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Age-associated proliferation and differentiation changes of rat bone marrow mesenchymal stem cells / 中国组织工程研究
Chinese Journal of Tissue Engineering Research ; (53): 18-23, 2015.
Artigo em Chinês | WPRIM | ID: wpr-460901
ABSTRACT

BACKGROUND:

Autologous bone marrow mesenchymal stem cel transplantation for the treatment of cardiovascular disease has become one of the hotspots, but it is unclear whether the proliferation and directional differentiation of autologous bone marrow mesenchymal stem cels varies changes with age.

OBJECTIVE:

To explore the proliferation and differentiation changes of rat bone mesenchymal stem cels in different ages.

METHODS:

The bone marrow mesenchymal stem cels from Sprague-Dawley rats in different age groups were purified and cultured, and then examined by flow cytometry in terms of cel cycle. Meanwhile, neonatal rat cardiomyocytes were co-cultured with bone marrow mesenchymal stem cels. The morphologic changes of bone marrow mesenchymal stem cels and the protein expression of troponin T were detected with immunofluorescence technique. RESULTS AND

CONCLUSION:

The percentage of bone marrow mesenchymal stem cels in G0/G1 phase was increased with age; while the percentage of expression of troponin T proteins-positive bone marrow mesenchymal stem cels were decreased with age. These findings indicate that the proliferation and differentiation abilities of rat bone marrow mesenchymal stem cels descend with age.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Tissue Engineering Research Ano de publicação: 2015 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Tissue Engineering Research Ano de publicação: 2015 Tipo de documento: Artigo