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Published in: Journal of Translational Medicine 1/2014

Open Access 01-12-2014 | Research

Donor age negatively impacts adipose tissue-derived mesenchymal stem cell expansion and differentiation

Authors: Mahmood S Choudhery, Michael Badowski, Angela Muise, John Pierce, David T Harris

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

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Abstract

Background

Human adipose tissue is an ideal autologous source of mesenchymal stem cells (MSCs) for various regenerative medicine and tissue engineering strategies. Aged patients are one of the primary target populations for many promising applications. It has long been known that advanced age is negatively correlated with an organism’s reparative and regenerative potential, but little and conflicting information is available about the effects of age on the quality of human adipose tissue derived MSCs (hAT-MSCs).

Methods

To study the influence of age, the expansion and in vitro differentiation potential of hAT-MSCs from young (<30 years), adult (35-50 years) and aged (>60 years) individuals were investigated. MSCs were characterized for expression of the genes p16INK4a and p21 along with measurements of population doublings (PD), superoxide dismutase (SOD) activity, cellular senescence and differentiation potential.

Results

Aged MSCs displayed senescent features when compared with cells isolated from young donors, concomitant with reduced viability and proliferation. These features were also associated with significantly reduced differentiation potential in aged MSCs compared to young MSCs.

Conclusions

In conclusion, advancing age negatively impacts stem cell function and such age related alterations may be detrimental for successful stem cell therapies.
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Metadata
Title
Donor age negatively impacts adipose tissue-derived mesenchymal stem cell expansion and differentiation
Authors
Mahmood S Choudhery
Michael Badowski
Angela Muise
John Pierce
David T Harris
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/10.1186/1479-5876-12-8

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