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Original Article: Research

Alterations in multipotent mesenchymal stromal cells from the bone marrow of acute myeloid leukemia patients at diagnosis and during treatment

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Pages 2042-2049 | Received 23 Apr 2018, Accepted 25 Nov 2018, Published online: 22 Jan 2019
 

Abstract

We analyzed multipotent mesenchymal stromal cells (MMSCs) from the bone marrow (BM) of 33 acute myeloid leukemia (AML) patients at diagnosis, after the first course of chemotherapy (day 37), and at days 100 and 180 after diagnosis. All patients were treated according to the AML 01.10 protocol. Cumulative production of MMSCs from AML patients at diagnosis was normal but increased during treatment. Most of the studied genes were upregulated at AML diagnosis, some (IL6, IL1B, LIF) remained upregulated during treatment, and others were downregulated (FGFR1, ICAM1) or normalized. A few genes were normal at diagnosis but decreased during treatment (FGF2, FGFR2, VEGF, SDF1, SOX9, TGFB1). The upregulation of proinflammatory genes both at diagnosis and during remission reflects ongoing inflammation. PDGFRB expression was upregulated in MMSCs from patients in relapse versus those in remission. The AML 01.10 protocol downregulates the expression of genes related to proliferation, differentiation and niche formation.

Acknowledgements

The authors thank Nina Drize, Head of the Physiology of Hematopoiesis Lab, Nikolay Kapranov from the Laboratory of Blood and Bone Marrow Cells Immunophenotyping, and the staff of the Bone Marrow Transplantation Department of the National Research Center for Hematology.

Potential conflict of interest:

Disclosure forms provided by the authors are available with the full text of this article online at http:\\10.1080/10428194.2018.1554861.

Additional information

Funding

This work was supported by the Russian Foundation for Basic Research under Grant No. 15-04-02514.

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