Kisspeptin Levels Increase in the Brain After Intracerebral Hemorrhagic Stroke
Author Information
Author(s): Maheshwari Saumya, Um In Hwa, Donachie Struan, Asghar Nafeesa, McDade Karina, Millar Tracey, Harrison David J., Tello Javier A.
Primary Institution: University of St Andrews
Hypothesis
Is kisspeptin immunoreactivity higher in the brain from patients that suffered either intracerebral hemorrhage (ICH) or ICH associated with cerebral amyloid angiopathy (CAA), compared to controls?
Conclusion
Kisspeptin immunoreactivity is significantly higher in post-mortem human brain tissue after intracerebral hemorrhage.
Supporting Evidence
- Kisspeptin immunoreactivity was significantly higher in both ICH and ICH CAA cohorts compared to controls.
- Kisspeptin was concentrated in the microvasculature and regions of hemorrhage.
- Machine learning analysis confirmed the localization of kisspeptin to specific cell types in the brain.
Takeaway
This study found that a substance called kisspeptin is much higher in the brains of people who had a type of stroke called intracerebral hemorrhage, which could help doctors diagnose and treat strokes better.
Methodology
Post-mortem brain tissue from individuals who suffered ICH, ICH associated with CAA, and control subjects was analyzed using multiplexed immunofluorescence and machine learning image analysis.
Potential Biases
Investigators were blinded to group assignments during image analysis to minimize bias.
Limitations
The overall study sample size was small, and further studies with larger sample sizes are needed to confirm findings.
Participant Demographics
The study included 6 ICH patients (median age 67.5, 33% female), 5 ICH CAA patients (median age 77.0, 20% female), and 6 sudden death controls (median age 71.0, 33% female).
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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