CD4 and MHC class 1 down-modulation activities of nef alleles from brain- and lymphoid tissue-derived primary HIV-1 isolates.

Abstract:

:Human immunodeficiency virus type 1 (HIV-1) nef undergoes adaptive evolution in the central nervous system (CNS), reflecting altered requirements for HIV-1 replication in macrophages/microglia and brain-specific immune selection pressures. The role of Nef in HIV-1 neurotropism and pathogenesis of HIV-associated dementia (HAD) is unclear. In this study, we characterized 82 nef alleles cloned from brain, cerebral spinal fluid, spinal cord, and blood/lymphoid tissue-derived HIV-1 isolates from seven subjects with HAD. CNS isolate-derived nef alleles were genetically compartmentalized and had reduced sequence diversity compared to those from lymphoid tissue isolates. Defective nef alleles predominated in a brain-derived isolate from one of the seven subjects (MACS2-br). The ability of Nef to down-modulate CD4 and MHC class 1 (MHC-1) was generally conserved among nef alleles from both CNS and lymphoid tissues. However, the potency of CD4 and MHC-1 down-modulation was variable, which was associated with sequence alterations known to influence these Nef functions. These results suggest that CD4 and MHC-1 down-modulations are highly conserved functions among nef alleles from CNS- and lymphoid tissue-derived HIV-1 isolates that may contribute to viral replication and escape from immune surveillance in the CNS.

journal_name

J Neurovirol

journal_title

Journal of neurovirology

authors

Gray LR,Gabuzda D,Cowley D,Ellett A,Chiavaroli L,Wesselingh SL,Churchill MJ,Gorry PR

doi

10.1007/s13365-010-0001-6

subject

Has Abstract

pub_date

2011-02-01 00:00:00

pages

82-91

issue

1

eissn

1355-0284

issn

1538-2443

journal_volume

17

pub_type

杂志文章
  • Neither B cells nor T cells are required for CNS demyelination in mice persistently infected with MHV-A59.

    abstract::Murine hepatitis virus A59 infection of the central nervous system (CNS) results in CNS demyelination in susceptible strains of mice. In infected B-cell-deficient mice, demyelination not only occurred but was also more severe than in parental C57BL/6 animals. This increase may be due to the persistence of virus in the...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章

    doi:10.1080/13550280290049697

    authors: Matthews AE,Lavi E,Weiss SR,Paterson Y

    更新日期:2002-06-01 00:00:00

  • Gene expression profiles in peripheral blood mononuclear cells from patients with subacute sclerosing panencephalitis using oligonucleotide microarrays.

    abstract::To investigate the molecular basis for measles virus persistence in patients with subacute sclerosing panencephalitis (SSPE), the authors used a high-density oligonucleotide microarray, and found that the expression of granulysin in peripheral blood mononuclear cells was significantly lower in the patients than in the...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章

    doi:10.1080/13550280590953825

    authors: Takemoto M,Kira R,Kusuhara K,Torisu H,Sakai Y,Hara T

    更新日期:2005-07-01 00:00:00

  • Progressive multifocal leukoencephalopathy despite immune recovery in a HIV/HCV co-infected patient.

    abstract::In HIV patients, HCV co-infection has been associated with an increased risk of progressive multifocal leukoencephalopathy (PML). Furthermore, PML has also been described in patients with cirrhosis, whether related to HCV infection or not. We describe here the case of a HIV/HCV co-infected patient with cirrhosis who d...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章

    doi:10.1007/s13365-020-00848-x

    authors: Hentzien M,Guihot A,de Maindreville D,Tabary T,Brodard V,Vieillard V,Adle-Biassette H,Bani-Sadr F

    更新日期:2020-08-01 00:00:00

  • A Mediterranean arbovirus: the Toscana virus.

    abstract::Toscana virus (Bunyaviridae family, Phlebovirus genus) is a sandfly fever virus responsible for human neurological infections. Sandfly viruses are transmitted by insect vectors (Phlebotomus species) and the infection is present in climatic areas that allow the life cycle of the vector. The arthropode-borne Toscana vir...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章,评审

    doi:10.1080/13550280390247678

    authors: Valassina M,Cusi MG,Valensin PE

    更新日期:2003-12-01 00:00:00

  • Neurological evaluation of untreated human immunodeficiency virus infected adults in Ethiopia.

