Single Cell Pcr
Single Cell Pcr - Related Videos
02:44
Single Worm PCR: A Method to Extract and Amplify Genomic DNA
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2023
This video describes a technique to rapidly screen a single nematode for a genetic marker by PCR screening. In the example protocol, we screen for CRISPR-based genome editing.
04:32
Chip-in-a-Tube-Based Digital PCR for Quantification of Single Nucleotide Variants
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2025
This video demonstrates the utility of digital PCR in a chip-in-a-tube format for the detection of single nucleotide variations in DNA samples. A single PCR reaction is partitioned into chambers that act as independent PCR reactions, and the detection of fluorescence signals from the amplified targets in the chambers is used to compute the frequency of the variant allele in the sample.
07:31
Profiling Voltage-gated Potassium Channel mRNA Expression in Nigral Neurons using Single-cell RT-PCR Techniques
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Cited by 2 •
2011
Neurons are first characterized electrophysiologically. Then the cytoplasm from the recorded neuron is aspirated and subjected to reverse transcription-PCR analysis to detect the expression of mRNAs for neurotransmitter synthesis enzymes, ion channels, and receptors.
09:03
Profiling Individual Human Embryonic Stem Cells by Quantitative RT-PCR
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Cited by 4 •
2014
Single cell gene expression assay is needed for understanding stem cell heterogeneities.
02:10
Single Cell Sampling Using Micromanipulation: A Technique to Isolate Single Cells from Cancer Cell Suspension
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2023
This video describes the technique for isolating single cells from a pool of target cells to carry out downstream analysis. In this method, a micromanipulator fitted to a microscope is used for high-precision isolation of a single target cell.
FAQs
The workflow keeps genetic material associated with an individual cell before analysis, allowing detected mutations, transcripts, or pathogens to be assigned to that specific cell. In contrast, bulk samples combine material from many cells, which can obscure rare cell populations or differences between cells. This cell-level association is especially important when studying heterogeneous diseases.
Cell lysis releases nucleic acids from the isolated cell so they can be analyzed. Sequence-specific primers then direct PCR amplification toward the genetic target of interest. When the target is RNA, reverse transcription first converts it into a form suitable for amplification. Together, these steps determine which cell-specific mutations, transcripts, or pathogens can be detected.
Single-cell PCR preserves differences among individual cells instead of combining their genetic signals into one composite result. That distinction can expose mutations or molecular features confined to a subset of cells, while bulk analysis may dilute or conceal them. The approach therefore supports investigation of cellular heterogeneity, including variation within tumors or immune-cell populations.
A typical workflow begins by isolating an individual cell and lysing it to release its nucleic acids. Researchers then select sequence-specific primers for the target and perform PCR amplification. If the target is RNA, reverse transcription precedes amplification. The resulting analysis links the detected genetic signal to the original cell rather than to a mixed sample.
Medical researchers can apply the method to characterize tumor heterogeneity, identify rare circulating cells, investigate immune-cell responses, and examine genetic or infectious-disease targets. These uses are valuable when clinically relevant signals may occur only in particular cells. Linking each molecular finding to its cell of origin helps distinguish uncommon populations from the broader cellular background.
By connecting a molecular profile with an individual cell, single-cell PCR provides more specific information about which cells carry a mutation, transcript, or pathogen. In medicine, that resolution can strengthen precision diagnosis and clarify how disease-related cellular populations differ. The same information can also improve understanding of mechanisms operating within tumors, immune responses, or infections.