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Inflammatory proces...
Inflammatory processes are specifically enhanced in endothelial cells by placental-derived TNF-α : Implications in preeclampsia (PE)
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- Shaw, Jeff (författare)
- Yale University
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- Tang, Zhonghua (författare)
- Yale University
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- Schneider, Henning (författare)
- University of Bern
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- Saljé, Karen (författare)
- University of Greifswald,University Medicine Greifswald
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- Hansson, Stefan R. (författare)
- Lund University,Lunds universitet,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Department of Clinical Sciences, Lund,Faculty of Medicine
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- Guller, Seth (författare)
- Yale University
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(creator_code:org_t)
- Elsevier BV, 2016
- 2016
- Engelska 8 s.
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Ingår i: Placenta. - : Elsevier BV. - 0143-4004. ; 43, s. 1-8
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- Introduction There is a consensus that factors released by the placenta to maternal circulation, including TNF-α, play a key role in activating the maternal endothelium in pregnancies with preeclampsia (PE). Dual perfusion preserves the structural organization of the placenta to a greater degree than other in vitro systems and has been used by our group and others to examine placental pathophysiology associated with PE. The objective of this study was to use the dual perfusion model to test whether TNF-α released by the placenta to maternal perfusate affects pro-inflammatory cytokine secretion by, and activation of, endothelial cells, thereby furthering our understanding of placental and endothelial dysfunction in PE. Method We used maternal perfusate, two endothelial cell lines (HUVECs and HEECs), and a TNF-α blocking antibody to test whether placental-derived TNF-α plays a significant role in altering the expression and secretion of pro-inflammatory cytokines in endothelial cells as well as the expression of activation markers in this cell type. Results The presence of maternal perfusate significantly enhanced IL-6, IL-8, and MCP-1 secretion, levels of their mRNA, as well as mRNA levels of markers of endothelial activation (E-selectin, ICAM-1, and VCAM-1). The addition of a TNF-α blocking antibody significantly inhibited the maternal perfusate-mediated enhancement of cytokine secretion by, and expression of activation markers, in both HUVECs and HEECs. Discussion These results demonstrate that TNF-α significantly contributed to endothelial cell pro-inflammatory cytokine secretion and activation suggesting that blocking TNF-α action may mitigate the effects of maternal endothelial dysfunction in PE.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Reproduktionsmedicin och gynekologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Obstetrics, Gynaecology and Reproductive Medicine (hsv//eng)
Nyckelord
- Endothelium
- Inflammation
- Placental secretion
- Preeclampsia
- TNF-α
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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