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Circadian-Regulated Cell Death in Cardiovascular Diseases
Inna Rabinovich-Nikitin1, Brooke Lieberman1, Tami A Martino2
1The Institute of Cardiovascular Sciences, St Boniface Hospital Albrechtsen Research Centre, Department of Physiology and Pathophysiology, Rady College of Medicine, Max Rady Faculty of Health Sciences, University of Manitoba, Canada (I.R.-N., B.L., L.A.K.).
Circulation
|February 12, 2019
Summary
Circadian rhythms influence cardiovascular health and disease, impacting heart rate and blood pressure daily. Understanding these biological rhythms is key to optimizing cardiac treatments and improving patient outcomes.
Area of Science:
- Cardiovascular Biology
- Chronobiology
- Cellular Physiology
Background:
- Circadian clocks regulate daily biological rhythms in cardiovascular function, affecting heart rate and blood pressure.
- These rhythms are crucial in both maintaining cardiovascular health and the progression of cardiovascular diseases.
Purpose of the Study:
- To explore the relationship between circadian rhythms and cardiovascular disease pathogenesis.
- To highlight the connection between circadian rhythms and cellular processes governing cell fate.
Main Methods:
- Review of human and animal studies on circadian clocks and cardiovascular rhythms.
- Analysis of the role of circadian rhythms in myocardial infarction, ischemia-reperfusion injury, and heart failure.
- Investigation of cell death pathways (apoptosis, necrosis, autophagy) in relation to circadian regulation.
Main Results:
- Circadian rhythms significantly influence cardiovascular parameters over a 24-hour period.
- The timing of cardiac treatments can impact cardiovascular outcomes.
- Cardiac tolerance and sensitivity to injury vary depending on the time of day.
Conclusions:
- Circadian rhythms are intricately linked with homeostatic processes controlling cell fate.
- Understanding these cellular mechanisms is vital for developing optimized cardiovascular treatment strategies.
- Targeting circadian pathways may offer novel therapeutic approaches for cardiovascular diseases.
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