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Generation of a Close-to-Native In Vitro System to Study Lung Cells-Extracellular Matrix Crosstalk
Z. Garlíková, AC. Silva, A. Rabata, D. Potěšil, I. Ihnatová, J. Dumková, Z. Koledová, Z. Zdráhal, V. Vinarský, A. Hampl, P. Pinto-do-Ó, DS. Nascimento,
Language English Country United States
Document type Journal Article, Research Support, Non-U.S. Gov't
Grant support
NV16-31501A
MZ0
CEP Register
Digital library NLK
Full text - Article
NLK
ProQuest Central
from 2008-03-01 to 2019-03-31
Health & Medicine (ProQuest)
from 2008-03-01 to 2019-03-31
- MeSH
- Extracellular Matrix Proteins metabolism MeSH
- Extracellular Matrix physiology MeSH
- Fibroblasts cytology metabolism MeSH
- Cells, Cultured MeSH
- Mice, Inbred C57BL MeSH
- Mice, Inbred ICR MeSH
- Mice MeSH
- Lung cytology metabolism MeSH
- Proteomics MeSH
- In Vitro Techniques MeSH
- Tissue Engineering methods MeSH
- Tissue Scaffolds MeSH
- Animals MeSH
- Check Tag
- Mice MeSH
- Animals MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
Extracellular matrix (ECM) is an essential component of the tissue microenvironment, actively shaping cellular behavior. In vitro culture systems are often poor in ECM constituents, thus not allowing for naturally occurring cell-ECM interactions. This study reports on a straightforward and efficient method for the generation of ECM scaffolds from lung tissue and its subsequent in vitro application using primary lung cells. Mouse lung tissue was subjected to decellularization with 0.2% sodium dodecyl sulfate, hypotonic solutions, and DNase. Resultant ECM scaffolds were devoid of cells and DNA, whereas lung ECM architecture of alveolar region and blood and airway networks were preserved. Scaffolds were predominantly composed of core ECM and ECM-associated proteins such as collagens I-IV, nephronectin, heparan sulfate proteoglycan core protein, and lysyl oxidase homolog 1, among others. When homogenized and applied as coating substrate, ECM supported the attachment of lung fibroblasts (LFs) in a dose-dependent manner. After ECM characterization and biocompatibility tests, a novel in vitro platform for three-dimensional (3D) matrix repopulation that permits live imaging of cell-ECM interactions was established. Using this system, LFs colonized the ECM scaffolds, displaying a close-to-native morphology in intimate interaction with the ECM fibers, and showed nuclear translocation of the mechanosensor yes-associated protein (YAP), when compared with cells cultured in two dimensions. In conclusion, we developed a 3D-like culture system, by combining an efficient decellularization method with a live-imaging culture platform, to replicate in vitro native lung cell-ECM crosstalk. This is a valuable system that can be easily applied to other organs for ECM-related drug screening, disease modeling, and basic mechanistic studies.
References provided by Crossref.org
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- $a Garlíková, Zuzana $u 1 Department of Histology and Embryology, Faculty of Medicine, Masaryk University , Brno, Czech Republic . 2 FNUSA-ICRC-International Clinical Research Center of St. Anne University Hospital Brno , Brno, Czech Republic .
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