Exp Clin Endocrinol Diabetes 2017; 125(10): 677-683
DOI: 10.1055/s-0043-104935
Article
© Georg Thieme Verlag KG Stuttgart · New York

Peripheral Immunological Cells in Pregnant Women and their Change during Diabetes

Ulrike Friebe-Hoffmann
1   Department of Obstetrics & Gynecology, University of Ulm, Ulm, Germany
,
Linda Antony
2   Department of Radiation Oncology, Marienhospital, Duesseldorf, Germany
,
Jan-Steffen Kruessel
3   University of Duesseldorf, OB/GYN,
,
Brigitte Pawlowski
4   formerly German Diabetes Center, Duesseldorf, Germany
,
Thomas Karl Hoffmann
5   Department of Otorhinolaryngology, Head and Neck Surgery, University of Ulm, Ulm, Germany
› Author Affiliations
Further Information

Publication History

received 16 January 2017
revised 16 January 2017

accepted 01 March 2017

Publication Date:
13 April 2017 (online)

Abstract

During the last decades the incidence of diabetes has dramatically increased as well as the number of pregnant diabetic women. There is still missing data regarding patterns and shifts of immune cell populations due to pregnancy with or without diabetes. The study aimed to investigate the impact of pregnancy, type 1 diabetes (T1D) and gestational diabetes mellitus (GDM) on different immune cells in female. The number and proportion of CD3-, CD4-, CD8- and γδ T-cells as well as B-, NK-, NKT- and dendritic cells (DC) incl. rate of apoptosis was analyzed in peripheral blood samples from 24 non-pregnant women, 24 pregnant controls, 25 non-pregnant T1D, 18 women with GDM and 15 pregnant T1D (PT1D) women. Compared to healthy controls, healthy pregnant women had reduced numbers of lymphoid DC and γδ T-cells, while women with gestational diabetes presented with increased numbers of γδ T-cells. Pregnant women with T1D showed increased NKT cells and a decrease of NK cells compared to healthy pregnant or non-pregnant T1D women. Apoptosis of γδ T-cells in healthy pregnant women was found to be decreased in comparison to their non-pregnant controls while apoptosis of myeloid and lymphoid DC was increased in pregnant T1D in comparison to non-pregnant T1D. Those results may indicate that increased complication rates during diabetic pregnancies might be due to an impaired adaptation of the immune system.

 
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