Hepatitis B virus in Pakistan: a systematic review of prevalence, risk factors, awareness status and genotypes.

abstract：BACKGROUND:The use of sequence independent methods combined with next generation sequencing for identification purposes in clinical samples appears promising and exciting results have been achieved to understand unexplained infections. One sequence independent method, Virus Discovery based on cDNA Amplified Fragment Le...

journal_title：Virology journal

authors： Shaukat S,Angez M,Alam MM,Jebbink MF,Deijs M,Canuti M,Sharif S,de Vries M,Khurshid A,Mahmood T,van der Hoek L,Zaidi SS

更新日期：2014-08-12 00:00:00

abstract：BACKGROUND:This study aimed at reseaching the immune effect of porcine circovirus type 2 (PCV2) DNA vaccine containing CpG motif on mice. METHODS:A total of 40 6-week-old female BALB/c mice were randomly divided into four groups which were immunized by 18CpG-pVAX1-ORF2, pVAX1-ORF2, pVAX1 and PBS, respectively, and imm...

journal_title：Virology journal

authors： Li J,Yu J,Xu S,Shi J,Xu S,Wu X,Fu F,Peng Z,Zhang L,Zheng S,Yuan X,Cong X,Sun W,Cheng K,Du Y,Wu J,Wang J

更新日期：2016-11-14 00:00:00

abstract：BACKGROUND:Norovirus is one of the most common causes of nonbacterial gastroenteritis in humans. Rapid spread by contaminated food and person-to-person transmission through the fecal-oral route are characteristics of norovirus epidemiology and result in high morbidity in vulnerable patient populations. Therefore, detec...

journal_title：Virology journal

authors： Lee SG,Lee SH,Park SW,Suh CI,Jheong WH,Oh S,Paik SY

更新日期：2011-05-26 00:00:00

abstract：BACKGROUND:Cytomegalovirus (CMV) congenital infection is the major viral cause of well-documented birth defects in human. Because CMV is species-specific, the main obstacle to developing animal models for congenital infection is the difference in placental architecture, which preludes virus transmission across the plac...

journal_title：Virology journal

authors： Loh HS,Mohd-Lila MA,Abdul-Rahman SO,Kiew LJ

更新日期：2006-06-01 00:00:00

abstract：:The replication of porcine endogenous retrovirus (PERV) in human cell lines suggests a potential infectious risk in xenotransplantation. PERV isolated from human cells following cocultivation with porcine peripheral blood mononuclear cells is a recombinant of PERV-A and PERV-C. We describe two different recombinant PE...

journal_title：Virology journal

authors： Martin SI,Wilkinson R,Fishman JA

更新日期：2006-11-02 00:00:00

abstract：BACKGROUND:Myxoma virus is a member of the Poxviridae and causes disease in European rabbits. Laboratory confirmation of the clinical disease, which occurs in the autumn of most years in Denmark, has been achieved previously using antigen ELISA and electron microscopy. RESULTS:An unusually large number of clinically s...

journal_title：Virology journal

authors： Belsham GJ,Polacek C,Breum SØ,Larsen LE,Bøtner A

更新日期：2010-01-16 00:00:00

abstract：BACKGROUND:Host serine proteases are essential for the influenza virus life cycle because the viral haemagglutinin is synthesized as a precursor which requires proteolytic maturation. Therefore, we studied the activity and expression of serine proteases in lungs from mice infected with influenza and evaluated the effec...

journal_title：Virology journal

authors： Bahgat MM,Błazejewska P,Schughart K

更新日期：2011-01-20 00:00:00

abstract：:Presumptive phage particles associated with Xylella fastidiosa strain Temecula-1 grown in PW broth were observed by transmission electron microscopy (TEM) in ultrathin sections of bacterial cell-containing low speed centrifugation pellets and in partially purified preparations from CsCl equilibrium centrifugation dens...

journal_title：Virology journal

authors： Chen J,Civerolo EL

更新日期：2008-06-06 00:00:00

abstract：BACKGROUND:Recently, human leukocyte antigen (HLA) class-II gene polymorphisms have been reported to be related to Hepatitis C virus (HCV) infection and chronicity. The objective of this study was to explore the relationship of HLA-DP rs9277535 and HLA-DQ rs7453920 with the outcomes of HCV infection. METHODS:The rs927...

journal_title：Virology journal

authors： Huang P,Fan H,Tian T,Liao P,Li J,Yu R,Xia X,Feng Y,Wang J,Liu Y,Zhang Y,Yue M

更新日期：2017-12-06 00:00:00

abstract：BACKGROUND:To understand the prevalence and characteristics of human cytomegalovirus (HCMV) infection in children in the Weifang area, and to provide information for its prevention and treatment. METHODS:A comprehensive survey was performed from 2009 to 2012 in 7582 children from birth to 6 years of age hospitalized i...

