SAMHD1 restricts HIV-1 infection in dendritic cells (DCs) by dNTP depletion, but its expression in DCs and primary CD4+ T-lymphocytes cannot be upregulated by interferons.

abstract：:Members of the APOBEC family of cellular cytidine deaminases represent a recently identified group of proteins that provide immunity to infection by retroviruses and protect the cell from endogenous mobile retroelements. Yet, HIV-1 is largely immune to the intrinsic antiviral effects of APOBEC proteins because it enco...

journal_title：Retrovirology

authors： Goila-Gaur R,Strebel K

更新日期：2008-06-24 00:00:00

abstract：:The 16th International Conference on Human Retrovirology: HTLV and Related Retroviruses was held in Montreal, Québec from June 26th to June 30th, 2013 and was therefore hosted by a Canadian city for the first time. The major topic of the meeting was human T-lymphotropic viruses (HTLVs) and was covered through distinct...

journal_title：Retrovirology

authors： Barbeau B,Hiscott J,Bazarbachi A,Carvalho E,Jones K,Martin F,Matsuoka M,Murphy EL,Ratner L,Switzer WM,Watanabe T

更新日期：2014-02-24 00:00:00

abstract：BACKGROUND:Binding of the viral envelope protein (Env), and particularly of its gp120 subunit, to the cellular CD4 receptor is the first essential step of the HIV-1 entry process. The CD4 binding site (CD4bs) of gp120, and especially a recessed cavity occupied by the CD4 Phe43 residue, are known to be highly conserved ...

journal_title：Retrovirology

authors： Grupping K,Selhorst P,Michiels J,Vereecken K,Heyndrickx L,Kessler P,Vanham G,Martin L,Ariën KK

更新日期：2012-05-02 00:00:00

abstract：BACKGROUND:Extra-cellular roles of Tat might be the main cause of maintenance of HIV-1 infected CD4 T cells or reservoir cells. We developed a synthetic vaccine based on a Tat variant of 101 residues called Tat Oyi, which was identified in HIV infected patients in Africa who did not progress to AIDS. We compared, using...

journal_title：Retrovirology

authors： Watkins JD,Lancelot S,Campbell GR,Esquieu D,de Mareuil J,Opi S,Annappa S,Salles JP,Loret EP

更新日期：2006-01-27 00:00:00

abstract：:MicroRNAs are a recently discovered class of small noncoding functional RNAs. These molecules mediate post-transcriptional regulation of gene expression in a sequence specific manner. MicroRNAs are now known to be key players in a variety of biological processes and have been shown to be deregulated in a number of can...

journal_title：Retrovirology

authors： Scaria V,Jadhav V

更新日期：2007-11-24 00:00:00

abstract：:HTLV-1 was the first described human retrovirus and was soon found to be associated with severe clinical diseases, including a devastating lymphoma/leukemia and other inflammatory diseases. Although HTLV-2 is not usually pathogenic, it is widely distributed among native Indian populations in Brazil, particularly in th...

journal_title：Retrovirology

authors： Ishak R,de Oliveira Guimarães Ishak M,Vallinoto ACR

更新日期：2020-02-14 00:00:00

abstract：BACKGROUND:We have previously reported that CD4 T cells from some exposed uninfected (EU) Vietnamese intravenous drug users are relatively resistant to HIV infection in vitro. Here, we further characterized the restriction of viral replication in CD4 T cells from five EUs and assessed its persistence in serial samples....

journal_title：Retrovirology

authors： Sáez-Cirión A,Versmisse P,Truong LX,Chakrabarti LA,Carpentier W,Barré-Sinoussi F,Scott-Algara D,Pancino G

更新日期：2006-11-08 00:00:00

abstract：BACKGROUND:The gut-associated lymphoid tissue (GALT) is the largest lymphoid organ infected by human immunodeficiency virus type 1 (HIV-1). It serves as a viral reservoir and host-pathogen interface in infection. This study examined whether different parts of the gut and peripheral blood lymphocytes (PBL) contain diffe...

journal_title：Retrovirology

authors： van Marle G,Church DL,Nunweiler KD,Cannon K,Wainberg MA,Gill MJ

更新日期：2010-09-13 00:00:00

abstract：BACKGROUND:Reducing transmission of HIV-1 through breast milk is needed to help decrease the burden of pediatric HIV/AIDS in society. We have previously reported that alkyl sulfates (i.e., sodium dodecyl sulfate, SDS) are microbicidal against HIV-1 at low concentrations, are biodegradable, have little/no toxicity and a...

journal_title：Retrovirology

authors： Urdaneta S,Wigdahl B,Neely EB,Berlin CM Jr,Schengrund CL,Lin HM,Howett MK

更新日期：2005-04-29 00:00:00

abstract：BACKGROUND:The reliable diagnosis of human T-cell leukemia virus type 1 (HTLV-1) infection is important, particularly as it can be vertically transmitted by breast feeding mothers to their infants. However, current diagnosis in Japan requires a confirmatory western blot (WB) test after screening/primary testing for HTL...

