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Regulation of chain elongation by RNA polymerase II can have an important effect on gene expression (Bentley, D. (1995) Curr. Opin. Genet. Dev. 5, 210-216; Yankulov, K., Blau, J., Purton, T.,(More)
Endothelin-1 (ET-1) is a peptide hormone with potent vasoconstrictor properties which is synthesized and secreted predominantly by vascular endothelial cells. Its production is regulated by numerous(More)
Treatment of yolk-sac membranes of 4-day-old chick embryos with spermine or spermidine resulted in angiogenesis in the membranes. The angiogenic activity of spermine was stronger than that of(More)