Document Detail

Antigen-presenting cells in human endometrium during the menstrual cycle compared to early pregnancy.
MedLine Citation:
PMID:  15458747     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: Human endometrium and early pregnancy decidua harbor a considerable and diverse population of antigen-presenting cells (APC). Changes in the number and distribution of macrophages and dendritic cells (DC) could point to a possible role of these immunocompetent cells in implantation and success of early pregnancy. METHODS: Uterine tissue was obtained from 22 women undergoing hysterectomy for bleeding disorders or dysmenorrhea and from 11 women undergoing legal abortion. Tissue was investigated with antibodies against CD14, CD68, CD83, DC-SIGN, Ki-67, and human leukocyte antigen (HLA)-DR using single and double immunohistochemical staining techniques. RESULTS: The number of CD14(+) cells was stable during all phases of the menstrual cycle and early pregnancy. In comparison to nonpregnant endometrium, DC-SIGN(+) cells showed a higher proliferation rate and were found associated in clusters with CD56(+) natural killer (NK) cells in early pregnancy. In the late secretory phase of the menstrual cycle, numbers of CD83(+) (P <.01) cells were significantly higher than in other endometrial phases and early pregnancy. HLA-DR(+) expression was significantly increased in early pregnancy but remained unchanged throughout the menstrual cycle. CONCLUSION: The presence of DC-SIGN(+) cells during the menstrual cycle and their proliferation in early pregnancy suggests an important role of these cells with regard to the balance between defense against pathogens and tolerance of the fetal allograft. Whether the increase of CD83(+) mature DC and CD68(+) macrophages in the late secretory phase is caused by hormonal stimuli and/or is due to changes of the cytokine/chemokine micromilieu remains to be investigated.
L Rieger; A Honig; M Sütterlin; M Kapp; J Dietl; P Ruck; U Kämmerer
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Journal of the Society for Gynecologic Investigation     Volume:  11     ISSN:  1071-5576     ISO Abbreviation:  J. Soc. Gynecol. Investig.     Publication Date:  2004 Oct 
Date Detail:
Created Date:  2004-10-01     Completed Date:  2005-03-10     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9433806     Medline TA:  J Soc Gynecol Investig     Country:  United States    
Other Details:
Languages:  eng     Pagination:  488-93     Citation Subset:  IM    
Department of Obstetrics and Gynecology, University of Würzburg, Würzburg, Germany.
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MeSH Terms
Abortion, Induced
Antigen-Presenting Cells / cytology*,  immunology
Antigens, CD / analysis
Antigens, CD14 / analysis
Antigens, Differentiation, Myelomonocytic / analysis
Cell Adhesion Molecules / analysis
Cell Count
Cell Division
Endometrium / cytology*
HLA-DR Antigens / analysis
Immunoglobulins / analysis
Ki-67 Antigen / analysis
Lectins, C-Type / analysis
Membrane Glycoproteins / analysis
Menstrual Cycle*
Receptors, Cell Surface / analysis
Reg. No./Substance:
0/Antigens, CD; 0/Antigens, CD14; 0/Antigens, Differentiation, Myelomonocytic; 0/CD68 antigen, human; 0/CD83 antigen; 0/Cell Adhesion Molecules; 0/DC-specific ICAM-3 grabbing nonintegrin; 0/HLA-DR Antigens; 0/Immunoglobulins; 0/Ki-67 Antigen; 0/Lectins, C-Type; 0/Membrane Glycoproteins; 0/Receptors, Cell Surface

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