Aberrant expression of oxidative stress related proteins affects the pregnancy outcome of gestational diabetes mellitus patients

Chenchen Zhang, Yixia Yang, Ruiying Chen, Youheng Wei, Youji Feng, Wenxin - Zheng, Hong Liao, Zhenbo Zhang

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

Gestational diabetemellitus (GDM) is a condition whereby a mother’s glucose tolerance is impaired with onset or first recognition during pregnancy which is not either type 1 or type 2 diabetes mellitus. Oxidative stress plays an essential role in diabetes, however, whether it also includes in GDM has not been fully clarified. Therefore, we investigated the changes of oxidative stress biomarkers and their relationship with pregnancy outcomes in patients with GDM. The serum and placenta were collected for absorbance-based assay and immunohistochemistry assay (IHC). The patients’ clinical information was collected and the pregnancy outcome was tracked. It was found that elder age is a risk factor to result in GDM. Moreover, GDM patients showed poor clinical factors or outcomes including higher prepregnancy weight and BMI value, premature delivery, higher rates of cesarean delivery, macrosomia, premature rupture of fetal membranes (PROM). Increasing serum MDA level and decline GSH and SOD levels were observed in GDM patients. Meanwhile, HO-1, Nrf2 and NQO1 overexpressed in GDM placental tissues. In the GDM group, MDA level was negatively associated with prepregnancy weight, while, SOD level was positively correlated with neonatal birth weight. We found an intensive relationship between SOD content and preterm birth in the GDM group. There is no significant difference between the level of MDA/GSH and neonatal birth weight as well as preterm birth. MDA, GSH and SOD levels were not associated with an increased risk of cesarean delivery or PROM. This study indicates aberrant expression of oxidative stress related proteins affects the pregnancy outcome of GDM patients.

Original languageEnglish (US)
Pages (from-to)269-279
Number of pages11
JournalAmerican Journal of Translational Research
Volume11
Issue number1
StatePublished - Jan 1 2019
Externally publishedYes

Keywords

  • GDM
  • GSH
  • MDA
  • Oxidative stress
  • SOD

ASJC Scopus subject areas

  • Molecular Medicine
  • Clinical Biochemistry
  • Cancer Research

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