نتایج جستجو برای: hbv

تعداد نتایج: 13835  

Journal: :Frontiers in virology 2022

Background Chronic hepatitis B virus (HBV) infection is a global health threat for which there an urgent need to develop novel therapeutics. Methods Aurintricarboxylic acid (ATA) has been demonstrated with broad-spectrum antimicrobial and antiviral activities. In this study, we implemented ATA treatment in HBV-infected HBV-transfected hepatocytes uncover whether inhibits HBV replication its und...

Journal: :Iranian Journal of Medical Microbiology 2022

Evaluation of miRNA-122, miRNA-149, miRNA-199a, and miRNA- let7 Expression in HIV, HBV, HIV-HBV Co-infected Patients

ژورنال: Medical Laboratory Journal 2009
Abbasi, S, Arab, M, Bani Aghil, S S, Seyedein, M S,

Abstract Background and objectives: Hepatitis C virus (HCV), Human immuno deficiency virus (HIV) and Hepatitis B Virus (HBV) are the three main agents of Communicable disorders transmitted by blood transfusion. The survey of these virus-caused infections in Blood donors can display epidemiology of infections in province and be useful for evaluating donors’ health. The aim of this study wa...

Journal: :iranian journal of allergy, asthma and immunology 0
azam ghaziasadi hepatitis b molecular laboratory, department of virology, school of public health, tehran university of medical sciences, tehran, iran seyed moayed alavian baqiyatallah university of medical sciences, baqiyatallah research centre for gastroenterology and liver disease, tehran, iran mahdi norouzi hepatitis b molecular laboratory, department of virology, school of public health, tehran university of medical sciences, tehran, iran zeinab fazeli hepatitis b molecular laboratory, department of virology, school of public health, tehran university of medical sciences, tehran, iran seyed mohammad jazayeri hepatitis b molecular laboratory, department of virology, school of public health, tehran university of medical sciences, tehran, iran

hepatitis b vaccination is safe and effective, although breakthrough infection occasionally occurs in those who receive the vaccine and hepatitis b immunoglobulin (hbig) prophylaxis. sequence variation in their antigenic regions is one of the most powerful strategies that are used by viruses to escape recognition by b and t cell-mediated immune responses. the aim of this study was to explore th...

Journal: :iranian journal of virology 0
hossein keyvani department of virology, iran university of medical sciences, tehran, iran fatemeh ramezani hepatitis b molecular laboratory-department of virology-school of public health-tehran university of medical sciences, tehran, iran seyem mohamad jazayeri hepatitis b molecular laboratory-department of virology-school of public health-tehran university of medical sciences, tehran, iran seyed hamid reza monavari department of virology, iran university of medical sciences, tehran, iran farah bokharaei-salim department of virology, iran university of medical sciences, tehran, iran seyed moayed alavian middle east liver diseases center (meld centers) tehran, iran

abstract background: naturally occurred hepatitis b virus (hbv) with surface mutations in a variety of chronic hepatitis b (chb) patients who have received no vaccine or hbig bearing substitutions in surface protein, have been reported. objectives: current knowledge concerning the prevalence of these naturally occurring surface antigen mutations among iranian carriers is limited. patients and m...

Journal: :middle east journal of digestive diseases 0
zahra shokrgozar sirous tayebi zarrin minucheher ashraf mohamadkhani

background: the association between hepatitis b virus (hbv) mutations and hepatocarcinogenesis were reported in the literature. preference for g over c in the leading dna strand has been reported to account for the asymmetry in nucleotide (nt) composition. the aim of this study was to analyze the complete genome sequence and compositional asymmetry of hbv in different stages of hepatitis b. met...

Journal: :Intervirology 2007
L V Sánchez Y Tanaka M Maldonado M Mizokami A Panduro

BACKGROUND Hepatitis B virus (HBV) has been classified in eight genotypes, from A to H (HBV/A to HBV/H). HBV genotypes were determined in two groups with different risk factors. METHODS Group I consisted of 42 patients with chronic and acute hepatitis and group II with 25 men who have sex with men (MSM). HBV genotypes were determined by DNA sequencing of the S-gene. RESULTS Both groups diff...

Journal: :Brazilian Journal of Biology 2022

Abstract Hepatitis B virus infection is perilous among the five types of Hepatitis, as it remains clinically asymptomatic. The present study draws up-to-date prevalence (HBV) in general population Mardan, Khyber Pakhtunkhwa Pakistan. blood samples from 4803 individuals including 2399 male and 2404 females were investigated. All suspected analyzed for hepatitis surface antigen using Immuno-chrom...

Background: Hepatitis B virus (HBV) and hepatitis C virus (HCV) infections are the main causes of severe liver failure worldwide. This study was conducted to evaluate the incidence rate and trend of these infections over six successive years from 2008 to 2013 in Ilam Province, western Iran. Methods: We studied the registered data of HBV and HCV based on the National Notifiable Diseases Surveil...

Journal: :Jundishapur Journal of Microbiology 2022

Background: Infection with hepatitis B, C, and delta viruses (HBV/HCV/HDV) caused by mother-to-child transmission (MTCT) is still a serious health problem worldwide. Coinfection HBV/HDV or HCV has been shown to accelerate the progression of chronic HBV infection, resulting in higher mortality. Objectives: The aim this study was evaluate prevalence anti-HCV, anti-HDV, anti-HIV antibodies mothers...

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