    abstract::Human immunodeficiency virus (HIV) has been implicated in neurological complications in developed countries. Developing countries have different viral clades and potentially different genetic and social risks for these complications. Baseline neurological performance measures associated with HIV infection have rarely ...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章

    doi:10.1080/13550280601169837

    authors: Clifford DB,Mitike MT,Mekonnen Y,Zhang J,Zenebe G,Melaku Z,Zewde A,Gessesse N,Wolday D,Messele T,Teshome M,Evans S

    更新日期:2007-01-01 00:00:00

  • Improvement in HIV-associated motor slowing after antiretroviral therapy including protease inhibitors.

    abstract::A study of neuropsychological performance was conducted in 33 HIV+ patients initiating highly active antiretroviral therapy (HAART). Grooved Pegboard (GP) non-dominant hand performance improved in 23/33 (70%) subjects (P=0.002). Among 23 patients with motor slowing (GP non-dominant hand z score < -1.0) at baseline, 18...

    journal_title:Journal of neurovirology

    pub_type: 临床试验,杂志文章

    doi:10.3109/13550280009006385

    authors: Sacktor NC,Skolasky RL,Lyles RH,Esposito D,Selnes OA,McArthur JC

    更新日期:2000-02-01 00:00:00

  • Future trends in neurovirology: neuronal survival during virus infection and analysis of virus-specific T cells in central nervous system tissues.

    abstract::The recent ability to quantitate and localize the interaction of antigen-specific T cells in the central nervous system during infectious and autoimmune diseases will greatly enhance our understanding of the molecular and biologic basis of virus-induced diseases of the nervous and other systems. ...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章,评审

    doi:10.1080/13550280490468438

    authors: Oldstone MB

    更新日期:2004-08-01 00:00:00

  • Pain, psychoaffective symptoms, and quality of life in human T cell lymphotropic virus type 1 (HTLV-1): a cross-sectional study.

    abstract::The objective of this study is to describe the chronic pain characteristics in individuals infected with human T cell lymphotropic virus type 1 (HTLV-1) per subgroup (asymptomatic, oligosymptomatic, and HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP)) compared with controls with chronic pain withou...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章

    doi:10.1007/s13365-020-00914-4

    authors: Dos Santos DN,Sá KN,Queirós FC,Paixão AB,Santos KOB,de Andrade RCP,Camatti JR,Baptista AF

    更新日期:2021-01-06 00:00:00

  • HSV-1 encephalitis relapse after epilepsy surgery: a case report and review of the literature.

    abstract::Herpes simplex encephalitis relapses have been rarely reported, with only few cases occurring after neurosurgical interventions. A young man presented a late herpes simplex encephalitis relapse after left antero-mesial temporal resection for his refractory temporal lobe epilepsy. Eight days after surgery, he developed...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章

    doi:10.1007/s13365-019-00796-1

    authors: Mantero V,Cossu M,Rigamonti A,Fiumani A,Basilico P,Tassi L,Salmaggi A

    更新日期:2020-02-01 00:00:00

  • The "Three Italy" of the COVID-19 epidemic and the possible involvement of SARS-CoV-2 in triggering complications other than pneumonia.

    abstract::Coronavirus disease 2019 (COVID-19), first reported in Wuhan, the capital of Hubei, China, has been associated to a novel coronavirus, the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). In March 2020, the World Health Organization declared the SARS-CoV-2 infection a global pandemic. Soon after, the numb...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章,评审

    doi:10.1007/s13365-020-00862-z

    authors: Prezioso C,Marcocci ME,Palamara AT,De Chiara G,Pietropaolo V

    更新日期:2020-06-01 00:00:00

  • Cerebrospinal fluid CD4+ T cells from a multiple sclerosis patient cross-recognize Epstein-Barr virus and myelin basic protein.

