From Adipose Tissue to the Heart: Leptin, Exercise, and Cardiovascular Risk in Women

Area of Science:

• Endocrinology
• Cardiology
• Women's Health

Background:

• Cardiovascular disease (CVD) is a primary cause of death in women, with underrepresented sex-specific risk factors.
• Leptin, an adipokine from adipose tissue, impacts cardiometabolic health, appetite, cardiac remodeling, vascular function, and sympathetic activity.
• Estrogen influences the leptin-CVD relationship, with its decline during menopause affecting cardiac health.

Purpose of the Study:

• To explore the role of leptin in women's cardiovascular health.
• To investigate the impact of exercise on leptin levels and sensitivity.
• To identify leptin as a potential biomarker and exercise as an intervention for CVD risk in women.

Main Methods:

• Review of existing literature on leptin, cardiovascular disease, estrogen, and exercise in women.
• Analysis of how hyperleptinemia and leptin resistance affect cardiometabolic parameters.
• Examination of exercise's influence on leptin levels, sensitivity, and CVD risk factors.

Main Results:

• Hyperleptinemia and leptin resistance are linked to appetite dysregulation, cardiac remodeling, vascular issues, and sympathetic overactivity.
• Exercise, especially moderate aerobic activity, can lower leptin levels and enhance central sensitivity.
• Weight loss and energy balance modulate the leptin-exercise interaction, though mechanisms require further elucidation.

Conclusions:

• Leptin plays a significant role in women's cardiovascular health, influenced by estrogen status.
• Aerobic exercise offers benefits for cardiovascular health in women, particularly postmenopausal individuals.
• Leptin can serve as a CVD risk biomarker, with exercise as a viable non-pharmacological intervention.