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Protocols for Vaginal Inoculation and Sample Collection in the Experimental Mouse Model of Candida vaginitis
Published on: December 8, 2011
Oestrogen, glycogen and vaginal candidiasis
1Dermogynaecology Clinic, Mercy Hospitalfor Women, East Melbourne, Victoria, Australia.
The Australian & New Zealand Journal of Obstetrics & Gynaecology
|October 11, 2001
Summary
Postmenopausal women using estrogen had a significantly higher incidence of vaginal candidiasis (Candida albicans infection). Estrogen-stimulated glycogen production in vaginal epithelial cells likely fuels this yeast infection.
Area of Science:
- Gynecology
- Mycology
- Dermato-venereology
Background:
- Vaginal candidiasis is a common condition.
- Estrogen levels fluctuate throughout a woman's life, impacting vaginal health.
- The role of estrogen in vaginal yeast infections requires further elucidation.
Purpose of the Study:
- To investigate the relationship between estrogen use and vaginal candidiasis incidence in postmenopausal women.
- To determine if Candida species can utilize glycogen, a nutrient influenced by estrogen, for growth.
Main Methods:
- Chi-square analysis was used to compare infection rates in estrogen users versus non-users.
- Assimilation tests were performed to assess Candida species' ability to metabolize glycogen.
Main Results:
- Vaginal candidiasis occurred significantly more often in postmenopausal women using estrogen (16%) compared to non-users (4%).
- All tested Candida albicans isolates assimilated glycogen.
- Non-albicans Candida species did not assimilate glycogen.
Conclusions:
- Estrogen use is strongly associated with an increased risk of vaginal candidiasis in postmenopausal women.
- Estrogen-induced glycogen production in vaginal epithelium provides a nutrient source for Candida albicans.
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