journal_title：Virology journal

authors： Sun X,Liu Z,Wang B,Shi L,Liang R,Li L,Qian D,Song X

更新日期：2013-02-01 00:00:00

abstract：:Modified vaccinia virus Ankara (MVA) has become a promising vaccine vector due to its immunogenicity and its proven safety in humans. As a general approach for stringent and rapid selection of recombinant MVA, we assessed marker rescue of the essential viral D4R gene in an engineered deletion mutant that is fully repl...

journal_title：Virology journal

authors： Ricci PS,Schäfer B,Kreil TR,Falkner FG,Holzer GW

更新日期：2011-12-12 00:00:00

abstract：BACKGROUND:Human papillomavirus (HPV) has a causal role in cervical cancer with almost half a million new cases occurring each year. Presence of the carcinogenic HPV is necessary for the development of the invasive carcinoma of the genital tract. Therefore, persistent infection with carcinogenic HPV causes virtually al...

journal_title：Virology journal

authors： Angulo M,Carvajal-Rodríguez A

更新日期：2007-03-28 00:00:00

abstract：:During the outbreak of SARS in 2002/3, a prototype virus was isolated from a patient in Frankfurt/Germany (strain Frankfurt-1). As opposed to all other SARS-Coronavirus strains, Frankfurt-1 has a 45-nucleotide deletion in the transmembrane domain of its ORF 7b protein. When over-expressed in HEK 293 cells, the full-le...

journal_title：Virology journal

authors： Pfefferle S,Krähling V,Ditt V,Grywna K,Mühlberger E,Drosten C

更新日期：2009-08-24 00:00:00

abstract：BACKGROUND:Using a murine model of parainfluenza virus infection (mPIV1 or Sendai virus; SeV), we compared the inflammatory responses to lethal and sub-lethal infections in inbred DBA/2 mice. METHODS:Mice were intranasally inoculated with either 1.6×10(3) or 1.6×10(5) infectious units (IU) of SeV or diluent control. C...

journal_title：Virology journal

authors： Suryadevara M,Bonville CA,Rosenberg HF,Domachowske JB

更新日期：2013-12-21 00:00:00

abstract：BACKGROUND:Lymphocytes provide invaluable whistle blowers of changes due to infections. We use the information registered by these cells using their mRNAs as they encounter the pathogen to develop patterns of expression that correspond to that specific pathogen. Venezuelan equine encephalitis (VEE) is a mosquito-borne ...

journal_title：Virology journal

authors： Hammamieh R,Barmada M,Ludwig G,Peel S,Koterski N,Jett M

更新日期：2007-08-29 00:00:00

abstract：BACKGROUND/AIM:Hepatitis C virus (HCV) has been the subject of intense research and clinical investigation as its major role in human disease has emerged. HCV circulates in vivo as a complex population of different but closely related viral variants, commonly referred to as a quasispecies. The extent to which recombina...

journal_title：Virology journal

authors： Moreno MP,Casane D,López L,Cristina J

更新日期：2006-10-24 00:00:00

abstract：BACKGROUND:Human herpes virus 8 (HHV-8) is the etiologic agent associated with development of classical, AIDS-related, iatrogenic, and endemic Kaposi's sarcoma (KS). Several studies provide strong evidence that HHV-8 can be transmitted by blood transfusion. We evaluated the seroprevalence and potential risk factors of ...

journal_title：Virology journal

authors： Wang X,He B,Zhang Z,Liu T,Wang H,Li X,Zhang Q,Lan K,Lu X,Wen H

更新日期：2010-03-17 00:00:00

abstract：BACKGROUND:Highly pathogenic avian influenza virus (AIV) subtype H5N1 remains a threat to poultry. Duck enteritis virus (DEV)-vectored vaccines expressing AIV H5N1 hemagglutinin (HA) may be viable AIV and DEV vaccine candidates. METHODS:To facilitate the generation and further improvement of DEV-vectored HA(H5) vaccin...

journal_title：Virology journal

authors： Wang J,Ge A,Xu M,Wang Z,Qiao Y,Gu Y,Liu C,Liu Y,Hou J

更新日期：2015-08-13 00:00:00

abstract：BACKGROUND:Few studies have used quantitative polymerase chain reaction (qPCR) as an approach to measure virus neutralization assay endpoints. Its lack of use may not be surprising considering that sample nucleic acid extraction and purification can be expensive, labor-intensive, and rate-limiting. METHODS:Virus/antib...

journal_title：Virology journal

authors： Varada JC,Teferedegne B,Crim RL,Mdluli T,Audet S,Peden K,Beeler J,Murata H

更新日期：2013-06-15 00:00:00

abstract：OBJECTIVE:To determine HIV-1 RNA load during the third trimester of pregnancy and evaluate its effect on in utero and intra-partum/postpartum transmissions in a breastfeeding population. DESIGN:A nested case-control study within a PMTCT cohort of antiretroviral therapy naive pregnant women and their infants. METHODS:...

journal_title：Virology journal

authors： Duri K,Gumbo FZ,Kristiansen KI,Kurewa NE,Mapingure MP,Rusakaniko S,Chirenje MZ,Muller F,Stray-Pedersen B

