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Effects of bone marrow stimulatory cytokines on human immunodeficiency virus replication and the antiviral activity of dideoxynucleosides in cultures of monocyte/macrophages. 1992

C F Perno, and D A Cooney, and W Y Gao, and Z Hao, and D G Johns, and A Foli, and N R Hartman, and R Caliò, and S Broder, and R Yarchoan
Medicine Branch, National Cancer Institute, Bethesda, MD 20892.

Cells of the monocyte lineage are important targets for the replication of human immunodeficiency virus (HIV). Our group and others have previously shown that granulocyte-macrophage colony-stimulating factor (GM-CSF) stimulates HIV replication in monocyte/macrophages, but that it also enhances the anti-HIV activity of 2',3'-dideoxy-3'-azidothymidine (AZT). In the present study, we have explored the effects of other bone marrow stimulatory cytokines on the replication of HIV and on the anti-HIV activity of certain dideoxynucleosides in human peripheral blood monocyte/macrophages (M/M). Like GM-CSF, macrophage CSF (M-CSF) enhanced HIV replication in M/M. In contrast, granulocyte CSF (G-CSF) and erythropoietin (Epo) had no such effects. The anti-HIV activity of zidovudine (AZT) was increased in M/M exposed to GM-CSF. In contrast, the anti-HIV activity of AZT was unchanged in M/M exposed to M-CSF, and the activities of 2',3'-dideoxycytidine (ddC) and 2',3'-dideoxyinosine (ddl) were unchanged or slightly diminished in M/M stimulated with GM-CSF or M-CSF. These differential activities of AZT and ddC were paralleled by differential effects of the cytokines on the anabolism of these drugs to their active 5'-triphosphate moieties. GM-CSF increased the levels of AZT-5'-triphosphate (at least in part through an increase in thymidine kinase activity) and overall induced an increase in the ratio of AZT-5'-triphosphate/thymidine-5'-triphosphate. In contrast, M-CSF-induced increases in AZT-5'-triphosphate were roughly matched by increases in thymidine-5'-triphosphate. Also, GM-CSF- or M-CSF-induced increases in the levels of ddC-5'-triphosphate were associated with parallel increases in the levels of deoxycytidine-5'-triphosphate (the physiologic nucleoside that competes at the level of reverse transcriptase), so that there was relatively little net change in the ddC-5'-triphosphate/deoxycytidine-5'-triphosphate ratio. Thus, bone marrow stimulatory cytokines may have a variety of effects on HIV replication and on the activity and metabolism of dideoxynucleosides in M/M.

UI MeSH Term Description Entries
D008264 Macrophages The relatively long-lived phagocytic cell of mammalian tissues that are derived from blood MONOCYTES. Main types are PERITONEAL MACROPHAGES; ALVEOLAR MACROPHAGES; HISTIOCYTES; KUPFFER CELLS of the liver; and OSTEOCLASTS. They may further differentiate within chronic inflammatory lesions to EPITHELIOID CELLS or may fuse to form FOREIGN BODY GIANT CELLS or LANGHANS GIANT CELLS. (from The Dictionary of Cell Biology, Lackie and Dow, 3rd ed.) Bone Marrow-Derived Macrophages,Monocyte-Derived Macrophages,Macrophage,Macrophages, Monocyte-Derived,Bone Marrow Derived Macrophages,Bone Marrow-Derived Macrophage,Macrophage, Bone Marrow-Derived,Macrophage, Monocyte-Derived,Macrophages, Bone Marrow-Derived,Macrophages, Monocyte Derived,Monocyte Derived Macrophages,Monocyte-Derived Macrophage
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
D001853 Bone Marrow The soft tissue filling the cavities of bones. Bone marrow exists in two types, yellow and red. Yellow marrow is found in the large cavities of large bones and consists mostly of fat cells and a few primitive blood cells. Red marrow is a hematopoietic tissue and is the site of production of erythrocytes and granular leukocytes. Bone marrow is made up of a framework of connective tissue containing branching fibers with the frame being filled with marrow cells. Marrow,Red Marrow,Yellow Marrow,Marrow, Bone,Marrow, Red,Marrow, Yellow
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
D004921 Erythropoietin Glycoprotein hormone, secreted chiefly by the KIDNEY in the adult and the LIVER in the FETUS, that acts on erythroid stem cells of the BONE MARROW to stimulate proliferation and differentiation.
D006678 HIV Human immunodeficiency virus. A non-taxonomic and historical term referring to any of two species, specifically HIV-1 and/or HIV-2. Prior to 1986, this was called human T-lymphotropic virus type III/lymphadenopathy-associated virus (HTLV-III/LAV). From 1986-1990, it was an official species called HIV. Since 1991, HIV was no longer considered an official species name; the two species were designated HIV-1 and HIV-2. AIDS Virus,HTLV-III,Human Immunodeficiency Viruses,Human T-Cell Lymphotropic Virus Type III,Human T-Lymphotropic Virus Type III,LAV-HTLV-III,Lymphadenopathy-Associated Virus,Acquired Immune Deficiency Syndrome Virus,Acquired Immunodeficiency Syndrome Virus,Human Immunodeficiency Virus,Human T Cell Lymphotropic Virus Type III,Human T Lymphotropic Virus Type III,Human T-Cell Leukemia Virus Type III,Immunodeficiency Virus, Human,Immunodeficiency Viruses, Human,Virus, Human Immunodeficiency,Viruses, Human Immunodeficiency,AIDS Viruses,Human T Cell Leukemia Virus Type III,Lymphadenopathy Associated Virus,Lymphadenopathy-Associated Viruses,Virus, AIDS,Virus, Lymphadenopathy-Associated,Viruses, AIDS,Viruses, Lymphadenopathy-Associated
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000998 Antiviral Agents Agents used in the prophylaxis or therapy of VIRUS DISEASES. Some of the ways they may act include preventing viral replication by inhibiting viral DNA polymerase; binding to specific cell-surface receptors and inhibiting viral penetration or uncoating; inhibiting viral protein synthesis; or blocking late stages of virus assembly. Antiviral,Antiviral Agent,Antiviral Drug,Antivirals,Antiviral Drugs,Agent, Antiviral,Agents, Antiviral,Drug, Antiviral,Drugs, Antiviral
D014779 Virus Replication The process of intracellular viral multiplication, consisting of the synthesis of PROTEINS; NUCLEIC ACIDS; and sometimes LIPIDS, and their assembly into a new infectious particle. Viral Replication,Replication, Viral,Replication, Virus,Replications, Viral,Replications, Virus,Viral Replications,Virus Replications
D015215 Zidovudine A dideoxynucleoside compound in which the 3'-hydroxy group on the sugar moiety has been replaced by an azido group. This modification prevents the formation of phosphodiester linkages which are needed for the completion of nucleic acid chains. The compound is a potent inhibitor of HIV replication, acting as a chain-terminator of viral DNA during reverse transcription. It improves immunologic function, partially reverses the HIV-induced neurological dysfunction, and improves certain other clinical abnormalities associated with AIDS. Its principal toxic effect is dose-dependent suppression of bone marrow, resulting in anemia and leukopenia. AZT (Antiviral),Azidothymidine,3'-Azido-2',3'-Dideoxythymidine,3'-Azido-3'-deoxythymidine,AZT Antiviral,AZT, Antiviral,BW A509U,BWA-509U,Retrovir,3' Azido 2',3' Dideoxythymidine,3' Azido 3' deoxythymidine,Antiviral AZT,BWA 509U,BWA509U

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