Effects of Gene Knockout on Mouse Body Weight
Author Information
Author(s): Reed Danielle R, Lawler Maureen P, Tordoff Michael G
Primary Institution: Monell Chemical Senses Center
Hypothesis
Do gene knockouts generally influence body weight in mice?
Conclusion
About one-third of viable knockout mouse strains weigh less than controls, indicating that gene knockouts commonly affect body weight.
Supporting Evidence
- 31% of viable knockout mouse strains weighed less than control mice.
- 3% of viable knockout mouse strains weighed more than control mice.
- The study analyzed 1,977 knockout strains from the Mouse Genome Database.
Takeaway
When scientists turn off certain genes in mice, many of them end up being lighter or heavier than normal mice, which is important to know when studying other health issues.
Methodology
The study surveyed the Mouse Genome Database and contacted researchers for body weight data on knockout mouse strains.
Potential Biases
The selection of genes for knockout may not represent all genes, leading to potential bias in the findings.
Limitations
Many strains lacked body weight information, which could bias the results.
Participant Demographics
Mice used in the study were knockout strains from various genetic backgrounds.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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