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Leptin and reproduction: a review
Stergios Moschos1, Jean L Chan, Christos S Mantzoros
1Division of Endocrinology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, USA.
Fertility and Sterility
|March 2, 2002
Summary
Leptin, an adipocyte hormone, is crucial for reproductive function, linking energy stores to the reproductive system. Dysregulation of leptin is associated with various reproductive disorders, suggesting potential therapeutic targets.
Area of Science:
- Reproductive Endocrinology
- Hormonal Regulation
- Metabolic Physiology
Background:
- Leptin is an adipocyte-derived hormone vital for regulating energy homeostasis.
- It plays a significant role in the intricate interplay between energy balance and reproductive function.
Purpose of the Study:
- To review recent advancements in understanding leptin's role in reproductive physiology and pathophysiology.
- To focus on the clinical implications of leptin in reproductive health.
Main Methods:
- A comprehensive literature search was conducted using MEDLINE to identify relevant studies.
- Recent advances in leptin's role in reproduction were synthesized.
Main Results:
- Leptin influences the reproductive axis at the hypothalamus, pituitary, and gonads.
- It impacts reproductive organs like the endometrium, placenta, and mammary gland, affecting menstruation, pregnancy, and lactation.
- Suboptimal nutrition (e.g., eating disorders, amenorrhea) is linked to low leptin, while obesity and PCOS show altered leptin levels, suggesting leptin deficiency or resistance in reproductive abnormalities.
Conclusions:
- Leptin serves as a critical mediator between adipose tissue and the reproductive system, signaling energy availability for reproduction.
- Further research and leptin-based interventions may offer new treatments for reproductive dysfunction linked to leptin imbalances.