Viral breakthrough during lamivudine therapy for chronic hepatitis B.

abstract：:Epstein-Barr virus (EBV) is a common herpesvirus that may cause asymptomatic infection or various diseases, such as mononucleosis, lymphoproliferative disorders and several cancers. Our objective was to estimate the prevalence of EBV among patients hospitalized in "Luigi Vanvitelli" University Hospital in the last 10 ...

journal_title：Intervirology

authors： Franci G,Crudele V,Della Rocca MT,Melardo C,Chianese A,Finamore E,Bencivenga F,Astorri R,Vitiello M,Galdiero E,Galdiero M

更新日期：2019-01-01 00:00:00

abstract：:Human cytomegalovirus (HCMV), like all herpesviruses, persists in the host after primary infection, with reactivation often occurring as a result of immunosuppression. The lack of a model system has made analysis of HCMV latency and reactivation difficult. However, the ability to analyse which specific cell types in v...

journal_title：Intervirology

authors： Sinclair J,Sissons P

更新日期：1996-01-01 00:00:00

abstract：BACKGROUND:The hemagglutinin molecule of influenza virus is considered as an ideal model to study biological processes as well as the effect of glycosylation on the function of glycoproteins. OBJECTIVES:The large subunit of the influenza virus A/New Caledonia/20/99 (H1N1) hemagglutinin (HA1) was expressed in recombina...

journal_title：Intervirology

authors： Farahmand B,Khodabandeh M,Mahboudi F,Fotouhi F,Saleh M,Barkhordari F,Tabatabaian M,Nasab FP,Kheiri MT

更新日期：2012-01-01 00:00:00

abstract：:Examination of the effect of 2-thiouracil on tobacco mosaic virus (TMV) RNA and protein synthesis in synchronous and asynchronous systems of replication in tobacco leaves demonstrated that 2-thiouracil does not prevent synthesis of TMV RNA, as suggested by previous studies, but inhibits some earlier function. When add...

journal_title：Intervirology

authors： Dawson WO,Grantham GL

更新日期：1983-01-01 00:00:00

abstract：:In Spodoptera frugiperda (SF IPLB-21) cells productively infected with S. frugiperda multicapsid nuclear polyhedrosis virus (SfMNPV), we observed the synthesis of infected-cell-specific polypeptides (ICSPs) using the protein synthesis inhibitor cycloheximide (CX) and the DAN synthesis inhibitor cytosine arabinoside (A...

journal_title：Intervirology

authors： Liu HS,Bilimoria SL

更新日期：1997-01-01 00:00:00

abstract：:The large tumour antigen (TAg) of simian virus 40 is the main regulatory protein in viral replication. We have investigated possible functional roles for the N-terminal domain of TAg while defining the epitopes of antibodies binding within that region. The epitopes recognised by eight monoclonal anti-TAg antibodies we...

journal_title：Intervirology

authors： Lindner K,Mole SE,Lane DP,Kenny MK

更新日期：1998-01-01 00:00:00

abstract：:A singly enveloped nuclear polyhedrosis virus (SNPV) of the white-marked tussock moth, Orgyia leucostigma, was successfully grown in four continuous cell lines developed from minced neonate larvae of this insect. Level of infection in two cell lines, IPRI-OL-12 and IPRI-OL-13, was 65-90%, but in the other two, IPRI-OL...

journal_title：Intervirology

authors： Sohi SS,Percy J,Arif BM,Cunningham JC

更新日期：1984-01-01 00:00:00

abstract：:Human papillomavirus (HPV) DNA was isolated from a clinically diagnosed flat wart and proved to be related to HPV2. The isolate showed 55% cross-hybridization with HPV2a. A physical map of restriction enzyme cleavage sites differed completely from those of HPV2a and HPV2b. The new HPV2 subtype, which will be classifie...

journal_title：Intervirology

authors： Fuchs PG,Pfister H

更新日期：1984-01-01 00:00:00

abstract：:Human skin fibroblasts were previously shown to be resistant to coxsackie B4 virus infection. We have cultured fibroblasts from skin and lung tissues of donors of various ages. By a novel method for direct assay of virus absorption and penetration, we have shown that skin fibroblasts from young fetuses are susceptible...

journal_title：Intervirology

authors： Hornberger E,Plotkin SA

更新日期：1983-01-01 00:00:00

abstract：:Two closely related viruses were isolated from the blood of bovines near Darwin, Northern Territory, Australia. When studies of virus morphology indicated that these were rhabdoviruses, serologic studies were done. These isolates are closely related or identical and are related to, but distinct from, the rabies-relate...

