Evidence map›Paper›PMID 32917695›Full record

ArticleScience advances2020

Let-7 derived from endometrial extracellular vesicles is an important inducer of embryonic diapause in mice.

W M Liu, R R Cheng, Z R Niu, A C Chen, M Y Ma, T Li, P C Chiu, R T Pang, Y L Lee, J P Ou and 2 more

Open access · goldAbstract read
In one paragraph

Article in Science advances, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed
2.7field-weighted citation impact, top 9% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

27 citing papers in PubMed, 54 citations in OpenAlex.

  1. Review
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  5. [The role of extracellular vesicles in early embryo development and their application in assisted reproductive technologies].Zhejiang da xue xue bao. Yi xue ban = Journal of Zhejiang University. Medical sciences · 2025
    Review
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  7. Article
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  9. TET activity safeguards pluripotency throughout embryonic dormancy.Nature structural & molecular biology · 2024
    Article
  10. Article
  11. Exosomes as modulators of embryo implantation.Molecular biology reports · 2024
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors at 6 institutions in 3 countries.

W M LiuShenzhen Key Laboratory of Fertility Regulation, The University of Hong Kong-Shenzhen Hospital, Shenzhen, 1, Haiyuan 1st Road, Futian District, Shenzhen, Guangdong, P.R. China.ORCID 0000-0001-7949-8830
R R ChengDepartment of Obstetrics and Gynaecology, The University of Hong Kong, Pokfulam Road, Hong Kong, P.R. China.ORCID 0000-0001-8681-5160
Z R NiuDepartment of Obstetrics and Gynaecology, The University of Hong Kong, Pokfulam Road, Hong Kong, P.R. China.ORCID 0000-0002-2629-3484
A C ChenDepartment of Obstetrics and Gynaecology, The University of Hong Kong, Pokfulam Road, Hong Kong, P.R. China.ORCID 0000-0002-7065-3192
M Y MaDepartment of Obstetrics and Gynecology, General Hospital of Chinese People's Liberation Army, Beijing 100853, P.R. China.ORCID 0000-0002-5184-7741
T LiCenter for Reproductive Medicine, The Third Affiliated Hospital, Sun Yat-Sen University, No. 600 Tianhe Road, Tianhe District, Guangzhou P.R. China.ORCID 0000-0001-5416-0331
P C ChiuShenzhen Key Laboratory of Fertility Regulation, The University of Hong Kong-Shenzhen Hospital, Shenzhen, 1, Haiyuan 1st Road, Futian District, Shenzhen, Guangdong, P.R. China.ORCID 0000-0001-6217-1970
R T PangShenzhen Key Laboratory of Fertility Regulation, The University of Hong Kong-Shenzhen Hospital, Shenzhen, 1, Haiyuan 1st Road, Futian District, Shenzhen, Guangdong, P.R. China.ORCID 0000-0001-5464-4125
Y L LeeShenzhen Key Laboratory of Fertility Regulation, The University of Hong Kong-Shenzhen Hospital, Shenzhen, 1, Haiyuan 1st Road, Futian District, Shenzhen, Guangdong, P.R. China.ORCID 0000-0003-0559-4381
J P OuCenter for Reproductive Medicine, The Third Affiliated Hospital, Sun Yat-Sen University, No. 600 Tianhe Road, Tianhe District, Guangzhou P.R. China.ORCID 0000-0002-6280-1351
Y Q YaoDepartment of Obstetrics and Gynecology, General Hospital of Chinese People's Liberation Army, Beijing 100853, P.R. China.ORCID 0000-0002-4250-080X
W S B YeungShenzhen Key Laboratory of Fertility Regulation, The University of Hong Kong-Shenzhen Hospital, Shenzhen, 1, Haiyuan 1st Road, Futian District, Shenzhen, Guangdong, P.R. China. wsbyeung@hku.hk.ORCID 0000-0003-0670-0879
University of Hong Kong - Shenzhen Hospital · CNChinese General Hospital College of Nursing and Liberal Arts · PHSun Yat-sen University · CNUniversity of Hong Kong · HKCity University of Hong Kong, Shenzhen Research Institute · CNPeking University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Embryonic diapause is a maternally controlled phenomenon. The molecule controlling the onset of the phenomenon is unknown. We demonstrated that overexpression of microRNA let-7a or incubation with let-7g-enriched extracellular vesicles from endometrial epithelial cells prolonged the in vitro survival of mouse blastocysts, which developed into live pups after having been transferred to foster mothers. Similar to in vivo dormant blastocysts, let-7-induced dormant blastocysts exhibited low level of proliferation, apoptosis, and nutrient metabolism. Let-7 suppressed c-myc/mTORC1 and mTORC2 signaling to induce embryonic diapause. It also inhibited ODC1 expression reducing biosynthesis of polyamines, which are known to reactivate dormant embryos. Furthermore, the overexpression of let-7 blocked trophoblast differentiation and implantation potential of human embryo surrogates, and prolonged survival of human blastocysts in vitro, supporting the idea that embryonic diapause was an evolutionary conserved phenomenon. In conclusion, let-7 is the main factor inducing embryonic diapause.

Indexed as

DiapauseExtracellular VesiclesMicroRNAsAnimalsBlastocystEmbryo ImplantationEmbryonic DevelopmentEndometriumFemaleMiceMicroRNAs

Identifiers

PMID32917695
PMCPMC11206465
OpenAlexW3083784738

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.