Please use this identifier to cite or link to this item: https://doi.org/10.1155/2017/6909163
Title: Effects of Macromolecular Crowding on Human Adipose Stem Cell Culture in Fetal Bovine Serum, Human Serum, and Defined Xeno-Free/Serum-Free Conditions
Authors: Patrikoski, M
Lee, MHC 
Mäkinen, L
Ang, XM
Mannerström, B
Raghunath, M 
Miettinen, S
Keywords: 0601 Biochemistry and Cell Biology
Basic Science
Stem Cell Research - Nonembryonic - Human
Regenerative Medicine
Stem Cell Research
Issue Date: 1-Jan-2017
Publisher: Hindawi Limited
Citation: Patrikoski, M, Lee, MHC, Mäkinen, L, Ang, XM, Mannerström, B, Raghunath, M, Miettinen, S (2017-01-01). Effects of Macromolecular Crowding on Human Adipose Stem Cell Culture in Fetal Bovine Serum, Human Serum, and Defined Xeno-Free/Serum-Free Conditions. Stem Cells International 2017 : 6909163-. ScholarBank@NUS Repository. https://doi.org/10.1155/2017/6909163
Abstract: Microenvironment plays an important role for stem cell proliferation and dierentiation. Macromolecular crowding (MMC) was recently shown to assist stem cells in forming their own matrix microenvironment in vitro. The ability of MMC to support adipose stem cell (ASC) proliferation, metabolism, and multilineage dierentiation was studied under dierent conditions: fetal bovine serum- (FBS-) and human serum- (HS-) based media and xeno- and serum-free (XF/SF) media. Furthermore, the immunophenotype of ASCs under MMC was evaluated. The proliferative capacity of ASCs under MMC was attenuated in each condition. However, osteogenic dierentiation was enhanced under MMC, shown by increased deposition of mineralized matrix in FBS and HS cultures. Likewise, signicantly greater lipid droplet accumulation and increased collagen IV deposition indicated enhanced adipogenesis under MMC in FBS and HS cultures. In contrast, chondrogenic dierentiation was attenuated in ASCs expanded under MMC. The ASC immunophenotype was maintained under MMC with signicantly higher expression of CD54. However, MMC impaired metabolic activity and dierentiation capacity of ASCs in XF/SF conditions. Both the supportive and inhibitory eects of MMC on ASC are culture condition dependent. In the presence of serum, MMC maintains ASC immunophenotype and enhances adipogenic and osteogenic dierentiation at the cost of reduced proliferation.
Source Title: Stem Cells International
URI: https://scholarbank.nus.edu.sg/handle/10635/234741
ISSN: 1687-966X
1687-9678
DOI: 10.1155/2017/6909163
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