نتایج جستجو برای: antibody titer
تعداد نتایج: 173691 فیلتر نتایج به سال:
Introduction: This study examined the effect of adding selenium to levothyroxine on controlling primary overt hypothyroidism and reducing the serum level of thyroid peroxidase antibody. Materials and Methods: This study was a double-blind, randomized clinical trial on individuals with primary autoimmune hypothyroidism. The patients were randomly divided into two intervention (I) and control (C...
Introduction: Vaccination with the major surface antigen of hepatitis B virus (HBsAg) induces anti-HBs antibody production and level of 10 IU/L is considered protective. It has been shown that the level of anti-HBs antibody does wane after vaccination. The aim of this study was to evaluate the persistence of anti-HBs antibodies in healthy Iranian children 10 years after primary vaccination. Me...
Four commercially available enzyme immunoassay (EIA) kits were evaluated in comparison with the plaque reduction neutralization (PRN) test for detection of measles virus antibody. The EIA kits, Enzygnost (Behring), Diamedix, Vidas (bioMerieux Vitek), and Measlestat (Biowhittaker), were assessed with two PRN cutoff titers: a PRN titer of 8, the lowest detectable antibody level by the PRN test un...
We evaluated the seroprevalence of measles antibody and response to measles reimmunization in 590 previously vaccinated adolescents and young adults; 263 were seronegative. To differentiate between primary and secondary vaccine failure, anti-measles IgM and IgG titres were assessed again 2-4 weeks after revaccination in 144 (105 seronegative, 39 seropositive) individuals: 75 seronegative partic...
The benefit of annually repeated influenza vaccination on antibody formation is still under debate. In this study the effect of annually repeated influenza vaccination on haemagglutination inhibiting (HI) antibody formation in the elderly is investigated. Between 1990 and 1993 healthy young and elderly, both selected by the SENIEUR protocol, were vaccinated consecutively with commercially avail...
response to the 0 antigen of Escherichia coli has been well characterized, little information is available on the immune response to K anigen. Experimental hematogenous pyelonephritis was produced with Escherichia coli 06 K13 HI and the serum and local (intrarenal) antibody response to 0 and K antigens was determined with the enzyme-linked immunosorbent assay. Both local and serum antibody resp...
BACKGROUND Measurement of postimmunization antibody response to pneumococcal capsular polysaccharide (caps-PS) is the standard method to identify deficiency of antipolysaccharide antibody production. However, no standardized criteria have been defined for classification of patients into responders or nonresponders to caps-PS. METHODS We vaccinated 37 healthy children and 39 healthy adults wit...
Background: Rheumatoid arthritis (RA) is one of the most frequent autoimmune diseases in the world which affects about 1% of the worldwide population. Measurement of the Anti-CCP1 titer in these patients is one of the new tests that is available in our country. It has been shown to be more specific than Rheumatoid Factor (RF) in the diagnosis of RA (97%) in multiple studies. This test becom...
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