## Abstract Hepatitis B e antigen (HBeAg) and its antibody (anti‐HBe) were evaluated using a sensitive radioimmunoassay (RIA) in weekly serum samples obtained from nine chimpanzees experimentally infected with hepatitis B virus (HBV). In two chimpanzees with HBV infection with detectable hepatitis
Prevalence of hepatitis B e antigen and its antibody as detected by radioimmunoassays
✍ Scribed by Isa K. Mushahwar; Lacy R. Overby; G. Frosner; Friedrich Deinhardt; Chung-M. Ling
- Publisher
- John Wiley and Sons
- Year
- 1978
- Tongue
- English
- Weight
- 621 KB
- Volume
- 2
- Category
- Article
- ISSN
- 0146-6615
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
A solid‐phase radioimmunoassay (RIA) for the detection of hepatitis B e antigen (HBeAg) and antibody (anti‐HBe) was developed. The RIA was approximately 1,000‐fold more sensitive than rheophoresis for HBeAg, and approximately 6,000‐fold more sensitive than rheophoresis for anti‐HBe. Generally, less than one‐fifth of hepatitis B antigen (HBsAg)‐positive sera from blood donors were positive for either HBeAg or anti‐HBe by rheophoresis; in contrast, more than 90% of the samples were positive by the RIA method. The ratio of HBeAg to anti‐HBe among HBsAg carriers varied in different geographic localities. Also, the presence of HBeAg correlated directly with the titer of HBsAg and the presence of Dane core particles. Anti‐HBe was associated with lower titers of serum HBsAg.
📜 SIMILAR VOLUMES
A new commercially available radioimmunoassay (RIA) (Abbott-HBem) was used for determination of hepatitis B e-antigen (HBeAg) and its antibody (anti-HBe). Serial serum samples from 20 transiently HBsAg-positive patients with acute hepatitis were tested. In nearly all patients HBeAg could be shown fo
## Abstract HBsAg and anti‐HBs can be detected by double‐antibody radioimmunoassay in a reliable routine overnight assay of sensitivity approaching that of solidphase immunoradiometric assay. The test requires careful standardisation and regular preparation of I^125^‐HBsAg of appropriate quality, b
## Abstract Radioimmunoassay methods were used to determine both the hepatitis B virus (HBV) subtype and hepatitis B e antigen (HBeAg) and antibody (anti‐HBe) status of a group of hepatitis B surface antigen (HBsAg)‐positive blood donors. The study involved sera containing HBV of the three major oc
## Abstract A solid‐phase radioimmunoassay (RIA) for IgM anti‐HBc is described. The assay (anti‐m̈ RIA) is based on the adsorption of IgM to a tube coated with sheep antibody to the human IgM m̈‐chain. The adsorbed immunoglobulin is assayed for anti‐HBc activity. Positive reactions in the test are
## Abstract Enzyme immunoassay (EIA) and radioimmunoassay (RIA) for the detection of antibody to hepatitis B core antigen (anti‐HBc) were compared using serum specimens from Alaska Natives screened during a hepatitis B control program that were initially positive by EIA for only anti‐HBc. Of 36 spe