NON-INVASIVE DETECTION OF FETAL GENETIC TRAITS
    86.
    发明申请
    NON-INVASIVE DETECTION OF FETAL GENETIC TRAITS 审中-公开
    非侵入性检测天然遗传基因

    公开(公告)号:US20120302741A1

    公开(公告)日:2012-11-29

    申请号:US13557025

    申请日:2012-07-24

    IPC分类号: C07H21/04

    摘要: Blood plasma of pregnant women contains fetal and (generally >90%) maternal circulatory extracellular DNA. Most of said fetal DNA contains ≦500 base pairs, said maternal DNA having a greater size. Separation of circulatory extracellular DNA of

    摘要翻译: 孕妇的血浆含有胎儿和(一般> 90%)母体循环细胞外DNA。 大多数所述胎儿DNA含有nlE; 500个碱基对,所述母体DNA具有更大的尺寸。 分离<500碱基对的循环细胞外DNA导致胎儿与母体DNA分离。 由于尺寸分离(例如通过色谱法,密度梯度离心或纳米技术方法),怀孕妇女的血浆或血清样品的一小部分含有基本上包含500个碱基对的细胞外DNA,可用于非侵入性检测胎儿 遗传性状(包括胎儿RhD基因在妊娠中存在HDN风险;胎儿Y染色体特异性序列在怀孕中存在X染色体连锁障碍的风险;染色体畸变;遗传性孟德尔遗传疾病和相应的遗传标记;以及决定亲子鉴定的性状 )通过例如 PCR,配体链反应或探针杂交技术或核酸阵列。

    NUCLEIC ACID-BASED TESTS FOR RHD TYPING, GENDER DETERMINATION AND NUCLEIC ACID QUANTIFICATION
    88.
    发明申请
    NUCLEIC ACID-BASED TESTS FOR RHD TYPING, GENDER DETERMINATION AND NUCLEIC ACID QUANTIFICATION 有权
    基于核酸的测试用于RHD型,性别测定和核酸定量

    公开(公告)号:US20120214680A1

    公开(公告)日:2012-08-23

    申请号:US13323683

    申请日:2011-12-12

    IPC分类号: C40B30/04

    摘要: The invention in part provides nucleic acid-based assays, which are particularly useful for non-invasive prenatal testing. The invention in part provides compositions and methods for RhD typing, detecting the presence of fetal nucleic in a sample, determining the relative amount of fetal nucleic acid in a sample and determining the sex of a fetus, wherein each of the assays may be performed alone or in combination.

    摘要翻译: 本发明部分提供基于核酸的测定法,其特别适用于非侵入性产前检测。 本发明部分提供用于RhD分型的组合物和方法,检测样品中胎儿核酸的存在,确定样品中胎儿核酸的相对量并确定胎儿的性别,其中每个测定可以单独进行 或组合。

    Restriction endonuclease enhanced polymorphic sequence detection
    89.
    发明授权
    Restriction endonuclease enhanced polymorphic sequence detection 有权
    限制性内切核酸酶增强多态性序列检测

    公开(公告)号:US08206926B2

    公开(公告)日:2012-06-26

    申请号:US12411329

    申请日:2009-03-25

    IPC分类号: C12Q1/68 C12P19/34

    摘要: Provided in part herein is an improved method for the detection of specific polymorphic alleles in a mixed DNA population. The method comprises enriching the relative percentage of a given polymorphic allele that is exponentially amplifiable by PCR. Provided also are methods for selectively enriching target nucleic acid, for example, fetal nucleic acid in a maternal sample. In the case of detecting fetal nucleic acid in a maternal sample, a restriction enzyme is introduced that can discriminate between the alleles of a polymorphic site. In some embodiments, the maternal allele is digested and nucleic acid comprising the paternal allele is relatively enriched.

    摘要翻译: 本文部分提供了用于检测混合DNA群体中特定多态性等位基因的改进方法。 该方法包括富集通过PCR指数扩增的给定多态性等位基因的相对百分比。 还提供了选择性富集靶核酸例如母体样品中的胎儿核酸的方法。 在检测母体样品中的胎儿核酸的情况下,引入可以区分多态性位点的等位基因的限制酶。 在一些实施方案中,母体等位基因被消化,并且包含父系等位基因的核酸相对富集。

    RESTRICTION ENDONUCLEASE ENHANCED POLYMORPHIC SEQUENCE DETECTION
    90.
    发明申请
    RESTRICTION ENDONUCLEASE ENHANCED POLYMORPHIC SEQUENCE DETECTION 有权
    限制性内切酶增强多态性序列检测

    公开(公告)号:US20120115737A1

    公开(公告)日:2012-05-10

    申请号:US12532824

    申请日:2008-03-26

    IPC分类号: C12Q1/68 C40B20/08

    摘要: Provided is an improved method for the detection of specific polymorphic alleles in a mixed DNA population. The method comprises enriching the relative percentage of a given polymorphic allele that is exponentially amplifiable by PCR. Also provided are methods for selectively enriching target nucleic acid, for example, fetal nucleic acid in a maternal sample. In the case of detecting fetal nucleic acid in a maternal sample, a restriction enzyme is introduced that can discriminate between the alleles of a polymorphic site. Preferably, the maternal allele is digested and nucleic acid comprising the paternal allele is relatively enriched.

    摘要翻译: 提供了一种用于检测混合DNA群体中特定多态性等位基因的改进方法。 该方法包括富集通过PCR指数扩增的给定多态性等位基因的相对百分比。 还提供了用于选择性富集靶核酸例如母体样品中的胎儿核酸的方法。 在检测母体样品中的胎儿核酸的情况下,引入可以区分多态性位点的等位基因的限制酶。 优选地,母体等位基因被消化,并且包含父系等位基因的核酸相对富集。