Reporter Cell Line
Reporter Cell Line - Related Videos
03:50
A Lentiviral Transcriptional Reporter System to Generate a Glioblastoma Stem Cell Differentiation Reporter Line
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2025
This video demonstrates a technique to generate a glioblastoma stem cell reporter line to identify the differentiation of glioblastoma stem cells (GSCs) into astroglia. It outlines the steps involved in seeding GSCs, transducing them with a lentivirus encoding GFP, and determining GFP reporter expression through flow cytometry.
12:58
Transfecting RAW264.7 Cells with a Luciferase Reporter Gene
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Cited by 13 •
2015
Transfection into the macrophage cell line, RAW264.7, is difficult due to the cell’s natural response against foreign materials. We described here a gentle yet robust procedure for transfecting luciferase reporter genes into RAW264.7 cells.
11:03
Massively Parallel Reporter Assays in Cultured Mammalian Cells
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Cited by 63 •
2014
The genetic reporter assay is a well-established and powerful tool for dissecting the relationship between DNA sequences and their gene regulatory activities. Coupling candidate regulatory elements to reporter genes that carry identifying sequence tags enables massive parallelization of these assays.
14:49
Self-reporting Scaffolds for 3-Dimensional Cell Culture
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Cited by 7 •
2013
Biocompatible pH responsive sol-gel nanosensors can be incorporated into poly(lactic-co-glycolic acid) (PLGA) electrospun scaffolds. The produced self-reporting scaffolds can be used for in situ monitoring of microenvironmental conditions whilst culturing cells upon the scaffold. This is beneficial as the 3D cellular construct can be monitored in real-time without disturbing the experiment.
03:57
Preparation of Reporter-Expressing Cancer Cells for In Vivo Imaging
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2026
Source: Chen, H. et. al. Live Cell Imaging of the TGF-β/Smad3 Signaling Pathway In Vitro and In Vivo Using an Adenovirus Reporter System. J. Vis. Exp. (2018)This video demonstrates the preparation of luciferase-expressing breast cancer cells using recombinant adenoviruses for in vivo imaging.
FAQs
The promoter or other regulatory sequence is selected to respond to a particular biological pathway or event. When that regulatory element becomes active, it drives reporter-gene expression, producing a signal associated with the pathway under study. This design links the measured output to a defined cellular response rather than to general cell activity alone.
A reporter signal reflects pathway activity under defined conditions, so changes in those conditions can affect how the result should be interpreted. Drug exposure, environmental changes, or other experimental inputs may alter cellular responses and therefore reporter expression. Keeping conditions consistent supports repeatable comparisons between treatments, samples, or experimental groups.
Fluorescent and luminescent proteins provide different forms of measurable output from reporter-gene expression. The appropriate signal type depends on how the experiment will monitor the selected biological event and compare cellular responses. In either case, the output converts pathway-linked gene regulation into a measurement that can support mechanistic analysis or assay development.
Researchers connect a reporter gene to a promoter or regulatory sequence controlled by the gene-regulatory or signaling process of interest. Measuring the resulting signal reveals whether that regulatory element responds under the tested conditions. This approach helps examine pathway activation as a cellular readout without relying only on changes that are difficult to observe directly.
A study begins by selecting a line whose reporter is linked to the biological event being examined, then exposing the cells to defined experimental conditions such as a drug or environmental change. The resulting fluorescent or luminescent signal is measured and compared across conditions. These comparisons indicate how strongly the tested input affects the linked cellular response.
They are useful when researchers need repeatable measurements of how cells respond to a drug or environmental change. A linked reporter converts the relevant pathway response into a measurable signal, allowing conditions to be compared systematically. This supports mechanistic research and assay development, and it can extend to high-throughput screening when many conditions must be evaluated.