journal_title：Intervirology

authors： Gard GP,Melville LF,Calisher CH,Karabatsos N

更新日期：1992-01-01 00:00:00

abstract：:Purified Junin virus was disrupted by nonionic detergent treatment (Triton X-100), and subviral components were separated by ultracentrifugation. Only the soluble fraction, containing all of the major glycoprotein (mol.wt. 38,000), induced the formation of neutralizing antibodies in laboratory animals and protected th...

journal_title：Intervirology

authors： Cresta B,Padula P,de Martinez Segovia M

更新日期：1980-01-01 00:00:00

abstract：:Monoclonal antibodies were used to study measles virus (Hallé strain) infections. The distribution of virus antigens in acutely and persistently infected cells was examined by immunofluorescence, and the synthesis of the virus polypeptides in acutely infected cells was measured after immunoprecipitation and analysis i...

journal_title：Intervirology

authors： Giraudon P,Gerald C,Wild TF

更新日期：1984-01-01 00:00:00

abstract：:Acute hemorrhagic conjunctivitis (AHC) virus strains isolated in eight different areas during epidemics of AHC were tested for the reproductive capacity at 33, 37 and 39 degrees. All of the 25 strains tested grew better at 33 degrees but restrictively at 39 degrees. The degree of temperature sensitivity varied slightl...

journal_title：Intervirology

authors： Miyamura K,Sasagawa A,Tajiri E,Kono R

更新日期：1976-01-01 00:00:00

abstract：BACKGROUND:Dengue virus is spread in tropical areas of the world and is the causative agent of dengue fever and dengue hemorrhagic fever. It is horizontally transmitted to humans by infected Aedes mosquitoes, but it is also able to be vertically or transovarially transmitted to insect progeny. OBJECTIVE:In this work, ...

journal_title：Intervirology

authors： Günther J,Martínez-Muñoz JP,Pérez-Ishiwara DG,Salas-Benito J

更新日期：2007-01-01 00:00:00

abstract：BACKGROUND:Human respiratory syncytial virus (RSV) infection in infancy and early childhood causes acute bronchiolitis and exacerbates bronchial asthma. Eosinophil infiltration may contribute to airway obstruction in RSV infection. OBJECTIVE:We hypothesized that RSV affects eosinophil function. METHODS:Eosinophil act...

journal_title：Intervirology

authors： Tachibana A,Kimura H,Kato M,Nako Y,Kozawa K,Morikawa A

更新日期：2002-01-01 00:00:00

abstract：OBJECTIVES:To characterize morphological, physicochemical and genomic features of a novel virulent coliphage which was isolated from an engineered Escherichia coli culture and termed engineered E. coli phage (EEP). METHODS AND RESULTS:Electron microscopy revealed that EEP has an icosahedral head (62 nm in diameter) an...

journal_title：Intervirology

authors： Li S,Liu L,Zhu J,Zou L,Li M,Cong Y,Rao X,Hu X,Zhou Y,Chen Z,Hu F

更新日期：2010-01-01 00:00:00

abstract：:Scrapie brain homogenate was mixed with mouse peritoneal macrophages in vitro. After 2 h of incubation at 37 degrees, a portion of the scrapie infectivity was associated with macrophages. In contrast, very little infectivity was associated with kidney cells that had been exposed to scrapie brain homogenate. After incu...

journal_title：Intervirology

authors： Carp RI,Callahan SM

更新日期：1981-01-01 00:00:00

abstract：BACKGROUND:Many efforts are currently focused on functional treatment of the hepatitis B virus (HBV). This can be done by suppressing the secretion of HBV surface antigen (HBsAg). Scientific communities are very interested in natural products in that respect. OBJECTIVE:Use of root extract of Havachoobe (Onosma dichroa...

journal_title：Intervirology

authors： Mohebbi A,Azadi F,Hashemi MM,Askari FS,Razzaghi N

更新日期：2020-12-15 00:00:00

abstract：:Human skin fibroblasts have previously been reported to display an age-dependent resistance to infection with coxsackie B4 virus. We have shown that the virus will replicate and produce CPE in human skin fibroblasts regardless of the age of the donor of the cells. The passage history of the virus was found to influenc...

journal_title：Intervirology

authors： Miller M,Harnett GB,Bucens MR

更新日期：1988-01-01 00:00:00

abstract：:XTrack, a rapid, cost-effective diagnostic HIV tropism system, yields predictive results and dissects virus mixtures. It is based on the duplexing of patient samples with selective DNA probes, combined with sequence-based analysis and replicative phenotyping for ambiguous samples. ...

