Three-Dimensional mucosal cell and tissue culture system

Chemistry: molecular biology and microbiology – Spore forming or isolating process

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435 11, 435 29, 435 32, 4352401, 4352402, 43524023, 4352841, 424422, 424484, 424572, C12N 500, C12Q 102, A04N 102

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055189156

ABSTRACT:
The present invention relates to a three-dimensional cell culture system which can be used to culture a variety of different cells and tissues in vitro for prolonged periods of time. In accordance with the invention, cells derived from a desired tissue are inoculated and grown on a pre-established stromal support matrix. The stromal support matrix comprises stromal cells, such as fibroblasts actively growing on a three-dimensional matrix. Stromal cells may also include other cells found in loose connective tissue such as endothelial cells, macrophages/monocytes, adipocytes, pericytes, reticular cells found in bone marrow stroma, etc. The stromal matrix provides the support, growth factors, and regulatory factors necessary to sustain long-term active proliferation of cells in culture. When grown in this three-dimensional system, the proliferating cells mature and segregate properly to form components of adult tissues analogous to counterparts found in vivo.

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