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Scand J Clin Lab Invest. 2008;68(3):192-203.

Comparison of different culture conditions for human mesenchymal stromal cells for clinical stem cell therapy.

Author information

1
Cardiology Stem Cell Laboratory, The Heart Centre, University Hospital Rigshospitalet, Copenhagen, Denmark. mandana.haack-sorensen@rh.regionh.dk

Abstract

OBJECTIVE:

Mesenchymal stromal cells (MSCs) from adult bone marrow (BM) are considered potential candidates for therapeutic neovascularization in cardiovascular disease. When implementing results from animal trials in clinical treatment, it is essential to isolate and expand the MSCs under conditions following good manufacturing practice (GMP). The aims of the study were first to establish culture conditions following GMP quality demands for human MSC expansion and differentiation for use in clinical trials, and second to compare these MSCs with MSCs derived from culture in four media commonly used for MSC cultivation in animal studies simulating clinical stem cell therapy.

MATERIAL AND METHODS:

Human mononuclear cells (MNCs) were isolated from BM aspirates by density gradient centrifugation and cultivated in a GMP-accepted medium (EMEA medium) or in one of four other media.

RESULTS:

FACS analysis showed that the plastic-adherent MSCs cultured in EMEA medium or in the other four media were identically negative for the haematopoietic surface markers CD45 and CD34 and positive for CD105, CD73, CD90, CD166 and CD13, which in combined expression is characteristic of MSCs. MSC stimulation with vascular endothelial growth factor (VEGF) increased expression of the characteristic endothelial genes KDR and von Willebrand factor; the von Willebrand factor and CD31 at protein level as well as the capacity to develop capillary-like structures.

CONCLUSIONS:

We established culture conditions with a GMP compliant medium for MSC cultivation, expansion and differentiation. The expanded and differentiated MSCs can be used in autologous mesenchymal stromal cell therapy in patients with ischaemic heart disease.

PMID:
17852829
DOI:
10.1080/00365510701601681
[Indexed for MEDLINE]
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