The effect of the phytoestrogen genistein and hormone replacement therapy on homocysteine and C-reactive protein level in postmenopausal women
Abstract
BACKGROUND: The aim of the study was to evaluate the effect, in postmenopausal women, of the phytoestrogen genistein and hormone replacement therapy (HRT) on circulating two independent factors of cardiovascular risk: homocysteine and C-reactive protein (CRP). METHODS: Ninety healthy postmenopausal women, from 50 to 60 years of age, were randomly assigned to receive genistein (n = 30; 54 mg/die) or continuous combined estrogen/progestin therapy (17-beta-estradiol 1 mg plus norethisterone acetate 0.5 mg) or placebo. Plasma homocysteine and serum CRP were measured at baseline and after 6 months of treatment. RESULTS: In the genistein group, plasma homocysteine and serum CRP showed no statistically significant difference from baseline (homocysteine: 11.36 +/- 0.39 micromol/l; CRP: 1.73 +/- 0.31 mg/l) to 6 months treatment (homocysteine: 10.72 +/- 0.46 micromol/l; CRP: 2.13 +/- 0.45 mg/l), without any significant difference versus the placebo group (homocysteine: 11.25 +/- 0.43 micromol/l; CRP: 1.74 +/- 0.22 mg/l). In the HRT group there was a slight, but not significant reduction, of plasma homocysteine mean value from baseline (11.21 +/- 0.44 micromol/l) to 6 months treatment (10.45 +/- 0.38 micromol/l); whereas CRP mean value at the end of treatment (3.30 +/- 0.55 mg/l) was significantly higher from baseline (1.61 +/- 0.25 mg/l) (P < 0.01). However, after 6 months, no significant difference existed with the other two groups. CONCLUSIONS: The phytoestrogen genistein, after 6 months treatment, does not modify the independent cardiovascular risk linked to circulating homocysteine or CRP level. Our experience confirms critical increase of CRP serum level after HRT treatment, but not plasma homocysteine significant variation.
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In obese non-diabetic or diabetic individuals, some studies observed improved insulin sensitivity after prolonged neutralizing TNF-a antibody treatment.
“In obese non-diabetic or diabetic individuals, several studies have observed improvement of insulin sensitivity after prolonged treatment with neutralising TNF-a antibodies (150,151) , whereas other trials did not report such effects of TNF-a antibody injections, despite dampening of systemic inflammation (152) .”
From Dietary factors and low-grade inflammation in relation to overweight and obesity (2011) · cites this paper as [151]
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- Authors
- D'Anna, R., Baviera, G., Corrado, F., Cancellieri, F., Crisafulli, A., & Squadrito, F.
- Affiliations
- University of Messina (IT)
- Venue
- Acta Obstetricia Et Gynecologica Scandinavica
- Publisher
- Wiley
- Published
- 2005-04-12
- Volume
- 84
- Issue
- 5
- Pages
- 474-477
- ISSN
- 0001-6349 (ISSN-L)
- 1600-0412
- OpenAlex
- W2039587555
- Cited by
- 52
- References
- 33
- Citations by year
- 2025: 1 · 2023: 2 · 2021: 4 · 2020: 3 · 2018: 1 · 2017: 3 · 2016: 3 · 2015: 2 · 2014: 1 · 2013: 4
- FWCI
- 4.01
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Acta Obstetricia Et Gynecologica Scandinavica (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Pathology and Forensic Medicine › Phytoestrogen effects and research
- Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Menopause: Health Impacts and Treatments
- Health Sciences › Medicine › Rheumatology › Folate and B Vitamins Research
- Keywords
- genistein, phytoestrogens, hormone replacement therapy, postmenopausal women, homocysteine, C-reactive protein, cardiovascular risk, estrogen-progestin therapy, norethisterone acetate, estradiol, inflammatory markers, hyperhomocysteinemia, menopausal symptoms, hot flashes, sleep disorders
- MeSH terms
- Norethindrone Acetate, C-Reactive Protein, Cardiovascular Diseases, Estradiol, Female, Homocysteine, Humans, Middle Aged, Norethindrone, Estrogen Replacement Therapy, Treatment Outcome, Postmenopause, Genistein, Phytoestrogens
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