Effects of Chronic Intermittent Hypoxia on Brain Enzymes in Rats
Author Information
Author(s): Mabry Steve, Bradshaw Jessica L., Gardner Jennifer J., Wilson E. Nicole, Sunuwar Janak, Yeung Hannah, Shrestha Sharad, Cunningham J. Thomas, Cunningham Rebecca L.
Hypothesis
Chronic intermittent hypoxia affects protease activity and neuronal activation in brain regions associated with learning and memory in a sex-dependent manner.
Conclusion
Chronic intermittent hypoxia disrupts protease activity and impairs neuronal function differently in male and female rats.
Supporting Evidence
- Chronic intermittent hypoxia dysregulated calpain and caspase-3 activity in specific brain regions.
- EGR-1 expression was decreased in both male and female rats.
- Correlational analysis showed sex-specific differences in neuronal connections due to chronic intermittent hypoxia.
Takeaway
This study found that lack of oxygen during sleep can hurt the brain's ability to learn and remember, and this effect is different for boys and girls.
Methodology
Male and female Sprague Dawley rats were exposed to chronic intermittent hypoxia or room air for 14 days, and protease activity and neuronal activation were measured in various brain regions.
Participant Demographics
Male and female Sprague Dawley rats.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website