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Changes in proinflammatory cytokine activity after menopause
Johannes Pfeilschifter1, Roland Köditz, Martin Pfohl
1Department of Internal Medicine, Berufsgenossenschaftliche Kliniken Bergmannsheil, University of Bochum, D-44789 Bochum, Germany. Pfeilschifter@ruhr-uni-bochum.de
Endocrine Reviews
|February 15, 2002
Summary
Menopause causes increased proinflammatory cytokines, linked to bone loss and potentially vascular issues. Understanding estrogen
Area of Science:
- Reproductive Endocrinology
- Immunology
- Bone Biology
Background:
- Menopause is associated with declining ovarian function.
- This decline correlates with increased proinflammatory cytokines, including IL-1, IL-6, and TNF-alpha.
- Estrogen's precise role in modulating cytokine activity is not fully understood.
Purpose of the Study:
- To explore the link between estrogen, cytokines, and menopausal health outcomes.
- To investigate the mechanisms underlying estrogen's interaction with cytokine activity.
- To assess the relevance of these changes to bone loss and vascular health.
Main Methods:
- Review of experimental and clinical studies.
- Analysis of evidence linking cytokine activity to postmenopausal conditions.
- Exploration of potential molecular mechanisms of estrogen-cytokine interaction.
Main Results:
- Strong evidence supports a connection between elevated proinflammatory cytokines and postmenopausal bone loss.
- Preliminary data suggest these cytokine changes may impact vascular homeostasis and atherosclerosis.
- Potential mechanisms involve ER interactions, nitric oxide, antioxidant effects, and immune cell function.
Conclusions:
- Increased proinflammatory cytokine activity is a key feature of menopause, contributing to bone loss.
- These inflammatory changes may also play a role in vascular disease development.
- Further research into these mechanisms could reveal new therapeutic targets for postmenopausal disorders.