Discussion: Other common escape mutations, including G145R, D144A, P142S, Q129H, I/T126N/A and M133L, were not found in our OBI isolates.
[The panels of serums, containing various subtypes and mutant forms of HBsAg, to evaluate the diagnostics sensitivity of kits oa reagents detecting HBsAg].
Abstract: The testing of reagents kits to detect HBsAg using twi panels containing recombinant and native variants of HBsAg, demonstrated that these kits enable to detect various sero-vatriants of HBsAg (ayw2, adw2, ayw3varA, ayw3varB, adrq-) in concentration 0.1-0.01 IU/l and the so called elusive mutant forms of HBsAg of recombinant and native origin (G145R, Q129R, Q129H, Q129L, T143K, T126N, T126S, D144A, M133L, K141E and P142S).
The detection of HBsAg mutants expressed in vitro using two different quantitative HBsAg assays.
Abstract: However, HBsAg mutation T123A was under quantified by the Architect, whereas HBsAg mutations P142L, P142S and G145K yielded lower results in the Elecsys system.
Characteristics of occult hepatitis B virus infection in the Solomon Islands.
PMID: 21455562
2011
International journal of molecular medicine
Abstract: Most of the HBV-DNA-positive individuals were infected with wild-type HBV, and only 3 strains demonstrated specific amino acid substitutions (P121X, T123N, C138S, P142S and D144E) in the alpha determinant region.
Ultra-deep pyrosequencing of hepatitis B virus quasispecies from nucleoside and nucleotide reverse-transcriptase inhibitor (NRTI)-treated patients and NRTI-naive patients.
PMID: 19301976
2009
The Journal of infectious diseases
Method: Mutations at 10 S envelope protein positions were considered possible vaccine-escape mutations, including sP120T, sI/T126N/A, sQ129H, sM133L, sK141E, sP142S, sD144A, sG145R, sF158Y, and s PMID: 11264736
2001
Journal of viral hepatitis
Abstract: One child had a double mutation (P142S and G145R) and the other a G145A substitution.
Abstract: Three of seven anti-HBc positive Chinese blood donors had a T131I substitution, whilst the interferon-treated patient had a treble amino acid substitution (P142S, G145R and N146D).
Prevalence of naturally occurring surface gene variants of hepatitis B virus in nonimmunized surface antigen-negative Chinese carriers.
1Abstract: These changes involved 11 positions inside and 5 outside of the historical first and second loops of the ""a"" determinant, and included the following: Q101K, T115A, K122N, T123A, T126N, Q129N, G130R, T131I, M133T, F134L, C138Y, K141E, P142S, G145R, N146S, and C147F/R."
HBV mutation literature information.
PMID: 
2013
PloS one
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