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  • Title: [Effects of substance P and its fragments on microhemodynamics in animal experiments].
    Author: Shinkarenko VS, Kostromina EIu, Odar'iuk Iu.
    Journal: Biull Eksp Biol Med; 1990 Feb; 109(2):113-5. PubMed ID: 1692486.
    Abstract:
    Action of the synthetic substance P (SP1-11) and its modified fragment (MSP1-4) on microhemodynamics was investigated in experiments. Significant hypotensive effect and reduction of blood flow velocity in rat mesenteric microvessels were produced by both substances, no changes of microvessels diameter were observed. Effective concentrations of the SP1-11 and MSP1-4 were revealed, being 10(-6) M and 10(-4) M, respectively. Organ specificity of substance P vascular effects is suggested.
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