更新日期：2010-08-02 00:00:00

abstract：BACKGROUND:Hepatitis C Virus (HCV) infected patients are frequently repeatedly exposed to the virus, but very few recombinants between two genotypes have been reported. FINDINGS:We describe the discovery of an HCV recombinant using a method developed in a United States clinical lab for HCV genotyping that employs sequ...

journal_title：Virology journal

authors： Bhattacharya D,Accola MA,Ansari IH,Striker R,Rehrauer WM

更新日期：2011-10-03 00:00:00

abstract：BACKGROUND:At the moment, there are a number of publications describing gene expression profiling in virus-infected plants. Most of the data are limited to specific host-pathogen interactions involving a given virus and a model host plant - usually Arabidopsis thaliana. Even though several summarizing attempts have bee...

journal_title：Virology journal

authors： Postnikova OA,Nemchinov LG

更新日期：2012-05-29 00:00:00

abstract：BACKGROUND:The recent 2009 (H1N1) influenza A pandemic saw a rapid spread of the virus to essentially all parts of the world. In the course of its evolution, the virus acquired many mutations, some of which have been investigated in the context of increased severity due to high occurrences in fatal cases. For example, ...

journal_title：Virology journal

authors： Lee RT,Santos CL,de Paiva TM,Cui L,Sirota FL,Eisenhaber F,Maurer-Stroh S

更新日期：2010-11-01 00:00:00

abstract：BACKGROUND:Human T-cell Leukemia Virus type 1 (HTLV-1) is the etiological agent of tropical spastic paraparesis/HTLV-associated myelopathy (HAM/TSP) that can be identified in around 0.25%-3.8% of the infected population. Disease progression can be monitored by the proviral load and may depend on genetic factors, howeve...

journal_title：Virology journal

authors： Mota-Miranda AC,Barreto FK,Amarante MF,Batista E,Monteiro-Cunha JP,Farre L,Galvão-Castro B,Alcantara LC

更新日期：2013-03-06 00:00:00

abstract：BACKGROUND:The UL54 protein of Duck Enteritis Virus (DEV) is a homolog of herpes simplex virus-1 (HSV-1) immediate-early infectious cell protein 27 (ICP27), a multifunctional protein essential for viral infection. Nonetheless, there is little information on the UL54 protein of DEV. METHODS:The UL54 gene was cloned int...

journal_title：Virology journal

authors： Liu C,Cheng A,Wang M,Chen S,Jia R,Zhu D,Liu M,Sun K,Yang Q,Chen X

更新日期：2015-11-25 00:00:00

abstract：BACKGROUND:Understanding how an organism replicates and assembles a multi-segmented genome with fidelity previously measured at 100% presents a model system for exploring questions involving genome assortment and RNA/protein interactions in general. The virus family Reoviridae, containing nine genera and more than 200 ...

journal_title：Virology journal

authors： Roner MR,Roehr J

更新日期：2006-01-03 00:00:00

abstract：BACKGROUND:Most of the non-B HIV-1 subtypes are predominant in Sub-Saharan Africa and India although they have been found worldwide. In the last decade, immigration from these areas has increased considerably in Spain. The objective of this study was to evaluate the prevalence of non-B subtypes circulating in a cohort ...

journal_title：Virology journal

authors： de Felipe B,Pérez-Romero P,Abad-Fernández M,Fernandez-Cuenca F,Martinez-Fernandez FJ,Trastoy M,Mata Rdel C,López-Cortés LF,Leal M,Viciana P,Vallejo A

更新日期：2011-08-26 00:00:00

abstract：BACKGROUND:Pear ring rot, caused by Botryosphaeria species, is responsible for substantial economic losses by causing severe recession of pear tree growth in China. Mycovirus-mediated hypovirulence in plant pathogenic fungi is a crucial biological method to control fungal diseases. METHODS:We conducted a large-scale a...

journal_title：Virology journal

authors： Wang L,Luo H,Hu W,Yang Y,Hong N,Wang G,Wang A,Wang L

更新日期：2018-08-13 00:00:00

abstract：:This study describes the prevalence of culture-positive adenovirus serotypes in culture-positive respiratory specimens sent to the Central Public Health Laboratory, Toronto, Ontario, Canada for the period September 2007-June 2008. Total nucleic acid was extracted from virus cultures using an automated extraction metho...

journal_title：Virology journal

authors： Yeung R,Eshaghi A,Lombos E,Blair J,Mazzulli T,Burton L,Drews SJ

更新日期：2009-01-26 00:00:00

abstract：BACKGROUND:The viral genome of hepatitis C virus constitutes a 9.6-kb single-stranded positive-sense RNA which encodes altogether 11 viral proteins. In order to study the humoral immune responses against different HCV proteins in patients suffering from chronic HCV infection, we produced three structural (core, E1 and ...

journal_title：Virology journal

authors： Sillanpää M,Melén K,Porkka P,Fagerlund R,Nevalainen K,Lappalainen M,Julkunen I

更新日期：2009-06-23 00:00:00