منابع مشابه
Occult hepatitis B virus infection: clearance or disguise?
Occult hepatitis B virus (HBV) infection is defined as presence of HBV DNA in the liver regardless of serum HBV DNA detectability in HBsAg-negative patients. Occult HBV infection is not uncommon in Korea because the prevalence of occult HBV infection depends on the HBsAg carrier rate. The underlying mechanisms for occult HBV infection is not fully understood yet, but both viral and host factors...
متن کاملDynamics of hepatitis B virus clearance in chimpanzees.
Mathematical modeling was performed to test the extent to which cytopathic and noncytopathic T cell effector functions contribute to resolution of hepatitis B virus (HBV) infection in three acutely infected chimpanzees. Simulations based exclusively on cytopathic functions show a poor fit to the data and would require the destruction and regeneration of approximately 11 livers for clearance to ...
متن کاملImmune effectors required for hepatitis B virus clearance.
To better define the mechanism(s) likely responsible for viral clearance during hepatitis B virus (HBV) infection, viral clearance was studied in a panel of immunodeficient mouse strains that were hydrodynamically transfected with a plasmid containing a replication-competent copy of the HBV genome. Neither B cells nor perforin were required to clear the viral DNA transcriptional template from t...
متن کاملThe Absence of Hepatitis C Virus Infection Among Patients with Hepatitis B virus in 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...
متن کاملPrevalence of Hepatitis B virus, Hepatitis C virus and human immunodeficiency virus infections among patients candidate for orthopedic trauma surgeries
Background: Infectious diseases are major public health problems, among which blood-borne ones are the most important infections. Patients who undergo orthopedic surgery are at higher risk of transmitting infectious diseases from and to others, due to repeated blood examinations and injection, drains secretion and receiving blood products. Accordingly, in this study we determined prevalence of ...
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ژورنال
عنوان ژورنال: Hepatology
سال: 2009
ISSN: 0270-9139
DOI: 10.1002/hep.22874