Genetic Background Influences Retinal Phenotype in Mice
Author Information
Author(s): Jelcick Austin S., Yuan Yang, Leehy Barrett D., Cox Lakeisha C., Silveira Alexandra C., Qiu Fang, Schenk Sarah, Sachs Andrew J., Morrison Margaux A., Nystuen Arne M., DeAngelis Margaret M., Haider Neena B.
Primary Institution: University of Nebraska Medical Center
Hypothesis
Variation in genetic background can significantly influence the phenotypic outcome of both disease and non-disease associated traits in the mouse retina.
Conclusion
The study highlights the substantial impact of genetic background on the development and function of the retina, revealing strain-specific variations in gene expression and retinal function.
Supporting Evidence
- Over 3000 differentially expressed genes were identified between strains and developmental stages.
- Differential gene expression was confirmed by qRT-PCR, Western blot, and immunohistochemistry.
- Three major gene networks were identified that regulate retinal development and function.
Takeaway
Different mouse strains have unique genes that affect how their eyes develop and work, which can help us understand eye diseases in humans.
Methodology
Microarray analysis was performed on retinas from four mouse strains at two developmental stages, followed by confirmation using qRT-PCR.
Limitations
The study is limited to specific mouse strains and may not fully represent the genetic diversity found in human populations.
Participant Demographics
Mice from four genetically divergent inbred strains: C57BL6/J, AKR/J, CAST/EiJ, and NOD.NON-H2-nb1.
Statistical Information
P-Value
<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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