Chemistry: molecular biology and microbiology – Animal cell – per se ; composition thereof; process of... – Solid support and method of culturing cells on said solid...
Patent
1999-03-08
2000-02-08
Naff, David M.
Chemistry: molecular biology and microbiology
Animal cell, per se ; composition thereof; process of...
Solid support and method of culturing cells on said solid...
424 937, 424423, 435 11, 435178, 435180, 435398, 435399, 435402, C12N 500, C12N 508, C12N 1108, A61F 200
Patent
active
060227435
ABSTRACT:
A stromal cell-based three-dimensional cell culture system is prepared which can be used to culture a variety of different cells and tissues in vitro for prolonged periods of time. The stromal cells and connective tissue proteins naturally secreted by the stromal cells attach to and substantially envelope a framework composed of a biocompatible non-living material formed into a three-dimensional structure having interstitial spaces bridged by the stromal cells. The living stromal tissue so formed provides the support, growth factors, and regulatory factors necessary to sustain long-term active proliferation of cells in culture and/or cultures implanted in vivo. When grown in this three-dimensional system, the proliferating cells mature and segregate properly to form components of adult tissues analogous to counterparts in vivo, which can be utilized in the body as a corrective tissue. For example, and not by way of limitation, the three-dimensional cultures can be used to form tubular tissue structures, like those of the gastrointestinal and genitourinary tracts, as well as blood vessels; tissues for hernia repair and/or tendons and ligaments; etc.
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Naughton Brian A.
Naughton Gail K.
Advanced Tissue Sciences Inc.
Naff David M.
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