Monocyte Subsets in Atherosclerosis and Modification with Exercise in Humans.

Area of Science:

• Cardiovascular Science
• Immunology
• Exercise Physiology

Background:

• Atherosclerosis is characterized by chronic arterial inflammation and altered monocyte subsets.
• Specific monocyte subsets play key roles in atherosclerotic plaque development and progression.
• Aerobic exercise is a potent factor in mitigating cardiovascular disease progression.

Purpose of the Study:

• To review current knowledge on monocyte subsets in atherosclerosis.
• To highlight the impact of exercise on monocyte behavior and function.
• To explore exercise-induced monocyte modulation as a cardio-protective mechanism.

Main Methods:

• Review of existing clinical and epidemiological studies.
• Analysis of research on monocyte subset contributions to atherosclerosis.
• Synthesis of findings on acute and chronic exercise effects on monocytes.

Main Results:

• Increased proportion and activation of specific monocyte subsets are observed in atherosclerosis.
• Aerobic fitness is an independent predictor of cardiovascular mortality.
• Exercise training modulates monocyte recruitment, margination, and cytokine/chemokine production.

Conclusions:

• Monocyte subset modulation by exercise may underlie its cardio-protective effects.
• Understanding exercise-monocyte interactions is crucial for cardiovascular disease prevention.
• Further research can elucidate specific mechanisms of exercise's benefits on atherosclerosis.