Transgenic Mice Expressing Human LAMA5 and Its Effects on Mouse Laminin
Author Information
Author(s): Steenhard Brooke M., Zelenchuk Adrian, Stroganova Larysa, Isom Kathryn, St. John Patricia L., Andrews Glen K., Peterson Kenneth R., Abrahamson Dale R.
Primary Institution: University of Kansas Medical Center
Hypothesis
Does the expression of human LAMA5 in transgenic mice affect the expression of mouse Lama5?
Conclusion
The study found that transgenic mice expressing human LAMA5 showed reduced levels of mouse Lama5 mRNA and protein deposition.
Supporting Evidence
- Transgenic mice deposited human laminin α5 protein into various organs including the kidney.
- Line 13 transgenic mice expressed approximately 6 times more LAMA5 than Line 25.
- Kidney function and morphology were normal in both transgenic lines.
- Expression of human LAMA5 did not affect the timing of mouse laminin isoform switching.
Takeaway
Scientists created special mice that have a human gene to see how it affects a similar mouse gene, and they found that the human gene made the mouse gene less active.
Methodology
The researchers generated transgenic mice using a bacterial artificial chromosome containing the human LAMA5 gene and analyzed kidney function and morphology.
Limitations
The study primarily focused on two transgenic lines and may not represent all possible effects of human LAMA5 expression.
Statistical Information
P-Value
p<0.0001
Statistical Significance
p<0.0001
Digital Object Identifier (DOI)
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