U937 cells overexpressing bcl-xl are resistant to human immunodeficiency virus-1-induced apoptosis and human immunodeficiency virus-1 replication.

abstract：:In order to study the effect of nef gene expression on viral replication in monocytic cells, we established monocytic (U937 and THP-1) cell transfectants constitutively expressing the human immunodeficiency virus type 1 nef gene. We constructed a plasmid expressing the nef gene derived from an infectious clone, NL432,...

journal_title：Virology

authors： Tsunetsugu-Yokota Y,Matsuda S,Maekawa M,Saito T,Takemori T,Takebe Y

更新日期：1992-12-01 00:00:00

abstract：:Human papillomavirus type 16 (HPV-16) E2 protein negatively regulates transcription of the E6 and E7 genes. This study was done to test the hypothesis that methylation of the HPV 16 long control region (LCR) is overrepresented among cervical cancer (CaCx) cases compared to cytologically normal controls harboring intac...

journal_title：Virology

authors： Bhattacharjee B,Sengupta S

更新日期：2006-10-25 00:00:00

abstract：:Recently, we reported that PrP(Sc), a surrogate marker for prion disease, is associated with the cellular fraction of blood from scrapie-infected sheep using a ligand-based immunoassay. In the study reported here, we found that a subset of peripheral blood mononuclear cells is most likely to sequester PrP(Sc) during b...

journal_title：Virology

authors： Edwards JC,Moore SJ,Hawthorn JA,Neale MH,Terry LA

更新日期：2010-09-15 00:00:00

abstract：:In a previous paper (G. Winkler, V. B. Randolph, G. R. Cleaves, T. E. Ryan, and V. Stollar, 1988, Virology 162, 187-196) we showed that the newly synthesized dengue-2 virus nonstructural protein, NS1, exists briefly as a monomer and then undergoes dimerization. We demonstrate here that the dimerization of NS1 is assoc...

journal_title：Virology

authors： Winkler G,Maxwell SE,Ruemmler C,Stollar V

更新日期：1989-07-01 00:00:00

abstract：:The regions of the AcMNPV genome represented as cytoplasmic transcripts early after infection of Spodoptera frugiperda cells prior to and encompassing the initiation of DNA replication were mapped. In vivo(32)P pulse-labeled cytoplasmic RNA from infected cells at various times postinfection was used to probe Southern ...

journal_title：Virology

authors： Erlandson MA,Carstens EB

更新日期：1983-04-15 00:00:00

abstract：:An emv-14-derived, replication-competent ecotropic murine leukemia virus [MuLV], designated AK7, was previously cloned from the AKXL-5 recombinant inbred mouse strain and partially characterized. While genetically encoding for an envelope-derived immunodominant CTL epitope [KSPWFTTL] located in the transmembrane regio...

journal_title：Virology

authors： Kim V,Green WR

更新日期：1997-09-29 00:00:00

abstract：:The International Human Papillomavirus (HPV) Reference Center supports quality and order in HPV research and diagnostics. Notably, the center assigns HPV type numbers to novel HPV types, maintains a reference clone repository, and issues international proficiency panels for HPV genotyping. The established HPV types, c...

journal_title：Virology

authors： Mühr LSA,Eklund C,Dillner J

更新日期：2018-06-01 00:00:00

abstract：:Efavirenz resistance during HIV-1 treatment failure is usually associated with the reverse transcriptase mutation K103N. L100I, V108I, or P225H can emerge after K103N and increase its level of efavirenz resistance. K103N + L100I is the most drug-resistant of the double mutants but is the least common clinically. We hy...

journal_title：Virology

authors： Koval CE,Dykes C,Wang J,Demeter LM

更新日期：2006-09-15 00:00:00

abstract：:A major 135-kDa DNA binding protein (mDBP) encoded by the BALF2 open reading frame of Epstein-Barr Virus (EBV) is known to be an essential protein for the induction of the lytic cycle. The present investigation was carried out to know whether this protein forms a complex in vivo with other viral DNA binding proteins (...

journal_title：Virology

authors： Zeng Y,Middeldorp J,Madjar JJ,Ooka T

更新日期：1997-12-22 00:00:00

abstract：:The target for neutralizing antibodies against human immunodeficiency virus (HIV) is the trimeric Env protein on the native virion. Conserved neutralizing epitopes of receptor binding sites are located in the recessed core of the Env protein, partially masked by glycosylations and variable loops. In this study, we hav...

journal_title：Virology

authors： Kang SM,Quan FS,Huang C,Guo L,Ye L,Yang C,Compans RW

更新日期：2005-01-05 00:00:00

abstract：:The promotion of membrane fusion by the paramyxovirus hemagglutinin-neuraminidase (HN) and fusion (F) proteins requires that they be derived from homologous viruses, suggesting the possibility that the promotion of fusion requires a virus-specific communication between the two glycoprotein spikes. We have evaluated th...

