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Lymphangiogenesis in deep infiltrating endometriosis.
MedLine Citation:
PMID:  21791438     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND In patients diagnosed with deep infiltrating endometriosis (DIE), foci of endometriosis are detected in mesorectal lymph nodes (LNs) after segmental bowel resection and in pelvic sentinel LNs. Lymph vessels (LVs) seem to be the possible routes for the dissemination of endometriotic cells from DIE-lesions to LN. Therefore, we conducted a study to investigate the occurrence and density of LV and lymphangiogenic growth factors in DIE. METHODS Included in this study were 38 premenopausal women who underwent surgery due to symptomatic rectovaginal DIE. In order to identify LV, immunohistochemical analysis with anti-Podoplanin (D2-40), LYVE-1 and Prox-1 was performed. Furthermore, the expression of VEGF-C and VEGF-D in endometriotic tissue was investigated. RESULTS LV density (LVD) of DIE lesions was significantly higher compared with healthy corresponding tissue. All LV makers could be detected, and the density of LYVE-1- or Prox-1-positive LV was significantly higher than that of D2-40-positive LV. Endometriotic epithelial cells and stromal cells showed a moderate to strong VEGF-C and VEDF-D expression. CONCLUSIONS DIE lesions have lymphangiogenic properties, probably leading to endometriosis-like cells in lymphatic vessels and LNs featuring a loco-regional disease.
Authors:
S Keichel; M-L Barcena de Arellano; U Reichelt; W F J Riedlinger; A Schneider; C Köhler; S Mechsner
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-7-25
Journal Detail:
Title:  Human reproduction (Oxford, England)     Volume:  -     ISSN:  1460-2350     ISO Abbreviation:  -     Publication Date:  2011 Jul 
Date Detail:
Created Date:  2011-7-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8701199     Medline TA:  Hum Reprod     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Endometriosis Research Centre Charité, Department of Gynaecology, Charité, Campus Benjamin Franklin, Hindenburgdamm 30, Berlin 12200, Germany.
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