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On the basis of the derived results we can argue that qRT-PCR performance is affected by the RNA integrity and PCR efficiency in general is not affected by the RNA integrity.
In addition, we showed that stored RNA is compatible for further analyses, such as reverse transcription-quantitative PCR.
In our hands, RNA template-specific PCR retains the sensitivity of the traditional method, but greatly reduces the frequency of false positives, and virtually eliminates carryover contamination from PCR products amplified in previous experiments.
The results indicate that RNA was of good quality and fit for real time PCR.
As demonstrated in this study, the level of a particular RNA may be reliably determined by RT-PCR even in a total RNA that is usually considered as degraded (28S to 18S ratio as low as 0.4), provided that random primer is used in RT.
The use of a synthetic RNA standard with identical sequences to the PCR primers allows reproducible quantitation between samples and assays.
Therefore, Db-PCR provides a much-needed simple method for analyzing RNA terminal heterogeneity.
The qualitative NASBA RNA assay is highly specific and more sensitive than DNA PCR.
These results show that the method of RNA extraction we propose is suitable for giving accurate real time quantitative RT-PCR results.
The one-step, real-time quantitative RT-PCR is a highly sensitive and specific, yet practically simple, RNA detection technique.