نتایج جستجو برای: seropositivity
تعداد نتایج: 4344 فیلتر نتایج به سال:
OBJECTIVE We hypothesized that burden of infection could be associated with chronic low-grade inflammation, resulting in insulin resistance. We aimed to study the effect of exposure to four infections on insulin sensitivity in apparently healthy middle-aged men (n = 124). RESEARCH DESIGN AND METHODS By inclusion criteria, all subjects were hepatitis C virus antibody seronegative. Each study s...
Natural killer (NK) cells are innate lymphoid cells involved in the defense against virus-infected cells and tumor cells. NK cell phenotype and function is affected with age and cytomegalovirus (CMV) latent infection. Aging affects the frequency and phenotype of NK cells, and CMV infection also contributes to these alterations. Thus, a reduction of CD56bright NK cell subpopulation associated wi...
INTRODUCTION El Salvador is regarded as a highly endemic country for Chagas disease, as evidenced by the relatively high estimated positive serology rate for Trypanosoma cruzi among blood donors. This study aimed to identify the factors contributing to this high rate by analyzing changes in T. cruzi seroprevalence. METHODOLOGY Secondary data were collected from 31 blood banks operated by the ...
BACKGROUND In highly endemic countries, transmission and sub-clinical infection of leprosy are likely and the disease manifests itself in individuals without any known close contact with a leprosy patient. Health workers are social contacts belonging to the same network (the Health System) and some of them share the same social environment (nursing assistants) as patients with known patients an...
The aim of this study was to initiate a survey of human autoantibody responses to a panel of select colorectal tumor-associated antigens identified by previous serological analysis of a cDNA expression library and to subsequently identify multiple serological biomarkers for the detection of colorectal cancer. For screening of autoantibodies against colorectal tumor-associated antigens, sera fro...
Although CMV infections are seen worldwide, it is widespread in poor hygenic and economic populations. They observed futh asymptomatic primary reactivations of latent virus. In the study, IgG antibodies were detected by Elisa 362 children at 0-16 years age group whose complaints sore throat, fever fatigue. Sera taken from Ankara Univetsity Medical School, Department Pediatrics tested University...
OBJECTIVE Helicobacter pylori is a gram negative spiral bacterium that is clearly associated with a variety of gastrointestinal pathologies. A number of non-gastrointestinal diseases have also been associated with H. pylori. We investigated the prevalence of H. pylori seropositivity as part of a larger serologic survey in a group of 466 patients with systemic lupus erythematosus (SLE) and 466 c...
BACKGROUND Current consensus does not support the use of a universal booster of hepatitis B virus (HBV) vaccine because there is an anamnestic response in almost all children 15 years after universal infant HBV vaccination. We aimed to provide a booster strategy among adolescents as a result of their changes in lifestyle and sexual activity. METHODS This study comprised a series of cross-sect...
Rift Valley fever virus (RVFV) is a zoonotic arbovirus affecting livestock and people. This study was conducted in western Kenya where RVFV outbreaks have not previously been reported. The aims were to document the seroprevalence and risk factors for RVFV antibodies in a community-based sample from western Kenya and compare this with slaughterhouse workers in the same region who are considered ...
We previously observed 80.7% seropositivity and a significant interaction between gender and hepatitis A virus (HAV) vaccine type (Havrix vs. Epaxal) on the seropositivity approximately 11 months after single-dose HAV vaccinations in Korean young adults. Our objective was to evaluate seropositivity approximately 2 years after a single-dose HAV vaccination and the influence of demographic charac...
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