Qrt-pcr Analysis
Qrt-pcr Analysis - Related Videos
07:27
High Throughput MicroRNA Profiling: Optimized Multiplex qRT-PCR at Nanoliter Scale on the Fluidigm Dynamic ArrayTM IFCs
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Cited by 13 •
2011
Here we describe an optimized multiplex reverse transcriptase quantitative PCR (qRT-PCR) protocol in combination with a microfluidic platform as a cost and time effective high-throughput screening tool for microRNA (miRNA) expression levels, especially when working with limited amounts of sample.
12:04
RNA Analysis of Environmental Samples Using RT-PCR
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2023
Source: Laboratories of Dr. Ian Pepper and Dr. Charles Gerba - The University of Arizona Demonstrating Author: Bradley Schmitz Reverse transcription-polymerase chain reaction (RT-PCR) involves the same process as conventional PCR — cycling temperature to amplify nucleic acids. However, while conventional PCR only amplifies deoxyribonucleic acids (DNA), RT-PCR enables the amplification of ribonucleic acids (RNA) through the formation of complementary DNA (cDNA). This enables RNA-based organisms...
06:30
Rapid and Efficient Zebrafish Genotyping Using PCR with High-resolution Melt Analysis
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Cited by 34 •
2014
PCR combined with high-resolution melt analysis (HRMA) is demonstrated as a rapid and efficient method to genotype zebrafish.
08:11
Single-Animal, Single-Tube RNA Extraction for Comparison of Relative Transcript Levels via qRT-PCR in the Tardigrade Hypsibius exemplaris
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Cited by 1 •
2025
This work presents a rapid RNA extraction and transcript level comparison method for analyzing gene expression in the tardigrade Hypsibius exemplaris. Using physical lysis, this high-throughput method requires a single tardigrade as the starting material and results in robust production of cDNA for quantitative reverse transcription polymerase chain reaction (qRT-PCR).
11:22
Analysis of Gene Expression in Emerald Ash Borer (Agrilus planipennis) Using Quantitative Real Time-PCR
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Cited by 3 •
2010
Quantitative real-time PCR (qRT-PCR) is an effective tool to diagnose mRNA levels in different insect tissues and developmental stages. In this report we show the use of qRT-PCR to ascertain mRNA levels in different larval tissues and developmental stages of the invasive insect species, emerald ash borer.
FAQs
Threshold-cycle values provide the comparison point for estimating relative transcript abundance. A fluorescence signal reaches a defined threshold as amplified product accumulates, and the resulting cycle value is compared with values from reference genes. This comparison supports relative expression estimates, allowing researchers to determine whether a target transcript is relatively more or less abundant.
Reverse transcription converts RNA transcripts into complementary DNA, creating the template for the subsequent amplification stage. PCR then repeatedly amplifies selected sequences, while fluorescence tracks product accumulation during the cycles. Keeping these roles distinct matters because the assay begins with RNA abundance but produces a quantitative signal from amplified complementary DNA.
Real-time fluorescence makes product accumulation observable during amplification. Tracking the signal across PCR cycles gives qRT-PCR analysis a quantitative output and supports its high sensitivity for measuring transcript abundance. In neuroscience, this capability helps researchers compare molecular changes associated with neuronal markers, synaptic genes, inflammatory responses, development, injury, or neurological disease.
A typical workflow starts with RNA, applies reverse transcription, and then amplifies selected sequences through repeated PCR cycles. Fluorescent monitoring occurs during amplification, after which threshold-cycle values are compared with reference genes. The resulting relative-expression measurements can then be interpreted in relation to neuronal state, development, injury, or neurological disease.
In neuroscience, qRT-PCR analysis can measure changes in transcripts associated with neuronal markers, synaptic genes, and inflammatory responses. It can also examine molecular changes linked to development, injury, or neurological disease. These focused measurements help researchers assess how selected gene-expression signals vary across biologically important neural conditions.
qRT-PCR analysis is useful when researchers need focused, quantitative examination of selected transcripts after broader gene-expression studies identify potentially important changes. Its sensitivity and quantitative output complement transcriptomic approaches and can help validate gene-expression findings. This combination connects broad molecular profiling with targeted assessment of neuronal, synaptic, or inflammatory gene signals.