Genomes and Genes
Gene Symbol: HLA-DQB2
Description: major histocompatibility complex, class II, DQ beta 2
Alias: HLA-DQB1, HLA-DXB, DV19.1 (major histocompatibility complex, class II, DQ beta 2 (HLA-DXB)), HLA class II histocompatibility antigen, DQ beta 2 chain, HLA class II histocompatibility antigen, DX beta chain, MHC class II antigen DQB2, major histocompatibility complex, class II, DQ beta 1
- Interaction of CD4 with HLA class II antigens and HIV gp120D Piatier-Tonneau
Institut d Embryologie Cellulaire et Moleculaire, CNRS, College de France, Nogent sur Marne
Immunogenetics 34:121-8. 1991....
- HIV-1 envelope protein is expressed on the surface of infected cells before its processing and presentation to class II-restricted T lymphocytesK M Callahan
Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205
J Immunol 151:2928-42. 1993..These results provide the first direct evidence that endogenously synthesized membrane proteins enter the class II-restricted Ag-processing pathway after expression on the cell surface in an intact form...
- Evolutionary dynamics of non-coding sequences within the class II region of the human MHCS Beck
DNA Sequencing Laboratory, Imperial Cancer Research Fund, London, England
J Mol Biol 255:1-13. 1996..We also report the finding of a class I-related pseudogene (HLA-ZI) in the middle of the class II region, which provides the first direct evidence for DNA exchange between these two related regions in man...
- The enhanced immune response to the HIV gp160/LAMP chimeric gene product targeted to the lysosome membrane protein trafficking pathwayA L Ruff
Department of Pharmacology and Molecular Sciences, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA
J Biol Chem 272:8671-8. 1997....
- Tat competes with CIITA for the binding to P-TEFb and blocks the expression of MHC class II genes in HIV infectionS Kanazawa
Howard Hughes Medical Institute, Department of Medicine, University of California, San Francisco 94143, USA
Immunity 12:61-70. 2000..Moreover, a dominant-negative CDK9 protein inhibits the activity of MHC II promoters. Thus, CIITA is a novel cellular coactivator that binds to P-TEFb for the expression of its target genes...
- Efficient incorporation of HLA class II onto human immunodeficiency virus type 1 requires envelope glycoprotein packagingD T Poon
AIDS Vaccine Program, SAIC Frederick, National Cancer Institute, Frederick Cancer Research and Development Center, Frederick, Maryland 21702 1201, USA
J Virol 74:3918-23. 2000..These data show that HIV-1 actively incorporates HLA class II proteins in a process that, either directly or indirectly, requires Env...
- Reciprocal modulation of transcriptional activities between HIV-1 Tat and MHC class II transactivator CIITAH Okamoto
Department of Molecular Genetics, Nagoya City University Medical School, 1 Kawasumi, Mizuho cho, Mizuho ku, Nagoya, Aichi, 467 8601, Japan
Biochem Biophys Res Commun 279:494-9. 2000..These reciprocal actions between Tat and CIITA not only explains the functional impairment of APC in HIV-1 infection but also rationalizes the suppression of HIV-1 virus load by induction of CIITA such as IFN-gamma...
- Absence of in vivo DNA-protein interactions in the DQA2 and DQB2 promoter regionsP Indovina
Dipartimento di Medicina Sperimentale e Patologia, Universita La Sapienza, Rome, Italy
Hum Immunol 62:504-8. 2001..These findings suggest that the very low level of DQA2 expression and the apparent lack of DQB2 activity are caused by the reduced binding affinity of specific transcription factors...
- HIV-1 gp120 modulates the immunological function and expression of accessory and co-stimulatory molecules of monocyte-derived dendritic cellsMarc A Williams
Division of Pediatric Infectious Diseases, University of California at San Diego, The School of Medicine, La Jolla 92093, USA
J Hematother Stem Cell Res 11:829-47. 2002..Consequently, HIV-1 gp120 may actively contribute to the immunopathogenesis of AIDS...
- Analysis of single-nucleotide polymorphisms in Japanese rheumatoid arthritis patients shows additional susceptibility markers besides the classic shared epitope susceptibility sequencesYuta Kochi
University of Tokyo, Tokyo, Japan
Arthritis Rheum 50:63-71. 2004..To examine the entire HLA region for loci (other than the DRB1 locus) associated with rheumatoid arthritis (RA) susceptibility, by typing HLA-DRB1 alleles and multiple single-nucleotide polymorphisms (SNPs) in the Japanese population...
- HLA-E gene polymorphism associated with susceptibility to Kawasaki disease and formation of coronary artery aneurysmsY J Lin
China Medical University Hospital, China Medical University, and Asia University, Taichung, Taiwan
Arthritis Rheum 60:604-10. 2009..The purpose of this study was to identify possible genetic variants in the major histocompatibility complex (MHC) region that are associated with KD and the development of coronary artery aneurysms (CAAs) in a Taiwanese population...
