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    • 3. 发明授权
    • Non-invasive detection of fetal genetic traits
    • 非侵入性检测胎儿遗传性状
    • US07838647B2
    • 2010-11-23
    • US11855558
    • 2007-09-14
    • Sinuhe HahnWolfgang HolzgreveBernhard ZimmermannYing Li
    • Sinuhe HahnWolfgang HolzgreveBernhard ZimmermannYing Li
    • C07H21/02C12Q1/68
    • C12Q1/6883C12Q1/6806C12Q2600/156C12Q2565/125
    • Blood plasma of pregnant women contains fetal and (generally>90%) maternal circulatory extracellular DNA. Most of said fetal DNA contains .Itoreq.500 base pairs, said maternal DNA having a greater size. Separation of circulatory extracellular DNA of .Itoreq.500 base pairs results in separation of fetal from maternal DNA. A fraction of a blood plasma or serum sample of a pregnant woman containing, due to size separation (e.g. by chromatography, density gradient centrifugation or nanotechnological methods), extracellular DNA substantially comprising .Itoreq.500 base pairs is useful for non-invasive detection of fetal genetic traits (including the fetal RhD gene in pregnancies at risk for HDN; fetal Y chromosome-specific sequences in pregnancies at risk for X chromosome-linked disorders; chromosomal aberrations; hereditary Mendelian genetic disorders and corresponding genetic markers; and traits decisive for paternity determination) by e.g. PCR, ligand chain reaction or probe hybridization techniques, or nucleic acid arrays.
    • 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含有大约0.500个碱基对,所述母体DNA具有更大的尺寸。 分离的循环细胞外DNA,它们的碱基对,导致胎儿与母体DNA的分离。 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),怀孕妇女血浆或血清样品的一小部分含有基本上包含0.5个碱基对的细胞外DNA,可用于非侵入性检测 胚胎遗传特征(包括胎儿RhD基因在HDN风险的怀孕中;胎儿Y染色体特异性序列在X染色体相关疾病风险的怀孕中;染色体畸变;遗传性孟德尔遗传疾病和相应的遗传标记;性状决定性的亲子鉴定 确定) PCR,配体链反应或探针杂交技术或核酸阵列。
    • 5. 发明申请
    • NON-INVASIVE DETECTION OF FETAL GENETIC TRAITS
    • 非侵入性检测天然遗传基因
    • US20080071076A1
    • 2008-03-20
    • US11855558
    • 2007-09-14
    • Sinuhe HahnWolfgang HolzgreveBernhard ZimmermannYing Li
    • Sinuhe HahnWolfgang HolzgreveBernhard ZimmermannYing Li
    • C07H1/06
    • C12Q1/6883C12Q1/6806C12Q2600/156C12Q2565/125
    • Blood plasma of pregnant women contains fetal and (generally>90%) maternal circulatory extracellular DNA. Most of said fetal DNA contains .Itoreq.500 base pairs, said maternal DNA having a greater size. Separation of circulatory extracellular DNA of .Itoreq.500 base pairs results in separation of fetal from maternal DNA. A fraction of a blood plasma or serum sample of a pregnant woman containing, due to size separation (e.g. by chromatography, density gradient centrifugation or nanotechnological methods), extracellular DNA substantially comprising .Itoreq.500 base pairs is useful for non-invasive detection of fetal genetic traits (including the fetal RhD gene in pregnancies at risk for HDN; fetal Y chromosome-specific sequences in pregnancies at risk for X chromosome-linked disorders; chromosomal aberrations; hereditary Mendelian genetic disorders and corresponding genetic markers; and traits decisive for paternity determination) by e.g. PCR, ligand chain reaction or probe hybridization techniques, or nucleic acid arrays.
    • 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含有大约0.500个碱基对,所述母体DNA具有更大的尺寸。 分离的循环细胞外DNA,它们的碱基对,导致胎儿与母体DNA的分离。 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),怀孕妇女血浆或血清样品的一小部分含有基本上包含0.5个碱基对的细胞外DNA,可用于非侵入性检测 胚胎遗传特征(包括胎儿RhD基因在HDN风险的怀孕中;胎儿Y染色体特异性序列在X染色体相关疾病风险的怀孕中;染色体畸变;遗传性孟德尔遗传疾病和相应的遗传标记;性状决定性的亲子鉴定 确定) PCR,配体链反应或探针杂交技术或核酸阵列。