journal_title：Retrovirology

authors： Okuma K,Kuramitsu M,Niwa T,Taniguchi T,Masaki Y,Ueda G,Matsumoto C,Sobata R,Sagara Y,Nakamura H,Satake M,Miura K,Fuchi N,Masuzaki H,Okayama A,Umeki K,Yamano Y,Sato T,Iwanaga M,Uchimaru K,Nakashima M,Utsunomiya A

更新日期：2020-08-24 00:00:00

abstract：BACKGROUND:The continued persistence of HIV-1 as a public health concern due to the lack of a cure calls for the development of new tools for studying replication of the virus. Here, we used NanoLuc, a small and extremely bright luciferase protein, to develop an HIV-1 bioluminescent reporter virus that simplifies funct...

journal_title：Retrovirology

authors： Kirui J,Freed EO

更新日期：2020-05-19 00:00:00

abstract：:In the mid-1990's, researchers hypothesized, based on new viral load data, that HIV-1 causes CD4+ T-cell depletion by direct cytopathic effect. New data from non-human primate studies has raised doubts about this model of HIV-1 pathogenesis. Despite having high levels of viremia, most SIV infections are well tolerated...

journal_title：Retrovirology

authors： Smith SM

更新日期：2006-09-08 00:00:00

abstract：BACKGROUND:In the acute phase of infection with feline immunodeficiency virus (FIV), the virus targets activated CD4+ T cells by utilising CD134 (OX40) as a primary attachment receptor and CXCR4 as a co-receptor. The nature of the virus-receptor interaction varies between isolates; strains such as GL8 and CPGammer reco...

journal_title：Retrovirology

authors： Willett BJ,Kraase M,Logan N,McMonagle EL,Samman A,Hosie MJ

更新日期：2010-04-26 00:00:00

abstract：BACKGROUND:Jaagsiekte sheep retrovirus (JSRV) causes a contagious lung cancer in sheep and goats that can be transmitted by aerosols produced by infected animals. Virus entry into cells is initiated by binding of the viral envelope (Env) protein to a specific cell-surface receptor, Hyal2. Unlike almost all other retrov...

journal_title：Retrovirology

authors： Miller AD,De Las Heras M,Yu J,Zhang F,Liu SL,Vaughan AE,Vaughan TL,Rosadio R,Rocca S,Palmieri G,Goedert JJ,Fujimoto J,Wistuba II

更新日期：2017-01-20 00:00:00

abstract：BACKGROUND:Long term infection with HIV-1, even in the context of therapy, leads to chronic health problems including an array of neurocognitive dysfunctions. The viral Tat protein has previously been implicated in neuropathogenesis through its effect on astrocytes. Tat has also been shown to inhibit the biogenesis of ...

journal_title：Retrovirology

authors： Sardo L,Vakil PR,Elbezanti W,El-Sayed A,Klase Z

更新日期：2016-04-08 00:00:00

abstract：BACKGROUND:Recognition of microbial products through Toll-like receptors (TLRs) initiates inflammatory responses orchestrated by innate immune cells such as dendritic cells (DCs). As these cells are patrolling mucosal surfaces, a portal of entry for various pathogens including human immunodeficiency virus type-1 (HIV-1...

journal_title：Retrovirology

authors： Thibault S,Fromentin R,Tardif MR,Tremblay MJ

更新日期：2009-05-06 00:00:00

abstract：BACKGROUND:HIV-1 Nef is a viral accessory protein critical for AIDS progression. Nef lacks intrinsic catalytic activity and binds multiple host cell signaling proteins, including Hck and other Src-family tyrosine kinases. Nef binding induces constitutive Hck activation that may contribute to HIV pathogenesis by promoti...

journal_title：Retrovirology

authors： Trible RP,Narute P,Emert-Sedlak LA,Alvarado JJ,Atkins K,Thomas L,Kodama T,Yanamala N,Korotchenko V,Day BW,Thomas G,Smithgall TE

更新日期：2013-11-14 00:00:00

abstract：BACKGROUND:We reported previously that while prolonged tenofovir monotherapy of macaques infected with virulent simian immunodeficiency virus (SIV) resulted invariably in the emergence of viral mutants with reduced in vitro drug susceptibility and a K65R mutation in reverse transcriptase, some animals controlled virus ...

journal_title：Retrovirology

authors： Van Rompay KK,Trott KA,Jayashankar K,Geng Y,LaBranche CC,Johnson JA,Landucci G,Lipscomb J,Tarara RP,Canfield DR,Heneine W,Forthal DN,Montefiori D,Abel K

更新日期：2012-07-17 00:00:00

abstract：BACKGROUND:HIV-1 Gag proteins are essential for virion assembly and viral replication in newly infected cells. Gag proteins are also strong determinants of viral infectivity; immune escape mutations in the Gag capsid (CA) protein can markedly reduce viral fitness, and interactions of CA with host proteins such as cyclo...

journal_title：Retrovirology

authors： Matsuoka S,Dam E,Lecossier D,Clavel F,Hance AJ

更新日期：2009-03-02 00:00:00

abstract：:Recent findings suggest that mammalian cells can use small non-coding RNAs (ncRNA) to regulate physiological viral infections. Here, we comment on several lines of evidence that support this concept. We discuss how viruses may in turn protect, suppress, evade, modulate, or adapt to the host cell's ncRNA regulatory sch...

