The adipokine preadipocyte factor-1 is downregulated in preeclampsia and expressed in placenta

Cytokine. 2015 Oct;75(2):338-43. doi: 10.1016/j.cyto.2015.07.021. Epub 2015 Aug 1.

Abstract

Background: Adipokines contribute to the development of preeclampsia (PE), a severe pregnancy complication which increases the future risk for cardiovascular and metabolic disease in both mother and newborn. Pre-adipocyte factor-1 (Pref-1) was recently introduced as a novel antiangiogenic and antiadipogenic adipokine.

Material and methods: Pref-1 was quantified in patients with PE (n=51) and healthy pregnant controls (n=51) during pregnancy, as well as 6 months after delivery (study population 1). Furthermore, Pref-1 was investigated in the immediate peripartal period and the placenta in 40 healthy pregnant women undergoing elective cesarean section (study population 2).

Results: In study population 1, median Pref-1 serum concentrations during pregnancy were significantly lower in women with PE (0.5 μg/l) as compared to healthy pregnant controls (0.7 μg/l) (p<0.001). Furthermore, Pref-1 serum concentrations were independently predicted by PE, leptin levels, and gestational age in this population. In both study populations, Pref-1 serum levels significantly decreased after delivery as compared to prepartal levels. Moreover, significant expression of Pref-1 was detected in placental tissue.

Conclusion: Maternal Pref-1 serum concentrations are significantly decreased in PE. The pathophysiological significance of this regulation needs to be studied in more detail in future experiments.

Keywords: Adipogenesis; Cesarean section; Placenta; Preeclampsia; Pref-1.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adult
  • Calcium-Binding Proteins
  • Cesarean Section
  • Female
  • Gestational Age
  • Humans
  • Intercellular Signaling Peptides and Proteins / biosynthesis
  • Intercellular Signaling Peptides and Proteins / blood*
  • Intercellular Signaling Peptides and Proteins / metabolism
  • Leptin / blood
  • Membrane Proteins / biosynthesis
  • Membrane Proteins / blood*
  • Membrane Proteins / metabolism
  • Placenta / metabolism*
  • Pre-Eclampsia / blood
  • Pre-Eclampsia / pathology*
  • Pregnancy

Substances

  • Calcium-Binding Proteins
  • DLK1 protein, human
  • Intercellular Signaling Peptides and Proteins
  • Leptin
  • Membrane Proteins