的指标。 在老化的大脑中,通过RA将同种型表达切换为PKCdVIII可以屏蔽细胞免受神经元死亡。 本发明人发现,人类PKCdVIII表达在神经元癌症中增加并且在阿尔茨海默病中降低。 数据显示PKCdVIII促进神经元存活并通过Bcl2和Bcl-xL增加神经发生。 另外,发现转录因子SC35在介导RA对神经元中PKCdVIII mRNA的选择性剪接的作用方面至关重要。 本文描述的数据表明PKCdVIII可用作神经疾病如癌症和阿尔茨海默氏病的生物标志物,并用作监测和评价治疗的工具。