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    • 2. 发明授权
    • Multiplex targeted amplification using flap nuclease
    • 使用瓣片核酸酶进行多重靶向扩增
    • US08980563B2
    • 2015-03-17
    • US12972208
    • 2010-12-17
    • Jianbiao ZhengLi WengMalek Faham
    • Jianbiao ZhengLi WengMalek Faham
    • C12Q1/68C12P19/34
    • C12Q1/686C12Q1/6844C12Q1/6853C12Q2531/125
    • Methods for multiplex amplification of a plurality of targets of distinct sequence from a complex mixture are disclosed. In one aspect targets are circularized using a single circularization probe that is complementary to two regions in the target that flank a region to be amplified. The targets may hybridize to the circularization probe so that 5′ or 3′ flaps are generated and methods for removing flaps and circularizing the resulting product are disclosed. In another aspect targets are hybridized to dU probes so that 5′ and 3′ flaps are generated. The flaps are cleaved using 5′ or 3′ flap endonucleases or 3′ to 5′ exonucleases. The target sequences are then ligated to common primers, the dU probes digested and the ligated targets amplified.
    • 公开了从复杂混合物多个扩增不同序列的多个靶的方法。 在一个方面,使用单个环化探针对靶标进行环化,所述单个环化探针与靶区域中将要扩增的区域侧翼的两个区域互补。 目标可以与环化探针杂交,从而产生5'或3'的瓣,并且公开了用于去除襟翼和使所得产物环化的方法。 另一方面,目标与dU探针杂交,从而产生5'和3'瓣。 使用5'或3'片段内切核酸酶或3'至5'外切核酸酶切割襟翼。 然后将靶序列连接到常见引物,消化dU探针并扩增连接的靶标。
    • 3. 发明申请
    • MONITORING TREATMENT-RESISTANT CLONES IN LYMPHOID AND MYELOID NEOPLASMS BY RELATIVE LEVELS OF EVOLVED CLONOTYPES
    • 通过相对级别的革兰阳性监测淋巴细胞和髓磷脂细胞中的治疗抗性克隆
    • US20140255944A1
    • 2014-09-11
    • US14197615
    • 2014-03-05
    • Victoria CarltonMalek Faham
    • Victoria CarltonMalek Faham
    • C12Q1/68
    • C12Q1/686C12Q1/6886C12Q2600/106C12Q2600/156
    • The invention is directed to a method of monitoring or detecting treatment-resistant clones in a patient being treated for a lymphoid or myeloid neoplasm from which patient-specific correlating clonotypes have been identified. In some embodiments, such method includes the steps of obtaining a sample from the patient comprising T-cells and/or B-cells; amplifying molecules of nucleic acid from the T-cells and/or B-cells of the sample, the molecules of nucleic acid comprising recombined DNA sequences from T-cell receptor genes or immunoglobulin genes; sequencing the amplified molecules of nucleic acid to form a clonotype profile; determining from the clonotype profile a level of each correlating clonotype and clonotypes clonally evolved therefrom; and correlating a presence of a treatment-resistant clone of the neoplasm with a change in relative levels of the correlating clonotypes and clonotypes clonally evolved therefrom. In part, the invention permits one to distinguish between cases where treatment is effective but insufficiently intense and cases where a cancer clone arises that is resistant to a current treatment approach.
    • 本发明涉及一种监测或检测被治疗的患者的治疗抗性克隆的方法,所述治疗抗性克隆被治疗用于已经鉴定了患者特异性相关克隆型的淋巴或骨髓瘤。 在一些实施方案中,这种方法包括从包括T细胞和/或B细胞的患者获得样品的步骤; 从样品的T细胞和/或B细胞扩增核酸分子,所述核酸分子包含来自T细胞受体基因或免疫球蛋白基因的重组DNA序列; 测序扩增的核酸分子以形成克隆型谱; 从克隆型分析确定每个相关克隆型和从其中克隆进化的克隆型的水平; 并将肿瘤的治疗抗性克隆的存在与从其克隆进行的相关克隆型和克隆型的相对水平的变化相关联。 部分地,本发明允许区分治疗有效但不充分的情况,以及出现对当前治疗方法有抗性的癌症克隆的情况。
    • 5. 发明授权
    • Monitoring health and disease status using clonotype profiles
    • 使用克隆型概况监测健康和疾病状态
    • US08628927B2
    • 2014-01-14
    • US13763978
    • 2013-02-11
    • Malek FahamThomas Willis
    • Malek FahamThomas Willis
    • C12P19/34C12Q1/68
    • C12Q1/6886C12Q1/6881C12Q1/6883C12Q2600/118C12Q2600/156C12Q2600/158C12Q2600/16
    • There is a need for improved methods for determining the diagnosis and prognosis of patients with conditions, including autoimmune disease and cancer, especially lymphoid neoplasms, such as lymphomas and leukemias. Provided herein are methods for using DNA sequencing to identify personalized, or patient-specific biomarkers in patients with lymphoid neoplasms, autoimmune disease and other conditions. Identified biomarkers can be used to determine and/or monitor the disease state for a subject with an associated lymphoid disorder or autoimmune disease or other condition. In particular, the invention provides a sensitive method for monitoring lymphoid neoplasms that undergo clonal evolutions without the need to development alternative assays for the evolved or mutated clones serving as patient-specific biomarkers.
    • 需要一种改进的方法来确定包括自身免疫性疾病和癌症在内的患者的诊断和预后,特别是淋巴瘤和白血病等淋巴样肿瘤。 本文提供了使用DNA测序鉴定患有淋巴样肿瘤,自身免疫疾病和其他病症的个体化或患者特异性生物标志物的方法。 识别的生物标志物可以用于确定和/或监测具有相关淋巴样病症或自身免疫疾病或其他病症的受试者的疾病状态。 特别地,本发明提供了用于监测经历克隆进化的淋巴样肿瘤的敏感方法,而不需要用作用作患者特异性生物标志物的进化或突变克隆的替代性测定。
    • 7. 发明申请
    • Multiplex targeted amplification using flap nuclease
    • 使用瓣片核酸酶进行多重靶向扩增
    • US20080199916A1
    • 2008-08-21
    • US12016195
    • 2008-01-17
    • Jianbiao ZhengLi WengMalek Faham
    • Jianbiao ZhengLi WengMalek Faham
    • C12P19/34
    • C12Q1/686C12Q1/6844C12Q1/6853C12Q2531/125
    • Methods for multiplex amplification of a plurality of targets of distinct sequence from a complex mixture are disclosed. In one aspect targets are circularized using a single circularization probe that is complementary to two regions in the target that flank a region to be amplified. The targets may hybridize to the circularization probe so that 5′ or 3′ flaps are generated and methods for removing flaps and circularizing the resulting product are disclosed. In another aspect targets are hybridized to dU probes so that 5′ and 3′ flaps are generated. The flaps are cleaved using 5′ or 3′ flap endonucleases or 3′ to 5′ exonucleases. The target sequences are then ligated to common primers, the dU probes digested and the ligated targets amplified.
    • 公开了从复杂混合物多个扩增不同序列的多个靶的方法。 在一个方面,使用单个环化探针对靶标进行环化,所述单个环化探针与靶区域中将要扩增的区域侧翼的两个区域互补。 目标可以与环化探针杂交,从而产生5'或3'的瓣,并且公开了用于去除襟翼和使所得产物环化的方法。 另一方面,目标与dU探针杂交,从而产生5'和3'瓣。 使用5'或3'片段内切核酸酶或3'至5'外切核酸酶切割襟翼。 然后将靶序列连接到常见引物,消化dU探针并扩增连接的靶标。