ArticleFrontiers in genetics2021
Day 7 Embryos Change the Proteomics and Exosomal Micro-RNAs Content of Bovine Uterine Fluid: Involvement of Innate Immune Functions.
Article in Frontiers in genetics, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 20 citations in OpenAlex.
- Metabolomic profiling of neat uterine luminal fluid in cows: local enrichment and nutritional modulation.The veterinary quarterly · 2026Article
- Article
- Extracellular Vesicles in Implantation: Cross-Talk Between the Embryo and Endometrium.Advances in anatomy, embryology, and cell biology · 2026Review
- Blastocyst-Secreted miR-519d-3p Modulated the Cell Viability, Apoptosis and Migration of Human Endometrial Stromal Cells by Targeting HIF1α.Reproductive sciences (Thousand Oaks, Calif.) · 2025Article
- Deciphering the dialogue between the bovine blastocyst and the uterus: embryo-induced alterations in extracellular vesicle protein content from an ex vivo model and the in vivo environment.Journal of animal science and biotechnology · 2025Article
- Involvement of chemokine CXCL12 and its receptor CXCR4 in uterine receptivity and potential relationship to fertility in cattle: a mini review.Frontiers in veterinary science · 2025Review
- The evolving roles of extracellular vesicles in embryo-maternal communication.Communications biology · 2024Review
- Extracellular vesicles-coupled miRNAs from oviduct and uterus modulate signaling pathways related to lipid metabolism and bovine early embryo development.Journal of animal science and biotechnology · 2024Article
- Extracellular vesicles: emerging paradigms in bovine embryo-maternal communication.Animal reproduction · 2024Review
- Proteomic Approaches to Unravel the Molecular Dynamics of Early Pregnancy in Farm Animals: An In-Depth Review.Journal of developmental biology · 2023Review
- Role of extracellular vesicles in intercellular communication during reproduction.Reproduction in domestic animals = Zuchthygiene · 2022Review
- miRNA profiling in intrauterine exosomes of pregnant cattle on day 7.Frontiers in veterinary science · 2022Article
- Dynamic Expression and Gene Regulation of MicroRNAs During Bighead Carp (Frontiers in genetics · 2021Article
Corrections and comments
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Authors and funding
10 authors at 8 institutions in 5 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This study aimed to characterize proteins and exosomal microRNAs (miRNAs) in the uterine flushings (UF) of cows associated with Day 7 (D7) pregnancy using the embryo donor cows of the embryo transfer program. Superovulated cows either were inseminated (AI cows) or remained non-inseminated (Ctrl cows). UF was collected on D7 in the presence of multiple embryos (AI cows) or without embryos (Ctrl cows) and subjected to isobaric tags for relative and absolute quantification protein analysis. A total of 336 proteins were identified, of which 260 proteins were more than 2-fold higher in AI cows than Ctrl cows. Gene ontology analysis revealed that many differentially expressed proteins were involved in "neutrophil-related" and "extracellular vesicular exosome-related" terms. In silico analysis of proteins with higher concentrations in the UF of AI identified 18 uniquely expressed proteins. Exosomes were isolated from the UF, from which RNA was subjected to miRNA-seq, identifying 37 miRNAs. Of these, three miRNAs were lower, and six miRNAs were higher in the UF of AI cows than those of Ctrl ones. The principal component analysis displayed a close association in miRNA and protein between bta-miR-29a, bta-miR-199b, SUGT1, and PPID. In addition, the receiver operating characteristic curve analysis showed that SUGT1 was the best predictor for the presence of embryos in the uterus. These findings suggest that the presence of multiple D7 embryos in the uterus can lead to significant changes in the protein composition and exosomal miRNA contents of UF, which could mediate innate immunological interactions between the pre-hatching embryo and the uterus in cows.
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