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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Tumor necrosis factor-alpha but not interleukin-1 beta or interleukin-8 concentrations correlate with angiogenic activity of peritoneal fluid from patients with minimal to mild endometriosis.

OBJECTIVE: To assess the angiogenic activity of peritoneal fluid in women with minimal to mild endometriosis and to investigate the relationship between this activity and the concentration of macrophage-derived angiogenic factors and clinical variables, such as phase of menstrual cycle, type of lesion, and revised American Society for Reproductive Medicine classification. DESIGN: In vivo bioassay. SETTING: Tertiary-care university medical center. PATIENT(S): Fifty-two female volunteers with laparoscopic findings indicating minimal to mild endometriosis. INTERVENTION(S): Peritoneal fluid was collected at the start of laparoscopy. A standard amount of peritoneal fluid was applied to a chick embryo chorioallantoic membrane assay. MAIN OUTCOME MEASURE(S): Angiogenic response was assessed by determining the vascular density index. RESULT(S): 85% of the peritoneal fluid samples induced angiogenesis in the chick embryo chorioallantoic membrane bioassay. Tumor necrosis factor-alpha and total protein were significantly related to the vascular density index, whereas interleukin-1beta, interleukin-8, and clinical variables appeared to not affect the angiogenic response. CONCLUSION(S): The results confirms previous findings of peritoneal fluid angiogenic activity in women with minimal to mild endometriosis and indicate involvement of tumor necrosis factor-alpha.[1]


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