Abstract:
AIMS:To determine the effects of different doses of melatonin treatment on endometrial implants, the activity of antioxidant enzyme superoxide dismutase (SOD), the angiogenesis factor, the vascular endothelial growth factor (VEGF) and the waste metabolite product of lipid peroxidation malondialdehyde (MDA) in an oophorectomized rat endometriosis model. METHODS:Thirty-two, female, non-pregnant, nulligravid Sprague-Dawley, albino rats were used in this prospective, randomized, controlled and experimental study. Endometriosis was surgically induced in oophorectomized rats, and estradiol treatment was started after the first operation and continued till the end of the study. Second look, third look and necropsy operations were performed in the 2nd, 4th and 6th weeks. Mean volumes, histological scores and biochemical parameters were evaluated throughout the study. RESULTS:The mean volumes of endometriotic foci were 98.8 mm(3) ± 17.2 vs. 108.2 mm(3) ± 17.5, 54.1 mm(3) ± 15.6 vs. 25.8 mm(3) ± 3.6, 42.8 mm(3) ± 10.5 vs. 32.7 mm(3) ± 6.0 and histopathological scores were 2.2 ± 0.2 vs. 1.7 ± 0.1, 2.6 ± 0.2 vs. 2.2 ± 0.2, 2.6 ± 0.1 vs. 2.7 ± 0.2 in the 10 vs. 20-mg/kg/day melatonin group at the end of the second, fourth and sixth weeks, respectively. When the groups were compared, no significant differences were seen in the histopathologic scores, SOD and VEGF levels between the groups. However, the endometriotic foci volumes were significantly decreased in both melatonin treatment groups with respect to the control group at the end of the fourth and sixth weeks. Moreover, the mean MDA levels were significantly lower in the control group than in the 10-mg/kg/day melatonin group at the end of the fourth and sixth weeks. CONCLUSION:Melatonin treatment resulted in the regression of endometriotic lesions in oophorectomized rats. Higher doses of melatonin treatment might be more effective in the regression of implants and improvement of histologic scores as well as in the precise evaluation of SOD, MDA and VEGF distributions in the rat experimental models.
journal_name
Arch Gynecol Obstetjournal_title
Archives of gynecology and obstetricsauthors
Cetinkaya N,Attar R,Yildirim G,Ficicioglu C,Ozkan F,Yilmaz B,Yesildaglar Ndoi
10.1007/s00404-014-3466-3subject
Has Abstractpub_date
2015-03-01 00:00:00pages
591-8issue
3eissn
0932-0067issn
1432-0711journal_volume
291pub_type
杂志文章abstract::Intrauterine retention of foetal bones is an uncommon but recognised complication of late termination of pregnancy. Secondary subfertility, abnormal uterine bleeding and vaginal discharge are the usual presenting complaints. We report a case of prolonged retention of foetal bones for 14 years in a woman who presented ...
journal_title:Archives of gynecology and obstetrics
pub_type: 杂志文章
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journal_title:Archives of gynecology and obstetrics
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journal_title:Archives of gynecology and obstetrics
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journal_title:Archives of gynecology and obstetrics
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journal_title:Archives of gynecology and obstetrics
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journal_title:Archives of gynecology and obstetrics
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journal_title:Archives of gynecology and obstetrics
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journal_title:Archives of gynecology and obstetrics
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journal_title:Archives of gynecology and obstetrics
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