2016
DOI: 10.1016/j.jcv.2016.05.009
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Characterization of the 3rd International Standard for hepatitis B virus surface antigen (HBsAg)

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Cited by 6 publications
(5 citation statements)
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“…The correlation between the quantitative results of the Enzygnost and Architect assays was even better when a well-characterised internal reference plasma, ID1, with a biochemically determined amount of HBsAg protein was used for calibration (r=0.930; p=0.0001; figure 1B). 27 …”
Section: Resultsmentioning
confidence: 99%
“…The correlation between the quantitative results of the Enzygnost and Architect assays was even better when a well-characterised internal reference plasma, ID1, with a biochemically determined amount of HBsAg protein was used for calibration (r=0.930; p=0.0001; figure 1B). 27 …”
Section: Resultsmentioning
confidence: 99%
“…Similar to our observations, the WHO standard contains only trace amounts of L-HBsAg and M-HBsAg. 26 , 27 For the development of these HBsAg isoform assays, we took the approach of measuring signal for each marker separately as each isoform-specific detection antibody may have different sensitivities and is a qualitative result. Therefore, the absolute levels of one isoform may not truly correlate 1:1 to the levels of another isoform in S/N units of each individual assay.…”
Section: Discussionmentioning
confidence: 99%
“…Die Sequenzierung der HBV-DNA ergab, dass es sich um ein Gemisch aus mindestens 2 HBV-Stämmen mit dem für Vietnam typischen Subgenotyp B4, jedoch genauer um 2 HBsAg-Subtypen (ayw1 und adw2) handelte [ 30 ]. Das HBsAg war produktionsbedingt zum Teil aggregiert, was eine etwas verminderte Reaktivität in diagnostischen Tests bewirkte, und es enthielt nur sehr geringe Mengen an PräS-Domänen der HBV-Oberflächenproteine [ 30 ]. Unter Federführung des NIBSC, des PEI und des NRZ konnten in einem internationalen Ringversuch die Reaktivität, Stabilität und damit die Eignung der untersuchten Charge als neuer 3.…”
Section: Charakterisierung Und Validierung Des 3 Internationalen Who-...unclassified