Immunophenotyping of a population of cultured human umbilical cord cells from Wharton's jelly
- Authors: Chernov V.E.1, Sokolova M.O.1, Kokorina A.A.1, Pendinen G.I.2
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Affiliations:
- Military Medical Academy
- N.I. Vavilov All-Russian Institute of Plant Genetic Resources
- Issue: Vol 43, No 2 (2024)
- Pages: 167-174
- Section: Original articles
- URL: https://journals.rcsi.science/RMMArep/article/view/264706
- DOI: https://doi.org/10.17816/rmmar624871
- ID: 264706
Cite item
Abstract
BACKGROUND: Against the background of many existing methods of defect replacement in post-traumatic injuries the methods of repair of damaged tissues based on methods using products of tissue engineering and cultures of artificially cultured human cells are becoming more and more widespread in medical practice. The literature reports weak immunogenic activity of human umbilical cord tissues, which makes these cells promising components of regenerative medicine products. Due to possible errors in explant selection and cell transformation in the process of cultivation, it is necessary to reliably determine the phenotype of cells obtained as a result of tissue explantation and their further cultivation. Thus, the specificity of obtaining multipotent mesenchymal cells from human umbilical cord Warton's stool tissues requires reliable identification of the type of the obtained cells.
AIM: To obtain reliable features of mesenchymal stem cells in the cell population obtained from human umbilical cord stool tissue.
MATERIAL AND METHODS: Methods of cell cultivation, flow cytofluorimetry, immunocytochemistry for determination of surface and intracellular markers of mesenchymal stem cells were used in the study.
RESULTS: In the course of work on the identification of cells of the population obtained by culturing explants from human umbilical cord Wharton stool, the heterogeneity of the type of cells constituting the cell population was established. Most of them are mesenchymal stem cells carrying fluorescent markers CD45, CD73, CD34, CD29, CD90, CD44, CD105, which agrees with the immunophenotype of mesenchymal stem cells defined by the International Society for Cell Therapy. The ratio of the applied markers allows us to refer the population of cells obtained by direct explantation of Varton's gelatin tissue fragments to mesenchymal stem cells. Visual control confirmed the localisation of labelled antibodies on the surface of cultured cells. And also, it was shown that there were no vascular muscle cells in the obtained culture.
CONCLUSION: As a result of experiments on identification of the cells obtained during explantation of Wharton's jelly tissue fragments and their further cultivation, their belonging to mesenchymal stem cells was established by immunofluorescence cytophotometry.
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##article.viewOnOriginalSite##About the authors
Vladimir E. Chernov
Military Medical Academy
Author for correspondence.
Email: vmeda-nio@mail.ru
ORCID iD: 0000-0002-2440-3782
SPIN-code: 8315-1161
Cand. Sci. (Biology)
Russian Federation, Saint PetersburgMargarita O. Sokolova
Military Medical Academy
Email: vmeda-nio@mail.ru
ORCID iD: 0000-0002-3457-4788
SPIN-code: 3683-6054
Russian Federation, Saint Petersburg
Arina A. Kokorina
Military Medical Academy
Email: arina.alexandrovna.vmeda-nio@mail.ru
ORCID iD: 0000-0002-6783-3088
SPIN-code: 9371-3658
Russian Federation, Saint Petersburg
Galina I. Pendinen
N.I. Vavilov All-Russian Institute of Plant Genetic Resources
Email: pendinen@mail.ru
ORCID iD: 0000-0003-2814-7074
SPIN-code: 2120-5925
Cand. Sci. (Biology)
Russian Federation, Saint PetersburgReferences
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