Journal
AMERICAN JOURNAL OF REPRODUCTIVE IMMUNOLOGY
Volume 49, Issue 2, Pages 93-100Publisher
WILEY
DOI: 10.1034/j.1600-0897.2003.00013.x
Keywords
corpus luteum; decidua; endometrium; human macrophages; luteinizing hormone/human chorionic gonadotropin receptors
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PROBLEM: To determine whether macrophages in human reproductive tissues contain luteinizing hormone (LH)/human chorionic gonadotropin (hCG) receptor mRNA and receptor protein that can bind I-125-hCG. METHOD OF STUDY: Macrophages isolated from term pregnancy human decidua were used for LH/hCG receptor detection by in situ hybridization for receptor mRNA and immunocytochemistry for a macrophage marker, CD68, performed alone and in combination, reverse transcription-nested polymerase chain reaction, Western and ligand blotting. The LH/hCG receptor presence in macrophages in late luteal phase human endometria and corpora lutea was determined by sequential performance of in situ hybridization and immunocytochemistry. RESULTS: The macrophages present in term pregnancy human decidua and late luteal phase human endometria and corpora lutea contain LH/hCG receptors. CONCLUSIONS: This is the first demonstration of macrophages present in human reproductive tissues containing LH/hCG receptors. The receptor presence suggests that LH and hCG may regulate macrophage functions in gonadal as well as in non-gonadal target tissues.
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