    abstract::Epstein-Barr virus-specific CD4+ T cells could be involved in the pathogenesis of multiple sclerosis, provided they can gain entry to the intrathecal compartment. The authors have previously demonstrated that cerebrospinal fluid T cells from multiple sclerosis patients recognize autologous Epstein-Barr virus-transform...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章

    doi:10.1080/13550280490499524

    authors: Holmøy T,Kvale EØ,Vartdal F

    更新日期:2004-10-01 00:00:00

  • Zika virus outbreak: a review of neurological complications, diagnosis, and treatment options.

    abstract::Zika virus (ZIKV) is an arbovirus transmitted mainly by mosquitos of Aedes species. The virus has emerged in recent years and spread throughout North and South Americas. The recent outbreak of ZIKV started in Brazil (2015) has resulted in infections surpassing a million mark. Contrary to the previous beliefs that Zika...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章,评审

    doi:10.1007/s13365-018-0614-8

    authors: Koppolu V,Shantha Raju T

    更新日期:2018-06-01 00:00:00

  • The herpes simplex virus type 1 early gene (thymidine kinase) promoter is activated in neurons of brain, but not trigeminal ganglia, of transgenic mice in the absence of viral proteins.

    abstract::Latent infection of sensory neurons and reactivation are necessary for maintenance of herpes simplex virus type 1 (HSV-1) in its host population. It has been proposed that the HSV-1 early gene, thymidine kinase (TK), may play an important regulatory role in this process. The authors used reporter transgenic mice to te...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章

    doi:10.1080/13550280490279771

    authors: Loiacono CM,Myers R,Mitchell WJ

    更新日期:2004-04-01 00:00:00

  • Diffuse large B cell lymphoma secondary to JC virus in progressive multifocal leukoencephalopathy.

    abstract::We present the case of a 43-year-old-man with a past medical history of HIV with recently initiated HAART and existing PML that presented with altered mental status. The initial diagnosis was deemed to be PML-IRIS; however, neuroimaging brought into question this diagnosis. Flow cytometry performed from the cerebrospi...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章

    doi:10.1007/s13365-019-00760-z

    authors: Reddi A,Patel N,Morris NA

    更新日期:2019-12-01 00:00:00

  • Association of long-term patterns of depressive symptoms and attention/executive function among older men with and without human immunodeficiency virus.

    abstract::Older HIV-infected men are at higher risk for both depression and cognitive impairments, compared to HIV-uninfected men. We evaluated the association between longitudinal patterns of depressive symptoms and attention/executive function in HIV-infected and HIV-uninfected men aged 50+ years to understand whether HIV inf...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章

    doi:10.1007/s13365-017-0527-y

    authors: Armstrong NM,Surkan PJ,Treisman GJ,Sacktor NC,Irwin MR,Teplin LA,Stall R,Martin EM,Becker JT,Munro C,Levine AJ,Jacobson LP,Abraham AG

    更新日期:2017-08-01 00:00:00

  • Long-term virological effect of highly active antiretroviral therapy on cerebrospinal fluid and relationship with genotypic resistance.

    abstract::The objective of this study was to assess the long-term virological response in cerebrospinal fluid (CSF) in patients treated with highly active antiretroviral therapy (HAART) and to compare this response to CSF and plasma human immunodeficiency virus (HIV) drug resistance profiles. Paired CSF and plasma specimens wer...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章

    doi:10.1080/753312753

    authors: Bestetti A,Presi S,Pierotti C,Bossolasco S,Sala S,Racca S,Carrera P,Lazzarin A,Cinque P

    更新日期:2004-01-01 00:00:00

  • Varicella-zoster virus human ganglionic latency: a current summary.

    abstract::Varicella-zoster virus (VZV) is a ubiquitous human herpes virus typically acquired in childhood when it causes varicella (chickenpox), following which the virus establishes a latent infection in trigeminal and dorsal root ganglia that lasts for the life of the individual. VZV subsequently reactivates, spontaneously or...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章,评审

    doi:10.1007/BF03210846

    authors: Kennedy PG,Cohrs RJ

    更新日期:2010-11-01 00:00:00

  • HIV-associated neurocognitive disorders before and during the era of combination antiretroviral therapy: differences in rates, nature, and predictors.

