antigen

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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 ?
The latter is defined by persistence of HBsAg and failure to develop neutralising surface antibodies (HBsAb) more than 6 months after infection (Fig.
All HIV-infected pregnant women must be tested for HBsAg and may require ART.
The objectives of HBV screening should be to ensure that HBsAg carriers undergo routine HCC surveillance when appropriate, to offer treatment to those with active underlying liver disease, and to ensure vaccination of susceptible household contacts.
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.
Table 4 shows the univariate, unadjusted ORs for HBsAg and HCV.
HBsAg remains detectable beyond six months after the initial infection, IgG anti-HBc continues to be detectable, and anti-HBs is either undetectable or detectable at low levels.
In addition, the test is able to detect HBsAg mutants.
A total of 164 subjects (106 HBsAg positive and 58 HBsAg negative) had R249S serum concentrations > 70 copies/mL and were considered positive for R249S (Table 2).
In our experiments, HBsAg and its monoclonal anti-HBs antibodies were used as a model system.
If no HBsAg test result is available upon admission to Labor and Delivery test as soon as possible.
4) was physically coated on the microtitration wells (50 /,L/well), we added 50 /[micro]L HBsAg standard solutions or serum samples to each well.
1) It is also possible that non-responders are persons who are HBsAg positive.
One group will receive three doses of Dynavax's HBV vaccine, administered at a dose of 20 micrograms HBsAg plus 3 milligrams of ISS, by intramuscular injection at zero, two months and six months.
A recent multicenter, prospective cohort study classified 5293 men who had sex with men according to their HIV-1 antibody and hepatitis 13 surface antigen status (HBsAg) to examine liver-related mortality, which was higher in men with HIV-1 and HBsAg than in those with only HIV-1 infection or only HBsAg (P < .
HBsAg is positive in both acute and chronic infection.