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Lymphocyte sub-populations in gestational diabetes
Fadia Mahmoud1, Habib Abul, Alexander Omu
1Department of Medical laboratory Sciences, Faculty of Allied Health Sciences, Kuwait University, Kuwait. fadia@hsc.edu.kw
American Journal of Reproductive Immunology (New York, N.Y. : 1989)
|January 26, 2005
Summary
Gestational diabetes (GD) is linked to altered maternal immune responses. Activated T cells are expanded in GD patients, indicating less effective maternal immunosuppression during pregnancy.
Area of Science:
- Immunology
- Reproductive Medicine
- Endocrinology
Background:
- Maternal immune system regulation is crucial during pregnancy.
- Gestational diabetes (GD) may disrupt normal immunologic adaptations.
Purpose of the Study:
- To investigate differences in maternal immune cell populations between women with GD and healthy pregnant women.
- To determine if GD affects the regulation of immune responses during pregnancy.
Main Methods:
- Two-color flow cytometry was used to analyze peripheral blood lymphocytes.
- Study included women with GD (insulin-treated and diet-treated), healthy pregnant women, and non-pregnant women.
Main Results:
- GD cohorts exhibited higher percentages of CD4(+)CD25(+), CD4(+)CD45RO(+), and CD4(+)CD29(+) T cells compared to healthy pregnant women.
- Lower percentages of CD4(+)CD45RA(+) T cells were observed in GD groups.
- Increased activated T cell phenotypes (CD8(+)CD25(+), CD8(+)HLA-DR(+), CD4(+)HLA-DR(+)) were found in GD patients.
Conclusions:
- Gestational diabetes is associated with expanded populations of activated peripheral blood T cells.
- These findings suggest that normal maternal immunosuppression is less effective in women with GD.