Biological Tissue Sheet, Method Of Forming The Same And Transplantation Method By Using The Sheet
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United States of America Patent
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Issued Date -
Feb 14, 2008
app pub date -
Feb 16, 2005
filing date -
Mar 11, 2004
priority date (Note) -
Abandoned
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Abstract
A biological tissue sheet which is expected as exerting a favorable therapeutic effect and a high safety in transplantation. The biological tissue sheet formed by (a) preparing in vivo-derived cells; (b) sowing the in vivo-derived cells on amniotic membrane; and (c) culturing and proliferating the in vivo-derived cells in the absence of any xenogeneic animal cells. As the cells of a biological origin, for example, cells originating in corneal epithelium, conjunctival epithelium, skin epidermis, hair follicle epithelium, oral mucosa, respiratory tract mucosa, or intestinal tract mucosa.
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