Lack of LDL Receptor Enhances Amyloid Deposition and Decreases Glial Response in an Alzheimer's Disease Mouse Model
2011

LDL Receptor Deletion Increases Amyloid Plaque Formation in Alzheimer's Disease Mouse Model

Sample size: 7 publication Evidence: moderate

Author Information

Author(s): Katsouri Loukia, Georgopoulos Spiros, Block Michelle L.

Primary Institution: Biomedical Research Foundation of the Academy of Athens, Athens, Greece

Hypothesis

Does the deletion of the LDL receptor (LDLR) affect amyloid deposition in an Alzheimer's disease mouse model?

Conclusion

The study found that LDLR deficiency leads to increased amyloid plaque deposition and decreased glial response in an Alzheimer's disease mouse model.

Supporting Evidence

  • LDLR deficiency was associated with increased amyloid plaque deposition in the brains of transgenic mice.
  • Astrocytic and microglial responses were significantly reduced in LDLR deficient mice.
  • The study demonstrated that LDLR regulates glial response independently of ApoE.

Takeaway

When scientists removed a specific receptor from mice that model Alzheimer's disease, they found more sticky plaques in the brain and less response from brain helpers called glial cells.

Methodology

The study used APP/PS1 transgenic mice to investigate the effects of LDLR deletion on amyloid deposition and glial response.

Participant Demographics

4 months old female mice

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0021880

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