journal_title：Retrovirology

authors： Yeung ML,Benkirane M,Jeang KT

更新日期：2007-10-15 00:00:00

abstract：:Previous studies have reported that various inbred SAM mouse strains differ markedly with regard to a variety of parameters, such as capacity for learning and memory, life spans and brain histopathology. A potential cause of differences seen in these strains may be based on the fact that some strains have a high conce...

journal_title：Retrovirology

authors： Kim BH,Meeker HC,Shin HY,Kim JI,Jeong BH,Choi EK,Carp RI,Kim YS

更新日期：2008-11-25 00:00:00

abstract：BACKGROUND:All human immunodeficiency virus (HIV-1) uses a host tRNALys,3 as the primer for reverse transcription. The tRNALys,3 is bound to a region on the HIV-1 genome, the primer-binding site (PBS), that is complementary to the 18 terminal nucleotides of tRNALys,3. How HIV-1 selects the tRNA from the intracellular m...

journal_title：Retrovirology

authors： Moore-Rigdon KL,Kosloff BR,Kirkman RL,Morrow CD

更新日期：2005-03-24 00:00:00

abstract：BACKGROUND:Mutations in the substrate of HIV-1 protease, especially changes in the NC/p1 cleavage site, can directly contribute to protease inhibitor (PI) resistance and also compensate for defects in viral replicative capacity (RC) due to a drug resistant protease. These NC/p1 changes are known to enhance processing o...

journal_title：Retrovirology

authors： van Maarseveen NM,Andersson D,Lepšík M,Fun A,Schipper PJ,de Jong D,Boucher CA,Nijhuis M

更新日期：2012-04-01 00:00:00

abstract：:We have obtained the 1.7 A crystal structure of FIV protease (PR) in which 12 critical residues around the active site have been substituted with the structurally equivalent residues of HIV PR (12X FIV PR). The chimeric PR was crystallized in complex with the broad-based inhibitor TL-3, which inhibits wild type FIV an...

journal_title：Retrovirology

authors： Heaslet H,Lin YC,Tam K,Torbett BE,Elder JH,Stout CD

更新日期：2007-01-09 00:00:00

abstract：BACKGROUND:We previously showed that the gM of HSV-1 could restrict the release of infectious HIV-1 from cells. In this study, we analyzed if the four HSV-1 glycoproteins (gD, gB, and gH/gL), which are the minimum glycoproteins required for HSV-1 entry, restricted the release of infectious HIV-1. RESULTS:Of these four...

journal_title：Retrovirology

authors： Polpitiya Arachchige S,Henke W,Kalamvoki M,Stephens EB

更新日期：2019-04-02 00:00:00

abstract：BACKGROUND:While viruses have long been shown to capitalize on their limited genomic size by utilizing both strands of DNA or complementary DNA/RNA intermediates to code for viral proteins, it has been assumed that human retroviruses have all their major proteins translated only from the plus or sense strand of RNA, de...

journal_title：Retrovirology

authors： Ludwig LB,Ambrus JL Jr,Krawczyk KA,Sharma S,Brooks S,Hsiao CB,Schwartz SA

更新日期：2006-11-08 00:00:00

abstract：:The development of safe and effective combination antiretroviral therapies for human immunodeficiency virus (HIV) infection over the past several decades has significantly reduced HIV-associated morbidity and mortality. Additionally, antiretroviral drugs have provided an effective means of protection against HIV trans...

journal_title：Retrovirology

authors： Agarwal Y,Beatty C,Biradar S,Castronova I,Ho S,Melody K,Bility MT

更新日期：2020-04-10 00:00:00

abstract：BACKGROUND:Protein arginine methyltransferase 6 (PRMT6) is a nuclear enzyme that methylates arginine residues on histones and transcription factors. In addition, PRMT6 inhibits HIV-1 replication in cell culture by directly methylating and interfering with the functions of several HIV-1 proteins, i.e. Tat, Rev and nucle...

journal_title：Retrovirology

authors： Singhroy DN,Mesplède T,Sabbah A,Quashie PK,Falgueyret JP,Wainberg MA

更新日期：2013-07-17 00:00:00

abstract：:Susceptibility to HIV-1 and the clinical course after infection show a substantial heterogeneity between individuals. Part of this variability can be attributed to host genetic variation. Initial candidate gene studies have revealed interesting host factors that influence HIV infection, replication and pathogenesis. R...

journal_title：Retrovirology

authors： van Manen D,van 't Wout AB,Schuitemaker H

更新日期：2012-08-24 00:00:00

abstract：BACKGROUND:Mammalian cells harbour RNA quality control and degradative machineries such as nonsense-mediated mRNA decay that target cellular mRNAs for clearance from the cell to avoid aberrant gene expression. The role of the host mRNA decay pathways in macrophages in the context of human immunodeficiency virus type 1 ...

journal_title：Retrovirology

authors： Rao S,Amorim R,Niu M,Breton Y,Tremblay MJ,Mouland AJ

更新日期：2019-02-07 00:00:00