Abstract:
BACKGROUND:The molecular mechanisms underlying the biologic effects or differentiation of mesenchymal stromal cells (MSC) have not been clarified. Screening for genes differentially expressed at different stages is an important step in determining these molecular mechanisms. METHODS:In this study, we analyzed the gene expression profiles of C3H10T1/2 (10T1/2) cells and two sublines, A54 (pre-adipocyte) and M1601 (myoblast), as a model of MSC and downstream committed progenitors. RESULTS:We found up-regulated expression of delta-like-1 (Dlk), Wnt-5a and IL-1 receptor-like-1 (ST2) in 10T1/2 cells; stem cell factor (SCF) and stromal derived factor-1 (SDF-1) in A54 cells; and cardiac muscle-specific gene in M1601 cells. Overexpression of Dlk in A54 cells did not induce any effects on their differentiation into adipocytes. After differentiation into adipocytes, A54 cells reduced the expression of SCF, SDF-1 and Ang-1 as well as the ability to support the formation of a cobblestone appearance. DISCUSSION:The results suggest that these three lines hae different gene profiles and are a useful system for analyzing the differentiation and function of MSC and progenitor cells.
journal_name
Cytotherapyjournal_title
Cytotherapyauthors
Oh I,Ozaki M,Miyazato A,Sato K,Meguro A,Muroi K,Nagai T,Mano H,Ozawa Kdoi
10.1080/14653240601016374subject
Has Abstractpub_date
2007-01-01 00:00:00pages
80-90issue
1eissn
1465-3249issn
1477-2566pii
S1465-3249(07)70065-8journal_volume
9pub_type
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