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    • 4. 发明申请
    • MICROFLUIDIC SYSTEM AND METHOD FOR ANALYSIS OF GENE EXPRESSION IN CELL-CONTAINING SAMPLES AND DETECTION OF DISEASE
    • 用于分析含细胞样本中基因表达的微流感系统和方法及疾病的检测
    • WO2007092713A3
    • 2008-12-18
    • PCT/US2007061352
    • 2007-01-31
    • UNIV PENNSYLVANIAZIOBER BARRY LBAU HAIM HMAUK MICHAEL GCHEN ZONGYUANWANG JING
    • ZIOBER BARRY LBAU HAIM HMAUK MICHAEL GCHEN ZONGYUANWANG JING
    • B01D11/04B01L3/00C12M1/30C12M3/00C12Q1/00G01N1/18G01N9/30G01N15/06G01N21/00G01N21/75G01N31/00G01N33/00G01N33/48G01N33/53G01N33/536G01N33/543G01N33/551G01N33/553
    • G01N33/574B01L3/502761B01L7/52B01L2200/0636B01L2200/0647B01L2300/0816B01L2300/0864B01L2300/1894B01L2400/043B01L2400/0487B01L2400/0677C12Q1/6886C12Q2600/158G01N33/54366G01N2333/70503G01N2800/52
    • Biomarkers for the detection of pre-cancer and cancer cells and a method for their detection at the point of care are disclosed. The system is comprised of an inexpensive, disposable microfluidic cassette for sample preparation; continuous-flow, magnetic-bead assisted cell sorting and cytometry; cell lysis; nucleic acid isolation and amplification, hybridization, quantification, and analysis. Typically, the disposable cassette will be used with a benchtop instrument platform that provides power, control and detection capabilities to the cassette. In one particular embodiment and application of the invention, the cell sorting is based on the selective binding of magnetic beads coated with an MCAP antibody to exfoliated precancerous and cancerous cells contained in saliva. The bead-labeled precancerous and cancerous cells are then separated from other saliva components using a magnetic field. Both labeled and unlabeled cells can be counted using integrated detectors of several types, including cell counters based on impedance measurements, and cytometers based on Coulter particle counter principles. The sorted sub-population of precancerous and cancerous cells are lysed, and the nucleic acids are isolated for gene assays and/or transcription profiling of the sorted sample subpopulation. In one embodiment of the invention, the cassette includes re verse- transcription polymerase chain reaction for nucleic acid detection and a hybridization array for gene identification. The devices, systems, modes of operation, and methods disclosed here are also applicable for cancer and other disease detection in other body fluids.
    • 公开了用于检测癌前和癌细胞的生物标志物及其在护理时检测的方法。 该系统由用于样品制备的廉价的一次性微流控盒组成; 连续流动,磁珠辅助细胞分选和细胞计数; 细胞裂解; 核酸分离和扩增,杂交,定量和分析。 通常,一次性盒式磁带将与台式仪器平台一起使用,该平台为磁带提供功率,控制和检测能力。 在本发明的一个具体实施方案和应用中,细胞分选基于用MCAP抗体包被的磁珠与包含在唾液中的脱落的癌前和癌细胞的选择性结合。 然后使用磁场将珠标记的癌前和癌细胞与其他唾液成分分离。 可以使用几种类型的集成检测器(包括基于阻抗测量的细胞计数器)和基于Coulter粒子计数器原理的细胞计数器来计数标记和未标记的细胞。 裂解癌前和癌细胞的分选亚群,分离核酸用于分选的样品亚群的基因测定和/或转录谱。 在本发明的一个实施方案中,盒包括用于核酸检测的转录聚合酶链反应和用于基因鉴定的杂交阵列。 本文公开的装置,系统,操作模式和方法也适用于其他体液中的癌症和其他疾病检测。
    • 6. 发明申请
    • MICROFLUIDIC SYSTEM AND METHOD FOR ANALYSIS OF GENE EXPRESSION IN CELL-CONTAINING SAMPLES AND DETECTION OF DISEASE
    • 用于分析含细胞样本中基因表达的微流感系统和方法及疾病的检测
    • WO2007092713A2
    • 2007-08-16
    • PCT/US2007/061352
    • 2007-01-31
    • TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIAZIOBER, Barry, L.BAU, Haim, H.MAUK, Michael, G.CHEN, ZongyuanWANG, Jing
    • ZIOBER, Barry, L.BAU, Haim, H.MAUK, Michael, G.CHEN, ZongyuanWANG, Jing
    • G01N33/574B01L3/502761B01L7/52B01L2200/0636B01L2200/0647B01L2300/0816B01L2300/0864B01L2300/1894B01L2400/043B01L2400/0487B01L2400/0677C12Q1/6886C12Q2600/158G01N33/54366G01N2333/70503G01N2800/52
    • Biomarkers for the detection of pre-cancer and cancer cells and a method for their detection at the point of care are disclosed. The system is comprised of an inexpensive, disposable microfluidic cassette for sample preparation; continuous-flow, magnetic-bead assisted cell sorting and cytometry; cell lysis; nucleic acid isolation and amplification, hybridization, quantification, and analysis. Typically, the disposable cassette will be used with a benchtop instrument platform that provides power, control and detection capabilities to the cassette. In one particular embodiment and application of the invention, the cell sorting is based on the selective binding of magnetic beads coated with an MCAP antibody to exfoliated precancerous and cancerous cells contained in saliva. The bead-labeled precancerous and cancerous cells are then separated from other saliva components using a magnetic field. Both labeled and unlabeled cells can be counted using integrated detectors of several types, including cell counters based on impedance measurements, and cytometers based on Coulter particle counter principles. The sorted sub-population of precancerous and cancerous cells are lysed, and the nucleic acids are isolated for gene assays and/or transcription profiling of the sorted sample subpopulation. In one embodiment of the invention, the cassette includes re verse- transcription polymerase chain reaction for nucleic acid detection and a hybridization array for gene identification. The devices, systems, modes of operation, and methods disclosed here are also applicable for cancer and other disease detection in other body fluids.
    • 公开了用于检测癌前和癌细胞的生物标志物及其在护理时检测的方法。 该系统由用于样品制备的廉价的一次性微流控盒组成; 连续流动,磁珠辅助细胞分选和细胞计数; 细胞裂解; 核酸分离和扩增,杂交,定量和分析。 通常,一次性盒式磁带将与台式仪器平台一起使用,该平台为磁带提供功率,控制和检测能力。 在本发明的一个具体实施方案和应用中,细胞分选基于用MCAP抗体包被的磁珠与包含在唾液中的脱落的癌前和癌细胞的选择性结合。 然后使用磁场将珠标记的癌前和癌细胞与其它唾液成分分离。 可以使用几种类型的集成检测器(包括基于阻抗测量的细胞计数器)和基于Coulter粒子计数器原理的细胞计数器来计数标记和未标记的细胞。 裂解癌前和癌细胞的排序亚群,分离核酸用于分选的样品亚群的基因测定和/或转录谱。 在本发明的一个实施方案中,盒包括用于核酸检测的转录聚合酶链反应和用于基因鉴定的杂交阵列。 本文公开的装置,系统,操作模式和方法也适用于其他体液中的癌症和其他疾病检测。