antigen

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Related to HBeAg: anti-HBe, HBeAb, HBcAg
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  • noun

Words related to antigen

any substance (as a toxin or enzyme) that stimulates an immune response in the body (especially the production of antibodies)

References in periodicals archive ?
Hepatitis B virus is a partly double-stranded DNA virus with several serological markers: HBsAg and anti-HBs, HBeAg and anti-HBe, and anti-HBcIgM and IgG (Trepo et al.
Though the exact numbers of women who were tested for Rubella IgM and HbeAg are not known, but ATSJF members put it at 500.
HBeAg status and presence of detectable HBV DNA also showed seasonal variation.
In up to one-third of patients these flares of disease activity occur without the reappearance of HBeAg.
A significant and sustained reduction in HBV viraemia under any hepatitis B therapy is associated with histological improvement, HBeAg seroconversion and lower risk for selection of drug resistance [19-21].
Further testing for HBeAg, anti-HBe, antibody to hepatitis B virus core antigen (anti-HBc), and immunoglobulin M to HBc would have been performed routinely to determine the need for HBIg and confirm carrier status.
Moreover, the patient achieved neither HBeAg seroconversion to anti-HBe nor normalization of ALT during the entire period of treatment, except for month 12, when her ALT concentration decreased to 33 IU/L (the upper limit of normal was 35 IU/L).
Specimens with low HBsAg and HBeAg index values were not retested for confirmation owing to insufficient specimen volumes.
Age at HBV infection determines the risk of chronicity of disease, with the highest rates developing in perinatally acquired HBV from mothers who are HBeAg positive (90%).
Also, the levels of HBeAg dropped by 98% in the treatment group, which was a significantly greater decrease than the 60% drop observed in the control group; the latter was likely the result of natural viral clearance, he noted.
Test for liver functions, serological tests for HBsAg (Ranbaxy Diagnostics, England), anti-HBe (General biological, Taiwan), HBeAg (General biological, Taiwan), Anti-HbcIgG (Radim diagnostic, Rome, Italy), HBV DNA and HBV viral load were assessed at base line for inclusion of patients.
In those with chronic infection, an initial immune tolerant phase is characterised by the presence of HBeAg, high HBV DNA levels while transaminase levels are normal.
announced today that the Bureau of Food and Drugs (BFAD) approved Clevudine (generic name) for the inhibition of virus replication in chronic hepatitis B patients (HbeAg positive or HbeAg negative) with evidence of active viral replication and elevations in serum aminotransferases (ALT or AST).
Interferon trials has been shown to be effective against HBV, but was effective in achieving HBeAg seroconversion only in about 40% of the patients, and severe side-effects were also noted (Niederau et al.