Changes of serum pre-S1 and pre-S2 antigens in chronic hepatitis B by interferon therapy.
نویسندگان
چکیده
منابع مشابه
Expression of S and pre s2 Hepatitis B Surface Antigens in Mammalian Cos-7 Cell Line
Hepatitis B virus (HBV) is a serious global health problem. The development of a safe and effective vaccinewould help infection prevention. Previous hepatitis B vaccine production involved the isolation of the noninfectious particle from chronic HBV carriers. DNA recombinant technology has been used for vaccineproduction without having been contaminated with blood-born infectious ag...
متن کاملIntrahepatic expression of pre-S1 and pre-S2 antigens in chronic hepatitis B virus infection in relation to hepatitis B virus replication and hepatitis delta virus superinfection.
Hepatocyte expression of pre-S1 and pre-S2 in relation to hepatitis B virus replication (hepatitis B virus-DNA in serum and HBcAg in the liver), histological activity and hepatitis delta virus superinfection was studied by indirect immunofluorescence on frozen sections of liver specimens from 68 patients with chronic hepatitis B virus infection. All 44 patients with chronic type B hepatitis had...
متن کاملPre-S1 antigens and antibodies early in the course of acute hepatitis B virus infection.
The presence of the two "large" surface proteins of hepatitis B virus (HBV), P39 and GP42 of pre-S1-hepatitis B surface antigen, was assayed in the serum of an experimentally infected chimpanzee by using antibodies to a pre-S1-specific fusion protein synthesized in Escherichia coli. The immune response to pre-S1-hepatitis B surface antigen was monitored by using the pre-S1 fusion protein as an ...
متن کاملInterferon therapy in chronic hepatitis B.
Chronic hepatitis B (CHB) results from the inability of the host's immune system to control viral replication. Interferon-α (IFN-α) therapy can convert CHB into inactive hepatitis B virus (HBV) infection in 20-30% of the treated patients. In spite of the low response rate, IFN-α therapy has the advantage of having a limited duration and being effective even after therapy, as demonstrated by a m...
متن کاملDetection of hepatitis B virus pre-S1 and pre-S2 determinants in paraffin wax embedded liver tissue: importance of reagents used.
The presence of pre-S polypeptides in paraffin wax embedded liver sections from the biopsy specimens of 15 hepatitis B surface antigen (HBsAg) seropositive patients (five with chronic persistent hepatitis (CPH), four with chronic active hepatitis (CAH), four with cirrhosis and two "healthy" HBsAg carriers) was investigated using monoclonal antibodies directed to distinct epitopes on pre-S1 (18/...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Kanzo
سال: 1990
ISSN: 0451-4203,1881-3593
DOI: 10.2957/kanzo.31.5