Development of transgenic rats producing human β-amyloid precursor protein as a model for Alzheimer's disease: Transgene and endogenous APP genes are regulated tissue-specifically
2008

Transgenic Rats as a Model for Alzheimer's Disease

Sample size: 18 publication 10 minutes Evidence: moderate

Author Information

Author(s): Agca Cansu, Fritz Jason J, Walker Lary C, Levey Allan I, Chan Anthony WS, Lah James J, Agca Yuksel

Primary Institution: University of Missouri College of Veterinary Medicine

Hypothesis

The study aims to develop a transgenic rat model that expresses human β-amyloid precursor protein to better understand Alzheimer's disease.

Conclusion

The APP21 rat line expresses high levels of human APP and could be a useful model for Alzheimer's disease research.

Supporting Evidence

  • The APP21 rat line expresses significantly more APP mRNA than wild-type rats.
  • Serum levels of human amyloid-beta were measurable in APP21 animals.
  • The study demonstrates the feasibility of generating stable transgenic rat models for Alzheimer's disease research.

Takeaway

Scientists created special rats that can help us learn more about Alzheimer's disease by studying how a specific protein behaves in their brains.

Methodology

Transgenic rats were created using lentiviral vector infection of zygotes, and their APP expression was analyzed through various techniques including ELISA and Northern blot.

Potential Biases

Potential bias in the interpretation of results due to the limited number of transgenic lines studied.

Limitations

The study primarily focuses on two transgenic lines and may not represent all aspects of Alzheimer's pathology.

Participant Demographics

Fischer 344 rats were used as the genetic background for the transgenic models.

Statistical Information

P-Value

<0.0001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2202-9-28

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