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  1. No Access

    Article

    PAF-Stimulated Protein Tyrosine Phosphorylation in Hippocampus: Involvement of NO Synthase

    The effect of platelet-activating factor (PAF) on protein tyrosine phosphorylation was studied in rat hippocampal slices. PAF caused an increase in the tyrosine phosphorylation of two phosphoproteins, which we...

    M. C. Calcerrada, R. E. Catalán, A. M. Martínez in Neurochemical Research (2002)

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    Article

    Further studies on the mechanism of action of substance P in rat brain, involving selective phosphatidylinositol hydrolysis

    We have suggested that substance P, in cerebral cortex, causes a phosphatidylinositol (PI) breakdown by a dual mechanism suggesting the involvement of either phospholipase A2 or phospholipase C. We have presently...

    Dr. R. E. Catalán, A. M. Martínez, M. D. Aragonés, F. Hernández… in Neurochemical Research (1995)

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    Article

    Properties of γ-glutamyltranspeptidase, and glutathione levels in rat mammary gland

    γ-Glutamyltranspeptidase activity and glutathione levels were studied in rat mammary gland during the lactogenic cycle; both increased during mid-lactation. The enzyme's specific activity with several amino ac...

    J. Puente, A. M. Martínez, G. Beckhaus, M. Sapag-Hagar in Experientia (1981)