ISSN : 2146-3123
E-ISSN : 2146-3131

Testosterone Propionate Promotes Proliferation and Viability of Bone Marrow Mesenchymal Stem Cells while Preserving Their Characteristics and Inducing Their Anti-Cancer Efficacy
Başak Aru1, Tuba Akdeniz2, Hüsniye Dağdeviren3, Gizem Gürel1, Gülderen Yanıkkaya Demirel1,3
1Department of Immunology, Yeditepe University Faculty of Medicine, İstanbul, Turkey
2Department of Medical Biology, Yeditepe University Faculty of Medicine, İstanbul, Turkey
3Stem Cell Laboratory, Yeditepe University Training and Research Hospital, İstanbul, Turkey
DOI : 10.4274/balkanmedj.galenos.2022.2022-10-21
Pages : 117-123

Background: Various studies have reported the effects of testosterone on different cell types, yet bone marrow-derived mesenchymal stem cells’ cellular responses to testosterone remain unknown.
Aims: To investigate the effects of testosterone propionate, an oil-soluble short-acting form of testosterone, on human bone marrow-derived mesenchymal stem cells’ proliferation and viability after 24 hours of incubation. We also investigated the impact of testosterone propionate on bone marrow-derived mesenchymal stem cell’s polarization and cytotoxicity on K562 leukemia cell line
Study Design: In vitro study.
Methods: We expanded commercially available bone marrow derived mesenchymal stem cells in vitro and treated them with testosterone propionate at concentrations ranging from 10-6-10-10 M for 24 hours. Ideal concentration was determined by evaluating cellular viability and proliferation with Annexin V/Propidium Iodide assay and carboxyfluorescein succinimidyl ester staining. The characteristic features of bone marrow-derived mesenchymal stem cells were evaluated by immunophenotyping and investigating their differentiation capacities. Bone marrow-derived mesenchymal stem cells’ cytotoxic properties upon testosterone propionate treatment were determined by co-culturing the cells with K562 cells and with confocal imaging investigating polarization.
Results: Testosterone propionate promoted proliferation and maintained the viability of bone marrow-derived mesenchymal stem at 10-8 M concentration. Further evaluations were conducted with the determined dose. The results showed that, apart from promoting mesenchymal stem cells’ polarization and increasing their cytotoxicity on K562 cells, testosterone propionate did not alter differentiation capacities of bone marrow-derived mesenchymal stem cells and certain cell surface markers, but led to a significant increase in HLA-DR expression.
Conclusion: The findings reveal that testosterone propionate promotes the proliferation and survival of bone marrow-derived mesenchymal stem cells in a dose-dependent manner without hampering their differentiation capacities, induces their polarization to the pro-inflammatory phenotype, and increases their cytotoxicity on the K562 cell line.

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