نتایج جستجو برای: seroconversion

تعداد نتایج: 4073  

Journal: :iranian journal of virology 0
s shokri department of human viral vaccines, razi vaccine and serum research institute, karaj, iran mk shahkarami department of human viral vaccines, razi vaccine and serum research institute, karaj, iran a shafyi department of human viral vaccines, razi vaccine and serum research institute, karaj, iran a mohammadi department of human viral vaccines, razi vaccine and serum research institute, karaj, iran f esna-ashari department of human viral vaccines, razi vaccine and serum research institute, karaj, iran a hamta department of biostatistics, faculty of medical science, tarbiat modares university, tehran, iran

background and aims: rubella is a contagious viral disease mostly with mild clinical symptoms and often remains undiagnosed. rubella infection may adversely affect pregnancy, especially in the first trimester and this mother to child transmission can cause congenital rubella and may be lead to permanent disability and mortality in children. effective rubella vaccine should be prepared using sui...

Journal: :European Journal of Immunology 2021

HBV vaccination is recommend for hemodialysis patients, but only 50–60% of the patients show seroconversion. vaccine-induced generation reactive T and B cells could be detected regardless their capacity to mount a serological response, indicating that without seroconversion are potentially protected by HBV-reactive cell pool.

Journal: :Epidemiology and infection 2003
F Tyrer A S Walker J Gillett K Porter

Seroconversion illness is known to be associated with more rapid HIV disease progression. However, symptoms are often subjective and prone to recall bias. We describe symptoms reported as seroconversion illness and examine the relationship between illness, HIV test interval (time between antibody-negative and anibody-positive test dates) and the effect of both on time to AIDS from seroconversio...

2017
Tongjing Xing Hongtao Xu Lin Cao Maocong Ye

BACKGROUND HBeAg seroconversion is an important intermediate outcome in HBeAg-positive chronic hepatitis B (CHB) patients. This study aimed to compare the effect of nucleos(t)ide analogs (NAs) on HBeAg seroconversion in treating CHB with lamivudine, adefovir, telbivudine, entecavir, and tenofovir. METHODS Network meta-analysis of NA treatment-induced HBeAg seroconversion after 1-2 years of tr...

2015
Mariam Aziz Fareeha Mahmood Mariana Mata Helen G Durkin Chenglong Liu Ruth M Greenblatt Marek Nowicki Elizabeth T Golub Kathryn Anastos Audrey L French Linda L Baum

BACKGROUND We measured antibody-dependent cell mediated cytotoxicity (ADCC) activity in serum and genital fluids of heterosexually exposed women during HIV seroconversion. METHODS Plasma and cervico-vaginal lavage (CVL) fluid from 11 seroconverters (SC) were analyzed biannually from one year pre- to 6 year post-seroconversion using a 51Cr-release assay to measure HIV-1 gp120 specific ADCC. ...

Journal: :nephro-urology monthly 0
baris afsar department of medicine, division of nephrology, konya numune state hospital, konya, turkey; department of nephrology, konya numune state hospital, 42060, konya, turkey. tel: +90-3322354500, fax: +90-33223567

conclusions epo resistance was negatively associated with anti-hbs levels and seroconversion. more studies are needed to highlight the underlying mechanisms regarding epo resistance and response to hbv vaccination in hd patients. results in total 97 patients were enrolled. for the entire group, stepwise linear regression analysis revealed that square root transformed anti-hbs levels were indepe...

2011
Wen-cong Li Mao-rong Wang Ling-bo Kong Wei-guang Ren Yu-guo Zhang Yue-min Nan

BACKGROUND Interferon alpha (IFNα) therapy has been widely used in the treatment of chronic hepatitis B (CHB) for decades. Nucleos(t)ide analogues are also increasingly used to treat CHB recently. More and more studies are being carried out concerning the clearance or seroconversion of HBsAg, which is recognized as an ideal goal of CHB therapy. This study conducted a meta-analysis to estimate t...

2014
Ming-Hua Zheng Wai-Kay Seto Ke-Qing Shi Danny Ka-Ho Wong James Fung Ivan Fan-Ngai Hung Daniel Yee-Tak Fong John Chi-Hang Yuen Teresa Tong Ching-Lung Lai Man-Fung Yuen

BACKGROUND & AIMS Hepatitis B surface antigen (HBsAg) seroclearance and seroconversion are regarded as favorable outcomes of chronic hepatitis B (CHB). This study aimed to develop artificial neural networks (ANNs) that could accurately predict HBsAg seroclearance or seroconversion on the basis of available serum variables. METHODS Data from 203 untreated, HBeAg-negative CHB patients with spon...

Journal: :The Journal of infectious diseases 1996
O S Levine D Vlahov R Brookmeyer S Cohn K E Nelson

Both hepatitis B virus (HBV) and human immunodeficiency virus (HIV) type 1 seroconversions have been considered as outcome measures to evaluate the effectiveness of needle exchange programs. To assess the relationships between incident HBV and HIV infections among injecting drug users (IDUs), seroconversions were prospectively studied among a cohort of 240 HBV- and HIV- seronegative IDUs. The i...

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