Expression and localization of cell adhesion molecules in human fetal membranes during parturition

Inass Osman, Marshia Crawford, Fiona Jordan, Anne Young, Jane Norman, Andrew Thomson

Research output: Contribution to journalArticle (Academic Journal)peer-review

Abstract

There is increasing evidence to support the view that human parturition represents an inflammatory process. We have previously demonstrated that parturition is associated with leukocyte invasion and pro-inflammatory cytokine production in the cervix and myometrium. Furthermore, we have shown that several cell adhesion molecules are upregulated in these tissues during labor. In fetal membranes, previous studies have shown intercellular adhesion molecule-1 (ICAM-1) upregulation in association with labor. The role of other adhesion molecules has not been explored. The aims of this study were, therefore, to determine the expression of ICAM-1, platelet endothelial cell adhesion molecule (PECAM), vascular cell adhesion molecule (VCAM) and E-selectin in pre- and post-laboring amnion and choriodecidua and to identify cell types responsible for their expression. Biopsies of fetal membranes were obtained from pregnant women delivered by caesarean section before the onset of labor (n = 8) and following spontaneous vaginal delivery (n = 8). Cell adhesion molecules were identified using immunohistochemistry and messenger RNA expression quantified using Northern analysis. We found that following labor, ICAM-1 mRNA expression was significantly upregulated in amnion and choriodecidua (P
Original languageEnglish
Pages (from-to)11-21
Number of pages11
JournalJournal of Reproductive Immunology
Volume63
Issue number1
DOIs
Publication statusPublished - 2004

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