Fertility and sterility · 2013
Transforming growth factor-β1 and its receptor soluble endoglin are altered in polycystic ovary syndrome during controlled ovarian stimulation.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
Обработка статьи · этапы, ошибки и управление
Загрузка состояния…
Ошибки и ограничения
История · было → стало
Состояние обновляется каждые 5 секунд, пока блок открыт. Процент показывается только там, где известен объём работы. Пауза останавливает продолжение этапа; текущий запрос к источнику может завершиться.
Tal Reshef, Seifer David B, Shohat-Tal Aya, Grazi Richard V, Malter Henry E
Аннотация
OBJECTIVE: To evaluate the relationship between transforming growth factor (TGF)-β1 and its receptor, soluble endoglin (sENG), in the serum and follicular fluid of women with polycystic ovarian syndrome (PCOS) compared with that of non-PCOS normal ovulating women during controlled ovarian stimulation (COS).
DESIGN: Prospective case-control study.
SETTING: Academic-affiliated assisted reproductive technology unit.
PATIENT(S): Fourteen PCOS and 14 matched non-PCOS control women undergoing COS.
INTERVENTION(S): Serum was collected on day 3 (baseline), day of hCG, and day of retrieval. Follicular fluid (FF) was collected on day of oocyte retrieval. ELISA was performed to determine TGF-β1 and sENG protein levels.
MAIN OUTCOME MEASURE(S): Serum and FF levels of TGF-β1 and sENG.
RESULT(S): Serum TGF-β1 did not change significantly during COS but was increased in PCOS compared with non-PCOS women on day 3 and days of hCG administration and oocyte retrieval. Serum sENG increased after hCG administration only in the non-PCOS control group. In addition, serum sENG was decreased in PCOS compared with non-PCOS control women on the days of hCG and retrieval. Accordingly, the bioavailability of TGF-β1 (TGF-β1/sENG ratio) was increased in women with PCOS compared with non-PCOS controls at all three time points. No differences in either factor were noted in FF between groups.
CONCLUSION(S): The increased TGF-β1 bioavailability in PCOS is not only due to increased TGF-β1 levels but also to decreased levels of its receptor, sENG. These data suggest that increased TGF-β1 bioavailability may contribute to the pathogenesis of PCOS and its increased risk for ovarian hyperstimulation.
DESIGN: Prospective case-control study.
SETTING: Academic-affiliated assisted reproductive technology unit.
PATIENT(S): Fourteen PCOS and 14 matched non-PCOS control women undergoing COS.
INTERVENTION(S): Serum was collected on day 3 (baseline), day of hCG, and day of retrieval. Follicular fluid (FF) was collected on day of oocyte retrieval. ELISA was performed to determine TGF-β1 and sENG protein levels.
MAIN OUTCOME MEASURE(S): Serum and FF levels of TGF-β1 and sENG.
RESULT(S): Serum TGF-β1 did not change significantly during COS but was increased in PCOS compared with non-PCOS women on day 3 and days of hCG administration and oocyte retrieval. Serum sENG increased after hCG administration only in the non-PCOS control group. In addition, serum sENG was decreased in PCOS compared with non-PCOS control women on the days of hCG and retrieval. Accordingly, the bioavailability of TGF-β1 (TGF-β1/sENG ratio) was increased in women with PCOS compared with non-PCOS controls at all three time points. No differences in either factor were noted in FF between groups.
CONCLUSION(S): The increased TGF-β1 bioavailability in PCOS is not only due to increased TGF-β1 levels but also to decreased levels of its receptor, sENG. These data suggest that increased TGF-β1 bioavailability may contribute to the pathogenesis of PCOS and its increased risk for ovarian hyperstimulation.
Предметные рубрики MeSH
AdultAntigens, CDCase-Control StudiesEndoglinFemaleFertilization in VitroFollicular FluidHumansInfertility, FemaleOvarian Hyperstimulation SyndromeOvulation InductionPolycystic Ovary SyndromeReceptors, Cell SurfaceSperm Injections, IntracytoplasmicTransforming Growth Factor beta1UltrasonographyYoung Adult