Functional Conservation of Pax6 Regulatory Elements in Humans and Mice
Author Information
Author(s): Tyas David A, Simpson T Ian, Carr Catherine B, Kleinjan Dirk A, van Heyningen Veronica, Mason John O, Price David J
Primary Institution: University of Edinburgh
Hypothesis
The study investigates the functional conservation of Pax6 regulatory elements between humans and mice.
Conclusion
The study demonstrates that the regulatory elements controlling Pax6 expression are functionally conserved in both species.
Supporting Evidence
- The Pax6 gene is essential for normal cell proliferation and differentiation in the eyes and CNS.
- Transgenic mice expressing GFP under the control of human PAX6 regulatory elements were successfully generated.
- GFP expression was confined to cells known to express Pax6, allowing for identification using flow cytometry.
Takeaway
Scientists created special mice that help them understand how a gene important for eye and brain development works in both mice and humans.
Methodology
Transgenic mice were generated using a modified yeast artificial chromosome containing human PAX6 regulatory elements.
Limitations
The modified transgene did not rescue eye or brain defects in Pax6 mutant mice, indicating potential limitations in its functional application.
Digital Object Identifier (DOI)
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