Evidence map›Paper›PMID 33413071›Full record

ArticleBMC genomics2021

The micro-RNA content of unsorted cryopreserved bovine sperm and its relation to the fertility of sperm after sex-sorting.

Esin Keles, Eleni Malama, Siyka Bozukova, Mathias Siuda, Sarah Wyck, Ulrich Witschi, Stefan Bauersachs, Heinrich Bollwein

Abstract read
In one paragraph

Article in BMC genomics, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
–field-weighted citation impact
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

19 citing papers in PubMed.

  1. Review
  2. Review
  3. Molecular Constraints of Sperm Sex Sorting via TLR7/8 Activation.Animals : an open access journal from MDPI · 2025
    Review
  4. Review
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  16. Study of Small Non-Coding RNA (miRNA) Expression Pattern of Fertile/Infertile Male Semen.Acta informatica medica : AIM : journal of the Society for Medical Informatics of Bosnia & Herzegovina : casopis Drustva za medicinsku informatiku BiH · 2022
    Article
  17. The epigenome of male germ cells and the programming of phenotypes in cattle.Animal frontiers : the review magazine of animal agriculture · 2021
    Article
  18. Review
  19. Article
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

8 authors.

Esin KelesClinic of Reproductive Medicine, Vetsuisse Faculty, University of Zurich, CH-8057, Zurich, Switzerland.
Eleni MalamaClinic of Reproductive Medicine, Vetsuisse Faculty, University of Zurich, CH-8057, Zurich, Switzerland. emalama@vetclinics.uzh.ch.ORCID http://orcid.org/0000-0003-1433-7336
Siyka BozukovaInstitute of Veterinary Anatomy, Vetsuisse Faculty, University of Zurich, CH-8057, Zurich, Switzerland.
Mathias SiudaClinic of Reproductive Medicine, Vetsuisse Faculty, University of Zurich, CH-8057, Zurich, Switzerland.
Sarah WyckSwissgenetics, CH-3052, Zollikofen, Switzerland.
Ulrich WitschiSwissgenetics, CH-3052, Zollikofen, Switzerland.
Stefan BauersachsInstitute of Veterinary Anatomy, Vetsuisse Faculty, University of Zurich, CH-8057, Zurich, Switzerland.
Heinrich BollweinClinic of Reproductive Medicine, Vetsuisse Faculty, University of Zurich, CH-8057, Zurich, Switzerland.

Funding

Ministry of Agriculture and Forestry General Directorate of Agricultural Research and Policies, Republic of Turkey 1416
6 · The paper itself

Abstract

backgroundThe use of sex-sorted sperm in cattle assisted reproduction is constantly increasing. However, sperm fertility can substantially differ between unsorted (conventional) and sex-sorted semen batches of the same sire. Sperm microRNAs (miRNA) have been suggested as promising biomarkers of bull fertility the last years. In this study, we hypothesized that the miRNA profile of cryopreserved conventional sperm is related to bull fertility after artificial insemination with X-bearing sperm. For this purpose, we analyzed the miRNA profile of 18 conventional sperm samples obtained from nine high- (HF) and nine low-fertility (LF) bulls that were contemporaneously used to produce conventional and sex-sorted semen batches. The annual 56-day non-return rate for each semen type (NRR

resultsIn total, 85 miRNAs were detected. MiR-34b-3p and miR-100-5p were the two most highly expressed miRNAs with their relative abundance reaching 30% in total. MiR-10a-5p and miR-9-5p were differentially expressed in LF and HF samples (false discovery rate < 10%). The expression levels of miR-9-5p, miR-34c, miR-423-5p, miR-449a, miR-5193-5p, miR-1246, miR-2483-5p, miR-92a, miR-21-5p were significantly correlated to NRR

conclusionsA set of miRNAs detected in conventionally produced semen batches were linked to the fertilizing potential of bovine sperm after sex-sorting. These miRNAs should be further evaluated as potential biomarkers of a sire's suitability for the production of sex-sorted sperm.

Indexed as

MicroRNAsSpermatozoaAnimalsCattleCryopreservationFertilityInsemination, ArtificialMaleMicroRNAsbull fertilitymicroRNAmiRNAsex-sorted spermsmall RNA-seq

Identifiers

PMID33413071
PMCPMC7792310

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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.