journal_title：Intervirology

authors： Klimkait T

更新日期：2012-01-01 00:00:00

abstract：OBJECTIVE:We studied the ability of human cytomegalovirus (HCMV) to infect peripheral blood mononuclear cells (PBMC) pretreated with or without Th2-cytokine interleukin-4 (IL-4) in vitro. METHODS:Adherent cells and nonadherent cells were obtained from PBMC. We inoculated these cells with HCMV at concentrations ranging...

journal_title：Intervirology

authors： Kitajima H,Okubo Y,Honda J,Yonemitsu J,Yoshida N,Fumimori T,Oizumi K

更新日期：2001-01-01 00:00:00

abstract：OBJECTIVE:This study sought to investigate the presence of dengue virus binding proteins expressed on the surface of HepG2 cells and to determine if there were serotype specific differences in binding. METHODS:HepG2 cell membrane proteins were extracted and separated by SDS-PAGE, transferred to nitrocellulose membrane...

journal_title：Intervirology

authors： Jindadamrongwech S,Smith DR

更新日期：2004-01-01 00:00:00

abstract：:Poliovirus infection of either undifferentiated or differentiated U937 cells produced a decrease in the percentage of cells positive for the surface expression of the CD4, CD11c, CD14, or 8E11 antigens. The number of 4F2 surface molecules per cell increased in infected normal U937 cells, but was unaffected in differen...

journal_title：Intervirology

authors： López-Guerrero JA,Cabañas C,Bernabeu C,Fresno M,Alonso MA

更新日期：1991-01-01 00:00:00

abstract：:Studies of human papillomavirus (HPV) infection are hampered by the lack of an adequate culture system. The athymic mouse xenograft system permits propagation of HPV, but only a few HPV types have been grown in this manner. To produce an oncogenic type for studies of HPV pathogenesis, a condylomata acuminata lesion fr...

journal_title：Intervirology

authors： Bryan JT,Tekchandani J,Schroeder JM,Brown DR

更新日期：2000-01-01 00:00:00

abstract：:The interaction of Autographa californica nuclear polyhedrosis virus with two nonpermissive cell lines was investigated. The insect cell line, CP 169, and the Chinese hamster cell line, CHO-K1, were able to adsorb and engulf virus particles, but there was no evidence for viral replication in these cells based on virus...

journal_title：Intervirology

authors： Gröner A,Granados RR,Burand JP

更新日期：1984-01-01 00:00:00

abstract：:The replication of vaccinia virus in human hematopoietic cell lines was studied, to ascertain whether the cell type and the stage of differentiation can influence the outcome of the infection. Lymphocytic NB104 cells and myelogenous leukemic K562 cells can be productively infected with vaccinia. Whereas NB104 cells we...

journal_title：Intervirology

authors： Pogo BG,Lai AC,Holland JG,Friend C

更新日期：1988-01-01 00:00:00

abstract：:Cytomegalovirus infection of Brown Norway rats was studied after intraperitoneal or subcutaneous inoculation of virus. No clinical illness was apparent during the 1st month postinfection (p.i.). Low titers of virus were detected in many organs at day 4 p.i. for the intraperitoneally inoculated animals and at day 11 p....

journal_title：Intervirology

authors： Bruggeman CA,Meijer H,Bosman F,van Boven CP

更新日期：1985-01-01 00:00:00

abstract：OBJECTIVE:Because the determination of the stage of fibrosis depends on rather subjective judgment, more objective parameters are needed. In this study, we followed the long-term outcome, with monitoring of platelet counts, in patients with chronic hepatitis C or liver cirrhosis (LC) who had undergone interferon (IFN) ...

journal_title：Intervirology

authors： Moriyama M,Matsumura H,Aoki H,Shimizu T,Nakai K,Saito T,Yamagami H,Shioda A,Kaneko M,Goto I,Tanaka N,Arakawa Y

更新日期：2003-01-01 00:00:00

abstract：:Interferon induction in BSC-1 cells by measles virus isolates previously found to be interferon inducing (IF+) or interferon noninducing (IF-) was studied in different cell types. Lack of induction by the IF- viruses was not due to an inhibitory factor since BSC-1 cells coinfected with IF+ and IF- stocks produced inte...

journal_title：Intervirology

authors： McKimm-Breschkin JL,Rapp F

更新日期：1981-01-01 00:00:00

abstract：:In this study, 574 stool samples from children with gastroenteritis were obtained from different hospitals in Costa Rica, Honduras, Nicaragua and the Dominican Republic during 2005-2006. Diarrhea stool samples were analyzed for rotavirus by ELISA and typed by the RT-PCR-based method. Unusual strains were detected: G1P...

journal_title：Intervirology

authors： Bourdett-Stanziola L,Ortega-Barria E,Espinoza F,Bucardo F,Jimenez C,Ferrera A

更新日期：2010-01-01 00:00:00