- Differences in self-peptide binding between T1D-related susceptible and protective DR4 subtypesXinhui Ge
Benaroya Research Institute at Virginia Mason, Seattle, WA 98101, USA
J Autoimmun 36:155-60. 2011..The enhanced peptide competition of DR0403 leads to a down-modulation of DQ8 epitope presentation, as compared to weak competitors such as DR0401 and DR0405, and therefore contributes to disease protection...
- Envelope glycoproteins of HIV-1 interfere with T-cell-dependent B cell differentiation: role of CD4-MHC class II interaction in the effector phase of T cell helpN Chirmule
Department of Pediatrics, North Shore University Hospital, Cornell University Medical College, Manhasset, New York 11030
Cell Immunol 155:169-82. 1994..Furthermore, these latter reactions occur subsequent to T-B cell contact-dependent interactions at the effector phase, which involve MHC class II molecules on B cells and CD4 molecules on T cells...
- HIV-1 gp41 binding proteins and antibodies to gp41 could inhibit enhancement of human Raji cell MHC class I and II expression by gp41Y H Chen
Ludwig Boltzmann Institute of AIDS Research, Innsbruck, Austria
Mol Immunol 31:977-82. 1994....
- HIV-gp120 can block CD4-class II MHC-mediated adhesionY Rosenstein
Division of Pediatric Oncology, Dana Farber Cancer Institute, Boston, MA
J Immunol 144:526-31. 1990..These data indicate that T lymphocyte adhesion mediated by CD4 is a dynamic event and that binding of gp120 to CD4 is able to disrupt the normal progression of the interaction between CD4+ T lymphocytes and class II+ APC...
- Identification and structural analysis of residues in the V1 region of CD4 involved in interaction with human immunodeficiency virus envelope glycoprotein gp120 and class II major histocompatibility complex moleculesM R Bowman
Division of Pediatric Oncology, Dana Farber Cancer Institute, Boston, MA 02115
Proc Natl Acad Sci U S A 87:9052-6. 1990..These observations are consistent with a three-dimensional model of the V1 domain of CD4 that was developed in order to understand the structural basis for binding to CD4...
- Identification of human CD4 residues affecting class II MHC versus HIV-1 gp120 bindingL K Clayton
Laboratory of Immunobiology, Dana Farber Cancer Institute, Boston, Massachusetts
Nature 339:548-51. 1989....
- Remarkable sequence conservation of the HLA-DQB2 locus (DX beta) within the highly polymorphic DQ subregion of the human MHCJ Berdoz
Department of Microbiology, University of Geneva Medical School, Switzerland
Immunogenetics 29:241-8. 1989..The latter would imply that the HLA-DQ2 genes are expressed into a protein product endowed with essential functional properties...
- Inhibition of CD4+ T cell function by the HIV envelope protein, gp120D C Diamond
Division of Pediatric Oncology, Dana Farber Cancer Institute, Boston, MA 02115
J Immunol 141:3715-7. 1988..Using a murine T cell hybridoma which expresses the human CD4 protein and exhibits a CD4-dependent response to Ag, we demonstrate that the HIV envelope protein gp120 can specifically inhibit this response...
- Class II genes of the human major histocompatibility complex. Comparisons of the DQ and DX alpha and beta genesA K Jonsson
J Biol Chem 262:8767-77. 1987..Comparison of the number of nucleotide substitutions in the DQ beta first and second domain exons suggests that little or no phenotypic selection acts on the first domain whereas the second domain is under strong selection...
- AIDS and related syndromes as a viral-induced autoimmune disease of the immune system: an anti-MHC II disorder. Therapeutic implicationsJ M Andrieu
AIDS Res 2:163-74. 1986
- HLA class II antigens and the HIV envelope glycoprotein gp120 bind to the same face of CD4R Houlgatte
Unité de Génétique Moléculaire et de Biologie du Développement UPR 420, Centre National de la Recherche Scientifique, Villejuif, France
J Immunol 152:4475-88. 1994..Thus, CD4 appears to interact with HLA class II molecules mainly through the HIV gp120 binding site and possibly through a second minor interaction site mapping on the same face of the molecule...
- HIV gp120 inhibits T cell activation by interfering with expression of costimulatory molecules CD40 ligand and CD80 (B71)N Chirmule
Department of Pediatrics, North Shore University Hospital Cornell University Medical College, Manhasset, NY 11030, USA
J Immunol 155:917-24. 1995....
- Endocytosis of endogenously synthesized HIV-1 envelope protein. Mechanism and role in processing for association with class II MHCJ F Rowell
Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
J Immunol 155:473-88. 1995....
- Differential genetic associations for systemic lupus erythematosus based on anti-dsDNA autoantibody productionSharon A Chung
Rosalind Russell Medical Research Center for Arthritis, Department of Medicine, University of California San Francisco, United States of America
PLoS Genet 7:e1001323. 2011..Lack of strong SNP associations may suggest that other types of genetic variation or non-genetic factors such as environmental exposures have a greater impact on susceptibility to anti-dsDNA - SLE...