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Cellular immunity in recurrent vulvovaginal candidiasis
E M Corrigan1, R L Clancy, M L Dunkley
1Australian Institute of Mucosal Immunology, Newcastle, NSW.
Clinical and Experimental Immunology
|April 7, 1998
Summary
Women with recurrent vaginal candidiasis show impaired T cell function, particularly during the follicular phase. This cellular immune dysregulation may increase susceptibility to yeast infections.
Area of Science:
- Immunology
- Gynecology
- Microbiology
Background:
- Recurrent vulvovaginal candidiasis (RVVC) is linked to impaired T cell function, though findings vary.
- Clinical episodes often occur in the luteal phase, suggesting hormonal effects on immunity.
Purpose of the Study:
- To assess cellular immune responses in women with RVVC.
- To investigate the influence of the menstrual cycle phase (follicular vs. luteal) on immune responses to Candida.
Main Methods:
- Compared peripheral blood lymphocyte proliferation and cytokine production (Interferon-gamma) in 28 RVVC patients and 25 controls.
- Assessed responses to Candida and purified protein derivative (PPD) stimulation.
- Correlated immune responses with menstrual cycle phase.
Main Results:
- Patients with RVVC had significantly reduced Candida-stimulated lymphocyte proliferation and Interferon-gamma (IFN-gamma) production compared to controls.
- Lower Candida-stimulated IFN-gamma production was observed in RVVC patients during the follicular phase versus the luteal phase.
- A trend towards reduced Candida-stimulated proliferation was noted in follicular phase patients.
Conclusions:
- RVVC is associated with partial T cell dysregulation.
- Hormonal changes during the follicular phase may exacerbate this immune dysfunction, increasing infection risk.