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Sci Rep. 2017 Oct 17;7(1):13334. doi: 10.1038/s41598-017-13477-y.

A Novel Technique for Accelerated Culture of Murine Mesenchymal Stem Cells that Allows for Sustained Multipotency.

Author information

1
The Division of Cardiology, Department of Medicine, Emory University, Atlanta, GA, USA.
2
The Department of Orthopaedics, Emory University, Atlanta, GA, USA.
3
The Atlanta Veterans Affairs Medical Center Atlanta, Decatur, GA, USA.
4
The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA.
5
Parker H. Petit Institute for Bioengineering & Bioscience, Georgia Institute of Technology, Atlanta, GA, USA.
6
George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, USA.
7
The Division of Cardiology, Department of Medicine, Emory University, Atlanta, GA, USA. alicia.lyle@emory.edu.

Abstract

Bone marrow derived mesenchymal stem cells (MSCs) are regularly utilized for translational therapeutic strategies including cell therapy, tissue engineering, and regenerative medicine and are frequently used in preclinical mouse models for both mechanistic studies and screening of new cell based therapies. Current methods to culture murine MSCs (mMSCs) select for rapidly dividing colonies and require long-term expansion. These methods thus require months of culture to generate sufficient cell numbers for feasibility studies in a lab setting and the cell populations often have reduced proliferation and differentiation potential, or have become immortalized cells. Here we describe a simple and reproducible method to generate mMSCs by utilizing hypoxia and basic fibroblast growth factor supplementation. Cells produced using these conditions were generated 2.8 times faster than under traditional methods and the mMSCs showed decreased senescence and maintained their multipotency and differentiation potential until passage 11 and beyond. Our method for mMSC isolation and expansion will significantly improve the utility of this critical cell source in pre-clinical studies for the investigation of MSC mechanisms, therapies, and cell manufacturing strategies.

PMID:
29042571
PMCID:
PMC5645326
DOI:
10.1038/s41598-017-13477-y
[Indexed for MEDLINE]
Free PMC Article

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