Effects of Hormone Therapy and Flavonoids Capable on Reversal of Menopausal Immune Senescence.
Level 5 - mechanism / opinion, no new human data
Narrative review without systematic search methodology or original data synthesis
PubMed 34371873 · doi:10.3390/nu13072363
What was done
This narrative review synthesized literature examining the effects of hormone replacement therapy (HRT) and dietary flavonoids (specifically isoflavones) on reversing female immune senescence and peri- and postmenopausal inflammatory states.
What was found
The abstract reports no quantitative values or effect sizes. Qualitatively, it notes that HRT reverses shifts in the CD4/CD8 ratio and reduces elevated levels of pro-inflammatory cytokines, specifically interleukin (IL)-1β, IL-6, IL-8, and tumor necrosis factor-α (TNF-α). Conversely, HRT has demonstrated no clear effect on IL-4, IL-10, and IL-12 in some studies. Flavonoids, particularly isoflavones, are noted for anti-inflammatory properties that potentially interact with cytokines to influence immune senescence.
Why it matters
Understanding how endocrine changes during menopause accelerate immune deterioration helps clarify whether hormone therapy or phytoestrogens provide systemic immunological benefits beyond symptom relief.
Limits
As a narrative review, it lacks a systematic search strategy, quality appraisal of cited studies, or quantitative meta-analysis. The abstract provides no specific numerical data, sample sizes, or standardized intervention details for either HRT or flavonoid regimens.
Cited by
- supports Estrogen has significant anti-inflammatory benefits, leading to a baseline increase in systemic inflammation upon entering menopause.