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1. Urotensin II (U-II) is a powerful vasoconstrictor peptide that stimulates cell proliferation. However, the systemic effects of U-II on cellular and extracellular matrix responses of vessel walls have not been investigated. The aim of the present study was to determine the effect of exogenous U-II on arterial neointimal hyperplasia after balloon injury.(More)
When bone marrow cells were treated with an H2-receptor agonist (4-methylhistamine 10(-8) M) before treatment with hydroxyurea (10(-3) M), the suicide rate of spleen colony-forming units (CFU-s) as a whole rose significantly. The rabbit antimouse brain serum (RAMBS)-resistant CFU-s subpopulation was also significantly elevated. Prior treatment of bone(More)
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