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    • 2. 发明申请
    • Methods of enzymatic discrimination enhancement and surface bound double-stranded DNA
    • 酶鉴别增强方法和表面结合双链DNA
    • US20060292579A1
    • 2006-12-28
    • US11176012
    • 2005-07-05
    • David LockhartMark CheeDirk VetterMartin Digglemann
    • David LockhartMark CheeDirk VetterMartin Digglemann
    • C12Q1/68
    • C12N15/1093B01J19/0046B01J2219/00529B01J2219/00608B01J2219/00612B01J2219/00626B01J2219/0063B01J2219/00659B01J2219/00722C07B2200/11C07H21/00C12Q1/6827C12Q1/683C12Q1/6837C12Q1/6874C40B40/06C40B80/00G01N33/5308G01N33/551
    • Methods for discriminating between fully complementary hybrids and those that differ by one or more base pairs and libraries of unimolecular, double-stranded oligonucleotides on a solid support. In one embodiment, the present invention provides methods of using nuclease treatment to improve the quality of hybridization signals on high density oligonucleotide arrays. In another embodiment, the present invention provides methods of using ligation reactions to improve the quality of hybridization signals on high density oligonucleotide arrays. In yet another embodiment, the present invention provides libraries of unimolecular or intermolecular, double-stranded oligonucleotides on a solid support. These libraries are useful in pharmaceutical discovery for the screening of numerous biological samples for specific interactions between the double-stranded oligonucleotides, and peptides, proteins, drugs and RNA. In a related aspect, the present invention provides libraries of conformationally restricted probes on a solid support. The probes are restricted in their movement and flexibility using double-stranded oligonucleotides as scaffolding. The probes are also useful in various screening procedures associated with drug discovery and diagnosis. The present invention further provides methods for the preparation and screening of the above libraries.
    • 用于区分完全互补的杂交体与通过一个或多个碱基对不同的那些的方法和在固体支持物上的单分子双链寡核苷酸的文库。 在一个实施方案中,本发明提供了使用核酸酶处理来提高高密度寡核苷酸阵列上杂交信号质量的方法。 在另一个实施方案中,本发明提供了使用连接反应来提高高密度寡核苷酸阵列上杂交信号质量的方法。 在另一个实施方案中,本发明提供了在固体支持物上的单分子或分子间双链寡核苷酸的文库。 这些文库在药物发现中可用于筛选许多生物样品,用于双链寡核苷酸与肽,蛋白质,药物和RNA之间的特异性相互作用。 在相关方面,本发明提供了在固体支持物上的构象限制探针的文库。 使用双链寡核苷酸作为脚手架,探针的运动和灵活性受到限制。 探针也可用于与药物发现和诊断相关的各种筛选程序。 本发明还提供了制备和筛选上述文库的方法。
    • 4. 发明申请
    • Expression monitoring to high density oligonucleotide arrays
    • 对高密度寡核苷酸阵列的表达监测
    • US20050202500A1
    • 2005-09-15
    • US11118974
    • 2005-04-28
    • David LockhartEugene BrownGordon WongMark CheeThomas Gingeras
    • David LockhartEugene BrownGordon WongMark CheeThomas Gingeras
    • G01N33/53C12N15/09C12Q1/68G01N15/14G01N37/00C12P19/34G01N33/48G01N33/50G06F19/00
    • C12Q1/6809C12Q1/6837G01N15/1475C12Q2565/507
    • This invention provides methods of monitoring the expression levels of a multiplicity of genes. The methods involve hybridizing a nucleic acid sample to a high density array of oligonucleotide probes where the high density array contains oligonucleotide probes complementary to subsequences of target nucleic acids in the nucleic acid sample. In one embodiment, the method involves providing a pool of target nucleic acids comprising RNA transcripts of one or more target genes, or nucleic acids derived from the RNA transcripts, hybridizing said pool of nucleic acids to an array of oligonucleotide probes immobilized on surface, where the array comprising more than 100 different oligonucleotides and each different oligonucleotide is localized in a predetermined region of the surface, the density of the different oligonucleotides is greater than about 60 different oligonucleotides per 1 cm2, and the olignucleotide probes are complementary to the RNA transcripts or nucleic acids derived from the RNA transcripts; and quantifying the hybridized nucleic acids in the array.
    • 本发明提供监测多种基因的表达水平的方法。 所述方法包括将核酸样品与寡核苷酸探针的高密度阵列杂交,其中高密度阵列含有与核酸样品中靶核酸的子序列互补的寡核苷酸探针。 在一个实施方案中,所述方法包括提供包含一个或多个靶基因的RNA转录物或衍生自RNA转录物的核酸的靶核酸库,将所述核酸库与固定在表面上的寡核苷酸探针阵列杂交,其中 包含超过100种不同寡核苷酸的阵列和每种不同的寡核苷酸定位在表面的预定区域中,不同寡核苷酸的密度大于每1cm 2大约60个不同的寡核苷酸,并且寡核苷酸 探针与衍生自RNA转录物的RNA转录物或核酸互补; 并量化阵列中的杂交核酸。