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Related Experiment Video

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Sex Hormones in Lymphedema.

Florent Morfoisse1, Audrey Zamora1, Emmanuelle Marchaud1

  • 1UMR 1297-I2MC, Inserm, Université de Toulouse, UT3, 31432 Toulouse, France.

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Summary

Lymphedema, a lymphatic vascular disorder, disproportionately affects females. This review explores the understudied role of female hormones, like estrogens, and hormone therapies in lymphedema development.

Keywords:
hormone therapylymphatic systemlymphedemasex hormones

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Area of Science:

  • Lymphatic Vascular System
  • Endocrinology
  • Oncology

Background:

  • Lymphedema is a chronic condition characterized by fluid accumulation and tissue changes in limbs due to lymphatic system dysfunction.
  • Primary lymphedema shows a 3:1 female-to-male ratio, suggesting a role for sex-linked factors.
  • Secondary lymphedema commonly affects women post-breast cancer treatment, often involving hormone therapies.

Purpose of the Study:

  • To review the impact of sex hormones on lymphatic system physiology.
  • To investigate the potential link between hormone therapy and the development of lymphedema.
  • To explore the under-researched role of estrogens and other sex hormones in lymphedema etiology.

Main Methods:

  • Literature review of studies on lymphatic system physiology and sex hormones.
  • Analysis of clinical data regarding lymphedema prevalence in relation to hormone therapies.
  • Examination of research on estrogen receptor antagonists and aromatase inhibitors in lymphedema.

Main Results:

  • The lymphatic system's physiology is influenced by sex hormones, particularly estrogens.
  • Hormone therapies, including estrogen receptor antagonists and aromatase inhibitors, are potential contributors to secondary lymphedema.
  • The precise mechanisms linking sex hormones, gender, and lymphedema require further investigation.

Conclusions:

  • Sex hormones, especially estrogens, play a significant role in lymphatic system function and lymphedema development.
  • Hormone therapies used in cancer treatment may promote lymphatic dysfunction and lymphedema.
  • Further research is crucial to elucidate the complex interplay between sex hormones, gender, and lymphedema.