[PDF] Top 20 The HIV 1 accessory proteins Nef and Vpu downregulate total and cell surface CD28 in CD4+ T cells
Has 10000 "The HIV 1 accessory proteins Nef and Vpu downregulate total and cell surface CD28 in CD4+ T cells" found on our website. Below are the top 20 most common "The HIV 1 accessory proteins Nef and Vpu downregulate total and cell surface CD28 in CD4+ T cells".
The HIV 1 accessory proteins Nef and Vpu downregulate total and cell surface CD28 in CD4+ T cells
... that Nef and Vpu decrease cell surface and total cellular CD28 levels within infected CD4 + T ...in total CD28 using inhibitors of the cellular ... See full document
22
HIV Nef and Vpu protect HIV infected CD4+ T cells from antibody mediated cell lysis through down modulation of CD4 and BST2
... on HIV-1 gp120 that are recognized by ADCC-mediating Abs such as A32 ...targeting CD4-exposed epitopes could contribute to the overall HIV-induced ADCC response, but also how the virus might ... See full document
17
HIV-1 Nef and Vpu Interfere with L-Selectin (CD62L) Cell Surface Expression To Inhibit Adhesion and Signaling in Infected CD4+ T Lymphocytes
... the HIV-1 ability to inhibit CD62L ex- pression and function could be highly relevant in ...on CD4 ⫹ T lymphocytes infected within lymphoid tissues, which are the major site of ongoing viral ... See full document
14
The Human Immunodeficiency Virus Type 1 Nef and Vpu Proteins Downregulate the Natural Killer Cell-Activating Ligand PVR
... While Nef expression alone suffices to reduce the levels of in- tracellular and cell surface HLA-I, Nef acts individually to dimin- ish intracellular PVR but requires the presence of ... See full document
9
HIV-1 Nef and Vpu Are Functionally Redundant Broad-Spectrum Modulators of Cell Surface Receptors, Including Tetraspanins
... that Nef and Vpu are completely distinct in their mem- brane topology, their domain organization, and the presence of signature motifs for interactions with host cell factors, we were surprised by ... See full document
17
Efficient Nef-Mediated Downmodulation of TCR-CD3 and CD28 Is Associated with High CD4+ T Cell Counts in Viremic HIV-2 Infection
... of Nef- mediated TCR-CD3 downmodulation against disease progression in HIV-2-infected individuals ...many HIV-2 nef alleles were derived from nonprogressors with undetectable viral ...few ... See full document
15
Ability of HIV-1 Nef to downregulate CD4 and HLA class I differs among viral subtypes
... Single HIV-1 plasma RNA Nef clones were obtained from N=360 antiretroviral-naïve, chronically infected patients from Africa and North America: 96 (subtype A), 93 (B), 85 (C), and 86 ...(D). ... See full document
17
Ability of HIV 1 Nef to downregulate CD4 and HLA class I differs among viral subtypes
... Single HIV-1 plasma RNA Nef clones were obtained from N=360 antiretroviral-naïve, chronically infected patients from Africa and North America: 96 (subtype A), 93 (B), 85 (C), and 86 ...(D). ... See full document
16
HIV-1 Vpu Downmodulates ICAM-1 Expression, Resulting in Decreased Killing of Infected CD4+ T Cells by NK Cells
... ABSTRACT HIV-1 Vpu is known to alter the expression of numerous cell surface ...of Vpu targets identified to date, we under- took a proteomic screen to discover novel cell ... See full document
23
Contribution of Vpu, Env, and Nef to CD4 Down-Modulation and Resistance of Human Immunodeficiency Virus Type 1-Infected T Cells to Superinfection
... type 1 (HIV-1) utilizes Vpu, Env, and Nef to down-modulate its primary CD4 receptor from the cell surface, and this function seems to be critical for the ... See full document
13
Modulation of HIV 1 host interaction: role of the Vpu accessory protein
... of CD4+ T cell depletion and maintained signif- icantly lower viral loads than macaques inoculated with parental ...that Vpu-mediated CD4 degradation may have an impor- tant role in ... See full document
19
CD4 down-modulation during infection of human T cells with human immunodeficiency virus type 1 involves independent activities of vpu, env, and nef.
... type 1 (HIV-1) genes vpu, env, and nef have all been implicated in modulating the levels of cell surface CD4 on infected ...of CD4 during HIV ... See full document
10
Expression of Nef from unintegrated HIV 1 DNA downregulates cell surface CXCR4 and CCR5 on T lymphocytes
... Sloan 1 , Daniel A Donahue 1,2 , Björn D Kuhl 1,3 , Tamara Bar-Magen 1 and Mark A Wainberg* 1,2,3 Abstract Background: Transcription of HIV-1 cDNA prior to, or in the absence of, integration ... See full document
10
HIV 1 Group P is unable to antagonize human tetherin by Vpu, Env or Nef
... the HIV-1 Group P Nef was unable to promote virion release although it reduced the levels of cell surface expression of the gorilla tetherin orthologue by up to ...on Vpu ... See full document
9
Tetherin Antagonism by HIV-1 Group M Nef Proteins
... Although Nef is the viral gene product used by most simian immunodeficiency viruses to overcome restriction by tetherin, this activity was acquired by the Vpu protein of HIV-1 group M due to ... See full document
14
Human Immunodeficiency Virus Type 1 Nef-Induced CD4 Cell Surface Downregulation Is Inhibited by Ikarugamycin
... the cell surface (36). However, HIV has evolved redundant strat- egies for the elimination of its receptor, CD4, from the cell ...of HIV has been shown to block transport of ... See full document
5
HIV does not replicate in naive CD4 T cells stimulated with CD3/CD28
... the T cell tropic strain of HIV, LAI, does not replicate in naive CD4 T cells stimu- lated by cross-linking CD3 and ...memory CD4 T cells stimulated in the ... See full document
11
Contribution of CD4+, CD8+CD28+, and CD8+CD28 T cells to CD3+ lymphocyte homeostasis during the natural course of HIV 1 infection
... CD8 1 T cells in HIV 1 patients is sus- tained by different subsets expressing surface markers such as CD38, CD69, and HLA-DR (11–13), or lacking the CD28 sur- face marker ... See full document
9
Strong Ability of Nef-Specific CD4+ Cytotoxic T Cells To Suppress Human Immunodeficiency Virus Type 1 (HIV-1) Replication in HIV-1-Infected CD4+ T Cells and Macrophages
... both Nef epitopes as HLA-DR re- stricted in our ...for CD4 ⫹ T-cell recognition of virus-infected cells, the endogenous pathway for HLA class II presentation was also identified in some ... See full document
10
The Repertoire of CD4+ CD28− T Cells in Rheumatoid Arthritis
... certain BV gene segments within the CD4+ CD28- compartment was caused by a polyclonal BV-specific stimulation or by the clonal prolifer- ation of single T cell clonotypes, the diversity [r] ... See full document
11
Related subjects