Cultured human endothelial cells treated with recombinant leukocyte A interferon. Tubuloreticular inclusion formation, antiproliferative effect, and 2',5' oligoadenylate synthetase induction. 1988

D Feldman, and A L Goldstein, and D C Cox, and P M Grimley
Department of Pharmacology and Chemotherapy, Hoffmann-La Roche Inc., Nutley, New Jersey.

Cultured human umbilical vein endothelial cells and human thoracic aorta endothelial cells were treated with 500, 1,000, and 2,000 IU/ml of recombinant leukocyte alpha-interferon for 2, 4, and 7 days. Tubuloreticular inclusions developed in treated human umbilical vein endothelial cells and human thoracic aorta endothelial cells. The size and number of tubuloreticular inclusions observed correlated with the dose and duration of treatment. Interferon treatment inhibited the rate of proliferation of both human umbilical vein endothelial cells and human thoracic aorta endothelial cells in a dose- and duration-dependent manner. Induction of the interferon-associated enzyme, 2'-5' oligoadenylate synthetase, also occurred. Since the endothelium is exposed to endogenous interferon present in certain pathologic conditions and to exogenous interferon administered in the treatment of several neoplastic or viral diseases, there is an increased need to understand the various effects of interferon on the endothelial cell.

UI MeSH Term Description Entries
D007370 Interferon Type I Interferon secreted by leukocytes, fibroblasts, or lymphoblasts in response to viruses or interferon inducers other than mitogens, antigens, or allo-antigens. They include alpha- and beta-interferons (INTERFERON-ALPHA and INTERFERON-BETA). Interferons Type I,Type I Interferon,Type I Interferons,Interferon, Type I,Interferons, Type I
D011994 Recombinant Proteins Proteins prepared by recombinant DNA technology. Biosynthetic Protein,Biosynthetic Proteins,DNA Recombinant Proteins,Recombinant Protein,Proteins, Biosynthetic,Proteins, Recombinant DNA,DNA Proteins, Recombinant,Protein, Biosynthetic,Protein, Recombinant,Proteins, DNA Recombinant,Proteins, Recombinant,Recombinant DNA Proteins,Recombinant Proteins, DNA
D002455 Cell Division The fission of a CELL. It includes CYTOKINESIS, when the CYTOPLASM of a cell is divided, and CELL NUCLEUS DIVISION. M Phase,Cell Division Phase,Cell Divisions,Division Phase, Cell,Division, Cell,Divisions, Cell,M Phases,Phase, Cell Division,Phase, M,Phases, M
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
D002479 Inclusion Bodies A generic term for any circumscribed mass of foreign (e.g., lead or viruses) or metabolically inactive materials (e.g., ceroid or MALLORY BODIES), within the cytoplasm or nucleus of a cell. Inclusion bodies are in cells infected with certain filtrable viruses, observed especially in nerve, epithelial, or endothelial cells. (Stedman, 25th ed) Cellular Inclusions,Cytoplasmic Inclusions,Bodies, Inclusion,Body, Inclusion,Cellular Inclusion,Cytoplasmic Inclusion,Inclusion Body,Inclusion, Cellular,Inclusion, Cytoplasmic,Inclusions, Cellular,Inclusions, Cytoplasmic
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
D004790 Enzyme Induction An increase in the rate of synthesis of an enzyme due to the presence of an inducer which acts to derepress the gene responsible for enzyme synthesis. Induction, Enzyme
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D015088 2',5'-Oligoadenylate Synthetase An enzyme that catalyzes the conversion of ATP into a series of (2'-5') linked oligoadenylates and pyrophosphate in the presence of double-stranded RNA. These oligonucleotides activate an endoribonuclease (RNase L) which cleaves single-stranded RNA. Interferons can act as inducers of these reactions. 2',5'-Oligoadenylate Polymerase,2-5A Synthetase,(2'-5')An Polymerase,2',5'-Oligo(A) Polymerase,2',5'-Oligo(A) Synthetase,2,5 Oligoadenylate Polymerase,2,5 Oligoadenylate Synthetase,ATP-(2'-5')oligo(A)adenylyltransferase,2',5' Oligoadenylate Polymerase,2',5' Oligoadenylate Synthetase,Oligoadenylate Polymerase, 2,5,Oligoadenylate Synthetase, 2,5,Polymerase, 2',5'-Oligoadenylate,Polymerase, 2,5 Oligoadenylate,Synthetase, 2',5'-Oligoadenylate,Synthetase, 2,5 Oligoadenylate

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