{"title":"The effects of phytoestrogen supplementation in postmenopausal women.","authors":"Michelle P Warren","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":502110,"journal":{"name":"Journal of the Society for Gynecologic Investigation","volume":"9 4","pages":"184-5"},"PeriodicalIF":0.0,"publicationDate":"2002-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138807913","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Judith L Balk, Deborah A Whiteside, Gregory Naus, Emily DeFerrari, James M Roberts
{"title":"A pilot study of the effects of phytoestrogen supplementation on postmenopausal endometrium.","authors":"Judith L Balk, Deborah A Whiteside, Gregory Naus, Emily DeFerrari, James M Roberts","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Objective: </strong>This study was designed to assess endometrial histology in postmenopausal women not taking hormone replacement therapy, to evaluate side effects and efficacy of phytoestrogens in treating menopause-associated symptoms, and to determine whether 6 months of phytoestrogen supplementation altered endometrial histology.</p><p><strong>Methods: </strong>We performed a prospective, double-blinded, randomized, placebo-controlled trial comparing the effects of 6 months of dietary phytoestrogen supplementation versus placebo in postmenopausal women. Baseline endometrial biopsies were performed and, if adequate, nonhyperplastic, noncancerous, and nonovulatory, subjects were randomly assigned to receive daily placebo or soy cereal supplementation for 6 months. Study subjects completed baseline and weekly dietary, symptom, and side effect logs. Repeat endometrial biopsies were obtained at 6 months.</p><p><strong>Results: </strong>Subjects were recruited from January 1998 through June 2000. Twenty-seven subjects were randomized, and 19 completed the study. One (3.7%) baseline endometrial sample was weakly proliferative. All other baseline and final biopsies were consistent with atrophic, inactive endometrium. The maximum risk of endometrial stimulation with phytoestrogens is 35%. Hot flushes, night sweats, and vaginal dryness were significantly less severe at the final week of the study compared with baseline in the placebo group. Insomnia was more common in the treated group. There were no other statistically significant differences in symptoms or side effects.</p><p><strong>Conclusion: </strong>Phytoestrogens did not cause stimulation of the endometrium. Insomnia was more frequent over the 6-month study in the soy group, whereas hot flushes, night sweats, and vaginal dryness improved from baseline in the placebo group but not in the soy group.</p>","PeriodicalId":502110,"journal":{"name":"Journal of the Society for Gynecologic Investigation","volume":"9 4","pages":"238-42"},"PeriodicalIF":0.0,"publicationDate":"2002-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138807912","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
R Devlieger, S C Riley, L Verbist, R Leask, R Pijnenborg, J A Deprest
{"title":"Matrix metalloproteinases-2 and -9 and their endogenous tissue inhibitors in tissue remodeling after sealing of the fetal membranes in a sheep model of fetoscopic surgery.","authors":"R Devlieger, S C Riley, L Verbist, R Leask, R Pijnenborg, J A Deprest","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Objectives: </strong>We studied collagen plugging of the fetoscopic access site in an in vivo fetal lamb model for fetoscopic surgery and possible role for matrix metalloproteinase (MMP)-2 and -9 and tissue inhibitors (TIMPs).</p><p><strong>Methods: </strong>Eight ewes had fetoscopic balloon occlusion of the trachea as an experimental treatment for congenital diaphragmatic hernia between days 88 and 99 of gestation (term 145 days) with sampling of amniotic, allantoic, and tracheal fluid. Nonoperated cotwins were used as controls. The fetoscopy port was closed using a collagen plug. Ten days (range 9-12) later, fluids were sampled and plug sites collected for histologic analysis. Activity of MMP-2 (72 kDa, gelatinase A) and MMP-9 (92 kDa, gelatinase B) was determined in the fluids by zymography and secretion of TIMPs (27-30 kDa; TIMP-1, glycosylated TIMP-3 and TIMP-4, 24 kDa; unglycosylated TIMP-3, 21 kDa; TIMP-2) by reverse zymography and quantified by densitometric analysis.</p><p><strong>Results: </strong>No pregnancy was complicated by amniorhexis or preterm labor. At cesarean, normal volumes of amniotic and allantoic fluid were present in all cases. Histology of the plug sites revealed good integration of the collagen plug without complete restoration of membrane integrity. MMP-2, MMP-9, and TIMPs were detected in all fluids. In the operated animals, significantly (P <.05) higher activity of MMP-9 was found in amniotic fluid, with lower concentrations of TIMPs in allantoic fluid (P <.01). Tracheal occlusion was associated with a significant (P <.02) increase in both MMP-2 and -9 in tracheal fluid.</p><p><strong>Conclusion: </strong>Collagen plugging of the fetoscopic access port sites in sheep resulted in functionally effective sealing of the fetal membranes. Changes in MMP-2, MMP-9, and TIMPs suggest an active remodeling of both the fetal lung and the fetal membranes.</p>","PeriodicalId":502110,"journal":{"name":"Journal of the Society for Gynecologic Investigation","volume":"9 3","pages":"137-45"},"PeriodicalIF":0.0,"publicationDate":"2002-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138807850","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}