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    • 5. 发明申请
    • METHOD FOR DETECTING NUCLEIC ACID SEQUENCES USING COMPETITIVE AMPLIFICATION
    • 使用竞争性放大检测核酸序列的方法
    • WO1996040996A1
    • 1996-12-19
    • PCT/US1996008429
    • 1996-06-03
    • ABBOTT LABORATORIES
    • ABBOTT LABORATORIESBIRKENMEYER, LarryMUSHAHWAR, Isa, K.
    • C12Q01/68
    • C12Q1/6851C12Q1/6862C12Q1/706C12Q2545/107C12Q2531/137
    • The present invention provides a method for quantitatively detecting the amount of a target nucleic acid sequence which may be present in a test sample. A test sample which may contain a target nucleic acid sequence comprising target sequences X and Y is contacted with two primer sets, the first set being specific for target X and the second set being specific for target Y. The test sample also is contacted at the same time with an internal standard sequence IS, which is substantially derived from a combination of the first and second target sequences, and its corresponding oligonucleotide primers. Haptens are associated with the oligonucleotide primer sets in such a way that amplified target sequence products X and Y are detected by capture on a solid phase to which anti-hapten capture reagents are attached. A signal ratio of (X + Y)/S is determined to quantitate the amount of the target nucleic acid sequence contained in the sample.
    • 本发明提供了定量检测可能存在于测试样品中的靶核酸序列的量的方法。 可以含有包含靶序列X和Y的靶核酸序列的测试样品与两个引物组接触,第一组对靶标X是特异性的,第二组对靶标Y是特异性的。测试样品也在 同时具有基本上衍生自第一和第二靶序列的组合的内标序列IS及其相应的寡核苷酸引物。 半抗原与寡核苷酸引物组相关联,使得扩增的靶序列产物X和Y通过捕获在抗半抗原捕获试剂所连接的固相上而被检测。 确定(X + Y)/ S的信号比来定量样品中包含的靶核酸序列的量。