Abstract:
BACKGROUND:Mesenchymal stromal cells (MSC) have shown diverse therapeutic potential. While characterization of human and mouse MSC has seen significant advances, rat bone marrow-derived MSC (rBM-MSC) remain under-characterized. We detail the isolation, expansion, differentiation, and detailed immunocharacterization of rBM-MSC. METHODS:Rat MSC were isolated and expanded in multipotent adult progenitor cell (MAPC) media, and cell-surface marker expression through 10 passages was used to characterize the population and multipotency was confirmed via differentiation. RESULTS:By passage 3, rBM-MSC were found to be CD11b-, CD45-, CD29+, CD49e+, CD73+, CD90+, CD105+ and Stro-1+, without the use of cell sorting. Media selection was responsible for the isolation of a nearly homogeneous population of rBM-MSC. The rBM-MSC immunophenotype changed by passage 10, showing decreases in CD73, CD105 and Stro-1 expression. DISCUSSION:Detailed characterization of cell populations facilitates accurate and reproducible cell therapy investigation. Given the expanding body of research involving rBM-MSC, these results advance our ability to compare rBM-MSC populations.
journal_name
Cytotherapyjournal_title
Cytotherapyauthors
Harting M,Jimenez F,Pati S,Baumgartner J,Cox C Jrdoi
10.1080/14653240801950000subject
Has Abstractpub_date
2008-01-01 00:00:00pages
243-53issue
3eissn
1465-3249issn
1477-2566pii
791972650journal_volume
10pub_type
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