A reverse transcriptase-polymerase chain reaction detects heterogeneous chimeric mRNAs in leukemias with 11q23 abnormalities.

Real-time quantitative reverse transcriptase polymerase chain reaction.

The real-time quantitative reverse transcriptase polymerase chain reaction (RQ-PCR) has become the method of choice for the quantification of specific mRNAs. This method is fast, extremely sensitive, and accurate, requires only very small amounts of input RNA, and is relatively simple to perform. These characteristics have made it the method of choice for minimal residual disease monitoring suc...

Molecular analysis of the S1 gene of vaccine strains of infectious bronchitis virus using reverse transcriptase-polymerase chain reaction and restriction fragment length polymorphism

Infectious bronchitis virus (IBV) is an acute and contagious viral disease of poultry that affects different systems, including the respiratory tract in particular. IBV causes major economic losses in the poultry industry globally. Due to antigenic variation of the causative agent, control of the disease is difficult. To control the disease, many vaccines that belong to different serotypes are...

Heterogeneity in MLL/AF-4 fusion messenger RNA detected by the polymerase chain reaction in t(4;11) acute leukemia.

We have designed a single polymerase chain reaction (PCR) primer pair that detects the MLL/AF-4 fusion mRNA encoded by the derivative 11 chromosome from t(4;11)(q21;q23) leukemia cells using the reverse transcriptase PCR technique. PCR amplification was possible in seven of seven cells studied. Sequencing of the amplified products showed three different breakpoints on 11q23 and three on 4q21, r...

Molecular analysis of infant acute lymphoblastic leukemia: MLL gene rearrangement and reverse transcriptase-polymerase chain reaction for t(4; 11)(q21; q23).

Molecular techniques to detect MLL (11q23) and AF-4 (4q21) gene rearrangements are being evaluated for use in stratification of patients into prognostic groups. We studied 15 cases of infant acute lymphoblastic leukemia (ALL) with Southern blotting for MLL gene rearrangement and reverse transcriptase-polymerase chain reaction (RT-PCR) for t(4;11) fusion transcripts and compared the results to c...

Underperformance of Reverse-Transcriptase Polymerase Chain Reaction in Japan and Potential Implications From Diamond Princess Cruise Ship and Other Countries During the Ongoing COVID-19 Pandemic