Axin2-lacz Reporter
Axin2-lacz Reporter - Related Videos
09:49
Quantitative Measurement of Relative Retinoic Acid Levels in E8.5 Embryos and Neurosphere Cultures Using the F9 RARE-Lacz Cell-based Reporter Assay
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Cited by 6 •
2016
Methods to accurately measure retinoic acid (RA) levels in small amounts of tissue do not exist. This protocol describes the easy, quantitative measurement of relative RA levels in E8.5 embryos and neurospheres using an RA reporter cell line.
03:56
Measuring Retinoic Acid Levels in Neurospheres Using a Retinoic Acid Reporter Cell Line
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2025
This video demonstrates the measurement of retinoic acid (RA) secretion from neurosphere cells using RA reporter cells. It outlines the steps involved in co-culturing neurosphere cells with RA reporter cells and performing a colorimetric RA assay to measure RA levels.
02:15
Employing Reporter Cells in a Co-Culture to Study Retinoic Acid Production by Mouse Embryonic Cells
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2025
This video demonstrates a technique for assessing retinoic acid activity in mouse embryos. Upon isolating cells from the mouse embryos, the cells are co-cultured with retinoic acid (RA) reporter cells. Embryonic cells produce RA, which induces beta-galactosidase expression in reporter cells, indicating RA activity in the embryonic cells.
11:14
Isolating LacZ-expressing Cells from Mouse Inner Ear Tissues using Flow Cytometry
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Cited by 7 •
2011
Flow cytometry is a powerful tool allowing for the isolation and study of specific cell populations. This protocol describes steps for isolating LacZ-expressing cells from cochlear tissues from neonatal transgenic mice. Dissociated cochlear cells were labeled using fluorescent-conjugated substrates of β-galactosidase prior to separation via flow cytometry.
01:24
Data Reporting and Recording
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2023
Reporting and recording are crucial in data documentation. The timely, thorough, and accurate documentation of facts is essential when recording patient data. Failure to record findings during an assessment or interpretation of a problem will result in loss of information and make the patient document unreliable. The reader is left with general impressions if the information is not specific. A recording is documenting data of the individual's health information in a traceable, secure, and...
FAQs
Regulatory elements from the Axin2 gene respond to canonical Wnt pathway activity by driving lacZ expression. Cells with pathway activity therefore produce β-galactosidase, which can be detected through staining. This converts a molecular signaling state into a tissue-level pattern, allowing investigators to relate Wnt responsiveness to the position and organization of cells in neural tissues.
The Axin2 regulatory elements provide the signaling-responsive control, while lacZ supplies the detectable output. When canonical Wnt signaling activates the relevant regulatory program, β-galactosidase is produced in the corresponding cells. Staining for this enzyme then reveals where pathway-responsive cells are located and how their distribution varies across a tissue.
Neural tissues contain populations whose signaling states change as cells become specified, organize within the brain, or respond to tissue disruption. Axin2-lacZ makes these patterns visible in their anatomical context, helping researchers associate canonical Wnt activity with neural cell specification, tissue organization, and changes linked to injury or disease.
The location and relative distribution of β-galactosidase-positive cells can indicate which regions contain stronger or more prevalent Axin2-associated pathway activity. In neuroscience, these patterns help identify neural progenitor and stem-cell populations and examine how signaling is arranged during brain development. They also provide a way to compare pathway patterns across distinct tissue contexts.
A typical analysis uses the reporter tissue, applies staining that detects β-galactosidase, and examines the resulting pattern within the nervous system. Investigators then map the stained cells and evaluate their relative distribution in relation to neural structures or developmental regions. This workflow turns reporter expression into anatomical information about pathway-responsive populations.
The system is particularly informative when researchers need to follow canonical Wnt pathway patterns across neural development or identify cells associated with progenitor and stem-cell states. It can also be used to examine pathway changes after injury or during disease-related conditions. These applications connect signaling distributions with neural specification, organization, and possible regenerative responses.