HBsAg – Hepatitis B Surface antigen
Transformation of HBsAg (hepatitis B surface antigen) gene into tomato mediated by Agrobacterium tumefaciens
... Agrobacterium; HBsAg gene; tomato; transformation With the development of gene engineering tech- nology, the study of using gene modified plants to produce vaccines and medications has become a hot ...tis B ...
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Hepatitis B Immunization in Infants of Hepatitis B Surface Antigen-Negative Mothers
... AAl American Academy of Pediatrics; HBV, hepatitis B virus; HBsAg, hepatitis B surface antigen; anti-HBs, antibody to HBsAg.. The American Academy of Pediatrics (AAP) Com-.[r] ...
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CpG Oligodeoxynucleotides with Hepatitis B Surface Antigen (HBsAg) for Vaccination in HBsAg-Transgenic Mice
... and antigen-specific immune responses, due in part to the enhanced production of Th1-type ...recombinant hepatitis B surface antigen (HBsAg) to induce Th1 responses in mice that ...
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Prevalence of hepatitis B surface antigen (HBsAg) positivity and its associated factors in Rwanda
... of hepatitis B virus (HBV) infection in the general population in Rwanda is not well ...HBV surface antigen (HBsAg) positivity and associated risk factors among people aged 25 years and ...
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Prevalence of Hepatitis B Surface Antigen (HBsAg) and seropositivity Among Jaundice Children in Katihar
... namely HBsAg, HBeAg and HBvAg, which stimulate the production of corresponding markers of HBV ...infection. HBsAg also known as Australia antigen is first virological marker detected in serum, ...
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Evaluation of Two New Automated Assays for Hepatitis B Virus Surface Antigen (HBsAg) Detection: IMMULITE HBsAg and IMMULITE 2000 HBsAg
... of hepatitis B virus (HBV) surface antigen (HBsAg) in serum and plasma samples that are performed on analyzers that permit a high-speed throughput, random access, and primary tube ...
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Priming Hepatitis B Surface (HBsAg)- and Core Antigen (HBcAg)-Specific Immune Responses by Chimeric, HBcAg with a HBsAg ‘a’ Determinant
... native HBsAg, HBcAg and chimeric HBc/sAg. (A), pCI/S; (B), pCI/C; (C), pCI/C- S 111-149 ; (D), pCI/S 111-149 ...of HBsAg from pCI/S, and HBcAg from ...chimeric HBsAg/HBcAg protein was ...
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Sensitivities of Four New Commercial Hepatitis B Virus Surface Antigen (HBsAg) Assays in Detection of HBsAg Mutant Forms
... in hepatitis B virus surface antigen (HBsAg) involving amino acid substitution within the immunodominant “a” determinant may affect the performance of commercial HBsAg ...four ...
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Surface Antigen (HBsAg) Negative Hepatitis B virus in Bangladesh: Warrants the Screening for Blood Donors
... positivity is extremely high even among children below the age of 5 years (16.3%) & increased to 30% among family members. 51 In this dangerous situation, almost nothing is known about the real extent of problem with ...
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Comparison between Elecsys HBsAg II and Architect HBsAg QT Assays for Quantification of Hepatitis B Surface Antigen among Patients Coinfected with HIV and Hepatitis B Virus
... MATERIALS AND METHODS Study population and samples. A total of 126 treatment-experienced, HIV-HBV-coinfected patients initiating treatment with 300 mg TDF per day as part of their combined antiretroviral therapy were ...
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Prediction of conformational changes by single mutation in the hepatitis B virus surface antigen (HBsAg) identified in HBsAg negative blood donors
... three HBsAg variants (T123A, M133L, and T143M) found in Indone- sian blood donor samples with undetectable HBsAg revealed that T143M substitution altered the antigeni- city most significantly compared to ...
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Hepatitis B Virus Surface Antigen (HBsAg)-Positive and HBsAg-Negative Hepatitis B Virus Infection among Mother-Teenager Pairs 13 Years after Neonatal Hepatitis B Virus Vaccination
... Determining HBsAg status has been routinely undertaken for the mothers during a prenatal visit or before delivery through serological methods, which target the major “a” determinant of ...occult hepatitis ...
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Electronic Health Informatics Data To Describe Clearance Dynamics of Hepatitis B Surface Antigen (HBsAg) and e Antigen (HBeAg) in Chronic Hepatitis B Virus Infection
... Prospective studies of large HBV cohorts are likely to be needed to identify individuals on a clearance trajectory; enhanced surveillance of these individuals is a promising future route to understanding the ...
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Hepatitis B Core IgM antibody (anti HBcIgM) among hepatitis B Surface antigen (HBsAg) negative blood donors in Nigeria
... The kit, reagent and sera were brought to room tempera- ture before starting the assay. The wells of each of the microplate were identified for controls and samples. For each of the assays, there were two negative ...
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Amino Acid Substitutions at Positions 122 and 145 of Hepatitis B Virus Surface Antigen (HBsAg) Determine the Antigenicity and Immunogenicity of HBsAg and Influence In Vivo HBsAg Clearance
... of HBsAg MHR and thereby impair the binding of anti-HBs antibodies without reducing the viability of the ...of HBsAg and studied their influence on HBsAg production, se- cretion, and recognition by ...
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Decreased antigenicity profiles of immune escaped and drug resistant hepatitis B surface antigen (HBsAg) double mutants
... whether HBsAg mutants could express properly, 293 T cells were transfected transiently with each HBsAg mutant ...wild-type HBsAg clone as the positive control and a mock DNA vector as the negative ...
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Prevalence of Hepatitis B surface antigen (HBsAg) among visitors of Shashemene General Hospital voluntary counseling and testing center
... of HBsAg positivity among study participants with history of known risk factors, we were not able to report the adjusted effects of these factors on the prevalence of ...
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The prevalence of Hepatitis B Surface Antigen (HBsAg) among pregnant women admitted to one public Hospital in Damascus, Syria
... According to the results of this study, we have initial estimation to provide precise amount of Hepatitis B Immune Globulin (HBIG) for infected pregnant women. In spite of its higher cost, the evident ...
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High hepatitis B surface antigen levels predict insignificant fibrosis in hepatitis B e antigen positive chronic hepatitis B
... high HBsAg levels are not always favorable in CHB, as shown by recent studies demonstrating high HBsAg levels to be associated with the development of HCC ...and HBsAg levels by serial HBsAg ...
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HEPATITIS B SURFACE ANTIGEN ASSAYS: OPERATIONAL CHARACTERISTICS
... 3.2 Quality assurance All laboratories carrying out HBsAg tests should have a well-functioning quality assurance programme. It is most important that quality assurance procedures are stringently complied with so ...
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