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Action of cAMP on expression and release of adhesion molecules in human endothelial cells. 1996

R Morandini, and G Ghanem, and A Portier-Lemarié, and B Robaye, and A Renaud, and J M Boeynaems
Laboratory of Oncology and Experimental Surgery, Jules Bordet Institute, Université Libre de Bruxelles, Belgium.

The expression of E-selectin induced by tumor necrosis factor (TNF) on the surface of human umbilical vein endothelial cells (HUVEC) was partially inhibited by an increase in the level of adenosine 3',5'-cyclic monophosphate (cAMP), produced by forskolin or cholera toxin combined with the type IV phosphodiesterase inhibitor rolipram and the protein kinase A agonist phosphorothioate analogue of cAMP SpcAMPS. The same agents had no significant effect on the constitutive and TNF-stimulated expression of intercellular adhesion molecule 1 (ICAM-1), whereas the effect on vascular cell adhesion molecule 1 (VCAM-1) expression was variable depending on cell culture conditions. The stimulatory effects of phorbol 12-myristate 13-acetate and bacterial lipopolysaccharide (LPS) on E-selectin expression were also downregulated by the forskolin-rolipram combination and by SpcAMPS. Inhibition of the surface expression of E-selectin was associated with a decrease of the total amount of the protein in the cell lysate and a reduced mRNA level, with no significant effect on mRNA stability. In anesthetized rats, the terbutaline-rolipram combination reduced the rolling of leukocytes induced by LPS in the mesenteric microcirculation. In addition to their partial inhibitory effect on the TNF-induced surface expression of E-selectin on HUVEC, the forskolin-rolipram combination and SpcAMPS strongly inhibited the release of soluble E-selectin from these cells; the release of soluble ICAM-1 and VCAM-1 was unaffected by these agents. Isoproterenol reduced the release of soluble E-selectin, whereas it had no significant effect on the cell surface expression of the protein. This study underscores the potential anti-inflammatory effect of a rise in the endothelial cAMP level.

UI MeSH Term Description Entries
D007962 Leukocytes White blood cells. These include granular leukocytes (BASOPHILS; EOSINOPHILS; and NEUTROPHILS) as well as non-granular leukocytes (LYMPHOCYTES and MONOCYTES). Blood Cells, White,Blood Corpuscles, White,White Blood Cells,White Blood Corpuscles,Blood Cell, White,Blood Corpuscle, White,Corpuscle, White Blood,Corpuscles, White Blood,Leukocyte,White Blood Cell,White Blood Corpuscle
D010726 Phosphodiesterase Inhibitors Compounds which inhibit or antagonize the biosynthesis or actions of phosphodiesterases. Phosphodiesterase Antagonists,Phosphodiesterase Inhibitor,Phosphoric Diester Hydrolase Inhibitors,Antiphosphodiesterases,Inhibitor, Phosphodiesterase
D011760 Pyrrolidinones A group of compounds that are derivatives of oxo-pyrrolidines. A member of this group is 2-oxo pyrrolidine, which is an intermediate in the manufacture of polyvinylpyrrolidone. (From Merck Index, 11th ed) Pyrrolidinone,Pyrrolidone,Pyrrolidones
D002465 Cell Movement The movement of cells from one location to another. Distinguish from CYTOKINESIS which is the process of dividing the CYTOPLASM of a cell. Cell Migration,Locomotion, Cell,Migration, Cell,Motility, Cell,Movement, Cell,Cell Locomotion,Cell Motility,Cell Movements,Movements, Cell
D002478 Cells, Cultured Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others. Cultured Cells,Cell, Cultured,Cultured Cell
D004730 Endothelium, Vascular Single pavement layer of cells which line the luminal surface of the entire vascular system and regulate the transport of macromolecules and blood components. Capillary Endothelium,Vascular Endothelium,Capillary Endotheliums,Endothelium, Capillary,Endotheliums, Capillary,Endotheliums, Vascular,Vascular Endotheliums
D005576 Colforsin Potent activator of the adenylate cyclase system and the biosynthesis of cyclic AMP. From the plant COLEUS FORSKOHLII. Has antihypertensive, positive inotropic, platelet aggregation inhibitory, and smooth muscle relaxant activities; also lowers intraocular pressure and promotes release of hormones from the pituitary gland. Coleonol,Forskolin,N,N-Dimethyl-beta-alanine-5-(acetyloxy)-3-ethenyldodecahydro-10,10b-dihydroxy-3,4a,7,7,10a-pentamethyl-1-oxo-1H-naphtho(2,1-b)pyran-6-yl Ester HCl,NKH 477,NKH-477,NKH477
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000242 Cyclic AMP An adenine nucleotide containing one phosphate group which is esterified to both the 3'- and 5'-positions of the sugar moiety. It is a second messenger and a key intracellular regulator, functioning as a mediator of activity for a number of hormones, including epinephrine, glucagon, and ACTH. Adenosine Cyclic 3',5'-Monophosphate,Adenosine Cyclic 3,5 Monophosphate,Adenosine Cyclic Monophosphate,Adenosine Cyclic-3',5'-Monophosphate,Cyclic AMP, (R)-Isomer,Cyclic AMP, Disodium Salt,Cyclic AMP, Monoammonium Salt,Cyclic AMP, Monopotassium Salt,Cyclic AMP, Monosodium Salt,Cyclic AMP, Sodium Salt,3',5'-Monophosphate, Adenosine Cyclic,AMP, Cyclic,Adenosine Cyclic 3',5' Monophosphate,Cyclic 3',5'-Monophosphate, Adenosine,Cyclic Monophosphate, Adenosine,Cyclic-3',5'-Monophosphate, Adenosine,Monophosphate, Adenosine Cyclic
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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