4.7 Article

Maternal serum proteomic profiles of pregnant women with type 1 diabetes

Journal

SCIENTIFIC REPORTS
Volume 12, Issue 1, Pages -

Publisher

NATURE PORTFOLIO
DOI: 10.1038/s41598-022-12221-5

Keywords

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Funding

  1. Professor Artur Czyzyk Scientific Grant 2015
  2. Professor Artur Czyzyk Scientific Grant 2017
  3. Poznan University of Medical Sciences [502-01-01110142-05618]

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This study analyzed serum proteomic profiling in pregnant women with T1DM in the late third trimester and identified distinct protein differences in the coagulation and inflammatory pathways. However, further investigation is needed to determine the utility of these differential proteins as biomarkers for pregnancy complications in women with T1DM.
Despite improvement in the care of diabetes over the years, pregnancy complicated by type 1 diabetes (T1DM) is still associated with adverse maternal and neonatal outcomes. To date, proteomics studies have been conducted to identify T1DM biomarkers in non-pregnant women, however, no studies included T1DM pregnant women. In this study serum proteomic profiling was conducted in pregnant women with T1DM in the late third trimester. Serum samples were collected from 40 women with T1DM and 38 healthy controls within 3 days before delivery at term pregnancy. Significant differences between serum proteomic patterns were revealed, showing discriminative peaks for complement C3 and C4-A, kininogen-1, and fibrinogen alpha chain. Quantification of selected discriminative proteins by ELISA kits was also performed. The serum concentration of kininogen-1 was significantly lower in women with T1DM than in controls. There were no significant differences in serum concentrations of complement C3 and complement C4-A between study groups. These data indicate that pregnant women with T1DM have a distinct proteomic profile involving proteins in the coagulation and inflammatory pathways. However, their utility as biomarkers of pregnancy complications in women with T1DM warrants further investigation.

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