Enhanced expressions of endometrial tumour necrosis factor alpha and its receptors during early pregnancy in bonnet monkeys

Tumour necrosis factor alpha (TNF-α), a pro-inflammatory cytokine may play an active role in stimulating inflammatory reactions during pregnancy. However, the expression of endometrial TNF-α has not been investigated especially during early pregnancy, a phenomenon invariably accompanied by inflammat...

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Veröffentlicht in:Cytokine (Philadelphia, Pa.) Pa.), 2005-09, Vol.31 (6), p.459-464
Hauptverfasser: Rosario, Gracy X., Sachdeva, Geetanjali, Manjramkar, Dhananjay D., Puri, Chander P.
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container_end_page 464
container_issue 6
container_start_page 459
container_title Cytokine (Philadelphia, Pa.)
container_volume 31
creator Rosario, Gracy X.
Sachdeva, Geetanjali
Manjramkar, Dhananjay D.
Puri, Chander P.
description Tumour necrosis factor alpha (TNF-α), a pro-inflammatory cytokine may play an active role in stimulating inflammatory reactions during pregnancy. However, the expression of endometrial TNF-α has not been investigated especially during early pregnancy, a phenomenon invariably accompanied by inflammatory reaction. In the present study, the endometrial expressions of TNF-α and its receptors (TNFR1 and TNFR2) during early pregnancy, when the embryo lies free in the zona hatched state in the uterine lumen, were analyzed by immunohistochemistry. The endometrial expressions of TNF-α, TNFR1 and TNFR2 were found to be significantly up-regulated ( p < 0.05) in the glandular epithelium on day 6 post-ovulation in pregnant animals. The alteration in the expression of these molecules may contribute to the induction of local inflammatory reactions during implantation.
doi_str_mv 10.1016/j.cyto.2005.07.003
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source MEDLINE; Access via ScienceDirect (Elsevier)
subjects Animals
Bonnet monkeys
Early pregnancy
Embryo Implantation
Endometrium - immunology
Female
Immunohistochemistry
Inflammation
Macaca radiata
Pregnancy
Pregnancy, Animal - immunology
Receptors, Tumor Necrosis Factor - isolation & purification
Receptors, Tumor Necrosis Factor - metabolism
Signal Transduction
TNF-α
TNFR1
TNFR2
Tumor Necrosis Factor-alpha - isolation & purification
Tumor Necrosis Factor-alpha - metabolism
title Enhanced expressions of endometrial tumour necrosis factor alpha and its receptors during early pregnancy in bonnet monkeys
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