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The development of cytotoxicity in peritoneal macrophages from women with endometriosis
1Department of Medicine, Rush Medical College, Chicago, Illinois 60612.
Objective:
To assess the activation status of peritoneal macrophages from women with endometriosis.
Design:
Peritoneal macrophages from patients undergoing laparoscopy were tested for cytotoxic activity against a cultured hepatoma cell line.
Setting:
Patients were tested at initial laparoscopy or at the completion of therapy.
Patients And Participants:
Fertile controls (n = 27), infertile controls (n = 20), untreated endometriosis (n = 43), danazol-treated endometriosis (n = 22), and gonadotropin-releasing hormone agonist (GnRH-a)-treated endometriosis (n = 13) were tested.
Interventions:
Danazol (800 mg/d) or GnRH-a therapy for 6 months.
Results:
Cytotoxicity was elevated in stage I and II endometriosis (P less than 0.02) and in infertile controls (P less than 0.05) compared with fertile controls. Cytotoxicity in stage III and IV endometriosis was lower (P less than 0.02) than in stage I and II endometriosis. Indomethacin in vitro increased cytotoxicity (P less than 0.05) in stage III and IV endometriosis but not in the other groups tested. Cytotoxicity in danazol or GnRH-a-treated patients was increased (P less than 0.05 or greater) compared with untreated patients with comparable stage of disease.
Conclusions:
Peritoneal macrophage cytotoxicity in women with endometriosis is affected by (1) the extent of endometriosis, (2) prostaglandin metabolism, and (3) treatment with danazol or GnRH-a.