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Effect of luteal-phase support on endometrial microRNA expression following controlled ovarian stimulation.


ABSTRACT: BACKGROUND: Studies suggested that microRNAs influence cellular activities in the uterus including cell differentiation and embryo implantation. In assisted reproduction cycles, luteal phase support, given to improve endometrial characteristics and to facilitate the implantation process, has been a standard practice. The effect of different types of luteal phase support using steroid hormones in relation to endometrial miRNA profiles during the peri-implantation period has not seen described. This study was designed to evaluate the expression of miRNAs during the luteal phase following controlled ovarian stimulation for IVF and the influence of different luteal phase support protocols on miRNA profiles. METHODS: The study was approved by the Johns Hopkins Hospital Institutional Review Board. Endometrial biopsies were obtained on the day of oocyte retrieval from 9 oocyte donors (group I). An additional endometrial biopsy was obtained 3-5?days later (Group II) after the donors were randomized into three groups. Group IIa had no luteal-phase support, group IIb had luteal support with micronized progesterone (P), and Group IIc had luteal support with progesterone plus 17-beta-estradiol (P?+?E). Total RNA was isolated and microarray analysis was performed using an Illumina miRNA expression panel. RESULTS: A total of 526 miRNAs were identified. Out of those, 216 miRNAs were differentially regulated (p?

SUBMITTER: Zhao Y 

PROVIDER: S-EPMC3462109 | biostudies-literature | 2012

REPOSITORIES: biostudies-literature

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Effect of luteal-phase support on endometrial microRNA expression following controlled ovarian stimulation.

Zhao Yulian Y   Zacur Howard H   Cheadle Chris C   Ning Ning N   Fan Jinshui J   Vlahos Nikos F NF  

Reproductive biology and endocrinology : RB&E 20120906


<h4>Background</h4>Studies suggested that microRNAs influence cellular activities in the uterus including cell differentiation and embryo implantation. In assisted reproduction cycles, luteal phase support, given to improve endometrial characteristics and to facilitate the implantation process, has been a standard practice. The effect of different types of luteal phase support using steroid hormones in relation to endometrial miRNA profiles during the peri-implantation period has not seen descri  ...[more]

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