Paracrine effects of uterine leucocytes on gene expression of human uterine stromal fibroblasts

Germeyer, Ariane; Sharkey, Andrew Mark; Prasadajudio, Mirari; Sherwin, Robert; Moffett, Ashley; Bieback, Karen; Clausmeyer, Susanne; Masters, Leanne; Popovici, Roxana Maria; Hess, Alexandra Petra; Strowitzki, Thomas; von Wolff, Michael (2009). Paracrine effects of uterine leucocytes on gene expression of human uterine stromal fibroblasts. Molecular human reproduction MHR, 15(1), pp. 39-48. Oxford: Oxford University Press 10.1093/molehr/gan075

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The endometrium contains a distinct population of immune cells that undergo cyclic changes during the menstrual cycle and implantation. The majority of these leucocytes are uterine NK (uNK) cells, however how these cells interact with uterine stromal fibroblasts remains unclear. We therefore investigated the paracrine effect of medium conditioned by uterine decidual leucocytes (which are enriched for uNK cells) on the gene expression profile of endometrial stromal fibroblasts in vitro using a cDNA microarray. Our results, verified by real-time PCR, ELISA and FACS analysis, reveal that soluble factors from uterine leucocytes substantially alter endometrial stromal fibroblast gene expression. The largest group of up-regulated genes found was chemokines and cytokines. These include IL-8, CCL8 and CXCL1, which have also been shown to be stimulated by contact of stromal fibroblasts with trophoblast, suggesting that uNK cells work synergistically to support trophoblast migration during implantation. The decidual leucocytes also up-regulated IL-15 and IL-15Ralpha in stromal fibroblasts which could produce a niche for uNK cells allowing proliferation within and recruitment into the uterus, as seen in bone marrow. Overall this study demonstrates, for the first time, the paracrine communication between uterine leucocytes and uterine stromal fibroblasts, and adds to the understanding of how the uterine immune system contributes to the changes seen within the cycling endometrium.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Gynaecology, Paediatrics and Endocrinology (DFKE) > Clinic of Gynaecology

UniBE Contributor:

von Wolff, Michael

ISSN:

1360-9947

Publisher:

Oxford University Press

Language:

English

Submitter:

Factscience Import

Date Deposited:

04 Oct 2013 15:12

Last Modified:

06 Dec 2013 13:58

Publisher DOI:

10.1093/molehr/gan075

PubMed ID:

19088135

Web of Science ID:

000263165300005

URI:

https://boris.unibe.ch/id/eprint/31612 (FactScience: 196236)

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