Macrophage tropism of human immunodeficiency virus type 1 facilitates in vivo escape from cytotoxic T-lymphocyte pressure. 2001

M Schutten, and C A van Baalen, and C Guillon, and R C Huisman, and P H Boers, and K Sintnicolaas, and R A Gruters, and A D Osterhaus
Institute of Virology, University Hospital Rotterdam, 3015 GE Rotterdam, The Netherlands.

Early after seroconversion, macrophage-tropic human immunodeficiency virus type 1 (HIV-1) variants are predominantly found, even when a mixture of macrophage-tropic and non-macrophage-tropic variants was transmitted. For virus contracted by sexual transmission, this is presently explained by selection at the port of entry, where macrophages are infected and T cells are relatively rare. Here we explore an additional mechanism to explain the selection of macrophage-tropic variants in cases where the mucosa is bypassed during transmission, such as blood transfusion, needle-stick accidents, or intravenous drug abuse. With molecularly cloned primary isolates of HIV-1 in irradiated mice that had been reconstituted with a high dose of human peripheral blood mononuclear cells, we found that a macrophage-tropic HIV-1 clone escaped more efficiently from specific cytotoxic T-lymphocyte (CTL) pressure than its non-macrophage-tropic counterpart. We propose that CTLs favor the selective outgrowth of macrophage-tropic HIV-1 variants because infected macrophages are less susceptible to CTL activity than infected T cells.

UI MeSH Term Description Entries
D007963 Leukocytes, Mononuclear Mature LYMPHOCYTES and MONOCYTES transported by the blood to the body's extravascular space. They are morphologically distinguishable from mature granulocytic leukocytes by their large, non-lobed nuclei and lack of coarse, heavily stained cytoplasmic granules. Mononuclear Leukocyte,Mononuclear Leukocytes,PBMC Peripheral Blood Mononuclear Cells,Peripheral Blood Human Mononuclear Cells,Peripheral Blood Mononuclear Cell,Peripheral Blood Mononuclear Cells,Leukocyte, Mononuclear
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
D008808 Mice, Inbred CBA An inbred strain of mouse that is widely used in BIOMEDICAL RESEARCH. Mice, CBA,Mouse, CBA,Mouse, Inbred CBA,CBA Mice,CBA Mice, Inbred,CBA Mouse,CBA Mouse, Inbred,Inbred CBA Mice,Inbred CBA Mouse
D009154 Mutation Any detectable and heritable change in the genetic material that causes a change in the GENOTYPE and which is transmitted to daughter cells and to succeeding generations. Mutations
D004195 Disease Models, Animal Naturally-occurring or experimentally-induced animal diseases with pathological processes analogous to human diseases. Animal Disease Model,Animal Disease Models,Disease Model, Animal
D006086 Graft vs Host Disease The clinical entity characterized by anorexia, diarrhea, loss of hair, leukopenia, thrombocytopenia, growth retardation, and eventual death brought about by the GRAFT VS HOST REACTION. Graft-Versus-Host Disease,Homologous Wasting Disease,Runt Disease,Graft-vs-Host Disease,Disease, Graft-Versus-Host,Disease, Graft-vs-Host,Disease, Homologous Wasting,Disease, Runt,Diseases, Graft-Versus-Host,Diseases, Graft-vs-Host,Graft Versus Host Disease,Graft-Versus-Host Diseases,Graft-vs-Host Diseases
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
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
D013602 T-Lymphocytes, Cytotoxic Immunized T-lymphocytes which can directly destroy appropriate target cells. These cytotoxic lymphocytes may be generated in vitro in mixed lymphocyte cultures (MLC), in vivo during a graft-versus-host (GVH) reaction, or after immunization with an allograft, tumor cell or virally transformed or chemically modified target cell. The lytic phenomenon is sometimes referred to as cell-mediated lympholysis (CML). These CD8-positive cells are distinct from NATURAL KILLER CELLS and NATURAL KILLER T-CELLS. There are two effector phenotypes: TC1 and TC2. Cell-Mediated Lympholytic Cells,Cytotoxic T Cells,Cytotoxic T Lymphocyte,Cytotoxic T-Lymphocytes,TC1 Cell,TC1 Cells,TC2 Cell,TC2 Cells,Cell Mediated Lympholytic Cells,Cell, Cell-Mediated Lympholytic,Cell, TC1,Cell, TC2,Cell-Mediated Lympholytic Cell,Cytotoxic T Cell,Cytotoxic T Lymphocytes,Cytotoxic T-Lymphocyte,Lymphocyte, Cytotoxic T,Lympholytic Cell, Cell-Mediated,Lympholytic Cells, Cell-Mediated,T Cell, Cytotoxic,T Lymphocyte, Cytotoxic,T Lymphocytes, Cytotoxic,T-Lymphocyte, Cytotoxic
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

Related Publications

M Schutten, and C A van Baalen, and C Guillon, and R C Huisman, and P H Boers, and K Sintnicolaas, and R A Gruters, and A D Osterhaus
April 1992, Journal of virology,
M Schutten, and C A van Baalen, and C Guillon, and R C Huisman, and P H Boers, and K Sintnicolaas, and R A Gruters, and A D Osterhaus
November 2007, Journal of virology,
M Schutten, and C A van Baalen, and C Guillon, and R C Huisman, and P H Boers, and K Sintnicolaas, and R A Gruters, and A D Osterhaus
November 2004, The Journal of experimental medicine,
M Schutten, and C A van Baalen, and C Guillon, and R C Huisman, and P H Boers, and K Sintnicolaas, and R A Gruters, and A D Osterhaus
September 2005, Journal of virology,
M Schutten, and C A van Baalen, and C Guillon, and R C Huisman, and P H Boers, and K Sintnicolaas, and R A Gruters, and A D Osterhaus
January 2000, Stem cells (Dayton, Ohio),
M Schutten, and C A van Baalen, and C Guillon, and R C Huisman, and P H Boers, and K Sintnicolaas, and R A Gruters, and A D Osterhaus
February 2004, Journal of virology,
M Schutten, and C A van Baalen, and C Guillon, and R C Huisman, and P H Boers, and K Sintnicolaas, and R A Gruters, and A D Osterhaus
October 2005, Journal of virology,
M Schutten, and C A van Baalen, and C Guillon, and R C Huisman, and P H Boers, and K Sintnicolaas, and R A Gruters, and A D Osterhaus
November 2005, Journal of virology,
M Schutten, and C A van Baalen, and C Guillon, and R C Huisman, and P H Boers, and K Sintnicolaas, and R A Gruters, and A D Osterhaus
November 2010, PLoS computational biology,
M Schutten, and C A van Baalen, and C Guillon, and R C Huisman, and P H Boers, and K Sintnicolaas, and R A Gruters, and A D Osterhaus
November 2007, Journal of virology,
Copied contents to your clipboard!