journal_title：Virology

authors： Deng R,Wang Z,Mirza AM,Iorio RM

更新日期：1995-06-01 00:00:00

abstract：:The nucleotide sequence of the leader and the gene encoding the nucleocapsid protein (NP) of mumps virus Miyahara strain have been determined. The leader sequence is 55 nucleotides in length and the NP gene is 1845 nucleotides in length, exclusive of poly(A). The NP gene codes for a protein of 549 amino acids, with a ...

journal_title：Virology

authors： Tanabayashi K,Takeuchi K,Hishiyama M,Yamada A,Tsurudome M,Ito Y,Sugiura A

更新日期：1990-07-01 00:00:00

abstract：:Hematopoietic malignant cells of various types were isolated from ICFW mice inoculated as newborn or adult with F-MuLV and grafted into recipient mice. After repeated in vivo cell transplants, several recombinant polytropic viruses (also termed MCF or dualtropic viruses) were isolated from tumors by limiting dilution....

journal_title：Virology

authors： Della-Valle V,Wendling F,Sitbon M,Varlet P,Mathieu-Mahul D,Larsen CJ

更新日期：1990-10-01 00:00:00

abstract：:Productive infection by human immunodeficiency virus type I (HIV-1) in the central nervous system (CNS) involves mainly macrophages and microglial cells. A frequency of less than 10% of human astrocytes is estimated to be infectable with HIV-1. Nonetheless, this relatively low percentage of infected astrocytes, but as...

journal_title：Virology

authors： Fang J,Acheampong E,Dave R,Wang F,Mukhtar M,Pomerantz RJ

更新日期：2005-06-05 00:00:00

abstract：:It has been suggested that, in addition to viral proteins, host proteins are involved in RNA virus replication. In this study the RNA helicase domain of the Tobacco mosaic virus (TMV) replicase proteins was used as bait in the yeast two-hybrid system to identify tobacco proteins with a putative role in TMV replication...

journal_title：Virology

authors： Abbink TE,Peart JR,Mos TN,Baulcombe DC,Bol JF,Linthorst HJ

更新日期：2002-04-10 00:00:00

abstract：:In previous studies, a mutant (cp-RSV) of the RSV A2 strain derived from 52 serial cold passages in bovine embryonic tissue culture was highly attenuated in seropositive adults and children but caused upper respiratory tract disease in seronegative infants. We investigated the genetic basis for this attenuation phenot...

journal_title：Virology

authors： Connors M,Crowe JE Jr,Firestone CY,Murphy BR,Collins PL

更新日期：1995-04-20 00:00:00

abstract：:Nectin-1 is a receptor for herpes simplex virus (HSV), a member of the immunoglobulin superfamily, and a cellular adhesion molecule. To study domains of nectin-1alpha involved in cell fusion, we measured the ability of nectin-1alpha/nectin-2alpha chimeras, nectin-1alpha/CD4 chimeras, and transmembrane domain and cytop...

journal_title：Virology

authors： Subramanian RP,Dunn JE,Geraghty RJ

更新日期：2005-09-01 00:00:00

abstract：:We demonstrate that the AL2 gene of Cabbage leaf curl virus (CaLCuV) activates the CP promoter in mesophyll and acts to derepress the promoter in vascular tissue, similar to that observed for Tomato golden mosaic virus (TGMV). Binding studies indicate that sequences mediating repression and activation of the TGMV and ...

journal_title：Virology

authors： Lacatus G,Sunter G

更新日期：2008-06-20 00:00:00

abstract：:Although H5N1 influenza viruses have been responsible for hundreds of human infections, these avian influenza viruses have not fully adapted to the human host. The lack of sustained transmission in humans may be due, in part, to their avian-like receptor preference. Here, we have introduced receptor binding domain mut...

journal_title：Virology

authors： Maines TR,Chen LM,Van Hoeven N,Tumpey TM,Blixt O,Belser JA,Gustin KM,Pearce MB,Pappas C,Stevens J,Cox NJ,Paulson JC,Raman R,Sasisekharan R,Katz JM,Donis RO

更新日期：2011-04-25 00:00:00

abstract：:Retroviruses are expressed under the control of viral control regions designated long terminal repeats (LTRs), which contain all signals for transcriptional initiation as well as transcriptional termination. However, retroviral LTRs from different species within a common genus, such as Lentivirus, do not show signific...

