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PURPOSE To compare the in vitro antiangiogenic activities of ex vivo expanded human limbocorneal epithelial (HLE) cells cultivated on preserved human amniotic membrane (AM) and to identify factors responsible for the activities. METHODS The antiangiogenic effects were compared of culture media conditioned by AM, HLE cells, or HLE cells cultivated on(More)
OBJECTIVE To determine the ability of interleukin-4 (IL-4) to inhibit the degradation of proteoglycan in bovine articular cartilage explants stimulated by human interleukin-1 (IL-1 alpha), tumor necrosis factor (TNF-alpha), a combination of TNF-alpha and IL-1 alpha, and lipopolysaccharide (LPS). METHODS 35SO4 radiolabelled bovine radiocarpal cartilage(More)
We investigated whether stromelysin activity in the medium of canine articular cartilage explants is associated with proteoglycan degradation in these explants. Cartilage explants were treated with recombinant human interleukin 1 alpha (rh-IL-1 alpha), lipopolysaccharide, or canine monocyte-conditioned medium. Proteoglycan synthesis and degradation were(More)
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