Chemogenetic Inhibition of Prefrontal Cortex Ameliorates Autism-Like Social Deficits and Absence-Like Seizures in a Gene-Trap Ash1l Haploinsufficiency Mouse Model
2024

Chemogenetic Inhibition of Prefrontal Cortex Improves Autism-Like Behaviors and Seizures in Mice

Sample size: 14 publication Evidence: high

Author Information

Author(s): Kaijie Ma, Kylee McDaniel, Daoqi Zhang, Maria Webb, Luye Qin

Primary Institution: Sanford School of Medicine, University of South Dakota

Hypothesis

The study aims to characterize behavioral deficits and reveal synaptic mechanisms in an Ash1l haploinsufficiency mouse model.

Conclusion

Increased neural activity in the prefrontal cortex contributes to autism-like social deficits and absence-like seizures in Ash1l haploinsufficiency mice.

Supporting Evidence

  • Ash1l haploinsufficiency caused autism-like behavioral deficits and absence-like seizures.
  • Chemogenetic inhibition of pyramidal neurons in the PFC ameliorated autism-like social deficits.
  • Electrophysiological recordings showed increased excitability of pyramidal neurons in Ash1l+/GT mice.

Takeaway

Mice with a specific gene change showed social difficulties and seizures, but blocking certain brain cells helped them behave better.

Methodology

Behavioral tests, electrophysiological recordings, and chemogenetic approaches were used to assess the effects of Ash1l haploinsufficiency.

Participant Demographics

Male and female Ash1l+/GT and Ash1l+/+ mice, aged 6-8 weeks.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3390/genes15121619

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication