Abstract:
:The osteogenic capacity of human umbilical cord blood derived mesenchymal stem cells (UCB-MSCs) has been demonstrated both in vitro and in vivo. Therefore, cell labeling and storage are becoming necessary for researching the potential therapeutic use of UCB-MSCs for bone tissue engineering. The aim of this study was to determine the effect of cryopreservation on the osteogenic differentiation of green fluorescent protein (GFP)-marked UCB-MSCs in vitro. MSCs were isolated from full-term human UCB, expanded, transfected with the GFP gene, and then cryopreserved in liquid nitrogen for 4 weeks. After thawing, cell surface antigen markers and osteogenic potential were analyzed, and the luminescence of these cells was observed by fluorescence microscopy. The results demonstrate that cryopreservation has no effect on the cell phenotype, GFP expression or osteogenic differentiation of UCB-MSCs, showing that cryopreserved GFP-labeled UCB-MSCs might be applied for bone tissue engineering.
journal_name
Cryobiologyjournal_title
Cryobiologyauthors
Liu G,Ye X,Zhu Y,Li Y,Sun J,Cui L,Cao Ydoi
10.1016/j.cryobiol.2011.05.005subject
Has Abstractpub_date
2011-10-01 00:00:00pages
125-8issue
2eissn
0011-2240issn
1090-2392pii
S0011-2240(11)00103-9journal_volume
63pub_type
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