journal_title：Virology

authors： Frech K,Brack-Werner R,Werner T

更新日期：1996-10-01 00:00:00

abstract：:Previously our laboratory constructed an HIV-1 which stably maintained a primer binding site (PBS) complementary to tRNA(His) by mutating the region of the provirus within U5 postulated to interact with the anticodon of tRNA(His) (J. Wakefield, S-M Kang, and C. D. Morrow, 1996, J. Virol, 70, 966-975). From the analysi...

journal_title：Virology

authors： Li Y,Zhang Z,Kang SM,Buescher JL,Morrow CD

更新日期：1997-11-24 00:00:00

abstract：:To determine the direction of the entry of DNA during in vitro bacteriophage T7 DNA packaging, incompletely packaged DNA (ipDNA) was fractionated by agarose gel electrophoresis after degradation of DNA outside of capsids and then release of packaged DNA from capsids. After fractionation, quantitative in-gel probing wi...

journal_title：Virology

authors： Son M,Watson RH,Serwer P

更新日期：1993-09-01 00:00:00

abstract：:Three prophage sequences were identified in the Lactobacillus johnsoni strain NCC533. Prophage Lj965 predicted a gene map very similar to those of pac-site Streptococcus thermophilus phages over its DNA packaging and head and tail morphogenesis modules. Sequence similarity linked the putative DNA packaging and head mo...

journal_title：Virology

authors： Desiere F,Pridmore RD,Brüssow H

更新日期：2000-09-30 00:00:00

abstract：:Avian myelocytomatosis virus MC29 inoculated into the wing web of 1-day-old Brown Leghorn chickens causes a high incidence of tumors, predominantly endotheliomas that are apparently induced directly by the action of the viral myc gene. Mutants of MC29, in which portions of the v-myc gene have been deleted and which ha...

journal_title：Virology

authors： Enrietto PJ,Hayman MJ,Ramsay GM,Wyke JA,Payne LN

更新日期：1983-01-15 00:00:00

abstract：:The avian hematopoietic system has long been an invaluable model to study the mechanisms of cell growth and differentiation. We have developed six MAbs against either chicken embryonic hematopoietic precursor cells or retrovirus-transformed cells. MAbs Mo1, Mo2, and Mo3 recognized transformation-associated markers exp...

journal_title：Virology

authors： Liu JL,Klein PA,Moscovici MG,Moscovici C

更新日期：1992-08-01 00:00:00

abstract：:The HIV-2 viral accessory protein Vpx is related to, but distinct from the Vpr protein of HIV-1. Vpx is packaged into virions and as a component of the viral preintegration complex (PIC) is required for efficient virus replication in non-dividing cells. We have previously reported that the minimal transferable region ...

journal_title：Virology

authors： Belshan M,Mahnke LA,Ratner L

更新日期：2006-03-01 00:00:00

abstract：:To determine whether infection with HIV-1 strains of different tropisms would influence expression of the mucosa-associated integrins alpha 4 beta 7 and alpha E beta 7 or the lymph node homing receptor L-selectin on peripheral T lymphocytes, cells were infected with the CXCR4-tropic (X4)/syncytium-inducing (SI) HIV-1(...

journal_title：Virology

authors： Cummins JE Jr,Bunn WJ,Hall SD,Donze HH,Mestecky J,Jackson S

更新日期：2001-02-15 00:00:00

abstract：:A mutant strain of polyoma virus encoding a truncated middle T protein has been studied for its ability to replicate and induce tumors following inoculation into newborn mice. Virus replication in the acute period prior to expected onset of tumors as well as persistence of virus in older animals were followed. The mut...

journal_title：Virology

authors： Freund R,Sotnikov A,Bronson RT,Benjamin TL

更新日期：1992-12-01 00:00:00

abstract：:Puumala (PUUV) and Hantaan (HTNV) viruses are hantaviruses within the family Bunyaviridae and associated with Hemorrhagic Fever with Renal Syndrome (HFRS) in humans. Little is known about how these viruses interact with host cells, though pathogenic hantaviruses interact with α(v)β(3) integrin. To study host cell inte...

journal_title：Virology

authors： Higa MM,Petersen J,Hooper J,Doms RW

更新日期：2012-02-20 00:00:00

abstract：:HIV-1 variants resistant to small molecule CCR5 inhibitors such as vicriviroc (VVC) have modified Env complexes that can use both the inhibitor-bound and -free forms of the CCR5 co-receptor to enter target cells. However, entry via the inhibitor-CCR5 complex is inefficient in some, but not all, cell types, particularl...

journal_title：Virology

authors： Pugach P,Ray N,Klasse PJ,Ketas TJ,Michael E,Doms RW,Lee B,Moore JP

更新日期：2009-05-10 00:00:00