نتایج جستجو برای: chronic hbv

تعداد نتایج: 505812  

Journal: :iranian journal of allergy, asthma and immunology 0
fatemeh ramezani hepatitis b molecular laboratory, department of virology, school of public health, tehran university of medical sciences, tehran, iran mehdi norouzi hepatitis b molecular laboratory, department of virology, school of public health, tehran university of medical sciences, tehran, iran gholam reza sarizade khoozestan province blood trasfusion, ahvaz, iran vahdat poortahmasebi hepatitis b molecular laboratory, department of virology, school of public health, tehran university of medical sciences, tehran, iran ebrahim kalantar gholhak medical laboratory, tehran, iran lars magnius virological department, swedish institute for infectious disease control, solna, sweden

mutations in the human hepatitis b virus (hbv) genome contribute to its escape from host immune surveillance and result in persistent infections. the aim of this study was to characterize the molecular variations of the surface gene and protein in chronically-infected patients from the southern part of iran. the  surface  genes  from  12  hbv  chronic  carriers  were  amplified, sequenced  and ...

Journal: :iranian journal of virology 0
a ghaziasadi hepatitis b molecular laboratory, department of virology, school of public health, tehran university of medical sciences, tehran, iran m ziai department of internal medicine, birjand university of medical sciences, birjand, iran m norouzi department of internal medicine, birjand university of medical sciences, birjand, iran r malekzadeh digestive disease research center, shariati hospital, tehran, iran sm alavian baqiyatallah university of medical sciences, baqiyatallah research centre for gastroenterology and liver disease, tehran, iran m judaki hepatitis b molecular laboratory, department of virology, school of public health, tehran university of medical sciences, tehran, iran

background and aims: the aim of this study was to determine the correlation between the hepatitis b virus surface ag (hbsag) genotypes and variations in the clinical/serological pictures among hbsag positive chronic patients from south khorasan province of iran. methods: twenty-five patients were enrolled in this study. the hbs ag gene was amplified and was directly sequenced. genotypes and nuc...

Journal: :گوارش 0
satar jafari mohsen nasiri toosi hossien forutan naser ebrahimi dariani hadi ghofrani mohammad jafar farahvash

â background: hepatitis b is still a major health problem in many parts of the world. in some developing countries the most common cause of chronic hepatitis and liver cirrhosis is hepatitis b virus (hbv). the progression of chronic hepatitis b to cirrhosis andâ  hepatocellular carcinoma (hcc) include such viral factors as genotype c and high levels of serum hbv dna in addition to host factors ...

ژورنال: :iranian red crescent medical journal 0
vahid mirzaee department of internal medicine, faculty of medicine, rafsanjan university of medical sciences, rafsanjan, ir iran; department of internal medicine, faculty of medicine, rafsanjan university of medical sciences, rafsanjan, ir iran, tel: +98-39182200019, fax: +98-03918220022 jahanbano shahriari hematology laboratory, bahonar hospital, kerman university of medical sciences, kerman, ir iran masomeh hajghani hematology laboratory, bahonar hospital, kerman university of medical sciences, kerman, ir iran

background: ccr5 is a receptor for ccl3 (mip-1 α), ccl4 (mip-1 α) and ccl5 (regulated on activation normal t cell expressed and secreted (rantes)) and play important roles in recruitment of nk cells to the hbv infected liver. objectives: the main purpose of this study was to investigate the expression levels of ccr5 on the nk cells and also serum levels of rantes in chronic hbv infected (chi) p...

مجدزاده, رضا, پورالعجل, جلال,

Background and Objectives: Hepatitis B virus (HBV) infection is a major public health problem worldwide. Islamic Republic of Iran is located in mesoendemic region (prevalence 2%-7%). The aim of this study was to assess prevalence of chronic HBV in Iran according to demographic characteristics. Methods: Medline, Embase, Science Citation Index Expanded, Ovid, Google Scholar, IranMedex, SID, Ma...

Journal: :Gut microbes 2021

The gut microbiota in the hepatitis B virus related acute-on-chronic liver failure (HBV-ACLF) is poorly defined. We aim to uncover characteristics of HBV-ACLF and other HBV associated pathologies. analyzed microbiome patients with or pathologies healthy individuals by 16S rRNA sequencing metagenomic fecal samples. 212 HBV-ACLF, 252 chronic (CHB), 162 HBV-associated cirrhosis (HBV-LC) 877 were r...

Journal: :hepatitis monthly 0
ileana constantinescu immunology of transplantation discipline, faculty of medicine, carol davila university of medicine and pharmacy, bucharest, romania; center for immunogenetics and virology, fundeni clinical institute, bucharest, romania; centre for immunogenetics and virology, fundeni clinical institute, bucharest, romania. tel: +40-744341984, fax: +40-213180448 andrei-antoniu dinu center for immunogenetics and virology, fundeni clinical institute, bucharest, romania voicu boscaiu “gheorghe mihoc-caius iacob” institute of statistics and applied mathematics, bucharest, romania marius niculescu colentina clinical hospital, bucharest, romania

conclusions genotype d was the main genotype detected in romanian patients with chronic hbv infection. genotype d presented both bcp and pc mutations more frequently. results we detected two hbv genotypes; a (8.1%) and d (60.5%), and a mixture of genotypes a and d (31.4%) (p < 0.001). basal core promoter (bcp) a1762t/g1764a and precore (pc) g1896a mutations were detected in these romanian patie...

Journal: :hepatitis monthly 0
soheil tavakolpour infectious diseases and tropical medicine research center, shahid beheshti university of medical sciences, tehran, ir iran shahnaz sali infectious diseases and tropical medicine research center, shahid beheshti university of medical sciences, tehran, ir iran; infectious diseases and tropical medicine research center, shahid beheshti university of medical sciences, tehran, ir iran. tel: +98-9123067784, fax: +98-2122546026 latif gachkar infectious diseases and tropical medicine research center, shahid beheshti university of medical sciences, tehran, ir iran

Journal: :hepatitis monthly 0
zahra heidari infectious diseases and tropical medicine research center, zahedan university of medical sciences, zahedan, iran; department of histology, school of medicine, zahedan university of medical sciences, zahedan, iran bita moudi infectious diseases and tropical medicine research center, zahedan university of medical sciences, zahedan, iran; department of histology, school of medicine, zahedan university of medical sciences, zahedan, iran; department of histology, school of medicine, zahedan university of medical sciences, zahedan, iran. tel: +98-5433295794, fax: +98-5433295794 hamidreza mahmoudzadeh sagheb infectious diseases and tropical medicine research center, zahedan university of medical sciences, zahedan, iran; department of histology, school of medicine, zahedan university of medical sciences, zahedan, iran mehrnoosh moudi department of biology, science and research branch, islamic azad university, tehran, iran

conclusions the results indicated that there was a positive association between susceptibility to chronic hbv infection and tnf-α polymorphism. in addition, hbv patients carrying -308 gg, -857 cc, and -863 aa genotypes with lower serum levels of tnf-α had an increased risk of infection. background the host genetic background regulates the natural history of chronic hepatitis b virus (hbv) infec...

Mohammad Jafar Soleimani Amiri, Mohammad Reza Hasanjani Roushan, Shima Soleimani Amiri,

Background: To determine the possible sources for the transmission of Hepatitis B Virus (HBV) infection to children in Babol, North of Iran.Methods: Forty-five boys and 35 girls with the mean age of 9.2±5.1 years were evaluated from 1993 to 2004. Hepatitis B viral markers in all the family members were assessed. The risk factors for other sources were also determined.Results: Sixty-five (81.3%)...

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