Expression of nuclear factor kappa B components in human endometrium

被引:38
|
作者
Page, M
Tuckerman, EM
Li, TC
Laird, SM
机构
[1] Sheffield Hallam Univ, Div Biomed Sci, BMRC, Sheffield S1 1WB, S Yorkshire, England
[2] Jessop Hosp Women, Biomed Res Unit, Sheffield S3 7RE, S Yorkshire, England
关键词
cytokines; NF kappa B; human; endometrium; implantation;
D O I
10.1016/S0165-0378(01)00122-X
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
Nuclear factor kappa B (NFkappaB) is a family of transcription factors involved in signalling between IL1 and TNFalpha receptors and cytokines and adhesion molecules in a number of cell types, including those of the human endometrium. In this study, we used immunocytochemistry to investigate the in vivo expression of the p50, IkappaBalpha and IkappaBbeta NFkappaB components in endometrium obtained from normal fertile women throughout the menstrual cycle. All three components were expressed by both the stromal and epithelial cells of the endometrium and staining was predominately seen in the cytoplasm of the cells. Staining for p50 was more intense in the epithelial compartment than the stromal compartment. Staining in the stromal compartment was low to moderate throughout the cycle but, in the epithelial compartment., staining was cycle dependent and increased slightly during the mid-secretory phase, The staining patterns for IkappaBalpha and IkappaBbeta were similar. As for p50, staining for both proteins was greater in the epithelial compartment compared to the stromal compartment and stromal cell staining was low to moderate throughout the cycle. However, in contrast to p50, staining for the IkappaB proteins in epithelial cells decreased during the mid-secretory phase of the cycle. Although the immunocytochemistry technique used is only semi-quantitative, the results suggest an increased expression of the active and a decreased expression of the inhibitory NFkappaB components by the endometrium at the time of implantation. If confirmed. it would suggest that NFkappaB is involved in the control of factors important in the implantation process. (C) 2002 Elsevier Science Ireland Ltd. All rights reserved.
引用
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页码:1 / 13
页数:13
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