نتایج جستجو برای: chronic hepatitis b virus infection

تعداد نتایج: 1953197  

Journal: :iranian journal of virology 0
s rostami department of biology, faculty of sciences, ferdowsi university of mashhad, mashhad, iran mt shakeri department of biostatistics, public health school, mashhad university of medical sciences, mashhad, iran m ghayour-mobarhan biochemistry of nutritional research center, faculty of medicine, mashhad university of medical sciences, mashhad, iran h nomani microbiology and virology research center, mashhad university of medical sciences, mashhad, iran s sepahi department of chemistry, faculty of sciences, ferdowsi university of mashhad, mashhad, iran s gerayli department of biology, faculty of sciences, ferdowsi university of mashhad, mashhad, iran

background and aims: many studies have provided evidence for the role of hepatitis b and c viruses in the development of liver cancer. although the routine treatment is available for both conditions, no definite guideline is available to treat patients dually infected with hbv and hcv. this study was performed to determine the frequency of hbv/hcv-coinfection in mashhad, north-east of iran. mat...

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...

Ghanbari Matlob, M., Sharifi, Z.,

Abstract Background and Objectives Hepatitis B virus (HBV) infection remains a serious global health challenge. Hepatitis B infection is one of the major diseases transmitted by blood transfusion. Infection with the virus can cause extensive liver damage.  So far, 10 genotypes have been identified for hepatitis B. The aim of this study was to do Hepatitis B virus genotyping in asymptomatic HBV...

Journal: :hepatitis monthly 0
mahsa motavaf department of molecular hepatology, middle east liver disease center (meld), tehran, ir iran saeid safari department of molecular hepatology, middle east liver disease center (meld), tehran, ir iran; department of anesthesiology and pain medicine, tehran university of medical sciences, tehran, ir iran seyed moayed alavian department of molecular hepatology, middle east liver disease center (meld), tehran, ir iran; baqiyatallah research center for gastroenterology and liver diseases, baqiyatallah university of medical sciences, tehran, ir iran; baqiyatallah research center for gastroenterology and liver diseases, baqiyatallah university of medical sciences, tehran, ir iran. tel: +98-2188945186, fax: +98-2188945188

results findings showed that the genotype -607a/a is associated with the susceptibility to chronic hepatitis b. furthermore, allele c at position -137 is suggested to play a protective role against development of chronic hbv infection. conclusions host genetic factors play an important role in determining the outcome of hbv infection. it is suggested that il-18 genotype -607 a/a is associated w...

N Valizadeh, Y Rezaei,

Literature review shows that hepatitis C infection may increase the risk of non-hodgkin lymphoma. Reactivation of hepatitis B infection has been reported in patients with hairy cell leukemia after chemotherapy and/or splenectomy. We present hepatitis B surface (HBs) antigenemia and concurrent hepatitis C virus (HCV) seropositivity in a case of hairy cell leukemia. Key Words: Hairy cell leukemi...

حاتمی, یاسین, روانشاد, مهرداد, زالی, محمدرضا, صالحی, مجتبی, عظیم زاده, پدرام, محبی, سید رضا, کارخانه, مریم, کشاورز پاک سرشت, بهتا,

Background and purpose: Cytokines are a group of endogenous proteins which play an influential role in regulating the inflammatory responses and defeating infectious diseases. Elevated levels of proinflammatory cytokines and their receptors are usually observed in association with immune responses against viral infections such as hepatitis B virus (HBV) infection. IL 12 and its receptor play an...

Journal: :hepatitis monthly 0
farah bokharaei salim department of virology, iran university of medical sciences, tehran, ir iran; department of virology, iran university of medical sciences, tehran, ir iran. tel/fax: +98-2188602205 hossein keyvani department of virology, iran university of medical sciences, tehran, ir iran seyed hamidreza monavari department of virology, iran university of medical sciences, tehran, ir iran maryam esghaei department of virology, iran university of medical sciences, tehran, ir iran shahin fakhim department of civil engineering, faculty of engineering, payame noor university, karaj, ir iran angila ataei pirkooh department of virology, iran university of medical sciences, tehran, ir iran

conclusions the main and frequent hbv genotype among azerbaijani patients with chronic hepatitis b virus infection was genotype d followed by genotype a. results the mean age of patients was 35.9 ± 11.7 years (19-66). of 103 patients, 72 (69.9%) were male. in the present study, the predominant hbv genotype was d (93.2%) followed by genotype a (5.8%) and concurrent infection with a and d genotyp...

Introduction: Hepatitis D virus (HDV) is a 35 nm in diameter agent that depends on hepatitis B surface antigen in order to proliferate and accumulate. Infection with delta agent can occur spontaneously with hepatitis B virus infection and it cause acute hepatitis or develop as secondary infection in the patients with hepatitis B. Hepatitis D virus (HDV) has several genotypes based on genome seq...

Background: The household transmission of hepatitis B virus (HBV) is a major health problem. High incidence of HBV infection is observed within the household contacts of HBV carriers. We aimed to evaluate serological markers of hepatitis B infection among family members of HBV carriers in Arak, central Iran. Methods<stron...

Amith Holenarasipur Vasanthakumar, Audrey Madonna D’Cruz

BACKGROUND AND AIM: Hepatitis B Virus (HBV), a DNA virus with a human-only reservoir, is a worldwide public health problem. Approximately 45.0% of the world’s population is considered to live in areas of high endemicity with a lifetime risk of infection of more than 60.0%. The present study aimed to assess the level of understanding and awareness about Hepatitis B immunization among the first a...

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