Document Detail

Adipogenic Differentiation of Individual Mesenchymal Stem Cell on Different Geometric Micropatterns.
MedLine Citation:
PMID:  21486006     Owner:  NLM     Status:  Publisher    
Micropatterned surfaces are very useful to control cell microenvironment and investigate the physical effects on cell function. In this study, poly(vinyl alcohol) (PVA) micropatterns on polystyrene cell-culture plates were prepared using UV photolithography. Cell adhesive polystyrene geometries of triangle, square, pentagon, hexagon, and circle were surrounded by cell nonadhesive PVA to manipulate cell shapes. These different geometries had the same small surface areas for cell spreading. Human mesenchymal stem cells (MSCs) were cultured on the micropatterned surface, and the effect of cell geometry on adipogenic differentiation was investigated. MSCs adhered to the geometric micropatterns and formed arrays of single cell with different shapes. The distribution patterns of actin filaments were similar among these cell shapes and remolded during adipogenesis. The adipogenic differentiation potential of MSCs was similar on the small size triangular, square, pentagonal, hexagonal, and circular geometries according to lipid vacuoles staining. This simple micropatterning technique using photoreactive molecules will be useful for creating micropatterns of arbitrary design on an organic surface, and cell functions can be directly and systematically compared on a single surface without external factors resulting from separate cell culture and coating method.
Wei Song; Hongxu Lu; Naoki Kawazoe; Guoping Chen
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-4-12
Journal Detail:
Title:  Langmuir : the ACS journal of surfaces and colloids     Volume:  -     ISSN:  1520-5827     ISO Abbreviation:  -     Publication Date:  2011 Apr 
Date Detail:
Created Date:  2011-4-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9882736     Medline TA:  Langmuir     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Biomaterials Center, National Institute for Materials Science , 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.
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