Activation of cyclic AMP-dependent protein kinase by VIP in blood mononuclear cells. 1984

J M Guerrero, and J C Prieto, and J R Calvo, and R Goberna

Vasoactive intestinal peptide stimulated cyclic AMP-dependent protein kinase activity in human blood mononuclear cells. The simultaneous presence of a phosphodiesterase inhibitor was required to elicit maximal activation. The apparent Ka value of half the maximal stimulation was about 60 pmol. Secretin exhibited a 170-times lower potency. Other peptides such as glucagon or insulin had no effect even at 1 microM.

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
D009000 Monocytes Large, phagocytic mononuclear leukocytes produced in the vertebrate BONE MARROW and released into the BLOOD; contain a large, oval or somewhat indented nucleus surrounded by voluminous cytoplasm and numerous organelles. Monocyte
D011494 Protein Kinases A family of enzymes that catalyze the conversion of ATP and a protein to ADP and a phosphoprotein. Protein Kinase,Kinase, Protein,Kinases, Protein
D004347 Drug Interactions The action of a drug that may affect the activity, metabolism, or toxicity of another drug. Drug Interaction,Interaction, Drug,Interactions, Drug
D004789 Enzyme Activation Conversion of an inactive form of an enzyme to one possessing metabolic activity. It includes 1, activation by ions (activators); 2, activation by cofactors (coenzymes); and 3, conversion of an enzyme precursor (proenzyme or zymogen) to an active enzyme. Activation, Enzyme,Activations, Enzyme,Enzyme Activations
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D014660 Vasoactive Intestinal Peptide A highly basic, 28 amino acid neuropeptide released from intestinal mucosa. It has a wide range of biological actions affecting the cardiovascular, gastrointestinal, and respiratory systems and is neuroprotective. It binds special receptors (RECEPTORS, VASOACTIVE INTESTINAL PEPTIDE). VIP (Vasoactive Intestinal Peptide),Vasoactive Intestinal Polypeptide,Vasointestinal Peptide,Intestinal Peptide, Vasoactive,Intestinal Polypeptide, Vasoactive,Peptide, Vasoactive Intestinal,Peptide, Vasointestinal,Polypeptide, Vasoactive Intestinal
D015056 1-Methyl-3-isobutylxanthine A potent cyclic nucleotide phosphodiesterase inhibitor; due to this action, the compound increases cyclic AMP and cyclic GMP in tissue and thereby activates CYCLIC NUCLEOTIDE-REGULATED PROTEIN KINASES 3-Isobutyl-1-methylxanthine,Isobutyltheophylline,IBMX,1 Methyl 3 isobutylxanthine,3 Isobutyl 1 methylxanthine
D066298 In Vitro Techniques Methods to study reactions or processes taking place in an artificial environment outside the living organism. In Vitro Test,In Vitro Testing,In Vitro Tests,In Vitro as Topic,In Vitro,In Vitro Technique,In Vitro Testings,Technique, In Vitro,Techniques, In Vitro,Test, In Vitro,Testing, In Vitro,Testings, In Vitro,Tests, In Vitro,Vitro Testing, In

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