Impaired Cognitive Function and Altered Hippocampal Synapse Morphology in Mice Lacking Lrrtm1, a Gene Associated with Schizophrenia
2011

Study of Mice Lacking the Lrrtm1 Gene and Its Link to Schizophrenia

Sample size: 51 publication 10 minutes Evidence: moderate

Author Information

Author(s): Takashima Noriko, Odaka Yuri S., Sakoori Kazuto, Akagi Takumi, Hashikawa Tsutomu, Morimura Naoko, Yamada Kazuyuki, Aruga Jun

Primary Institution: RIKEN Brain Science Institute (BSI), Wako-shi, Saitama, Japan

Hypothesis

The study investigates the behavioral and morphological characteristics of Lrrtm1 knockout mice to understand its association with schizophrenia.

Conclusion

Lrrtm1 knockout mice exhibit impaired cognitive function and altered hippocampal synapse morphology, suggesting a potential link to schizophrenia.

Supporting Evidence

  • Lrrtm1 knockout mice showed reduced locomotor activity and altered responses to novel environments.
  • Behavioral tests indicated deficits in social discrimination and spatial memory.
  • Histological analysis revealed reduced hippocampal volume and synaptic density in Lrrtm1 knockout mice.

Takeaway

Researchers studied mice without a specific gene to see how it affects their behavior and brain structure, finding that it might relate to schizophrenia.

Methodology

The study involved generating Lrrtm1 knockout mice and conducting various behavioral tests and morphological analyses on their brains.

Potential Biases

Potential bias in behavioral assessments due to the subjective nature of some observations.

Limitations

The study primarily focuses on male mice, which may limit the generalizability of the findings to females.

Participant Demographics

Male Lrrtm1 knockout and wild-type mice, aged 3 to 8 months.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0022716

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