期刊
AMERICAN JOURNAL OF REPRODUCTIVE IMMUNOLOGY
卷 52, 期 1, 页码 74-80出版社
WILEY
DOI: 10.1111/j.1600-0897.2004.00190.x
关键词
adhesion; glycans; placentation
资金
- NIGMS NIH HHS [2S06GM08094] Funding Source: Medline
PROBLEM: The goal of this study was to determine if caprine conceptuses express lectin-like receptors for endometrial H-type 1 (HT1) antigen. METHOD OF STUDY: Conceptus tissues were collected during the apposition, adhesion and attachment phases of placentation and evaluated using immunofluorescence microscopy. RESULTS: Conceptus staining for the trisaccharide lacto-N-fucopentaose-1 was strong and uniform during apposition of fetal and maternal tissues but changed by day 25 of pregnancy when large aggregates of intense staining were observed. Monoclonal antibodies to galectin-3 did not stain conceptus tissue during the apposition phase but intense punctate staining was observed after day 25. Strong uniform staining for Lewis Y antigen was detected only on day 17 of pregnancy. CONCLUSION: Conceptus tissue expresses potential receptors for endometrial HT1 antigen. Carbohydrate-lectin interactions may facilitate attachment of the apical surfaces of uterine epithelial cells and trophectoderm during the early stages of placentation.
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