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    • 7. 发明申请
    • Methods and compositions for linear mRNA amplification from small RNA samples
    • 来自小RNA样品的线性mRNA扩增的方法和组合物
    • US20050136411A1
    • 2005-06-23
    • US10744434
    • 2003-12-22
    • Patrick CollinsKhanh NguyenDiane Ilsley
    • Patrick CollinsKhanh NguyenDiane Ilsley
    • C12Q1/68C12P19/34G01N33/48G01N33/50G06F19/00
    • C12Q1/6809C12Q1/6865C12Q2531/101C12Q2527/125C12Q2525/143
    • Methods and compositions for linearly amplifying mRNA from small RNA samples to produce antisense RNA are provided In the subject methods, mRNA is converted to a transcription template product by using a promoter primer, where the resultant product at least includes a first strand cDNA template domain and a double-stranded RNA polymerase promoter. A feature of the subject methods is that the ratio of the promoter-primer to the input RNA is chosen to provide for a high yield of selective RNA product. Additional optional features include the use of a thermostabilizing agent, e.g., raffinose, trehalose, etc., in the reverse transcription step and/or the use of a polyalkylene oxide, e.g., a PEG, in the in vitro transcription step. Also provided are compositions and kits that find use in practicing the subject methods. The subject invention finds use a variety of different applications in which the preparation of linearly amplified amounts of cRNA is desired.
    • 提供从小RNA样品线性扩增mRNA以产生反义RNA的方法和组合物在本主题方法中,通过使用启动子引物将mRNA转化为转录模板产物,其中所得产物至少包含第一链cDNA模板结构域和 双链RNA聚合酶启动子。 本发明方法的特征是选择启动子 - 引物与输入RNA的比例以提供高产率的选择性RNA产物。 另外的任选特征包括在逆转录步骤中使用热稳定剂,例如棉子糖,海藻糖等,和/或在体外转录步骤中使用聚环氧烷,例如PEG。 还提供了用于实践主题方法的组合物和试剂盒。 本发明发现使用其中需要制备线性扩增量的cRNA的多种不同应用。
    • 9. 发明申请
    • Label integrity verification of chemical array data
    • 化学阵列数据的标签完整性验证
    • US20070111218A1
    • 2007-05-17
    • US11282527
    • 2005-11-17
    • Diane IlsleyJames Minor
    • Diane IlsleyJames Minor
    • C12Q1/68G06F19/00
    • G01N33/582C12Q1/6837G01N33/58C12Q2565/102C12Q2545/101
    • Methods, systems and computer readable media for checking label integrity of labeled biopolymers in a single sample assayed by chemical array analysis. At least first and second labels are incorporated into biopolymers in the single sample to produce a multi-labeled, single sample. The multi-labeled, single sample is hybridized with probes on a chemical array, and signal values are read from probes on the chemical array bound to a set of biopolymer sequences labeled with the at least first and second labels. First-labeled signal values from a probe, having the first label incorporated therein, are compared with second-labeled signal values from the probe bound to biopolymer having the second label incorporated therein. The reading signal values and comparing steps are repeated for at least one additional probe on the chemical microarray bound to a set of different biopolymer sequences labeled with the at t least first and second labels, and label integrity is determined to be of acceptable quality if divergence between the first-labeled signal values read from the probes and the second-labeled signal values read from the same probes is less than a predetermined threshold value.
    • 用于通过化学阵列分析测定的单个样品中标记的生物聚合物的标签完整性的方法,系统和计算机可读介质。 至少第一和第二标签被并入单个样品中的生物聚合物中以产生多标记的单个样品。 多标记的单个样品与化学阵列上的探针杂交,并且从与至少第一和第二标记标记的一组生物聚合物序列结合的化学阵列上的探针读取信号值。 将具有掺入其中的第一标记的探针的第一标记信号值与来自结合到其中结合有第二标签的生物聚合物的探针的第二标记信号值进行比较。 对于与至少第一和第二标签标记的一组不同生物聚合物序列结合的化学微阵列上的至少一个附加探针重复阅读信号值和比较步骤,并且如果发散发生,标签完整性被确定为具有可接受的质量 在从探针读取的第一标记信号值和从相同探针读取的第二标记信号值之间小于预定阈值。