New Method to Study Genetic Variants in Mice
Author Information
Author(s): Hollingsworth Ethan W., Liu Taryn A., Alcantara Joshua A., Chen Cindy X., Jacinto Sandra H., Kvon Evgeny Z.
Primary Institution: University of California, Irvine
Hypothesis
Can a new CRISPR-based system effectively test the effects of human non-coding variants linked to diseases in live mice?
Conclusion
The dual-enSERT system allows for rapid and quantitative analysis of enhancer variant activities in live mice, implicating certain variants in conditions like autism.
Supporting Evidence
- The dual-enSERT system enables the testing of multiple enhancer variants in a single mouse.
- Results showed significant differences in enhancer activity linked to specific genetic variants.
- Single-cell transcriptomics revealed pathways affected by enhancer misregulation.
- Variants tested included those associated with limb polydactyly and autism spectrum disorder.
Takeaway
Scientists created a new tool to quickly test how certain genetic changes affect mice, helping to understand diseases like autism better.
Methodology
The study used a CRISPR-based dual-fluorescent reporter system to compare enhancer activities in live mice.
Potential Biases
Potential bias due to the reliance on specific genetic models and the limited number of variants tested.
Limitations
The system may not capture all effects of enhancer variants across different developmental stages.
Participant Demographics
Mice used in the study were genetically modified to express specific fluorescent markers.
Statistical Information
P-Value
0.00072
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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