Excessive neutrophil activity in gestational diabetes mellitus: Could it contribute to the development of preeclampsia?

Vokalova, L. and van Breda, Shane V. and Ye, X. L. and Huhn, E. A. and Than, Nándor Gábor (2018) Excessive neutrophil activity in gestational diabetes mellitus: Could it contribute to the development of preeclampsia? FRONTIERS IN ENDOCRINOLOGY (9). ISSN 1664-2392

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Abstract

Gestational diabetes mellitus is a transient form of glucose intolerance occurring during pregnancy. Pregnancies affected by gestational diabetes mellitus are at risk for the development of preeclampsia, a severe life threatening condition, associated with significant feto-maternal morbidity and mortality. It is a risk factor for long-term health in women and their offspring. Pregnancy has been shown to be associated with a subliminal degree of neutrophil activation and tightly regulated generation of neutrophil extracellular traps (NETs). This response is excessive in cases with preeclampsia, leading to the presence of large numbers of NETs in affected placentae. We have recently observed that circulatory neutrophils in cases with gestational diabetes mellitus similarly exhibit an excessive pro-NETotic phenotype, and pronounced placental presence, as detected by expression of neutrophil elastase. Furthermore, exogenous neutrophil elastase liberated by degranulating neutrophils was demonstrated to alter trophoblast physiology and glucose metabolism by interfering with key signal transduction components. In this review we examine whether additional evidence exists suggesting that altered neutrophil activity in gestational diabetes mellitus may contribute to the development of preeclampsia. © 2018 Vokalova, van Breda, Ye, Huhn, Than, Hasler, Lapaire, Hoesli, Rossi and Hahn.

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