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    • 1. 发明公开
    • DUAL FLUORESCENCE ASSAY FOR DETERMINING VIABILITY OF PARASITIC OR NON-PARASITIC WORMS
    • 双荧光试验测定寄生或非寄生虫的存活
    • EP2478370A2
    • 2012-07-25
    • EP10763844.7
    • 2010-09-13
    • Aberystwyth University
    • PEAK, EmilyHOFFMANN, Karl Francis
    • G01N33/569G01N33/53
    • G01N33/5308G01N33/5085G01N2021/6441G01N2333/43526
    • A two colour fluorescent assay and a kit are described that permit the determination of live and dead parasitic or non-parasitic worms, for example helminths. The assay permits screening for the effect of one or more agents or an event on the viability of a parasitic or non-parasitic worm, In one example, the assay comprises (a) providing a sample comprising one or more parasitic or non-parasitic worms; (b) contacting the parasitic or non-parasitic worms with a concentration of fluorescein diacetate sufficient to yield detectable green fluorescence in any live parasitic or non-parasitic worms present in the sample and a concentration of propidium iodide sufficient to yield detectable red fluorescence in any dead parasitic or non-parasitic worms present in the sample; and (c) detecting the red and green fluorescence of the parasitic or non-parasitic worms. The assay further comprises contacting the parasitic or non-parasitic worms with one or more test agents, or subjecting the parasitic or non-parasitic worms to an event. The assay allows for a rapid and objective score of parasitic or non-parasitic worm death and survival and enables the performance of high- throughput screens for the identification of potential agents against diseases such as schistosomiasis. Also described are methods and kits for discriminatory analysis of parasitic or non-parasitic worm phenotype and/or metabolics using FTIR analysis.
    • 3. 发明申请
    • DUAL-FLUORESCENCE ASSAY
    • 双色荧光测定
    • WO2011033290A2
    • 2011-03-24
    • PCT/GB2010/051527
    • 2010-09-13
    • ABERYSTWYTH UNIVERSITYPEAK, EmilyHOFFMANN, Karl Francis
    • PEAK, EmilyHOFFMANN, Karl Francis
    • G01N33/569
    • G01N33/5308G01N33/5085G01N2021/6441G01N2333/43526
    • A two colour fluorescent assay and a kit are described that permit the determination of live and dead parasitic or non-parasitic worms, for example helminths. The assay permits screening for the effect of one or more agents or an event on the viability of a parasitic or non-parasitic worm, In one example, the assay comprises (a) providing a sample comprising one or more parasitic or non-parasitic worms; (b) contacting the parasitic or non-parasitic worms with a concentration of fluorescein diacetate sufficient to yield detectable green fluorescence in any live parasitic or non-parasitic worms present in the sample and a concentration of propidium iodide sufficient to yield detectable red fluorescence in any dead parasitic or non-parasitic worms present in the sample; and (c) detecting the red and green fluorescence of the parasitic or non-parasitic worms. The assay further comprises contacting the parasitic or non-parasitic worms with one or more test agents, or subjecting the parasitic or non-parasitic worms to an event. The assay allows for a rapid and objective score of parasitic or non-parasitic worm death and survival and enables the performance of high- throughput screens for the identification of potential agents against diseases such as schistosomiasis. Also described are methods and kits for discriminatory analysis of parasitic or non-parasitic worm phenotype and/or metabolics using FTIR analysis.
    • 描述了双色荧光测定和试剂盒,其允许测定活的和死的寄生虫或非寄生虫,例如蠕虫。 该测定允许筛选一种或多种试剂或事件对寄生虫或非寄生虫的活力的影响。在一个实例中,测定包括(a)提供包含一种或多种寄生虫或非寄生虫的样品 ; (b)将寄生虫或非寄生虫与一种浓度的荧光素二乙酸酯接触,足以在样品中存在的任何活的寄生虫或非寄生虫中产生可检测的绿色荧光,以及足以产生任何可检测的红色荧光的碘化丙啶浓度 存在于样品中的死寄生虫或非寄生虫; 和(c)检测寄生虫或非寄生虫的红色和绿色荧光。 该测定还包括将寄生虫或非寄生虫与一种或多种测试试剂接触,或将寄生虫或非寄生虫蠕虫接触事件。 该测定允许寄生虫或非寄生虫蠕虫死亡和存活的快速客观评分,并且能够实现高通量筛选用于鉴定针对诸如血吸虫病的疾病的潜在药剂。 还描述了使用FTIR分析对寄生虫或非寄生虫表型和/或代谢物进行鉴别分析的方法和试剂盒。