期刊
AICHE JOURNAL
卷 65, 期 12, 页码 -出版社
WILEY
DOI: 10.1002/aic.16837
关键词
fibroblasts; fibrosis; hydrogels; multidimensional controlled cell culture; synthetic extracellular matrices
资金
- National Institute of General Medical Sciences [P20GM104316, P30GM110758]
- National Science Foundation Career Award [DMR-1253906]
- Pew Charitable Trusts [0026178]
Many cell behaviors are significantly affected by cell culture geometry, though it remains unclear which geometry from two- to three-dimensional (2D-3D) culture is appropriate for probing a specific cell function and mimicking native microenvironments. Toward addressing this, we established a 2.5D culture geometry, enabling initial cell spreading while reducing polarization to bridge between 2D and 3D geometries, and examined the responses of wound healing cells, human pulmonary fibroblasts, within it. To achieve this, we used engineered biomimetic hydrogels formed by photopolymerization, creating robust layered hydrogels with spread fibroblasts at the interface. We found that fibroblast responses were similar between 2D and 2.5D culture and different from 3D culture, with some underlying differences in mechanotransduction. These studies established the 2.5D cell culture geometry in conjunction with biomimetic synthetic matrices as a useful tool for investigations of fibroblast activation with relevance to the study of other cell functions and types.
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