Journal
REGENERATIVE THERAPY
Volume 23, Issue -, Pages 94-101Publisher
ELSEVIER
DOI: 10.1016/j.reth.2023.04.004
Keywords
Mesenchymal stem cells; Granulocyte differentiation; Rat BM-Resident C-kit plus HSCs; Cell based-therapy; Clinical agent
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The study investigates the effect of rat bone marrow-derived MSCs on granulocyte differentiation of rat BM-resident C-kit+ HSCs. The results show that MSCs significantly increase the expression of granulocyte markers, telomere length, and Wnt/b-catenin protein expression. Therefore, MSCs can influence the granulocyte differentiation of C-kit+ HSCs through increasing telomere length and Wnt/b-catenin protein expression.
Mesenchymal stem cells (MSCs) are effective in hematopoietic engraftment and tissue repair in stem cell transplantation. In addition, these cells control the process of hematopoiesis by secreting growth factors and cytokines. The aim of the present study is to investigate the effect of rat bone marrow (BM)-derived MSCs on the granulocyte differentiation of rat BM-resident C-kit+ hematopoietic stem cells (HSCs). The mononuclear cells were collected from rat BM using density gradient centrifugation and MSCs and C-kit+ HSCs were isolated. Then, cells were divided into two groups and differentiated into granulocytes; C-kit+ HSCs alone (control group) and co-cultured C-kit+ HSCs with MSCs (experimental group). Subsequently, the granulocyte-differentiated cells were collected and subjected to real-time PCR and Western blotting for the assessment of their telomere length (TL) and protein expressions, respectively. Afterwards, cul -ture medium was collected to measure cytokine levels. CD34, CD16, CD11b, and CD18 granulocyte markers expression levels were significantly increased in the experimental group compared to the control group. A significant change was also observed in the protein expression of Wnt and b-catenin. In addition, MSCs caused an increase in the TL of granulocyte-differentiated cells. MSCs could affect the granulocyte differentiation of C-kit+ HSCs via increasing TL and Wnt/b-catenin protein expression. (c) 2023, The Japanese Society for Regenerative Medicine. Production and hosting by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
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