Results 21 to 30 of about 2,847,915 (169)

Depleting hepatitis B virus relaxed circular DNA is necessary for resolution of infection by CRISPR-Cas9

open access: yesMolecular Therapy: Nucleic Acids, 2023
CRISPR-Cas9 systems can directly target the hepatitis B virus (HBV) major genomic form, covalently closed circular DNA (cccDNA), for decay and demonstrate remarkable anti-HBV activity.
Dmitry Kostyushev   +19 more
doaj   +1 more source

Gene Editing Technologies to Target HBV cccDNA

open access: yesViruses, 2022
Hepatitis B virus (HBV) remains a significant cause of mortality and morbidity worldwide, since chronic HBV infection is associated with elevated risk of cirrhosis and hepatocellular carcinoma.
Maria Guadalupe Martinez   +5 more
doaj   +1 more source

Duck Hepatitis B Virus cccDNA Amplification Efficiency in Natural Infection Is Regulated by Virus Secretion Efficiency. [PDF]

open access: yesPLoS ONE, 2015
Previous mutation based studies showed that ablating synthesis of viral envelope proteins led to elevated hepadnaviral covalently closed circular DNA (cccDNA) amplification, but it remains unknown how cccDNA amplification is regulated in natural ...
Yong-Yuan Zhang
doaj   +1 more source

Requirement of cyclin-dependent kinase function for hepatitis B virus cccDNA synthesis as measured by digital PCR

open access: yesAnnals of Hepatology, 2020
Introduction and objectives: HBV covalently closed circular (ccc) DNA is the key player in viral persistence and an important predictive biomarker for hepatitis relapse.
Ching-Yu Bao   +5 more
doaj   +1 more source

Research progress in hepatitis B virus covalently closed circular DNA

open access: yesCancer Biology & Medicine, 2022
Hepatitis B virus (HBV) infections are a global public health issue. HBV covalently closed circular DNA (cccDNA), the template for the transcription of viral RNAs, is a key factor in the HBV replication cycle.
Xiaodong Zhang, Yufei Wang, Guang Yang
doaj   +1 more source

Application of anti-HBc quantitative examination in clinical management of chronic hepatitis B virus infection [PDF]

open access: yesJichu yixue yu linchuang, 2022
The quantification of hepatitis B virus(HBV) core antibody (anti-HBc) is related to host immunity and can be detected in the serum of patients with current or past infections.
DU Xin-yi, MAO Xiao-rong, LI Jun-feng
doaj   +1 more source

Proteomic Analysis of Nuclear Hepatitis B Virus Relaxed Circular DNA-Associated Proteins Identifies UV-Damaged DNA Binding Protein as a Host Factor Involved in Covalently Closed Circular DNA Formation [PDF]

open access: yes, 2022
Hepatitis B virus (HBV) utilizes host DNA repair mechanisms to convert viral relaxed circular DNA (rcDNA) into a persistent viral genome, the covalently closed circular DNA (cccDNA).
Yu, Xiaoyang   +6 more
core   +1 more source

High-sensitivity HBV DNA test for the diagnosis of occult HBV infection: commonly used but not reliable

open access: yesFrontiers in Cellular and Infection Microbiology, 2023
Occult hepatitis B virus (HBV) infection (OBI) is a condition in which replication-competent viral DNA is detected in the liver (with detectable or undetectable HBV DNA in serum) of individual testing negative for HBV surface antigen (HBsAg).
Chengwei Wang   +4 more
doaj   +1 more source

Approaches to quantifying hepatitis B virus covalently closed circular DNA [PDF]

open access: yesClinical and Molecular Hepatology, 2022
Chronic hepatitis B is a major cause of liver disease worldwide and is currently incurable. Hepatitis B virus (HBV) covalently closed circular (ccc) DNA is a key form of the virus responsible for its persistence and is the transcriptional template for ...
Henrik Zhang, Thomas Tu
doaj   +1 more source

THE ROLE OF DNA-METHYLTRANSFERASES IN THE LIFE CYCLE OF HEPATITIS B VIRUS AND PATHOGENESIS OF CHRONIC HEPATITIS B

open access: yesВопросы вирусологии, 2018
Chronic hepatitis B is caused by a persistent form of hepatitis B virus, covalently closed circular DNA (cccDNA). Stability of cccDNA is associated with intracellular localization of cccDNA and formation of minichromosome, regulated by epigenetic ...
D. S. Kostyushev   +6 more
doaj   +1 more source

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