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Journal of Translational Medicine
Published in: Journal of Translational Medicine 1/2014

Open Access 01-12-2014 | Research

Disturbed angiogenic activity of adipose-derived stromal cells obtained from patients with coronary artery disease and diabetes mellitus type 2

Authors: Nina A Dzhoyashvili, Anastasia Yu Efimenko, Tatiana N Kochegura, Natalia I Kalinina, Natalia V Koptelova, Olga Yu Sukhareva, Marina V Shestakova, Renat S Akchurin, Vsevolod A Tkachuk, Yelena V Parfyonova

Published in: Journal of Translational Medicine | Issue 1/2014

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Abstract

Background

Multipotent mesenchymal stem/stromal cells (MSC) including adipose-derived stromal cells (ADSC) have been successfully applied for cardiovascular diseases treatment. Their regenerative potential is considered due to the multipotency, paracrine activity and immunologic privilege. However, therapeutic efficacy of autologous MSC for myocardial ischemia therapy is modest. We analyzed if ADSC properties are attenuated in patients with chronic diseases such as coronary artery disease (CAD) and diabetes mellitus type 2 (T2DM).

Methods and results

ADSC were isolated from subcutaneous fat tissue of patients without established cardiovascular diseases and metabolic disorders (control group, n = 19), patients with CAD only (n = 32) and patients with CAD and T2DM (n = 28). ADSC phenotype (flow cytometry) was CD90+/CD73+/CD105+/CD45−/CD31− and they were capable of adipogenic and osteogenic differentiation. ADSC morphology and immunophenotype were similar for all patients, but ADSC from patients with CAD and T2DM had higher proliferation activity and shorter telomeres compared to control patients.
ADSC conditioned media stimulated capillary-like tubes formation by endothelial cells (EA.hy926), but this effect significantly decreased for patients with CAD (p = 0.03) and with CAD + T2DM (p = 0.017) compared to the control group. Surprisingly we revealed significantly higher secretion of some pro-angiogenic factors (ELISA) by ADSC: vascular endothelial growth factor (VEGF) and hepatocyte growth factor (HGF) for patients with CAD and HGF and placental growth factor (PlGF) for patients with CAD + T2DM. Among angiogenesis inhibitors such as thrombospondin-1, endostatin and plasminogen activator inhibitor-1 (PAI-1) level of PAI-1 in ADSC conditioned media was significantly higher for patients with CAD and CAD + T2DM compared to the control group (p < 0.01). Inhibition of PAI-1 in ADSC conditioned media by neutralizing antibodies partially restored ADSC angiogenic activity (p = 0.017).

Conclusions

ADSC angiogenic activity is significantly declined in patients with CAD and T2DM, which could restrict the effectiveness of autologous ADSC cell therapy in these cohorts of patients. This impairment might be due to the disturbance in coordinated network of pro- and anti-angiogenic growth factors secreted by ADSC. Changes in ADSC secretome differ between patients with CAD and T2DM and further investigation are necessary to reveal the MSC-involved mechanisms of cardiovascular and metabolic diseases and develop novel approaches to their correction using the methods of regenerative medicine.
Appendix
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Metadata
Title
Disturbed angiogenic activity of adipose-derived stromal cells obtained from patients with coronary artery disease and diabetes mellitus type 2
Authors
Nina A Dzhoyashvili
Anastasia Yu Efimenko
Tatiana N Kochegura
Natalia I Kalinina
Natalia V Koptelova
Olga Yu Sukhareva
Marina V Shestakova
Renat S Akchurin
Vsevolod A Tkachuk
Yelena V Parfyonova
Publication date
01-12-2014
Publisher
BioMed Central
Published in
Journal of Translational Medicine / Issue 1/2014
Electronic ISSN: 1479-5876
DOI
https://doi.org/10.1186/s12967-014-0337-4

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