نتایج جستجو برای: diagnostic serological assays
تعداد نتایج: 415011 فیلتر نتایج به سال:
The persistent worldwide prevalence of human brucellosis causes serious public health concerns and economic loss to communities. The multisystem involvement and the protean and unusual clinical presentations of the disease pose significant diagnostic challenges. The clinical features are non-specific and can overlap with a wide spectrum of other infectious and non-infectious diseases, leading t...
Equine rhinitis A virus (ERAV) is a significant pathogen of horses and is also closely related to Foot-and-mouth disease virus (FMDV). Despite these facts, knowledge of the prevalence and importance of ERAV infections remains limited, largely due to the absence of a simple, robust diagnostic assay. In this study, we compared the antigenicities of recombinant full-length and fragmented ERAV caps...
Enzyme-linked immunosorbent assays (ELISAs) have been developed to diagnose Helicobacter pylori infection. However, the methods are not standardized. We therefore prospectively evaluated the sensitivities and specificities of ELISAs developed in the United States and the United Kingdom in a study population comprising 41 consecutive symptomatic outpatients and 35 volunteers. At endoscopy, multi...
To understand the etiology of moderate-to-severe diarrhea among children in high mortality areas of sub-Saharan Africa and South Asia, we performed a comprehensive case/control study of children aged <5 years at 7 sites. Each site employed an identical case/control study design and each utilized a uniform comprehensive set of microbiological assays to identify the likely bacterial, viral and pr...
AIMS--To compare the sensitivity, specificity, and practicality of recombinant proteins in serological tests for the detection of human parvovirus B19 IgG and IgM. METHODS--Indirect enzyme linked immunosorbent assays using B19 structural proteins expressed in Escherichia coli were developed for the detection of B19 specific IgG and IgM (rELISA-G and rELISA-M). Cells infected with baculovirus ex...
Herpes simplex virus 1 (HSV-1) and varicella-zoster virus (VZV) cause serious central nervous system (CNS) diseases that are diagnosed with PCR using samples of cerebrospinal fluid (CSF) and, during later stages of such infections, with assays of intrathecal IgG antibody production. However, serological diagnoses have been hampered by cross-reactions between HSV-1 and VZV IgG antibodies and are...
background aggregatibacter actinomycetemcomitans and tannerella forsythensis are two major pathogens in destructive periodontal disease in humans. the detection of these bacteria is needed for diagnosis and management of the mentioned diseases. objectives we aimed to develop and compare improved multiplex conventional and sybr green real time pcr assays for a specific diagnosis of the organisms...
SARS-CoV-2 virus was first detected in late 2019 and circulated globally, causing COVID-19, which is characterised by sub-clinical to severe disease humans. Here, we investigate the serological antibody responses infection during acute convalescent using a cohort of (i) COVID-19 patients admitted hospital, (ii) healthy individuals who had experienced ‘COVID-19 like-illness’, (iii) prior emergen...
BACKGROUND Due to the raised public awareness of Lyme Borreliosis (LB), its increased incidence and the increased availability of serological tests, the demand for diagnostic testing on LB has increased. This may affect the diagnostic behaviour of general practitioners (GPs). Aim of our study was to describe GPs' diagnostic behaviour when suspecting LB. METHODS In this descriptive study from ...
Four-antigen mixture containing v-cyclin for serological screening of human herpesvirus 8 infection.
Improved diagnostic reagents and testing are currently needed for the serological detection of human herpesvirus 8 (HHV-8) infections. We evaluated the luciferase immunoprecipitation systems (LIPS) for profiling antibody responses to a panel of HHV-8 proteins for diagnosis of Kaposi sarcoma (KS)-infected individuals. Using a pilot serum set, LIPS detected robust antibody responses to several kn...
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