iTRAQ Analysis of Complex Proteome Alterations in 3xTgAD Alzheimer's Mice: Understanding the Interface between Physiology and Disease
2008

Proteomic Changes in Alzheimer's Disease Mice

Sample size: 8 publication Evidence: moderate

Author Information

Author(s): Martin Bronwen, Brenneman Randall, Becker Kevin G., Gucek Marjan, Cole Robert N., Maudsley Stuart

Primary Institution: National Institute on Aging Intramural Research Program

Hypothesis

The study aims to elucidate the complex proteome alterations in the brains of 3xTgAD Alzheimer's mice compared to non-transgenic controls.

Conclusion

The study found significant alterations in proteins related to synaptic plasticity and energy metabolism in the brains of Alzheimer's mice, which may inform therapeutic strategies.

Supporting Evidence

  • The study identified 142 significantly regulated proteins in the cortex and 91 in the hippocampus of 3xTgAD mice.
  • Proteins involved in synaptic transmission were found to be upregulated in the brains of Alzheimer's mice.
  • The findings suggest a complex interplay between neurodegeneration and adaptive responses in Alzheimer's disease.

Takeaway

Researchers looked at brain proteins in mice with Alzheimer's disease and found changes that could help us understand the disease better and find new treatments.

Methodology

The study used iTRAQ mass spectrometry to analyze protein levels in the cortex and hippocampus of 16-month-old 3xTgAD and control mice.

Potential Biases

Potential bias in protein expression due to pooling of samples from multiple animals.

Limitations

The study primarily focused on a specific mouse model and may not fully represent human Alzheimer's disease pathology.

Participant Demographics

16-month-old male 3xTgAD and non-transgenic control mice.

Statistical Information

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0002750

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