نتایج جستجو برای: anti hla antibody titer
تعداد نتایج: 517167 فیلتر نتایج به سال:
Background An overall response assay [OVA, based on a 23-valent pneumococcal polysaccharide vaccine (PPV23)] is widely used to screen for anti-pneumococcal antibodies. Given the heterogeneity of response from one polysaccharide (PS) to another, a World Health Organization-standardized serotype-specific enzyme-linked immunosorbent assay (SSA) is considered to be the only reliable method for test...
Background The duration of infantile hepatitis B vaccination-induced immunity is still unknown. We assessed antibody persistence and immunological memory to hepatitis B 18 years after vaccination during infancy in Iranian young adults at risk of hepatitis B virus infection due to behavioral or occupational exposures. Methods This study was conducted on 395 freshman students of with a history of...
Background and Aims: The aim of this study was application of gamma irradiated FMDV antigen for liquid phase blocking sandwich ELISA (B-ELISA) to quantify guinea pig anti FMDV type A87/IRN antibody. Methods: FMDV type A87/IRN was propagated to a titer of 107.5/ml TCID50 and then irradiated by gamma irradiator. The irradiated 146 S antigen was purified by sucrose gradient centrifugation after in...
Background: The ability of polyclonal antibodies to react with many epitopes of an antigen makes them valuable reagents in research and diagnosis. The aim of this study was purification of mouse IgG2a and production of polyclonal antibody against purified mouse IgG2a subclass. Materials and Methods: Mouse IgG2a was purified by ProA affinity. Verification method of the purified antibody was S...
background: triple-course vaccination against hepatitis b might sometimes fail to increase antibody titers or maintain it at sufficient levels. the aim of this study was to evaluate the rate of seroprotection in dental students after receiving recombinant hepatitis b vaccine. methods: anti-hbs levels of 124 dental students who had received triple-course hepatitis b vaccines (scheduled at mo...
One-hundred and thirty confirmed cases of severe acute respiratory syndrome (SARS) were recruited to evaluate their anti-SARS-coronavirus (CoV) antibody status and human leukocyte antigen (HLA) types in September 2006, 3 y after the SARS outbreaks in Taiwan. Western blot assay showed that 6.9% of participants still had anti-spike and anti-nucleocapside antibodies. A case-control study of the as...
Worldwide, viral hepatitis continues to be a cause of considerable morbidity and mortality. Mass immunization with a single dose of live attenuated HAV has been shown to significantly reduce disease burden in the community. This was a phase IV, 5-year follow up study carried out at 4 centers (Kolkata, Delhi, Mumbai and Chennai) across India. The subjects with antibody titer <20 mIU/mL at baseli...
We report a case of an anti-nuclear antibody (ANA)-negative patient with systemic lupus erythematosus (SLE) accompanied with anti-phospholipid antibody syndrome (APS) and lupus nephritis (LN). Histological examination of placenta obtained by an artificially-induced abortion revealed multiple thromboses in the placental villi. Histology of biopsied kidney tissue revealed minimal change with depo...
Determination of HLA antigens has an extensive application in paternity, Histocompatibility testing, and disease suseptibility identification. A vast arrey of different HLA antisera are required for HLA typing. Such antisera can be obtained from pregnant women, transfused patients, immunized anima...
background and aims: vaccine is available, but fetal infection with rubella virus is still a main cause of congenital birth defects and mental retardation in many countries. mass vaccination campaigns and expanded program of immunization (epi) have increased vaccine coverage in the world with a substantial impact on the reduction of rubella infections, such as congenital rubella syndrome (crs)....
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