    abstract::Combination antiretroviral therapy (CART) has greatly reduced medical morbidity and mortality with HIV infection, but high rates of HIV-associated neurocognitive disorders (HAND) continue to be reported. Because large HIV-infected (HIV+) and uninfected (HIV-) groups have not been studied with similar methods in the pr...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章,多中心研究

    doi:10.1007/s13365-010-0006-1

    authors: Heaton RK,Franklin DR,Ellis RJ,McCutchan JA,Letendre SL,Leblanc S,Corkran SH,Duarte NA,Clifford DB,Woods SP,Collier AC,Marra CM,Morgello S,Mindt MR,Taylor MJ,Marcotte TD,Atkinson JH,Wolfson T,Gelman BB,McArthur JC,

    更新日期:2011-02-01 00:00:00

  • Neurocytotoxity of quinolinic acid in human brain cultures.

    abstract::Quinolinic acid (QUIN) is a tryptophan metabolite which has been found to be an excitotoxin in rats, although its toxicity in humans is unknown. QUIN has been implicated in the pathogenesis of AIDS dementia complex. This study examined the effect of QUIN on human fetal brain tissue in vitro. After at least 14 days in ...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章

    doi:10.3109/13550289509111027

    authors: Kerr SJ,Armati PJ,Brew BJ

    更新日期:1995-12-01 00:00:00

  • Cellular localization of human herpesvirus-6 in the brains of children with AIDS encephalopathy.

    abstract::Human herpesvirus-6, the etiologic agent of exanthem subitum, is a ubiquitous virus that infects almost all children by the age of 2 years and that has previously been shown to be neuroinvasive. These characteristics suggest that human herpesvirus-6 may be important in the neuropathogenesis of acquired immune deficien...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章

    doi:10.3109/13550289509111008

    authors: Saito Y,Sharer LR,Dewhurst S,Blumberg BM,Hall CB,Epstein LG

    更新日期:1995-03-01 00:00:00

  • Treatment intensification with maraviroc (CCR5 antagonist) leads to declines in CD16-expressing monocytes in cART-suppressed chronic HIV-infected subjects and is associated with improvements in neurocognitive test performance: implications for HIV-associa

    abstract::HIV-associated neurocognitive disorders (HAND) continues to be prevalent (30-50%) despite plasma HIV-RNA suppression with combination antiretroviral therapy (cART). There is no proven therapy for individuals on suppressive cART with HAND. We have shown that the degree of HIV reservoir burden (HIV DNA) in monocytes app...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章

    doi:10.1007/s13365-014-0279-x

    authors: Ndhlovu LC,Umaki T,Chew GM,Chow DC,Agsalda M,Kallianpur KJ,Paul R,Zhang G,Ho E,Hanks N,Nakamoto B,Shiramizu BT,Shikuma CM

    更新日期:2014-12-01 00:00:00

  • The cellular response to herpes simplex virus type 1 (HSV-1) during latency and reactivation.

    abstract::In order to learn more about the cellular response to viral gene activity during latency and reactivation of herpes simplex virus type 1 (HSV-1), the authors have employed microarray analysis. On an array of about 1200 cellular genes, approximately 56 genes were found to be differentially regulated in infected trigemi...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章

    doi:10.1080/13550280591002405

    authors: Kent JR,Fraser NW

    更新日期:2005-08-01 00:00:00

  • Risk factors for human immunodeficiency virus type-1 acquisition in women in Africa.

    abstract::Over 65% of individuals infected with human immunodeficiency virus type 1 (HIV-1) reside in sub-Saharan Africa, and thus efforts to change the course of the HIV-1 pandemic should focus on this geographic region. Here, we discuss factors, including sexually transmitted diseases and hormonal contraceptive use, that impa...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章

    doi:

    authors: Benki S,McClelland RS,Overbaugh J

    更新日期:2005-01-01 00:00:00

  • Persistent pathogens in the parenchyma of the brain.

