نتایج جستجو برای: hbv dna

تعداد نتایج: 517414  

2015
Ji-shun Zheng Meng-meng Chen Hai-fei Yang Xiang-tian Zhou Yan-yan Liu Jia-bin Li

BACKGROUND Serum hepatitis B virus (HBV) DNA and hepatitis B e antigen (HBeAg) liver function in patients with chronic hepatitis B (CHB) are significantly associated. A comparison of clinical significance of fecal HBV DNA and serum HBV DNA has not yet been reported. MATERIAL AND METHODS Stool and serum samples were collected from 66 patients with CHB. Fecal HBV DNA, serum HBV DNA, and intestina...

Journal: :journal of medical microbiology and infectious diseases 0
vijayalakshmi payala gimsr, gitam university sreedevi hanumantha gimsr, gitam university pilli hema prakash kumari gimsr, gitam university

introduction: occurrence of detectable amounts of viral antigen or viral particles in the blood of infected patients with hepatitis b virus (hbv) is a significant characteristic of hbv infection. detection of hbv antigen or its dna among individuals of a community is a crucial factor to know the burden of hbv infection. hepatitis b surface antigen (hbsag) is a suitable marker of hbv infection b...

Journal: :Intervirology 2011
Ioannis S Elefsiniotis Miltos Papadakis George Vlachos Elena Vezali Konstantinos Tsoumakas George Saroglou Aristidis Antsaklis

Spontaneous preterm birth is the leading cause of perinatal morbidity and mortality. In this study the spontaneous preterm birth rates in a group of hepatitis B e antigen (HBeAg)-negative chronic hepatitis B virus (HBV)-infected pregnant women without known risk factors for preterm delivery as well as the role of maternal laboratory data and hepatitis B surface antigen/HBV deoxyribonucleic acid...

A. Behzad-Behbahani A. Mafi-Nejad A. Torab A.R. Salah B. Pourabbas K.B. Lankarani M. Rashidi M. Rasouli S.Z. Tabei

Background: In spite of available, and sensitive screening assay for detection of hepatitis B virus surface antigen (HBsAg), occasional cases of post-transfusion hepatitis B virus infection are still observed. The aim of the present study was to assess the prevalence of positive anti hepatitis B core (anti-HBc) and presence of HBV-DNA in serum sample of healthy blood donors negative for both HB...

Journal: :Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2015
Shigeru Kusumoto Yasuhito Tanaka Ritsuro Suzuki Takashi Watanabe Masanobu Nakata Hirotaka Takasaki Noriyasu Fukushima Takuya Fukushima Yukiyoshi Moriuchi Kuniaki Itoh Kisato Nosaka Ilseung Choi Masashi Sawa Rumiko Okamoto Hideki Tsujimura Toshiki Uchida Sachiko Suzuki Masataka Okamoto Tsutomu Takahashi Isamu Sugiura Yasushi Onishi Mika Kohri Shinichiro Yoshida Rika Sakai Minoru Kojima Hiroyuki Takahashi Akihiro Tomita Dai Maruyama Yoshiko Atsuta Eiji Tanaka Takayo Suzuki Tomohiro Kinoshita Michinori Ogura Masashi Mizokami Ryuzo Ueda

BACKGROUND There is no standard management of reactivation of hepatitis B virus (HBV) infection in HBV-resolved patients without hepatitis B surface antigen (HBsAg), but with antibodies against hepatitis B core antigen and/or antibodies against HBsAg (anti-HBs). METHODS We conducted a prospective observational study to evaluate the occurrence of HBV reactivation by serial monthly monitoring o...

Journal: :Calabar Journal of Wealth Science 2022

Hepatitis B virus (HBV) infection remains a global public health challenge with an estimated 257 million people in 2015 living as chronic carriers. Sub-Saharan Africa has the second largest burden of these carriers HBV infection. Children sickle cell anemia (HBSS) are prone to recurrent blood transfusion attendant risk blood-borne diseases including hepatitis There several studies Nigeria on pr...

Journal: :Journal of medical virology 1995
R E Lanford M G Michaels D Chavez K Brasky J Fung T E Starzl

The presence of hepatitis B virus (HBV) DNA in extrahepatic tissues has been well documented. Whether HBV DNA can persist in extrahepatic tissues for long periods of time in the absence of replication in the liver has not been determined previously. Recently, two patients with end-stage liver disease secondary to chronic active HBV were treated with baboon liver xenotransplants as these animals...

Journal: :Hepatitis Monthly 2023

Background: Entecavir (ETV) has been widely used in the clinical treatment of Hepatitis B Virus (HBV). However, whether ETV is helpful recovery T cell immune function remains unclear. Objectives: We aimed to assess effects on serum HBV-DNA, interferon-γ (IFN-γ), and pregenomic RNA (pgRNA) patients with infection. Methods: The data 300 HBV admitted from January 2017 2019 were retrospectively ana...

جعفرزاده, عبداله, حسن‌شاهی, غلامحسین‌, رضازاده زرندی, ابراهیم, شمسی‌زاده, علی, مقدم, شکوفه, پورفتح‌اله, علی‌اکبر, کاظمی عرب‌آبادی, محمد, دانشمندی, سعید ,

چکیده مقدمه: عفونت نهفته هپاتیت B شکلی بالینی از هپاتیت B است که در آن فرد به‌رغم HBsAg منفی، HBV-DNA در خون محیطی دارد. هنوز علت این‌که این دسته بیماران قادر به پاکسازی کامل ویروس از بدن نیستند به طور کامل مشخص نشده‌است. به نظر می‌رسد تفاوت‌های ژنتیک و ایمونولوژی در این مورد سهم عمده‌ای داشته باشند و از جمله مواردی که پاسخ ایمنی علیه ویروس‌ها را تغییر می‌دهد سیستم سیتوکین است. IL-4 سیتوکینی ا...

2018
Surbhi Jain Ying-Hsiu Su Yih-Ping Su Sierra McCloud Ruixia Xue Tai-Jung Lee Shu-Chuan Lin Selena Y. Lin Wei Song Jamin D. Steffen Chi-Tan Hu

BACKGROUND Detection of human hepatitis B virus (HBV) DNA in the urine of patients with chronic hepatitis B infection (CHB) has been reported previously, suggesting urine could provide a potential route of horizontal HBV transmission. However, it is not clear whether the HBV DNA detected in urine is indeed full-length, infectious viral DNA. The aim of this study is to assess the potential infec...

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