Rijal G, Wang J, Yu I, Gang DR, Chen RK, Li W. Porcine Breast Extracellular Matrix Hydrogel for Spatial Tissue Culture.
Int J Mol Sci 2018;
19:ijms19102912. [PMID:
30257480 PMCID:
PMC6213433 DOI:
10.3390/ijms19102912]
[Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2018] [Revised: 09/22/2018] [Accepted: 09/22/2018] [Indexed: 02/07/2023] Open
Abstract
Porcine mammary fatty tissues represent an abundant source of natural biomaterial for generation of breast-specific extracellular matrix (ECM). Here we report the extraction of total ECM proteins from pig breast fatty tissues, the fabrication of hydrogel and porous scaffolds from the extracted ECM proteins, the structural properties of the scaffolds (tissue matrix scaffold, TMS), and the applications of the hydrogel in human mammary epithelial cell spatial cultures for cell surface receptor expression, metabolomics characterization, acini formation, proliferation, migration between different scaffolding compartments, and in vivo tumor formation. This model system provides an additional option for studying human breast diseases such as breast cancer.
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