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A single intravascular injection of a cyclic peptide or monoclonal antibody antagonist of integrin alpha v beta 3 disrupts ongoing angiogenesis on the chick chorioallantoic membrane (CAM). This leads to the rapid regression of histologically distinct human tumors transplanted onto the CAM. Induction of angiogenesis by a tumor or cytokine promotes vascular(More)
The procoagulant activity observed in many types of tissue and cultured cells is due to tissue factor, a 30 kd transmembrane protein. The mRNA for tissue factor is a 2.2-kb species, which in some non-cancer cells can be up-regulated or induced by cytokines or by serum stimulation. In this study, induction of procoagulant activity in cancer cells was(More)
Procoagulant activity of pairs of cell lines, which were derived from the same original cell type but which possess different growth characteristics and metastatic properties, was examined. The following characteristics were considered suggestive of a greater likelihood of metastatic potential: high histological grade; establishment of the line from a(More)
CRH and its related peptides urocortins (UCN) have been identified in placenta and implicated to play pivotal roles in the regulation of pregnancy and parturition in humans. The objectives of present study were to investigate the effects of endogenous CRH and its related peptides in the regulation of steroid production in placenta. Placental trophoblasts(More)
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