نتایج جستجو برای: all animals were seronegative
تعداد نتایج: 4498294 فیلتر نتایج به سال:
BACKGROUND Frequent exposure of Grenadian dogs to Rhipicephalus sanguineus results in Anaplasma platys, and Ehrlichia canis seroreactivity. During elective surgeries, substantial intraoperative hemorrhage occurs in some seroreactive dogs. OBJECTIVES To assess hemostatic parameters and bleeding tendencies as well as prevalence of PCR positivity in apparently healthy A. platys and E. canis sero...
Toxoplasma gondii is a ubiquitous zoonotic parasite with an obligatory intracellular lifestyle. It relies on specialized set of cytoskeletal and secretory organelles for host cell invasion. When infecting its felid definitive host, T. undergoes sexual reproduction in the intestinal epithelium, producing oocysts that are excreted feces sporulate environment. In other hosts and/or tissues, multip...
Clinical disease phenotypes with underlying information of molecular and biological signatures for the same, is a prerequisite for improving medical care and developing more effective, stratified management strategies. This commentary reviews the research carried out by Cao et al. to unravel biological networks associated with different clinical categories of asthma. It finally comments on the ...
the present study aimed at exploring cognitions of iranian english teachers within the context of english for academic purposes (eap). to this end, the cognitions of two groups of eap teachers with respect to their pedagogical content knowledge (pck) and their sense of professional identity (pi) were probed. two language teachers and two content instructors who had at least five years of eap te...
In this study we evaluated a reverse transcriptase polymerase chain reaction (RT-PCR) technique for detecting lentiviral infection in milk or mammary secretions from small ruminants. Initial observations on seven goats infected with cloned caprine arthritis-encephalitis virus (CAEV) showed that RT-PCR on milk cells is as reliable as coculture for detecting viral infection, and is quicker and si...
A longitudinal study was performed in a Swedish dairy herd where Neospora caninum had been isolated from a stillborn calf. Starting in autumn 1994, blood samples from all female animals in the herd were collected once yearly until 1999. The sera were analysed for presence of IgG1 antibodies to N. caninum by the iscom ELISA, and by an avidity ELISA to establish the timing of infection. In additi...
Background and purpose: Deficits of retrospective memory (RetM) and prospective memory (ProM), which are two primary components of episodic memory, have been reported in prior studies in HIV-infected individuals. The present study aimed to further elucidate the characteristics of prospective and retrospective memory complaints in HIV-infected individuals. Materials and Methods: We recruited 50...
translation studies have become an accepted academic subject and books, journals and doctoral dissertations appear faster than one can read them all (bassnet and lefevere, 1990). but this field also brought with itself so many other issues which needed to be investigated more, in the heart of which, issues like ideology, ethics, culture, bilingualism and multilingualism. it is reported that ove...
Toxoplasmosis is one of the most widespread pathogen in the world, presenting high importance in production animals, like ostriches (Struthio camelus), and to human beings. This study was aimed to determine the prevalence of Toxoplasma gondii in ostriches from a Brazilian slaughterhouse. Serum samples of 344 ostriches slaughtered in a Brazilian slaughterhouse were researched for T. gondii antib...
Few studies have explored hospitalization outcome differences between patients who are seropositive for human immunodeficiency virus (HIV) compared to HIV-seronegative patients with acute myocardial infarctions (AMIs). The aim of this study was to explore in-hospital AMI mortality risk in seropositive and seronegative patients. A secondary analysis of the Nationwide Inpatient Sample from 1997 t...
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