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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Exp+Ther+Med
2017 ; 13
(4
): 1447-1455
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Upregulated unique long 16 binding protein 1 detected in preeclamptic placenta
affects human extravillous trophoblast cell line (HTR-8/SVneo) invasion by
modulating the function of uterine natural killer cells
#MMPMID28413491
Liu J
; Song G
; Lin X
; Pang X
; Meng T
Exp Ther Med
2017[Apr]; 13
(4
): 1447-1455
PMID28413491
show ga
Well-controlled trophoblast invasion at the maternal-fetal interface is crucial
for normal placentation and successful pregnancy, otherwise pathological
conditions of pregnancy occur, such as preeclampsia. In previous studies, it has
been demonstrated that unique long 16 binding protein (ULBP)1, a ligand for the
natural-killer group (NKG)2D receptor on uterine natural killer (uNK) cells, is
upregulated in the placenta in patients with preeclampsia. As they are present on
the majority of the decidua, uNK have an important role in pregnancy. The aim of
the present study was to determine the role of ULBP1 in trophoblast cell
invasion, which is closely associated with the occurrence of preeclampsia. In the
present study, ULBP1 expression levels in placentas collected after cesarean
section from women with preeclampsia and normal pregnant women were determined by
immunohistochemistry, reverse transcription-quantitative polymerase chain
reaction and western blotting. The effects of ULBP1 on extravillous trophoblast
cell line (HTR-8/SVneo) invasion mediated via uNK cells and the underlying
mechanisms were investigated. mRNA and protein expression levels of ULBP1 were
significantly upregulated (P<0.05) in preeclamptic placentas compared with normal
controls. ULBP1 inhibited HTR-8/SVneo cells via the regulation of biological
functions of uNK cells, including the downregulation of NKG2D expression on uNK
cells and the stimulation of production of cytokines and chemokines that affect
extravillous cytotrophoblast invasion by uNK cells. ULBP1 may have an important
role in the pathophysiology of preeclampsia through the modification of
biological functions of uNK cells, which may affect trophoblast invasion.