Dataset Information

Enhancement of Endometrial Receptivity by Cnidium officinale through Expressing LIF and Integrins.

ABSTRACT: Improvement of endometrial receptivity is necessary for successful embryo implantation, and its impairment is associated with female infertility. In this study, we investigated the effect of the roots of Cnidium officinale Makino (CoM) on endometrial receptivity in both in vitro and in vivo model of embryo implantation. We found that CoM enhanced the adhesion of JAr cells to Ishikawa cells by stimulating expression of leukemia inhibitory factor (LIF) and integrins. In addition, blocking of LIFR using hLA or neutralization of integrins ?V, ?3, and ?5 using antibodies significantly reduced the enhanced adhesion between JAr cell and CoM-treated Ishikawa cells, indicating that LIF and integrin play an important role in trophoblast-endometrium adhesion for embryo implantation. Furthermore, we identified that CoM significantly improved the implantation rate of blastocysts in the mouse model of RU-induced implantation failure. By collecting these results, here, we suggest that CoM has a therapeutic potential against female infertility associated with decreased endometrial receptivity.

SUBMITTER: Chung TW

PROVIDER: S-EPMC6885254 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Enhancement of Endometrial Receptivity by <i>Cnidium officinale</i> through Expressing LIF and Integrins.

Chung Tae-Wook TW Park Mi-Ju MJ Lee Hoyoung H Kim Keuk-Jun KJ Kim Cheorl-Ho CH Choi Hee-Jung HJ Ha Ki-Tae KT

Evidence-based complementary and alternative medicine : eCAM 20191116

Improvement of endometrial receptivity is necessary for successful embryo implantation, and its impairment is associated with female infertility. In this study, we investigated the effect of the roots of <i>Cnidium officinale</i> Makino (CoM) on endometrial receptivity in both in vitro and in vivo model of embryo implantation. We found that CoM enhanced the adhesion of JAr cells to Ishikawa cells by stimulating expression of leukemia inhibitory factor (LIF) and integrins. In addition, blocking o ...[more]

PMID: 31827559

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Project description:Study questionDoes intentional endometrial injury (i.e. endometrial scratching) during ART enhance pregnancy rates?Summary answerWe propose a randomized controlled clinical trial in women performing ART in which the intervention group will undergo an additional endometrial biopsy during exogenous ovarian stimulation.What is known alreadyAlthough endometrial receptivity has been extensively studied, the mechanisms behind the implantation of an embryo remain largely a mystery. Intentional endometrial injury has been put forward by many researchers as an inexpensive clinical tool capable of enhancing endometrial receptivity. However, despite its widespread use, the benefit of endometrial scratching is still a contentious and unresolved issue.Study design size durationPragmatic two-arm randomized, single-centre, controlled open-label trial in women undergoing exogenous gonadotropin ovarian stimulation for ART followed by a fresh embryo transfer in a gonadotropin-releasing hormone antagonist suppressed cycle. The trial will include 360 women in total with a 1:1 allocation ratio and an expected total duration of up to 45 months.Participants/materials setting methodsSubjects in the intervention group will undergo an endometrial biopsy during the follicular phase, on the sixth to eighth day of exogenous stimulation. Furthermore, nested within this clinical trial, we will also evaluate whether the transcriptomic signatures of the material collected during the biopsy may accurately distinguish women who become pregnant from those who do not. These endometrial transcriptomic signatures will be assessed both immediately after the biopsy and following in-vitro decidualization.Main results and the role of chanceOur primary objective is to assess the effect of endometrial injury during exogenous gonadotropin ovarian stimulation on clinical pregnancy rates after ART. Secondary efficacy and safety outcomes include: live-birth delivery after 24 weeks, the endometrial transcriptomic profile among women in the intervention group, short-term safety (e.g. procedure intolerance due to pain, post-procedure bleeding) and long-term safety (e.g. cancelled transfers, miscarriage) outcomes.Limitations reasons for cautionOwing to its pragmatic design, this study may have limited power to determine one or more of our secondary outcomes and whether there are specific subgroups of women who may benefit significantly from performing endometrial scratching and endometrial transcriptomic profiling.Wider implications of the findingsDespite the weak biological plausibility, heterogeneity in the existing randomized controlled trials and lack of evaluation of any potential risks associated with endometrial scratching, this procedure is still widely applied in current clinical practice. This clinical trial aims to pragmatically assess the potential benefits and harms of the generalized use of this strategy.Study funding/competing intereststhis study has received a grant from the Research Foundation-Flanders (FWO, 1524417N). This organization has no further role in the study, namely with regards to protocol development, study conduction and evaluation of results.Trial registration numberNCT02061228.Trial registration date10 February 2014.Date of first patient’s enrolment3 April 2014.Protocol version2.0.

Dataset Information

Enhancement of Endometrial Receptivity by Cnidium officinale through Expressing LIF and Integrins.

Publications

Enhancement of Endometrial Receptivity by <i>Cnidium officinale</i> through Expressing LIF and Integrins.

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