    abstract::It has recently been shown that bacteria and viruses can be delivered to the brain parenchyma without evoking an immune response. These experiments demonstrate that there are no cells within the brain parenchyma that can initiate a primary immune response, and that the drainage of pathogens from the brain parenchyma i...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章,评审

    doi:

    authors: Perry VH

    更新日期:2000-05-01 00:00:00

  • Update on multiple sclerosis rehabilitation.

    abstract::The neuromotor rehabilitative treatment should be joined in the global individualised project. The rehabilitation project is developed by an interdisciplinary. Hence, the clinicians have to promote an appropriate compensation process in the daily living activities with a rapid insertion of new or recovered motor-postu...

    journal_title:Journal of neurovirology

    pub_type: 临床试验,杂志文章,随机对照试验

    doi:

    authors: Cardini RG,Crippa AC,Cattaneo D

    更新日期:2000-05-01 00:00:00

  • Neuroimaging abnormalities in clade C HIV are independent of Tat genetic diversity.

    abstract::Controversy remains regarding the neurotoxicity of clade C human immunodeficiency virus (HIV-C). When examined in preclinical studies, a cysteine to serine substitution in the C31 dicysteine motif of the HIV-C Tat protein (C31S) results in less severe brain injury compared to other viral clades. By contrast, patient c...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章

    doi:10.1007/s13365-016-0503-y

    authors: Paul RH,Phillips S,Hoare J,Laidlaw DH,Cabeen R,Olbricht GR,Su Y,Stein DJ,Engelbrecht S,Seedat S,Salminen LE,Baker LM,Heaps J,Joska J

    更新日期:2017-04-01 00:00:00

  • Human immunodeficiency virus type 1 Tat modulates proliferation and differentiation of human neural precursor cells: implication in NeuroAIDS.

    abstract::Human immunodeficiency virus type 1 (HIV-1) and viral proteins affect neuronal survival and neuron-glial cell interactions, which culminate in neurological disorders. HIV-1 infects regions of neurogenesis in human adult and pediatric brain. However, little is known about the effect of HIV-1 or viral proteins on the pr...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章

    doi:10.3109/13550284.2010.513028

    authors: Mishra M,Taneja M,Malik S,Khalique H,Seth P

    更新日期:2010-10-01 00:00:00

  • Epstein-Barr virus encephalitis presenting with a tumor-like lesion in an immunosuppressed transplant recipient.

    abstract::Epstein-Barr virus (EBV) associated central nervous system (CNS) infection is a rare disease. We report an atypical manifestation of EBV encephalitis initially presenting with a tumor-like lesion of the optic tract in an immunocompromised patient 8 years after a combined kidney and pancreas transplantation had been pe...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章

    doi:10.1080/13550280802345715

    authors: Khalil M,Enzinger C,Wallner-Blazek M,Scarpatetti M,Barth A,Horn S,Reiter G

    更新日期:2008-11-01 00:00:00

  • Progressive multifocal leukoencephalopathy in acquired immunodeficiency syndrome: explaining the high incidence and disproportionate frequency of the illness relative to other immunosuppressive conditions.

    abstract::In the era of the AIDS pandemic, progressive multifocal leukoencephalopathy (PML) has ceased being a rare disease. Prevalence estimates from clinical and pathological series suggest that up to 5% of all HIV-infected persons will develop PML. The extraordinary frequency with which PML attends HIV infection vastly excee...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章,评审

    doi:10.1080/13550280390195261

    authors: Berger JR

    更新日期:2003-01-01 00:00:00

  • Molecular analysis of JC virus genotypes circulating among the Italian healthy population.

    abstract::JC virus (JCV) is an unique virus, but eight different JCV genotypes and various subtypes have been individuated, with a geographic distribution that has been described in general but still needs to be detailed. To define JCV genotype epidemiology in Italy, the authors collected urine from 211 healthy individuals livi...

    journal_title:Journal of neurovirology

    pub_type: 杂志文章

    doi:10.1080/13550280390241269

    authors: Pagani E,Delbue S,Mancuso R,Borghi E,Tarantini L,Ferrante P

    更新日期:2003-10-01 00:00:00