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Stem cell investigation2018; 5; 31; doi: 10.21037/sci.2018.09.01

Equine bone marrow-derived mesenchymal stem cells: optimization of cell density in primary culture.

Abstract: The primary cell seeding density of bone marrow-derived mononuclear cells (BM-MNCs) affects several cellular behaviors, including attachment to the culture dish, proliferation, and differentiation. Methods: The aim of this study was to determine the best density of equine BM-MNCs in primary culture (P0) for obtaining the maximum bone marrow-derived mesenchymal stem cell (BM-MSC) yields at the end of P0. Bone marrow samples of two healthy mares were aspirated. The MNCs were isolated and cultured at different densities (1×10, 2×10, 4×10, 8×10, and 1×10 cells/cm). Within the 7 and 14 days after seeding, the colonies containing more than 15 cells were counted and the percentage of confluency and the number of cells were calculated on day 21. Results: The lowest density of MNCs was associated with the least number of colonies, number of adherent cells, and confluency percentage, whereas the highest density was associated with the maximum number of colonies and confluency percentage (P<0.05). However, the maximum number of cells at the end of P0 was associated with the intermediate (4×10 cells/cm) and the highest concentration (P<0.05). Conclusions: The maximum number of MSCs at the end of P0 was obtained at the densities of 1×10 and, especially, at 4×10 cells/cm.
Publication Date: 2018-10-09 PubMed ID: 30498742PubMed Central: PMC6232052DOI: 10.21037/sci.2018.09.01Google Scholar: Lookup
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  • Journal Article

Summary

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The research article presents a study on the optimization of cell density in primary culture for bone marrow-derived stem cells from horses. The study discovered that an intermediate and highest density led to a maximum number of mesenchymal stem cells.

Methodology

  • The researchers aimed at identifying the optimal density for equine bone marrow-derived mononuclear cells (BM-MNCs) in primary culture to achieve maximum mesenchymal stem cell (BM-MSCs) yield at the end of this primary culture period.
  • Bone marrow samples were taken from two healthy mares, and the MNCs within these samples were isolated and cultured at different densities.
  • These densities ranged from 1×10 to 1×10 cells per centimeter squared.
  • Colonies with more than 15 cells were counted 7 and 14 days post-seeding, and the cell numbers and confluency percentage (the percentage of the dish surface covered by cells) were calculated on the 21st day.

Results

  • Results pointed out that the lowest MNCs density led to the least number of colonies and adherent cells, as well as the smallest confluency percentage.
  • Contrarily, the highest MNCs density resulted in the highest number of colonies and confluency percentage.
  • Interestingly, the highest number of cells at the end of the primary culture period (P0) was linked to an intermediate (4×10 cells per centimeter squared) and the highest MNC density.

Conclusion

  • The study concluded that the maximum number of mesenchymal stem cells at the end of the primary culture period was associated with the highest, and particularly, the intermediate cell densities.
  • These findings provide valuable information for researchers working on stem cell research, especially those focusing on equine medicine and regenerative therapy.

Cite This Article

APA
Zahedi M, Parham A, Dehghani H, Kazemi Mehrjerdi H. (2018). Equine bone marrow-derived mesenchymal stem cells: optimization of cell density in primary culture. Stem Cell Investig, 5, 31. https://doi.org/10.21037/sci.2018.09.01

Publication

ISSN: 2306-9759
NlmUniqueID: 101672113
Country: China
Language: English
Volume: 5
Pages: 31
PII: 31

Researcher Affiliations

Zahedi, Morteza
  • Division of Physiology, Department of Basic Sciences, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran.
Parham, Abbas
  • Division of Physiology, Department of Basic Sciences, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran.
  • Stem Cell Biotechnology and Alterative Regenerative Medicine Group, Institute of Biotechnology, Ferdowsi University of Mashhad, Mashhad, Iran.
Dehghani, Hesam
  • Division of Physiology, Department of Basic Sciences, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran.
  • Stem Cell Biotechnology and Alterative Regenerative Medicine Group, Institute of Biotechnology, Ferdowsi University of Mashhad, Mashhad, Iran.
Kazemi Mehrjerdi, Hossein
  • Department of Clinical Sciences, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran.

Conflict of Interest Statement

Conflicts of Interest: The authors declare that there is no conflict of interest.

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Citations

This article has been cited 4 times.
  1. Che L, Zhu C, Huang L, Xu H, Ma X, Luo X, He H, Zhang T, Wang N. Ginsenoside Rg2 Promotes the Proliferation and Stemness Maintenance of Porcine Mesenchymal Stem Cells through Autophagy Induction.. Foods 2023 Mar 2;12(5).
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  2. Nagai H, Miwa A, Yoneda K, Fujisawa K, Takami T. Optimizing the Seeding Density of Human Mononuclear Cells to Improve the Purity of Highly Proliferative Mesenchymal Stem Cells.. Bioengineering (Basel) 2023 Jan 11;10(1).
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