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IL-15 Expression at Human Endometrium and Decidua

Kitaya, Kotaro, Yasuda, Jinsuke, Yagi, Izumi, Tada, Yoshihiro, Fushiki, Shinji, Honjo, Hideo·2000·Biology of Reproduction

Abstract

A large number of natural killer (NK) cells appear in human uterine mucosa during the secretory phase and first trimester pregnancy. We investigated the expression of interleukin (IL)-15, a possible stimulator for these NK cells, in human endometrium and first trimester decidua. Semiquantitative reverse transcriptase-polymerase chain reaction revealed that IL-15 mRNA expression was stronger during the secretory phase and first trimester pregnancy than during the proliferative phase. Immunohistochemistry revealed that immunoreactivity for anti-IL-15 was higher during the secretory phase than it was during the proliferative phase. This was prominent in the perivascular stromal cells around invading spiral arteries during the mid- to late-secretory phase. In first trimester decidua, endothelial cells were also stained as strongly as stromal cells. A membrane-bound IL-15 molecule was detected on the surface of first trimester decidual cells by flow cytometry. Progesterone stimulated the release of soluble IL-15 in the supernatant of cultured decidual cells. These results suggest that IL-15 expression in human uterine mucosa corresponds to the fluctuation of uterine NK cells and that its production is hormonally controlled, especially by progesterone.

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Metadata

Authors
Kitaya, K., Yasuda, J., Yagi, I., Tada, Y., Fushiki, S., & Honjo, H.
Venue
Biology of Reproduction
Published
2000-09-01
Volume
63
Issue
3
Pages
683-687
ISSN
  • 0006-3363 (ISSN-L)
  • 1529-7268
OpenAlex
W2146154036
Cited by
213
References
1
FWCI
2.81
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: IL-15 Expression at Human Endometrium and Decidua. https://app.cochat.ai/papers/10.1095/biolreprod63.3.683
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Kitaya, K., Yasuda, J., Yagi, I., Tada, Y., Fushiki, S., & Honjo, H. (2000). IL-15 Expression at Human Endometrium and Decidua. Biology of Reproduction. https://doi.org/10.1095/biolreprod63.3.683

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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