Advanced Tissue Sciences Inc. said Monday that it has signed ajoint development and exclusive supply agreement withMedisorb Technologies International L.P. Under the theagreement, Medisorb of Cincinnati will develop customizedsynthetic, bioabsorbable mesh for ATS's therapeutic tissueproducts. The mesh will consist of woven strands that will actas a biodegradable framework for growing skin, cartilage, oralmucosa, bone marrow and liver tissue. Shares of La Jolla, Calif.-based ATS (NASDAQ:ATISA) rose $1 to $18.75 on Monday.

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