Abstract
Preeclampsia, a human pregnancy specific disorder is characterized by an anti-angiogenic state. As hydrogen sulfide (H 2S) has pro-angiogenic and anti-oxidative characteristics, we hypothesized that H 2S levels could play a role in the pathogenesis of preeclampsia and studied the placental expression of the H 2S-producing enzymes cystathionine-γ-lyase (CSE) and cystathionine-β-synthase (CBS). CBS and CSE protein are expressed in the fetal-placental endothelium and CBS only in Hofbauer cells. CBS mRNA expression is decreased (p = 0.002) in early-onset preeclampsia, while CSE mRNA is unchanged. Thus, down regulation of CBS during early-onset preeclampsia may result in less H 2S-production and may aid in the anti-angiogenic state.
| Original language | English |
|---|---|
| Pages (from-to) | 518-521 |
| Number of pages | 4 |
| Journal | Placenta |
| Volume | 33 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - Jun 2012 |
| Externally published | Yes |
Keywords
- Cysthationine-beta-synthase
- Cysthationine-gamma-lyase
- Endothelial dysfunction
- Hydrogen sulfide
- Preeclampsia
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