Evidence map›Paper›PMID 34787777›Full record

ArticleVeterinary research communications2022

MicroRNA-21 expression, serum tumor markers, and immunohistochemistry in canine mammary tumors.

Eman S Ramadan, Noha Y Salem, Ibrahim A Emam, Naglaa A AbdElKader, Haithem A Farghali, Marwa S Khattab

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Article in Veterinary research communications, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
2.2field-weighted citation impact, top 12% 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

15 citing papers in PubMed, 21 citations in OpenAlex.

  1. Article
  2. The role of epigenetic alterations in canine mammary cancer.The Journal of reproduction and development · 2026
    Review
  3. Article
  4. Low-Invasive Biomarkers of Canine Mammary Tumours.Veterinary medicine and science · 2025
    Review
  5. Review
  6. Review
  7. Review
  8. Review of Molecular Technologies for Investigating Canine Cancer.Animals : an open access journal from MDPI · 2024
    Review
  9. Review
  10. Review
  11. Article
  12. Review
  13. Article
  14. Review
  15. Epigenetic alterations in canine mammary cancer.Genetics and molecular biology · 2022
    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

6 authors at 1 institution in 1 country.

Eman S RamadanDepartment of Internal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt.
Noha Y SalemDepartment of Internal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt.
Ibrahim A EmamDepartment of Surgery and Anesthesia, Faculty of Veterinary Medicine, Cairo University, 12211, Giza, Egypt.
Naglaa A AbdElKaderDepartment of Surgery and Anesthesia, Faculty of Veterinary Medicine, Cairo University, 12211, Giza, Egypt.
Haithem A FarghaliDepartment of Surgery and Anesthesia, Faculty of Veterinary Medicine, Cairo University, 12211, Giza, Egypt.
Marwa S KhattabDepartment of Pathology, Faculty of Veterinary Medicine, Cairo University, 12211, Giza, Egypt. marwakhattab@cu.edu.eg.ORCID http://orcid.org/0000-0002-8068-6094
Cairo University · EG

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundCanine mammary tumors (CMTs) are one of the most common malignancies in dogs and are associated with significant mortality. Serum tumor markers and non-coding microRNAs have gained widespread popularity in human oncology studies. The present study has two aims, first one is to investigate the miR-21 expression compared with changes in serum tumor markers (CEA and CA15-3) in CMT. The second aim is to detect the immunohistochemistry markers as vimentin, P63, and -SMA in CMT.

methodsThis study enrolled 17 female dogs: 10 with mammary tumors and seven controls without tumors. Blood samples were collected to measure miR-21, CEA, and CA 15-3, and histological samples were prepared for histological grading and immunohistochemistry.

resultsCA 15-3 was elevated in all animals, whereas CEA levels showed no change compared with controls. miR-21 was upregulated 12.84-fold in animals with CMT. The most frequently recorded CMT was the mixed type. Myoepithelial cells were identified by P63 immunoreactivity, but not SMA. High expression of miR-21 was observed with positive vimentin immunoreactivity, indicating the mesenchymal origin of the tumor cells.

conclusionThe present study showed that miR-21 was elevated to a greater extent than CA 15-3 (12.84-fold vs. threefold). Tumors that was positive for vimentin immunoreactivity was also associated with an elevation in the levels of miR-21, showing that miR-21 is released from mesenchymal cells. These findings support the hypothesis that miR-21 may be a more sensitive, noninvasive indicator for CMT.

Indexed as

Dog DiseasesMammary Neoplasms, AnimalMicroRNAsAnimalsBiomarkers, TumorCarcinoembryonic AntigenDogsFemaleImmunohistochemistryVimentinBiomarkers, TumorCarcinoembryonic AntigenMicroRNAsVimentinCA 15-3Canine mammary tumorCEAImmunohistochemistrymiRNA-21

Identifiers

PMID34787777
OpenAlexW3133821004

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.